Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 5a4874e56bf8a2b0…

MALICIOUS

Office (OLE)

18.9 KB Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 7309c9800cc1377ba30245fe5aa2e13d SHA-1: aedf63b9f7964cc4201f69b43e015248a4c0b9cb SHA-256: 5a4874e56bf8a2b0bd06cde797c4b6d4c79b6c0ac763fc5e793bfbc3cc8097fd
80 Risk Score

Malware Insights

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

The sample is identified as malicious by ClamAV with the signature Win.Trojan.Th-2. It contains legacy WordBasic auto-execution markers (FileOpen) which are indicative of macro-based execution. The presence of these markers suggests the document is designed to automatically run malicious code when opened, likely to download and execute a secondary payload.

Heuristics 2

  • ClamAV: Win.Trojan.Th-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Th-2
  • 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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