Win.Trojan.CeeFour-2 — Office (OLE) malware analysis

Static analysis result for SHA-256 2e2ddfa8af1ab76b…

MALICIOUS

Office (OLE)

10.0 KB First seen: 2012-06-14
MD5: 1304af6b0a906d10ce657ca605d65640 SHA-1: a77a5bbff9ece2f2e8dd40d10f485d6ee9471acf SHA-256: 2e2ddfa8af1ab76b4d65241ee2ddf17b2b3899964eaef45c56de07515b92fe07
100 Risk Score

Malware Insights

Win.Trojan.CeeFour-2 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The sample exhibits legacy WordBasic macro virus markers and is identified by ClamAV as Win.Trojan.CeeFour-2. The document body contains text that appears to be part of a macro or script, including references to 'RSN MACRO VIRUS' and 'CeeFour', suggesting an attempt to execute malicious code via macros. The presence of these markers and the ClamAV signature strongly indicate a macro-based threat.

Heuristics 2

  • ClamAV: Win.Trojan.CeeFour-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.CeeFour-2
  • 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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