Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 4debfcab96ec3053…

MALICIOUS

Office (OLE)

7.0 KB First seen: 2012-06-14
MD5: 99638e4dacd68fa58d342ca6bd4064a1 SHA-1: 3abea776d4782b3178c45eea03428bfaa44b9828 SHA-256: 4debfcab96ec30538499d177dd1f098f826f61aeb865f2771a2e1cfbb099e043
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample exhibits characteristics of a legacy WordBasic macro virus, specifically identified by the 'RSN MACRO VIRUS' marker. The document body contains numerous references to system configuration files such as system.ini, win.ini, and autoexec.bat, suggesting an intent to modify system settings. While no specific malware family is identifiable, the presence of macro code and the manipulation of system files indicate a malicious intent.

Heuristics 2

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