Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 6b966b364b5facdd…

MALICIOUS

Office (OLE)

13.0 KB Created: 1998-02-20 00:19:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: af62f8b6e1a0910bf3dc8a47616968ba SHA-1: e5037469d45365a679cce0765e470f0152151444 SHA-256: 6b966b364b5facddc31975a0fb215bd6a5654c54eee10312be7cbbdbdd73f748
80 Risk Score

Malware Insights

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

The file is a legacy Word document containing a WordBasic macro triggered by the AutoOpen event. This macro is likely malicious, as indicated by the ClamAV detection for Win.Trojan.CountTen-1. The presence of the AutoOpen marker and the legacy nature of the document suggest an attempt to execute a malicious script upon opening, which is a common method for delivering malware.

Heuristics 2

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