Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 e63b137d0c3b930e…

MALICIOUS

Office (OLE)

11.0 KB Created: 1997-12-31 17:52:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: b38c59383fe99873ca80f9dbb93d24fb SHA-1: 1d5766c86f07f0adb714f052d91d24d38e7f3364 SHA-256: e63b137d0c3b930e6e33e0510fa85277b83ab6d28ee1a8e9bfa13e0eb053fdd7
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as a legacy WordBasic macro-virus by heuristics, specifically noting the presence of 'iMacroCount' and other macro-related markers. ClamAV detection as 'Win.Trojan.Urchin-1' further confirms its malicious nature. The document body contains numerous references to AutoExec, AutoOpen, and FileSaveAs macros, typical of older macro-based malware designed for propagation.

Heuristics 2

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