Doc.Trojan.Concept-3 — Office (OLE) malware analysis

Static analysis result for SHA-256 df7409e284e6a62f…

MALICIOUS

Office (OLE)

15.0 KB Created: 1996-11-29 20:41:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 800ffaff2914cfc7994249d167284192 SHA-1: 944495124450cee142003573df8b45d0f53cfd49 SHA-256: df7409e284e6a62f07d790e9c4a436b7217a842983c1c1aea93a9cb77fc64f29
100 Risk Score

Malware Insights

Doc.Trojan.Concept-3 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The critical ClamAV heuristic identified this file as Doc.Trojan.Concept-3, a known legacy macro virus. The presence of legacy WordBasic macro markers and the repetitive, obfuscated code within the document body strongly indicate a macro-based infection mechanism. The macro appears to be designed to infect other documents, a common behavior for older macro malware.

Heuristics 2

  • ClamAV: Doc.Trojan.Concept-3 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Concept-3
  • Legacy WordBasic macro-virus markers high OLE_LEGACY_WORDBASIC_MACRO_VIRUS
    OLE Word document contains legacy WordBasic auto-execution macro markers such as AutoOpen plus ToolsMacro/MacroFile/fileMacro/globMacro or named historical macro-virus strings. These old Word 6/95 macro forms are not exposed as a modern VBA project, so normal VBA source extraction can miss them.

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