Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 f70c745a297a2657…

MALICIOUS

Office (OLE)

15.5 KB Created: 1997-10-30 23:16:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: 520615bafaa8378ee43dacdad2c96bdf SHA-1: 9eb6f46054e0cfb972027a1cc247e14c818a19a6 SHA-256: f70c745a297a265752d814265c828ffff8bf4e3d91ac02f71046f01286c5f343
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample is an OLE document containing legacy WordBasic macros, specifically triggering on AutoClose and AutoOpen events. The presence of these auto-executing macros indicates an attempt to run malicious code upon document interaction. While the specific payload is not discernible from the provided evidence, the legacy nature and auto-execution suggest a downloader or dropper functionality.

Heuristics 2

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