Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 ac5567d5357ab776…

MALICIOUS

Office (OLE)

6.5 KB First seen: 2012-06-14
MD5: 8e74e7d3ce2a190765e88370bbd49daf SHA-1: 0e6b681ad08480f5b9d2c91b9f905c3d6ae16510 SHA-256: ac5567d5357ab776b6f6a3c117631c8faabf66cc45c53aa0d7263b8f85737494
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample exhibits characteristics of a legacy macro virus, specifically identified by 'RSN MACRO VIRUS' markers within its document body and heuristic firings. The embedded text, including file paths and author information, appears to be a form of obfuscation or a lure. No scripts were extracted, but the presence of legacy macro virus markers strongly suggests the execution of malicious code via WordBasic.

Heuristics 2

  • ClamAV: Win.Trojan.Twno-10 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Twno-10
  • 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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