Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 e8bb0ddcced009b9…

MALICIOUS

Office (OLE)

17.5 KB Created: 1996-11-20 02:27:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: c030ac4d2890557cc5709d37e1b5a715 SHA-1: ffd2d97d4e47685b21548886156c04051e8d761a SHA-256: e8bb0ddcced009b9de4c9193cd377a8483e5cc56f99b469ff73f1a11ce0d3832
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample exhibits legacy WordBasic macro virus markers, specifically 'FileMacro$', and is identified by ClamAV as 'Doc.Trojan.Twister-1'. The presence of numerous automacro commands like AutoExec, FileSaveAs, and AutoExit suggests the macro is designed to execute automatically and perform malicious actions within the document environment. The specific family is unknown due to the legacy nature and lack of further indicators.

Heuristics 2

  • ClamAV: Doc.Trojan.Twister-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Twister-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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