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Threat Group Cards: A Threat Actor Encyclopedia

Permanent link Tool: Lazarus

NamesLazarus
HIDDEN COBRA RAT/Worm
CategoryMalware
TypeBackdoor, Worm, Downloader, Info stealer, Exfiltration
Description(US-CERT) This submission includes four unique files. The first is an installer for additional malware: a Remote Access Trojan (RAT) and a malicious Dynamic Link Library (DLL) that functions as a Server Message Block (SMB) Worm. The fourth file is another SMB worm in the form of a Windows 32-bit executable.

Both SMB worms attempt to spread locally and to random IP addresses on the public Internet by attempting to brute force vulnerable systems using a built-in list of common passwords. The RAT included with the SMB worm provides the attacker with the ability to deliver additional malware, run local commands, and exfiltrate data.
Information<https://www.us-cert.gov/ncas/analysis-reports/AR18-149A>

Last change to this tool card: 19 April 2020

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All groups using tool Lazarus

ChangedNameCountryObserved

APT groups

 Lazarus Group, Hidden Cobra, Labyrinth ChollimaNorth Korea2007-Spring 2021X

1 group listed (1 APT, 0 other, 0 unknown)

Thailand Computer Emergency Response Team (ThaiCERT)
Electronic Transactions Development Agency

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