Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 3147ad64c7f2632b…

MALICIOUS

Office (OLE)

54.5 KB Created: 2008-02-12 16:47:00 Authoring application: Microsoft Macintosh Word
MD5: 87c2ae1c971f56f24cf990af32d2d72a SHA-1: c37d25e9ca0a26dab643662e7576caf6c90f3f19 SHA-256: 3147ad64c7f2632bdea426d6ee3d415753fe3df7430a33bd5a59c0adba54c201
180 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The document contains VBA macros, specifically a Document_Open macro, which is a strong indicator of malicious intent. The document body attempts to appear as a school project guide, directing the user to 'www.bibme.org' for bibliography help. This URL is likely a lure to download a secondary payload. The ClamAV detection 'Doc.Trojan.Thus-8' further confirms 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://www.bibme.org
    • http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
1f1df94b445fd9240b18e6a7025cc8d56852d3354ce5e7154d45dc7fe82c79c3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2385 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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