Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 2b82507a9e2d2066…

MALICIOUS

Office (OLE)

8.0 KB First seen: 2012-06-14
MD5: ed2a0c1a282161a0a7a7e15616a9baf6 SHA-1: 1b41a55737f157b878dcbcce0ba5523dfbf992bd SHA-256: 2b82507a9e2d206639cdb8e9da0c17a3595330b273b59a10fec44e4d03fa35c8
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file exhibits characteristics of a legacy macro virus, specifically identified by the 'RSN MACRO VIRUS' marker and ClamAV detection as 'Win.Trojan.Nuclear-5'. The document body contains numerous macro-related keywords and function names, indicating its primary function is to execute embedded malicious code. The presence of legacy macro virus markers strongly suggests a malicious intent to replicate or spread.

Heuristics 2

  • ClamAV: Win.Trojan.Nuclear-5 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Nuclear-5
  • 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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