Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 781cd4cbec924cc4…

MALICIOUS

Office (OLE)

29.5 KB Created: 1601-01-01 00:00:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 733840e2ac182380d621abd2f3debdcc SHA-1: 94ca5a4bbf3fe196331270f486af31aeb8be6f64 SHA-256: 781cd4cbec924cc4032eaef8da1be6be4f227a81355c8a9746e31086c856f0ad
80 Risk Score

Malware Insights

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

The file is detected as 'Doc.Trojan.Bilbo-1' by ClamAV, indicating malicious intent. The presence of a legacy WordBasic auto-exec macro marker ('FileOpen') suggests the document is designed to automatically run code upon opening. The document body presents a timesheet, a common lure to trick users into enabling macros, which would then likely execute the detected trojan.

Heuristics 2

  • ClamAV: Doc.Trojan.Bilbo-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Bilbo-1
  • Legacy WordBasic auto-exec macro marker medium OLE_LEGACY_WORDBASIC_AUTOEXEC
    OLE Word document contains a legacy WordBasic auto-execution marker such as AutoOpen, but no modern VBA project was recovered and no stronger macro-virus family marker was present. This is analyst-facing evidence for old Word macro execution surface, not a downloader or parser-CVE attribution by itself.

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