Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 bacaa7b72f096087…

MALICIOUS

Office (OLE)

9.0 KB Created: 1997-10-21 17:32:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 37f9ea780315b7b2b2064d1fdf8a28c2 SHA-1: e4b3266f78b7989521ba2191b79cd449a65ce273 SHA-256: bacaa7b72f096087ad83ef55b74905272c92de3d5b816140d294199223e059fc
80 Risk Score

Malware Insights

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

The critical ClamAV heuristic and the legacy WordBasic auto-exec marker 'AutoOpen' indicate malicious intent. The presence of 'AutoOpen' suggests the macro will run automatically when the document is opened, a common technique for dropping or executing further malware. The document body contains references to 'VIRUS4.DOC', likely an internal filename for the malicious macro.

Heuristics 2

  • ClamAV: Doc.Dropper.Agent-1501862 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Agent-1501862
  • 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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