Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 aa7a052f3b05baf3…

MALICIOUS

Office (OLE)

30.5 KB Created: 1997-10-27 18:40:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: 2766ef8d1fe7b1f36f8a353141dea6a5 SHA-1: a875ea5247d32bf035bf50e1a325bf810b137315 SHA-256: aa7a052f3b05baf3e00cd66352773281f09ab1596392df9277c1c21cdd84cf47
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file exhibits legacy WordBasic macro virus markers, specifically 'TOOLSMACRO', which is a strong indicator of malicious intent. ClamAV also detected it as Win.Trojan.VHDL-1. The presence of these markers suggests the document is designed to execute malicious code via macros when opened.

Heuristics 2

  • ClamAV: Win.Trojan.VHDL-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.VHDL-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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