Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 48921f840eca1da2…

MALICIOUS

Office (OLE)

38.5 KB First seen: 2018-10-13
MD5: b5517dfaf7cbf76e10f70e67d5f1a8a6 SHA-1: e006b9ad79db1dec39749c73bc76a0be704d3ca5 SHA-256: 48921f840eca1da2f6084976f65c0494fdf40fc6eca23b1fb50bc16696b9a725
80 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is an encrypted Office document, which is a common technique to evade static analysis and detection. ClamAV signature 'Doc.Dropper.Agent-7418749-0' strongly suggests this file functions as a dropper, intended to download and execute a secondary malicious payload. The encryption itself is a tactic to obscure the malicious content from initial inspection.

Heuristics 2

  • ClamAV: Doc.Dropper.Agent-7185208-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Agent-7185208-0
  • Office document is password-encrypted medium OFFICE_ENCRYPTED_PACKAGE
    OLE container holds MS-OFFCRYPTO encrypted package (Standard Encryption (Office 2007, AES)).

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