ENGLISH
14.04.2021
Lazarus BTC Changer
Back in action with JS sniffers redesigned to steal crypto
Victor Okorokov
Lead Threat Intelligence analyst at Group-IB
In the last five years, JavaScript sniffers have grown into one of the most dangerous threats for e-commerce businesses. The simple nature of such attacks combined with the use of malicious JavaScript code for intercepting payment data attract more and more cybercriminals, and JS-sniffers became one of the most prominent sources of stolen bank cards on underground markets. However, in one recent campaign we saw a big step forward in attacks on e-commerce websites involving JS-sniffers.
In July 2020, Sansec published an article about the attacks on US and European online shops with the use of JavaScript sniffers (JS-sniffers). The researchers attributed the "clientToken=" campaign to the North Korean APT called Lazarus (aka Dark Seoul Gang, HIDDEN COBRA, Guardians of Peace, APT38, APT-C-26, Labyrinth Chollima, Zinc, Bluenoroff, Stardust Chollima).
The Group-IB Threat Intelligence team looked deeper into these campaigns and identified another campaign involving the same infrastructure. The threat actor went back to the old habit of stealing crypto using a never-before-seen tool. Lazarus attacked online stores which accept cryptocurrency payments through crypto skimmers: JS-sniffers modified for the purpose of stealing crypto currency. Some victims, identified by Sansec, in fact, didn't fell prey to the clientToken= campaign, but to a different, previously undocumented Lazarus campaign, codenamed BTC Changer by Group-IB researchers. Group-IB's TI&A team identified BTC addresses used by Lazarus and have analyzed the transactions. Group-IB found additional evidence of Lazarus involvement in the campaigns.
Group-IB researchers analyzed the newly discovered attacks, described the links with the clientToken= campaign, analyzed the transactions associated with the wallets controlled by the gang, and estimated Lazarus' profits from the use of crypto-stealing JS-sniffers at 0.89993859 BTC ($8,446.55 at the moment of the transaction and $52,611 as of April 9, 2021) and 4.384719 ETH, ($9,047 as of April 9, 2021).
In July 2020, Sansec published an article about the attacks on US and European online shops with the use of JavaScript sniffers (JS-sniffers). The researchers attributed the "clientToken=" campaign to the North Korean APT called Lazarus (aka Dark Seoul Gang, HIDDEN COBRA, Guardians of Peace, APT38, APT-C-26, Labyrinth Chollima, Zinc, Bluenoroff, Stardust Chollima).
The Group-IB Threat Intelligence team looked deeper into these campaigns and identified another campaign involving the same infrastructure. The threat actor went back to the old habit of stealing crypto using a never-before-seen tool. Lazarus attacked online stores which accept cryptocurrency payments through crypto skimmers: JS-sniffers modified for the purpose of stealing crypto currency. Some victims, identified by Sansec, in fact, didn't fell prey to the clientToken= campaign, but to a different, previously undocumented Lazarus campaign, codenamed BTC Changer by Group-IB researchers. Group-IB's TI&A team identified BTC addresses used by Lazarus and have analyzed the transactions. Group-IB found additional evidence of Lazarus involvement in the campaigns.
Group-IB researchers analyzed the newly discovered attacks, described the links with the clientToken= campaign, analyzed the transactions associated with the wallets controlled by the gang, and estimated Lazarus' profits from the use of crypto-stealing JS-sniffers at 0.89993859 BTC ($8,446.55 at the moment of the transaction and $52,611 as of April 9, 2021) and 4.384719 ETH, ($9,047 as of April 9, 2021).
Initial discovery
The clientToken= campaign conducted by Lazarus and identified by Sansec started in May 2019. During the campaign, the attackers used a list of compromised websites for hosting malicious JavaScript files to steal bank card information from European and US online shoppers:
- stefanoturco[.]com
- technokain[.]com
- darvishkhan[.]net
- areac-agr[.]com
- luxmodelagency[.]com
- signedbooksandcollectibles[.]com
The same compromised websites were also used as gates for receiving collected payment information from infected websites. Links to JavaScript files on compromised websites were injected into the source code of various online shops.
Group-IB researchers discovered that, in late February 2020, Lazarus started using a modified version of the malicious JavaScript script that was initially used during the clientToken= campaign all the while using the same infrastructure. The new version had the same names of functions, but bank card harvesting was replaced with cryptocurrency skimming and they started targeting companies who accepted payments in BTC. The new version of the malicious JavaScript, which Group-IB researchers named Lazarus BTC Changer, was designed to switch the destination payment address to the attackers' BTC address.
Group-IB researchers discovered that, in late February 2020, Lazarus started using a modified version of the malicious JavaScript script that was initially used during the clientToken= campaign all the while using the same infrastructure. The new version had the same names of functions, but bank card harvesting was replaced with cryptocurrency skimming and they started targeting companies who accepted payments in BTC. The new version of the malicious JavaScript, which Group-IB researchers named Lazarus BTC Changer, was designed to switch the destination payment address to the attackers' BTC address.
Fig. 1: Snippet of source code for Lazarus BTC Changer
To store malicious JavaScript files, the attackers used compromised the website luxmodelagency[.]com, just like with the clientToken= campaign. In some cases, they also used internal JavaScript files of the infected websites as storage for malicious JavaScript.
Analysis of Lazarus BTC Changer campaign
INFECTED WEBSITES
While analyzing Lazarus BTC Changer, we identified three compromised websites, two of which were listed in Sansec's article as victims of the clientToken= campaign: "Realchems" (https://realchems.com/) and "Wongs Jewellers" (https://www.wongsjewellers.co.uk/). In the case of Wongs Jewellers, we identified a sample of Lazarus BTC Changer on their website, but we did not find any evidence that the shop accepts cryptocurrency, so the attackers probably added Lazarus BTC Changer to the website by mistake. The third victim is an Italian luxury clothes shop, but malicious code was removed from the website at the moment of analysis.
While analyzing Lazarus BTC Changer, we identified three compromised websites, two of which were listed in Sansec's article as victims of the clientToken= campaign: "Realchems" (https://realchems.com/) and "Wongs Jewellers" (https://www.wongsjewellers.co.uk/). In the case of Wongs Jewellers, we identified a sample of Lazarus BTC Changer on their website, but we did not find any evidence that the shop accepts cryptocurrency, so the attackers probably added Lazarus BTC Changer to the website by mistake. The third victim is an Italian luxury clothes shop, but malicious code was removed from the website at the moment of analysis.
SAMPLES
Like all traditional JS-sniffers, Lazarus BTC Changer detects when users are on the checkout page of an infected website, but instead of collecting bank card details, it replaces the BTC or ETH address owned by the shop with an address used by the hackers. A snippet of such JavaScript code is shown in Figure 2 along with the BTC address used by the attackers (1MQC6C4FVX8RhmWESWsazEb5dyDBhxH9he) and the ETH address (0x460ab1c34e4388704c5e56e18D904Ed117D077CC).
Like all traditional JS-sniffers, Lazarus BTC Changer detects when users are on the checkout page of an infected website, but instead of collecting bank card details, it replaces the BTC or ETH address owned by the shop with an address used by the hackers. A snippet of such JavaScript code is shown in Figure 2 along with the BTC address used by the attackers (1MQC6C4FVX8RhmWESWsazEb5dyDBhxH9he) and the ETH address (0x460ab1c34e4388704c5e56e18D904Ed117D077CC).
Fig. 2: Lazarus BTC Changer sample with BTC and ETH addresses
In late March 2020, the attackers added a fake web payment form to their arsenal. The form opens in an iframe element.
Fig. 3: Lazarus BTC Changer with a fake payment form
The fake form (Figure 4) asks that the payment be made directly to the BTC address controlled by the hackers (1MQC6C4FVX8RhmWESWsazEb5dyDBhxH9he). Despite the fact that the form mentions one particular target (Realchems), the attackers used the same fake form in the samples injected into the source code of the other two target websites.
Fig. 4: Fake payment form, which opens in an iframe element
While analyzing the source code of the fake payment form (Figure 5) Group-IB Threat Intelligence researchers found that it was saved from the Realchems website using SingleFile browser extension. For each saved page SingleFile creates a comment with the URL address of the page and the saved date using Date() JavaScript object. In this case the comment contains the text in Korean "그리니치 표준시" (Greenwich Mean Time), which indicates that the page was saved on the device with Korean locale.
Fig. 5: Source code of fake payment form with Korean text
Analysis of BTC transactions
The four cryptocurrency addresses extracted from the Lazarus BTC Changer samples used by the attackers to receive stolen funds are:
Group-IB analyzed the transactions associated with the BTC addresses controlled by Lazarus and discovered that the adversaries most likely used CoinPayments.net. An analysis of money transfers from the attackers' BTC addresses, extracted from the Lazarus BTC Changer samples, to the address 35dnPpcXMGEoWE1gerDoC5xS92SYCQ61y6 revealed three transactions to BTC wallets allegedly owned by CoinPayments.net. CoinPayments.net is a payment gateway that allows users to conduct transactions involving Bitcoin, Ethereum, Litecoin, and other cryptocurrencies. As such, Lazarus may have used it to facilitate cryptocurrency exchanges and transfers to external cryptocurrency addresses. The website's KYC (Know Your Customer) policy could theoretically help identify individuals behind these attacks.
- 0x460ab1c34e4388704c5e56e18D904Ed117D077CC
- 1Gf8U7UQEJvMXW5k3jtgFATWUmQXVyHkJt
- 1MQC6C4FVX8RhmWESWsazEb5dyDBhxH9he
- 1DjyE7WUCz9DLabw5EWAuJVpUzXfN4evta
Group-IB analyzed the transactions associated with the BTC addresses controlled by Lazarus and discovered that the adversaries most likely used CoinPayments.net. An analysis of money transfers from the attackers' BTC addresses, extracted from the Lazarus BTC Changer samples, to the address 35dnPpcXMGEoWE1gerDoC5xS92SYCQ61y6 revealed three transactions to BTC wallets allegedly owned by CoinPayments.net. CoinPayments.net is a payment gateway that allows users to conduct transactions involving Bitcoin, Ethereum, Litecoin, and other cryptocurrencies. As such, Lazarus may have used it to facilitate cryptocurrency exchanges and transfers to external cryptocurrency addresses. The website's KYC (Know Your Customer) policy could theoretically help identify individuals behind these attacks.
ANALYSIS OF WALLETS
At the time of withdrawing cryptocurrency from the extracted BTC addresses, the attackers transferred 0.89993859 BTC ($8,446,55 at the moment of the transaction and $52,611 as of April 9, 2021). The two main BTC addresses (1Gf8U7UQEJvMXW5k3jtgFATWUmQXVyHkJt and 1MQC6C4FVX8RhmWESWsazEb5dyDBhxH9he) used to steal funds received 43 transactions while the Lazarus BTC Changer campaign was active. The address 1DjyE7WUCz9DLabw5EWAuJVpUzXfN4evta was not active during the Lazarus BTC Changer campaign because there were only one incoming and one outgoing transactions associated with this address on January 7, 2020, two months before the Lazarus BTC Changer campaign began. The ETH address received 29 incoming transactions, with a total profit of 4.384719 ETH, ($9,047 as of April 9, 2021). This ETH address had been active since July 11, 2019, however, and could have been used during other operations conducted by the hackers. It is therefore impossible to determine the transactions which resulted from the Lazarus BTC Changer campaign.
At the time of withdrawing cryptocurrency from the extracted BTC addresses, the attackers transferred 0.89993859 BTC ($8,446,55 at the moment of the transaction and $52,611 as of April 9, 2021). The two main BTC addresses (1Gf8U7UQEJvMXW5k3jtgFATWUmQXVyHkJt and 1MQC6C4FVX8RhmWESWsazEb5dyDBhxH9he) used to steal funds received 43 transactions while the Lazarus BTC Changer campaign was active. The address 1DjyE7WUCz9DLabw5EWAuJVpUzXfN4evta was not active during the Lazarus BTC Changer campaign because there were only one incoming and one outgoing transactions associated with this address on January 7, 2020, two months before the Lazarus BTC Changer campaign began. The ETH address received 29 incoming transactions, with a total profit of 4.384719 ETH, ($9,047 as of April 9, 2021). This ETH address had been active since July 11, 2019, however, and could have been used during other operations conducted by the hackers. It is therefore impossible to determine the transactions which resulted from the Lazarus BTC Changer campaign.
ANALYSIS OF OUTGOING BTC TRANSACTIONS
We tracked all outgoing transactions from the BTC addresses used by the attackers and extracted from Lazarus BTC Changer samples. We found that all stolen funds were transferred to a single address (35dnPpcXMGEoWE1gerDoC5xS92SYCQ61y6) as a result of transaction a929c7 (https://www.blockchain.com/btc/tx/a929c7d3b7ae58eb5b833460017016267f7ac66cbd16ad0 b4c4d4c9b3f50406a). From this point onward, we used a short form of transaction IDs instead of full IDs because of the length. Let's take a look at how all funds were transferred before this transaction.
We tracked all outgoing transactions from the BTC addresses used by the attackers and extracted from Lazarus BTC Changer samples. We found that all stolen funds were transferred to a single address (35dnPpcXMGEoWE1gerDoC5xS92SYCQ61y6) as a result of transaction a929c7 (https://www.blockchain.com/btc/tx/a929c7d3b7ae58eb5b833460017016267f7ac66cbd16ad0 b4c4d4c9b3f50406a). From this point onward, we used a short form of transaction IDs instead of full IDs because of the length. Let's take a look at how all funds were transferred before this transaction.
Fig. 6: Transactions from the BTC addresses used by the attackers before withdrawal in the transaction a929c7
The address 1DjyE7WUCz9DLabw5EWAuJVpUzXfN4evta was used in two Lazarus BTC Changer samples, but in this case the attackers were not successful: while samples with this BTC address were detected in late March 2020, all the funds from this address were transferred on January 7, 2020, which means that either the attackers did not receive any money using samples involving this address, or the funds from this address were transferred after the previous attacks. However, in January 2020 all the funds from this address were transferred during transaction d64045 (https://www.blockchain.com/btc/tx/d64045015d066aaa0187e822eebbe25437785d5c56be1a 3fdcf3b77e99d324a7) to addresses 3Gud3MyyNyJvUEfaqvF3dYnYUGvxYGhvzb (which, according to multiple wallet explorers, helps attribute wallets and transactions to particular crypto services; this address is part of CoinPayments.net) and 15ddzs7zA59cNt3m2YsErRzVamueWTTkTZ, which was one of the source addresses in transaction a929c7.
The address 1MQC6C4FVX8RhmWESWsazEb5dyDBhxH9he was found in four samples used in the Lazarus BTC Changer campaign, including three samples which used fake iframe payment forms. On April 5, 2020 the funds from this address were transferred to two addresses as part of transaction 5b3b34 (https://www.blockchain.com/btc/tx/5b3b34e8fdb642b028361799df5ac3955f38653f746f98c67 183b2c62dbfb9ef): 3JnxmN6aCwhPc1cWd17ka6n7KFNbiYYRiz (which, according to multiple wallet explorers, is part of CoinPayments.net) and large part of the funds was sent to 1MrYhKvRiScuFPRb9ybuJzrrGX8BzR9u9r. Five days later on April 10, 2020 the funds from 1MrYhKvRiScuFPRb9ybuJzrrGX8BzR9u9r were sent again as part of transaction a305ae (https://www.blockchain.com/btc/tx/a305aee9b7916ae34cefe9d3b2665271e027af52fdf57d6e 4d3e02658760e456) to one of supposed CoinPayments.net addresses (3A6BbxFAYGj4zgcbBUatLeVxvqSDV4nQfV) and a large part of the funds was sent to 1HDMJ42anvW97ib2awZkzSQsCjR7uxLD79, which was one of source addresses during the main withdrawal of the stolen funds.
The address 1Gf8U7UQEJvMXW5k3jtgFATWUmQXVyHkJt used in one of the malware samples was the most closely connected with the main withdrawal in transaction a929c7: this address was one of the source addresses for this transaction.
Besides these three transfers from the addresses used by the attackers, there was a fourth BTC address, which was the source in transaction a929c7 1KYjujKXcXw9mPrCr5HadY2DWCmo6aMrY9. However, we did not identify any malware samples or other malicious activity associated with this address and other related addresses.
During the investigation, we identified three transactions as part of which a small part of the funds was transferred to BTC addresses presumably owned by CoinPayments.net according to multiple public wallet explorers. Based on this pattern, we can suppose that attackers possibly use CoinPayments.net as a payment gateway and a small part of funds in each of these transactions is the website's commission for payment.
During transaction a929c7, the funds were sent to the address 35dnPpcXMGEoWE1gerDoC5xS92SYCQ61y6 on May 17, 2020 at 00:03. Thirty-four minutes later, the funds from this address were transferred to two BTC addresses as part of transaction 8ad539 (https://www.blockchain.com/btc/tx/8ad539d33b3a9bcbc777ff252eb125c389d761c491750b4 2ef2d67d90047337d): the larger part was sent to bc1qhs5extg53a44wcj9kfuvjvnqnv3dhpsadacttd and the other part to bc1qkjx7gm7enumq7ektxyk54l7zww45fxsk25eggw. From the addressbc1qhs5extg53a44wcj9kfuvjvnqnv3dhpsadacttd, the funds were sent to other two addresses as part of transaction 6acd59 (https://www.blockchain.com/btc/tx/6acd5930f026c8163c1a742b7229acbceff7f9d317b9328f5 736476e5f6b5692): 0.45641878 BTC to 38r5HQigv4Yh5ETwhYV8HwZwBbvThwSmfH and 0.38125138 BTC to 1FWhm95L6Nh2eqKKS5uKsXeAFeYB4yHegm.
Further investigation didn't provide any useful connections between the BTC addresses and public cryptocurrency services, so it is unclear where the funds were subsequently transferred.
Besides these three transfers from the addresses used by the attackers, there was a fourth BTC address, which was the source in transaction a929c7 1KYjujKXcXw9mPrCr5HadY2DWCmo6aMrY9. However, we did not identify any malware samples or other malicious activity associated with this address and other related addresses.
During the investigation, we identified three transactions as part of which a small part of the funds was transferred to BTC addresses presumably owned by CoinPayments.net according to multiple public wallet explorers. Based on this pattern, we can suppose that attackers possibly use CoinPayments.net as a payment gateway and a small part of funds in each of these transactions is the website's commission for payment.
During transaction a929c7, the funds were sent to the address 35dnPpcXMGEoWE1gerDoC5xS92SYCQ61y6 on May 17, 2020 at 00:03. Thirty-four minutes later, the funds from this address were transferred to two BTC addresses as part of transaction 8ad539 (https://www.blockchain.com/btc/tx/8ad539d33b3a9bcbc777ff252eb125c389d761c491750b4 2ef2d67d90047337d): the larger part was sent to bc1qhs5extg53a44wcj9kfuvjvnqnv3dhpsadacttd and the other part to bc1qkjx7gm7enumq7ektxyk54l7zww45fxsk25eggw. From the addressbc1qhs5extg53a44wcj9kfuvjvnqnv3dhpsadacttd, the funds were sent to other two addresses as part of transaction 6acd59 (https://www.blockchain.com/btc/tx/6acd5930f026c8163c1a742b7229acbceff7f9d317b9328f5 736476e5f6b5692): 0.45641878 BTC to 38r5HQigv4Yh5ETwhYV8HwZwBbvThwSmfH and 0.38125138 BTC to 1FWhm95L6Nh2eqKKS5uKsXeAFeYB4yHegm.
Further investigation didn't provide any useful connections between the BTC addresses and public cryptocurrency services, so it is unclear where the funds were subsequently transferred.
Fig. 7: Transactions after withdrawal from all BTC addresses used by the attackers
Conclusion
Group-IB researchers identified a previously undocumented campaign: Lazarus BTC Changer, attributed to the North Korean hacker group called Lazarus. The campaign marks the first time that Lazarus used malicious JS-sniffers to steal cryptocurrency. As part of the campaign, Lazarus used the same infrastructure as in the clientToken= campaign (described by Sansec researchers) and a modified version of the clientToken= JavaScript sniffer. Combined with the gang's track record of going after crypto, the campaign makes it possible to attribute the attacks to Lazarus with a high level of confidence.
Group-IB Threat Intelligence team identified a supposed payment gateway that was used in several transactions involving the stolen funds. The website's KYC policies can theoretically help identify individuals behind the Lazarus BTC Changer campaign.
Group-IB researchers believe that after the gang successfully tested new tools on small e-commerce stores, it will be able to switch to more prominent targets for bigger gains.
Group-IB Threat Intelligence team identified a supposed payment gateway that was used in several transactions involving the stolen funds. The website's KYC policies can theoretically help identify individuals behind the Lazarus BTC Changer campaign.
Group-IB researchers believe that after the gang successfully tested new tools on small e-commerce stores, it will be able to switch to more prominent targets for bigger gains.
Recommendations
● To improve your visibility into the operations of threat actors carrying out JS sniffer attacks, stay up-to-date with their latest TTPs, and receive unique data about adversary activity for threat hunting you may use Group-IB Threat Intelligence & Attribution.
● Use complex and unique passwords to access the website's admin panel and any services used for administration, for example phpMyAdmin, Adminer. If possible, set up two-factor authentication.
● Install all necessary updates for the software used, including CMS of websites. Do not use outdated or unsupported versions of the CMS. This will help to reduce the risk of servers being compromised and make it more difficult for an attacker to download the web shell and install malicious code.
● Regularly check the store for malware and conduct regular security audits of your website. For example, for websites based on CMS Magento, you can use Magento Security Scan Tool.
● Conduct complex security assessment of your website to discover all possible vulnerabilities, get information about existing exploits, and receive in-depth recommendations to eliminate them.
● Use the appropriate systems to log all changes that occur on the website, as well as to log access to the website's control panel and database and track file change dates. This will help you to detect website files infected with malicious code, as well as track unauthorized access to the website or web server.
● Use complex and unique passwords to access the website's admin panel and any services used for administration, for example phpMyAdmin, Adminer. If possible, set up two-factor authentication.
● Install all necessary updates for the software used, including CMS of websites. Do not use outdated or unsupported versions of the CMS. This will help to reduce the risk of servers being compromised and make it more difficult for an attacker to download the web shell and install malicious code.
● Regularly check the store for malware and conduct regular security audits of your website. For example, for websites based on CMS Magento, you can use Magento Security Scan Tool.
● Conduct complex security assessment of your website to discover all possible vulnerabilities, get information about existing exploits, and receive in-depth recommendations to eliminate them.
● Use the appropriate systems to log all changes that occur on the website, as well as to log access to the website's control panel and database and track file change dates. This will help you to detect website files infected with malicious code, as well as track unauthorized access to the website or web server.
Lear more about Group-IB's Security Assessment, Threat Intelligence & Attribution, and Fraud Hunting Platform on our website.
Indicators of compromise
Samples
51043929f82412a87be8fc315f73c0fc41dd46ae8e45d3e427d03df9dbe8c9e5 c8f27cf9b6fe3de41642c75f64ce955a094a646d907ca2937534ec0d81bdd6d1 fb3f47bbd5fe5b7a89f7305688823cd7b986693eeae3a26bcdaf94c318a8bcd3 d36a330038c7ec5b04c6e5da42071083d87806447b2236fcaa964bfef302a82b 06ac32672777f4b7b3e890a9afabde9af3fee85c8d8a83429c5fadd04c298309 79570a46d94301c0b89a8fd0539b0770bc375829b1c42d1ee8e0d4b7b44f8f7c e889dc3c95d160c30d675351e6ba1050e0d2ef04ce0b6074277c422a215e932e
Network indicators
luxmodelagency[.]com
Cryptocurrency addresses
0x460ab1c34e4388704c5e56e18D904Ed117D077CC
1Gf8U7UQEJvMXW5k3jtgFATWUmQXVyHkJt
1MQC6C4FVX8RhmWESWsazEb5dyDBhxH9he
1DjyE7WUCz9DLabw5EWAuJVpUzXfN4evta
51043929f82412a87be8fc315f73c0fc41dd46ae8e45d3e427d03df9dbe8c9e5 c8f27cf9b6fe3de41642c75f64ce955a094a646d907ca2937534ec0d81bdd6d1 fb3f47bbd5fe5b7a89f7305688823cd7b986693eeae3a26bcdaf94c318a8bcd3 d36a330038c7ec5b04c6e5da42071083d87806447b2236fcaa964bfef302a82b 06ac32672777f4b7b3e890a9afabde9af3fee85c8d8a83429c5fadd04c298309 79570a46d94301c0b89a8fd0539b0770bc375829b1c42d1ee8e0d4b7b44f8f7c e889dc3c95d160c30d675351e6ba1050e0d2ef04ce0b6074277c422a215e932e
Network indicators
luxmodelagency[.]com
Cryptocurrency addresses
0x460ab1c34e4388704c5e56e18D904Ed117D077CC
1Gf8U7UQEJvMXW5k3jtgFATWUmQXVyHkJt
1MQC6C4FVX8RhmWESWsazEb5dyDBhxH9he
1DjyE7WUCz9DLabw5EWAuJVpUzXfN4evta
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