Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 9a65c4ed5e4863d7…

MALICIOUS

Office (OLE)

13.5 KB Created: 1997-01-18 16:32:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: b91cacebc1c498c28de3de40a5a97e39 SHA-1: 2b325dee85b4070a78489b428bd38b89a453cd03 SHA-256: 9a65c4ed5e4863d747fee6ea427aaaed0c60141bd81547af1ac81143251e6906
80 Risk Score

Malware Insights

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

The file contains legacy WordBasic auto-exec macro markers, specifically 'aUtOoPeN', which is a strong indicator of malicious intent. The presence of 'Win.Trojan.Minimal-13' from ClamAV further confirms its malicious nature. The document body, while containing unusual text, references the auto-execution marker, suggesting it's designed to trigger the macro upon opening.

Heuristics 2

  • ClamAV: Win.Trojan.Minimal-13 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Minimal-13
  • 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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