Win.Trojan.Dementia-4 — Office (OLE) malware analysis

Static analysis result for SHA-256 0aa9415abb245f68…

MALICIOUS

Office (OLE)

8.0 KB First seen: 2012-06-14
MD5: 7237fa4331734f5476a6a2e4152de3d9 SHA-1: 561846a18059219cc7a2266e695edb6cf71fcea8 SHA-256: 0aa9415abb245f687b9c5e436ebbc2d83ef50d5c1fbcb2eaf114b9ccb513c1ed
100 Risk Score

Malware Insights

Win.Trojan.Dementia-4 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The sample exhibits characteristics of a legacy macro virus, specifically identified as 'Win.Trojan.Dementia-4'. The presence of 'RSN MACRO VIRUS' markers and the explicit mention of 'Dementia' in the document body, along with the inclusion of AutoOpen and AutoClose subroutines, strongly indicate an attempt to execute malicious code upon document interaction. These elements suggest the file is designed to spread or perform malicious actions through macro execution.

Heuristics 2

  • ClamAV: Win.Trojan.Dementia-4 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Dementia-4
  • 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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