Win.Trojan.Jaja-1 — Office (OLE) malware analysis

Static analysis result for SHA-256 c53ff711ee2ca4be…

MALICIOUS

Office (OLE)

12.0 KB Created: 1996-10-22 17:05:00 Authoring application: Microsoft Word 6.0 First seen: 2015-09-24
MD5: 641b15387fb4eff7279fee7029067940 SHA-1: 872f8202639c24f1d51710367810a3d7d79ebedf SHA-256: c53ff711ee2ca4be61c25cbec8ff17b3ff1ad411db3ca3ceda4bbb11ebf3eddd
100 Risk Score

Malware Insights

Win.Trojan.Jaja-1 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The file contains legacy WordBasic macro virus markers, specifically 'ToolsMacro', and is detected by ClamAV as Win.Trojan.Jaja-1. The document body contains alarming messages about a 'Victor Widjaja Virus' threatening data destruction, indicating a social engineering or scareware tactic. The presence of legacy macro code suggests an older, but still potentially harmful, infection vector.

Heuristics 2

  • ClamAV: Win.Trojan.Jaja-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Jaja-1
  • 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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