Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 be9dce4c2aa5f0ba…

MALICIOUS

Office (OLE)

6.5 KB Created: 1996-11-28 22:51:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 89f7f2e63581febc68424787a11e4523 SHA-1: 2ae0f99f83742e5c7682dbc7871367784bbb623a SHA-256: be9dce4c2aa5f0bafbf54fc1b872be1f6c62d31ddee7c1d815eace9b4361fe8e
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample is a legacy Word document containing WordBasic macros. The presence of the 'autoOpen' macro and the 'OLE_LEGACY_WORDBASIC_AUTOEXEC' heuristic firing indicate that this macro is designed to execute automatically when the document is opened, likely to infect other documents. ClamAV also detected this file as Legacy.Trojan.Agent-468.

Heuristics 2

  • ClamAV: Legacy.Trojan.Agent-468 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Legacy.Trojan.Agent-468
  • 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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