Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 4fa9c3d4c142b493…

MALICIOUS

Office (OLE)

10.0 KB First seen: 2012-06-14
MD5: caaca149582eb66d413499b690ac0605 SHA-1: dbfa9439be602bc21fb94cd327717ffe03129ae2 SHA-256: 4fa9c3d4c142b4932f83a4f0cbf344097d5390646f14b2959931296c55207be2
100 Risk Score

Malware Insights

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 "Goat file" designation. The presence of WordBasic macro virus markers strongly suggests the use of Visual Basic for macro execution. While no specific IOCs like URLs or hashes were extracted, the historical nature and macro-based infection vector are clear.

Heuristics 2

  • ClamAV: Win.Trojan.Uhrjap-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Uhrjap-2
  • 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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