Win.Trojan.Wazzu-34 — Office (OLE) malware analysis

Static analysis result for SHA-256 b661c4473489dcd5…

MALICIOUS

Office (OLE)

6.5 KB First seen: 2012-06-14
MD5: cdf26ee7ff51c598a4ffc6670721f042 SHA-1: 22cbdcb472cc274d08e0f2ccf7fbb693207888df SHA-256: b661c4473489dcd52ee186dce1146e33473e70b4100c045ade8f0eafc1e00ce7
100 Risk Score

Malware Insights

Win.Trojan.Wazzu-34 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The sample exhibits characteristics of a legacy macro virus, specifically identified by ClamAV as Win.Trojan.Wazzu-34. The document body contains markers like 'RSN MACRO VIRUS' and 'Goat file', along with embedded strings that appear to be part of a WordBasic macro, suggesting an attempt to execute malicious code upon opening. The presence of legacy macro virus markers and the specific ClamAV detection strongly indicate a malicious intent.

Heuristics 2

  • ClamAV: Win.Trojan.Wazzu-34 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Wazzu-34
  • 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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