Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 764520a67f04cd4c…

MALICIOUS

Office (OLE)

13.5 KB Created: 1995-08-11 09:45:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 8cee2351620fbe18a6ea0a0fa9975768 SHA-1: f9efe17d7cd0297edbf9f3a65f52f9cc2557d4f4 SHA-256: 764520a67f04cd4c1af21d15097e7eb4b138808fe09e411e22252bcba97ae041
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample is identified as malicious by ClamAV with the signature Win.Trojan.Hot-3. Static analysis revealed a legacy WordBasic AutoOpen macro, which is a common technique for executing malicious code when a document is opened. The document body contains repetitive text and what appear to be internal markers, but no clear lure or instruction is present.

Heuristics 2

  • ClamAV: Win.Trojan.Hot-3 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Hot-3
  • 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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