Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 b9cbd2d665e49090…

MALICIOUS

Office (OLE)

30.0 KB Created: 1996-12-29 10:38:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: bd5eb9a5c40ce8ca5ff4cd15ed27631d SHA-1: 0a2eef406739c80179c26ec6b7ad01d273dcf968 SHA-256: b9cbd2d665e490906b5a91d9fae8b71506446e3e792230385d0fbc1efa5fd346
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The critical ClamAV heuristic indicates the file is recognized as Win.Trojan.Trojan-540. The presence of a legacy WordBasic AutoOpen macro marker suggests the document is configured to execute malicious code immediately when opened. The document body contains numerous references to AutoExec and AutoOpen macros, reinforcing the likelihood of automated execution.

Heuristics 2

  • ClamAV: Win.Trojan.Trojan-540 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Trojan-540
  • 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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