Win.Trojan.ABC-1 — Office (OLE) malware analysis

Static analysis result for SHA-256 18f3a629872523f2…

MALICIOUS

Office (OLE)

13.0 KB Created: 1997-02-19 15:51:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: 5599118e4bc59628b87672a86d1f34ba SHA-1: 01e7d0ae0d663026ddaadc5ad700ed1b858569fd SHA-256: 18f3a629872523f26c0e2d260eef73d75d2d34d38c548197a9d8946fb15cb1f8
80 Risk Score

Malware Insights

Win.Trojan.ABC-1 · confidence 90%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV as Win.Trojan.ABC-1. A legacy WordBasic auto-exec macro marker 'AutoOpen' was detected, indicating the document will attempt to run malicious code upon opening. The document body explicitly mentions 'Macro Goat File' and 'Infected with ABC.A Macro Virus', further supporting the malicious intent.

Heuristics 2

  • ClamAV: Win.Trojan.ABC-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.ABC-1
  • Legacy WordBasic auto-exec macro marker medium OLE_LEGACY_WORDBASIC_AUTOEXEC
    OLE Word document contains a legacy WordBasic auto-execution marker such as AutoOpen, but no modern VBA project was recovered and no stronger macro-virus family marker was present. This is analyst-facing evidence for old Word macro execution surface, not a downloader or parser-CVE attribution by itself.

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