Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 fad5a05c5424f8b0…

MALICIOUS

Office (OLE)

6.5 KB First seen: 2012-06-14
MD5: 411474473d6b02a2fb36ff1e5b26309b SHA-1: 26e8c303aff6e8755580796dfc853437cbc62d36 SHA-256: fad5a05c5424f8b0946cc224513aa709c6649e8ecbef6bd47d23f90255a58b94
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample exhibits legacy WordBasic macro virus markers, specifically 'RSN MACRO VIRUS', and contains AutoOpen and FileSaveAs VBA functions, indicating it's designed to execute malicious code upon opening or saving. The presence of these markers and functions strongly suggests a macro-based attack designed to spread or execute further payloads, aligning with the characteristics of older macro viruses.

Heuristics 2

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