Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 b91ca62b49d56e16…

MALICIOUS

Office (OLE)

35.0 KB First seen: 2012-06-14
MD5: 6d525b1be049a60adca77ef993b2ac5e SHA-1: ce5327caf73018ede2234cf3a0528a349cd427ec SHA-256: b91ca62b49d56e161da8db775a70cae03afd682a28721b3d0dbac6586f34283d
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file exhibits characteristics of a legacy macro virus, specifically identified as a 'RSN MACRO VIRUS Goat file' with WordBasic macro virus markers. ClamAV also detected it as Win.Trojan.Wazzu-35. The presence of these markers and the detection strongly indicate a malicious intent, likely to spread through macro execution within Microsoft Word documents.

Heuristics 2

  • ClamAV: Win.Trojan.Wazzu-35 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Wazzu-35
  • 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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