Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 5f5cb2c0613f7966…

MALICIOUS

Office (OLE)

30.0 KB Created: 1997-05-07 09:15:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: ab539e29d36ca977a552d46979a79e9b SHA-1: afb597e548face10d6114e2ca41e39f7623b1821 SHA-256: 5f5cb2c0613f79665fe9337c56bfb788909255542397a150b6d603429b8978ce
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is an OLE document containing legacy WordBasic macro virus markers, specifically 'TOOLSMACRO'. ClamAV detection confirms it as Win.Trojan.Varmint-1. The presence of these markers and the detection strongly indicate a malicious macro-based document, likely designed to execute arbitrary code via the macro.

Heuristics 2

  • ClamAV: Win.Trojan.Varmint-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Varmint-1
  • Legacy WordBasic macro-virus markers high OLE_LEGACY_WORDBASIC_MACRO_VIRUS
    OLE Word document contains legacy WordBasic auto-execution macro markers such as AutoOpen plus ToolsMacro/MacroFile/fileMacro/globMacro or named historical macro-virus strings. These old Word 6/95 macro forms are not exposed as a modern VBA project, so normal VBA source extraction can miss them.

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