Lazarus Trojanized DeFi app for delivering malware
2022-03-31 • Kaspersky •
Kaspersky found a Lazarus-linked Trojanized DeFi Wallet application compiled in November 2021 that installed a legitimate-looking cryptocurrency wallet while dropping a full-featured backdoor. The infection chain wrote a disguised GoogleChrome.exe payload under C:\ProgramData\Microsoft, executed a legitimate DeFi Wallet component to deceive the user, and removed traces of the original Trojanized installer. The backdoor used configurable C2 addresses, a hard-coded beacon value, RC4 plus base64 encoding, and POST parameters such as jsessid and jcookie to communicate with compromised South Korean web servers. Its command set supported system and drive enumeration, process control, command execution, file download and exfiltration, timestamp changes, secure deletion, configuration updates, and process creation, showing Lazarus’ continued interest in cryptocurrency and DeFi targets for financial gain.
Indicators of Compromise
| Type | Value | First Seen | Last Seen |
|---|---|---|---|
| HASH | 5b831eaed711d5c4bc19d7e75fcaf46e | 2022-03-31 | 2022-03-31 |
| HASH | d35a9babbd9589694deb4e87db222606 | 2022-03-31 | 2022-03-31 |
| HASH | 77ff51bfce3f018821e343c04c698c0e | 2022-03-31 | 2022-03-31 |
| HASH | b7092df99ece1cdb458259e0408983c7 | 2022-03-31 | 2022-03-31 |
| HASH | 47b73a47e26ba18f0dba217cb47c1e16 | 2022-03-31 | 2022-03-31 |
| HASH | 70bcafbb1939e45b841e68576a320603 | 2022-03-31 | 2022-03-31 |
| HASH | 3f4cf1a8a16e48a866aebd5697ec107b | 2022-03-31 | 2022-03-31 |
| HASH | a4873ef95e6d76856aa9a43d56f639a4 | 2022-03-31 | 2022-03-31 |
| HASH | d65509f10b432f9bbeacfc39a3506e23 | 2022-03-31 | 2022-03-31 |
| HASH | d90d267f81f108a89ad728b7ece38e70 | 2022-03-31 | 2022-03-31 |
| HASH | 0b9f4612cdfe763b3d8c8a956157474a | 2022-03-31 | 2022-03-31 |
| HASH | 8e302b5747ff1dcad301c136e9acb4b0 | 2022-03-31 | 2022-03-31 |
| URL | http://emsystec.com/include/inc… | 2022-03-31 | 2022-03-31 |
| URL | http://www.newbusantour.co.kr/g… | 2022-03-31 | 2022-03-31 |
| URL | http://www.syadplus.com/search/… | 2022-03-31 | 2022-03-31 |
| URL | http://gyro3d.com/mypage/faq.asp | 2022-03-31 | 2022-03-31 |
| URL | http://softapp.co.kr/sub/cscent… | 2022-03-31 | 2022-03-31 |
| URL | http://bn-cosmo.com/customer/bo… | 2022-03-31 | 2022-03-31 |
| URL | http://www.gyro3d.com/common/fa… | 2022-03-31 | 2022-03-31 |
| URL | http://ilovesvc.com/HomePage1/I… | 2022-03-31 | 2022-03-31 |
| DOMAIN | gyro3d.com | 2022-03-31 | 2022-03-31 |
| DOMAIN | emsystec.com | 2022-03-31 | 2022-03-31 |
| DOMAIN | softapp.co.kr | 2022-03-31 | 2022-03-31 |
| DOMAIN | bn-cosmo.com | 2022-03-31 | 2022-03-31 |
| DOMAIN | roit.co.kr | 2021-02-25 | 2022-03-31 |
| DOMAIN | edujikim.com | 2021-01-25 | 2022-03-31 |
| DOMAIN | ilovesvc.com | 2019-01-30 | 2022-03-31 |
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