Linux malware strengthens links between Lazarus and the 3CX supply‑chain attack

2023-04-20 ESET

https://www.welivesecurity.com/2023/04/20/linux-malware-strengthens-links-lazarus-3cx-supply-chain-attack/

ESET links a Lazarus Operation DreamJob campaign against Linux users to broader evidence connecting the group with the 3CX supply-chain compromise. The Linux intrusion chain used a ZIP archive containing a fake HSBC job offer lure, where a deceptive Unicode filename made a native Go ELF appear like a PDF while executing OdicLoader. OdicLoader opened a decoy PDF, downloaded the SimplexTea Linux backdoor from OpenDrive, stored it under ~/.config/guiconfigd, and modified ~/.bash_profile for persistence. The finding matters because it shows Lazarus extending DreamJob tooling to Linux while targeting all major desktop platforms and provides additional technical support for the suspected Lazarus role in the 3CX incident.

Indicators of Compromise

Type Value First Seen Last Seen
HASH cc307cfb401d1ae616445e78b610ab7… 2023-04-20 2025-12-17
IPv4 23.254.211.230 2023-04-20 2025-12-17
IPv4 172.93.201.88 2023-04-20 2025-11-09
HASH 492a643bd1efdaca4ca125ade1b606e… 2023-04-20 2024-12-27
HASH 3a63477a078ce10e53dfb5639e35d74… 2023-04-20 2023-05-09
HASH 9d8bade2030c93d0a010aa57b90915e… 2023-04-20 2023-05-09
HASH 3cf7232e5185109321921046d039cf10 2023-04-20 2023-05-09
HASH aac5a52b939f3fe792726a13ff7a1747 2023-04-20 2023-05-09
HASH 0ca1723afe261cd85b05c9ef424fc50… 2023-04-20 2023-05-09
HASH f638e5a20114019ad066dd0e856f97f… 2023-04-20 2023-05-09
HASH f6760fb1f8b019af2304ea6410001b6… 2023-04-20 2023-05-09
HASH fc41cb8425b6432af8403959bb59430d 2023-04-20 2023-05-09
IPv4 38.108.185.79 2023-04-20 2023-05-09
IPv4 38.108.185.115 2023-04-20 2023-05-09
DOMAIN journalide.org 2023-03-29 2023-05-09
HASH 2acc6f1d4656978f4d503929b8c8045… 2023-04-20 2023-05-02
HASH d288766fa268bc2534f85fd06a5d522… 2023-04-20 2023-05-02
HASH 7491bd61ed15298ce5ee5ffd01c8c82… 2023-04-20 2023-05-02
HASH 58b0516d28bd7218b1908fb266b8fe7… 2023-04-20 2023-05-02
HASH eebb01932de0b5605dd460cc82844d8… 2023-04-20 2023-05-02
HASH cedb9cdbad254f60cfb215b9bff84fb9 2023-04-20 2023-05-02
HASH 1c66e67a8531e3ff1c64ae57e6edfde… 2023-04-20 2023-05-02
HASH dcef83d8ee080b54dc54759c59f955e… 2023-04-20 2023-05-02
HASH 3b88cda62cdd918b62ef5aa8c5a73a4… 2023-03-30 2023-05-02
HASH cad1120d91b812acafef7175f949dd1… 2023-03-29 2023-05-02
HASH 5b03294b72c0caa5fb20e7817002c60… 2022-12-01 2023-05-02
HASH 65122e5129fc74d6b5ebafcc3376aba… 2017-12-21 2023-05-02
URL https://journalide.org/djour.php 2023-04-20 2023-04-24
YARA RichHeaders_Lazarus_NukeSped_Ic… 2023-04-20 2023-04-20
URL https://od.lk/d/NTJfMzg4MDE1NzJ… 2023-04-20 2023-04-20

Related Reports

2023-04-20 • 31% Match
#YARA #SupplyChain #3CXDesktopApp #SmoothOperator #UNC4736 #X_Trader #UNC4469 #UNC3782 #T1082 #T1140 #T1070.004 #T1071.001 #T1195.002 #T1112 #T1083 #T1497 #T1036 #T1027 #T1071 #T1195 #T1497.001 #T1105 #T1055 #T1620 #T1574.002 #T1622 #T1190 #T1588 #T1574 #T1573.002 #T1614 #T1573 #T1608 #T1070 #T1614.001 #T1071.004 #T1012 #T1588.004 #T1565.001 #T1036.001 #T1070.001 #T1608.003 #T1565
Shares tags: YARA, 3CXDesktopApp, SmoothOperator • Published within a week
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