Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 99e31ea2e588cbb2…

MALICIOUS

Office (OLE)

7.0 KB Created: 1997-02-08 12:34:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: d1c55f2b6ab74bee7648f99675174ba5 SHA-1: 4f063ee10e818677e3174166a8af4c59604c0781 SHA-256: 99e31ea2e588cbb2acc4dc65151e561d003645cc040647c50701a642dbab0045
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample contains legacy WordBasic macro virus markers, specifically 'WAZZU', and is detected by ClamAV as Doc.Trojan.Wazzu-6. The document body references 'C:\WAZZU-F.DOC' and 'WM.Wazzu.F (Bosco)', indicating a potential dropper or exploit targeting older Microsoft Word versions. The presence of WordBasic macro firings suggests an attempt to execute malicious code via macros.

Heuristics 2

  • ClamAV: Doc.Trojan.Wazzu-6 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Wazzu-6
  • 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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