Win.Trojan.GreenBay-1 — Office (OLE) malware analysis

Static analysis result for SHA-256 9e4971588bb46640…

MALICIOUS

Office (OLE)

12.5 KB Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 2e2be554c378987aad931937a99e7713 SHA-1: cb8570abb5804fbcbc7b9187ece6cdedc20cc99c SHA-256: 9e4971588bb46640d4097b0824461f33c74e6ee83e0e6255be226ad8efa6e86b
100 Risk Score

Malware Insights

Win.Trojan.GreenBay-1 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The sample was detected as Win.Trojan.GreenBay-1 and exhibits legacy WordBasic macro markers. The document body contains numerous strings related to macro execution, including AutoOpen and AutoExec, and references to creating macros and cleaning them up. The presence of the file path 'C:\WINNT35\SKAMMY.DOC' suggests a potential dropped file or execution location.

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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