Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 a67e74cddfb7cae5…

MALICIOUS

Office (OLE)

12.5 KB Created: 1997-10-17 00:59:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: 1b5761a15e79ecf4fa6d3f77b91b664c SHA-1: c9d63742e3484638006e2f0a3f74d960100db1e0 SHA-256: a67e74cddfb7cae5245bf2b4d9f8df98e23a6fa2d8c16b0478042b923ce1eda0
80 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV with the signature Legacy.Trojan.Agent-453. A legacy WordBasic auto-exec macro marker (AutoOpen) was detected, indicating the document is designed to run malicious code upon opening. The document body contains metadata-like fields and a comment mentioning infection by 'Macro.Word.X91 by FRiZER', suggesting a macro-based threat. The presence of the AutoOpen macro strongly implies an attempt to execute arbitrary code, likely for downloading further stages.

Heuristics 2

  • ClamAV: Legacy.Trojan.Agent-453 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Legacy.Trojan.Agent-453
  • 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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