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

Static analysis result for SHA-256 ec338f11eb297e4f…

MALICIOUS

Office (OLE)

18.5 KB Created: 1997-06-23 19:40:00 Authoring application: Microsoft Word for Windows 95 First seen: 2012-06-14
MD5: f6fda5a49123875bcbf2c8e7b3652ca0 SHA-1: b6044f8c3e046cc4fcf78091d2d8b03270c36baa SHA-256: ec338f11eb297e4fd9287ab33adf9c352cc1706055c03d383681bc696195f336
100 Risk Score

Malware Insights

Win.Trojan.Lunar-1 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The sample was detected as Win.Trojan.Lunar-1 by ClamAV and exhibits legacy WordBasic macro virus markers. The document body references "WM.Lunar.a virus" and "encrypted version", strongly suggesting a malicious macro-based payload. The presence of legacy macro virus markers points to the use of Visual Basic for macro execution.

Heuristics 2

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