Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 edde5a6352cfa3f4…

MALICIOUS

Office (OLE)

12.0 KB Created: 1996-10-06 15:29:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: 072f648343c6110d8e8012511683df76 SHA-1: 553540b5b17d79f573cfef281e5aea70bbb67d90 SHA-256: edde5a6352cfa3f46086d2fea877e4c7ff053639fc983fe8200b4b3bbe84dd57
80 Risk Score

Malware Insights

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

The sample is a legacy Word document containing a WordBasic macro named 'AutoOpen', which is a known auto-execution entry point. ClamAV detection as 'Doc.Trojan.Apparition-5' strongly suggests malicious intent. The macro's presence and auto-execution capability indicate it's likely designed to download and run a second-stage payload, a common tactic for initial infection.

Heuristics 2

  • ClamAV: Doc.Trojan.Apparition-5 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Apparition-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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