Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 2cfb0e149b662ed5…

MALICIOUS

Office (OLE)

7.5 KB First seen: 2012-06-14
MD5: fc55a8e2b30f6ef550876700ef8fc931 SHA-1: 0a832e041ddb812a080efec53c059352f62a8077 SHA-256: 2cfb0e149b662ed587cb57702751ea873f54cb35e690ea39f276a7182707c93a
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample exhibits characteristics of a legacy macro virus, specifically identified by the 'RSN MACRO VIRUS' marker and the presence of WordBasic macro virus markers. The document body contains embedded text that appears to be an attempt to obfuscate the malicious content, including file paths and the mention of 'AutoOpen' and 'DISASTER' macros, suggesting an intent to execute malicious code upon opening.

Heuristics 2

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