Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 b8d45c4ec8e83a70…

MALICIOUS

Office (OLE)

6.5 KB First seen: 2012-06-14
MD5: c9b3d58b874ba023477213e4db9ad35a SHA-1: 83b3b9e4bc9acecac08d32b6850198f127ba63d9 SHA-256: b8d45c4ec8e83a70b1ba3680a978705147091d210819615be54af59946b47e6f
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file exhibits legacy WordBasic macro virus markers, specifically 'RSN MACRO VIRUS'. The document body contains text that appears to be part of a macro, including 'autoOpen' and 'AUTOOPEN', suggesting an attempt to execute malicious code upon opening. This indicates a macro-based attack, likely delivered as a spearphishing attachment.

Heuristics 2

  • ClamAV: Win.Trojan.Wazzu-21 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Wazzu-21
  • 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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