Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 0a488d06133426db…

MALICIOUS

Office (OLE)

12.5 KB Created: 1997-02-19 15:51:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: 168445cb6266790d6a22a9454e56827f SHA-1: ea14db3dc8808f915e5185a4cb4c3e08c8208cef SHA-256: 0a488d06133426db9ccba1ecb2c0b9b9a6bcbec11c977481fdaf3fe60be2eeeb
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is an OLE document containing legacy WordBasic macros, specifically triggering on the `AutoClose` event. This indicates an attempt to execute arbitrary code when the document is closed. The heuristic `OLE_LEGACY_WORDBASIC_AUTOEXEC` confirms the presence of an auto-executing macro. The document body contains text that appears to be a protest or manifesto, but the core functionality relies on the macro execution.

Heuristics 2

  • ClamAV: Win.Trojan.DMV-5 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.DMV-5
  • 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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