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Severity
High
Analysis Summary
Remcos malware has been operating since 2016. This RAT was originally promoted as genuine software for remote control of Microsoft Windows from XP onwards, and is frequently found in phishing attempts due to its capacity to completely infect an afflicted machine. Remcos malware attacks Windows systems and provides the attacker complete control over the machine.It is frequently distributed by malicious documents or archive files that contain scripts or executables. Remcos, like other RATs, offers the threat actor complete access over the infected PCs which allow them to record keystrokes, passwords, and other critical information. Remcos incorporates various obfuscation and anti-debugging techniques to evade detection. Regular updates of its features by its creators make this malware a challenging adversary.
Impact
- Breach of: Victim’s machine information (OS version, computer name, system type, product name, primary adapter).
- User information (user access, user profile, user name, user domain)
- Processor information (processor revision number, processor level, processor identifier, processor architecture)
Indicators of Compromise
MD5
- 844f93361498e029e80137b46afc053e
- 1c5a0fbd874571be24714ea08bac24d3
- 0ca3a5a1696a35d24dc2fc7bb59a9b21
- ed1e424ea6f625968a334377e8ac629f
SHA-256
- 982eb5dc04f704d03f8b7e847706619d242868975a1fbfcaa4a8660267ec9515
- 82f5d64e51d5ab45509ce0742638b4bb6e0bdd5f14416716b431415e0485f344
- 2c9324ba95fda93cee19571ec2d0b384249e795ef4e8c438b7b4afeebd46e695
- 1e5375b400f68c422804703390489b2cf3968c2a8bccb0b5b3c55fe1d2e3c991
SHA-1
- 1dcc4e997472d1c478ecc9cf3b51a84ff6ecae61
- 881005df8a7309f178d657e5da20d8e886e5fa02
- 9b1a21ba67fde8a729d4a2404671d20e6ce72dc0
- ad00cc58a59a3d5b78d6603a1d09378e5dbd1647
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.