Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 6bedf8db6c31c5bc…

MALICIOUS

Office (OLE)

11.0 KB Created: 1997-07-29 15:22:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: 7b518d0d31c04e679793aadcc43848c4 SHA-1: c364d909e27edc56572dda8355509b92ec715617 SHA-256: 6bedf8db6c31c5bcfda7a9b01a0a6f80eaef5352fe0f7cb25778523ca4351eaf
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as malicious due to the presence of a legacy WordBasic macro, specifically the AutoOpen macro, which is a known marker for automatic execution. The macro's content suggests it is a minimal macro-virus, though its exact payload is not discernible from the provided evidence. The file's metadata indicates it was authored with a very old version of Microsoft Word, further supporting the legacy nature of the threat.

Heuristics 2

  • ClamAV: Win.Trojan.Minimal-51 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Minimal-51
  • 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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