Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 3c07386e256b585b…

MALICIOUS

Office (OLE)

9.5 KB Created: 1997-01-13 21:45:00 Authoring application: Microsoft Word 6.0 First seen: 2015-10-13
MD5: eabf65f657afbe34f47a40d760103b50 SHA-1: 274e54de13070579857d9ccf1801d69feac7c081 SHA-256: 3c07386e256b585b41def18c3a296a85dd7450a0dfb1f0005196fe5a9f0fea26
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as malicious by ClamAV with the signature Win.Trojan.Pig-1. The presence of a legacy WordBasic AUTOCLOSE macro marker strongly suggests that the document is designed to automatically execute malicious code when opened. The document body contains strings that appear to be remnants of macro code or template text, including references to printer drivers and file paths.

Heuristics 2

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