Win.Trojan.Cap-1 — Office (OLE) malware analysis

Static analysis result for SHA-256 70f43b9b0cb6ba1b…

MALICIOUS

Office (OLE)

17.0 KB Created: 2004-06-02 09:22:00 Authoring application: Microsoft Word for Windows 95 First seen: 2020-04-06
MD5: 72c8a89e528cfeec5410b9a3ac8003f1 SHA-1: 2cb5639ad7841a79093b5d5510efe78350f41514 SHA-256: 70f43b9b0cb6ba1b89b620d3156580d04aa54e51cd4edaa4d1cb495640358545
100 Risk Score

Malware Insights

Win.Trojan.Cap-1 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as a legacy WordBasic macro-virus by heuristics, and ClamAV detects it as Win.Trojan.Cap-1. The document body presents itself as a Polish municipal decree, a common lure for social engineering. The presence of legacy macro markers suggests the execution of embedded Visual Basic code.

Heuristics 2

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