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Home/ATT&CK/Software/S9027
MITRE ATT&CK Malware

ANELLDR (S9027)

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[ANELLDR](https://attack.mitre.org/software/S9027), a loader that has been in use since at least 2018, was designed to decrypt and execute [UPPERCUT](https://attack.mitre.org/software/S0275) in memory. [ANELLDR](https://attack.mitre.org/software/S9027) can use anti-analysis techniques and is known to share code overlap with [HiddenFace](https://attack.mitre.org/software/S9023).(Citation: Trend Micro Earth Kasha Anel NOV 2024)(Citation: ESET MirrorFace 2025)

Platforms: Windows

▪Techniques implemented (8)

T1106Native APIT1083File and Directory DiscoveryT1140Deobfuscate/Decode Files or InformationT1027.013Encrypted/Encoded FileT1574.001DLLT1622Debugger EvasionT1027.016Junk Code InsertionT1027Obfuscated Files or Information
S9027on MITRE ATT&CK →

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