Win.Trojan.Wazzu-31 — Office (OLE) malware analysis

Static analysis result for SHA-256 d870a5fe2147c248…

MALICIOUS

Office (OLE)

15.0 KB Created: 1997-03-20 17:00:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: fd0d44e755120a84fd2d375f69649310 SHA-1: a8f88a48ea28075c4b6112cd770c7c094ba56bd5 SHA-256: d870a5fe2147c248feec21d430f0bd02a2d063de512b9d72becbf5a01184a6a9
100 Risk Score

Malware Insights

Win.Trojan.Wazzu-31 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The sample exhibits characteristics of a legacy WordBasic macro virus, specifically identified by the 'Wazzu' marker and ClamAV detection as Win.Trojan.Wazzu-31. The presence of legacy macro virus markers suggests the document is designed to execute malicious code upon opening, likely to spread or deliver a payload.

Heuristics 2

  • ClamAV: Win.Trojan.Wazzu-31 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Wazzu-31
  • 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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