Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 d909913836ef472f…

MALICIOUS

Office (OLE)

53.0 KB Created: 2008-08-17 15:45:00 Authoring application: Microsoft Macintosh Word
MD5: f0d93abd4c9f299d5d99b656658d453b SHA-1: 37875ad6fdb933a2f7a145a9fd7f369b1f228ece SHA-256: d909913836ef472f9d0749e69760afbf383cf2b0615bec11112d494607b59d21
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The sample is an OLE document containing VBA macros, specifically a Document_Open macro, which is a common technique for initiating malicious activity upon opening the file. The document body contains a hyperlink to 'http://wiki.marincatholic.org', suggesting a social engineering lure to direct the user to a potentially malicious website. ClamAV detection as 'Doc.Trojan.Thus-8' further supports the malicious nature of the file.

Heuristics 5

  • ClamAV: Doc.Trojan.Thus-8 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Thus-8
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://wiki.marincatholic.org
    • http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
95707a737f50b68c3ac8f7f048dacaac0f7c3e364a81ee6ace87879132907c61		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2341 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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