Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 bd810c94abdf6849…

MALICIOUS

Office (OLE)

13.5 KB First seen: 2012-06-14
MD5: 6cdfff3120bf033fc538806d9edd49ea SHA-1: ba0fe36842fc96615a376ebc428a548c0435471e SHA-256: bd810c94abdf6849e56d866be94df1523cff8ef1f3ad473e69ff3160d59d05ff
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 is identified by ClamAV as Win.Trojan.Wallpaper-1. The document body contains text that appears to be part of a macro, including references to 'autoOpen' and 'FilePrint', suggesting an attempt to execute malicious code upon opening. The presence of these indicators points to a macro-based threat, likely delivered as a spearphishing attachment.

Heuristics 2

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