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

Static analysis result for SHA-256 21b5d8041851b553…

MALICIOUS

Office (OLE)

8.0 KB First seen: 2012-06-14
MD5: 9912888cab2afacd766408e3206dcfce SHA-1: b131e846ea53518e6c839a691a1dfea6caf056e9 SHA-256: 21b5d8041851b5531ebf284c9b0b82402b264d9d44d8ac2ef9063fc1172503c4
100 Risk Score

Malware Insights

Win.Trojan.Pesan-1 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The sample exhibits characteristics of a legacy macro virus, specifically identified by the 'RSN MACRO VIRUS' marker and the 'Win.Trojan.Pesan-1' ClamAV detection. The document body contains numerous strings related to macro execution and file saving, suggesting an attempt to trick the user into enabling malicious macros. The presence of legacy WordBasic markers strongly indicates a macro-based attack.

Heuristics 2

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