Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 49fec252fcd0d9fa…

MALICIOUS

Office (OLE)

6.5 KB First seen: 2012-06-14
MD5: c67c67d8e24d44cfc12c2e054cb099ed SHA-1: 735dbadf99cd86241b2fac6240b3473e251ea84d SHA-256: 49fec252fcd0d9fa2a4ab4bf2f63f6c73041c7a37aca41d95dd323a0830f5f3e
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 and the "Goat file" designation. The document body contains explicit references to "RSN MACRO VIRUS Goat file" and includes a legacy AutoOpen macro, which would have executed automatically upon opening the document. This suggests an intent to spread via macro execution, a common technique for older malware.

Heuristics 2

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