Win.Trojan.Boom-3 — Office (OLE) malware analysis

Static analysis result for SHA-256 bd761ce3053ff36d…

MALICIOUS

Office (OLE)

16.5 KB Created: 1996-01-20 09:48:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: f85b76d2e35074133650bf5092d66619 SHA-1: 0a28577642628e9f0f22a5f8b598417f02d95529 SHA-256: bd761ce3053ff36dc8b0688f53004a5809011c0a84467c21a2fe3d48c845c3ca
80 Risk Score

Malware Insights

Win.Trojan.Boom-3 · confidence 90%

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

The critical ClamAV heuristic identifies the file as Win.Trojan.Boom-3. The legacy WordBasic AutoOpen macro marker indicates that the document is designed to execute malicious code automatically when opened. This suggests a classic macro-based malware delivery mechanism, likely a spearphishing attachment.

Heuristics 2

  • ClamAV: Win.Trojan.Boom-3 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Boom-3
  • 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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