Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 e549009434a76093…

MALICIOUS

Office (OLE)

46.5 KB Created: 2009-09-29 15:56:00 Authoring application: Microsoft Word 11.5.3
MD5: f13de8caf2a6711f0953b3073d4280df SHA-1: 49b1e5e80c11619399bac1597977a76571ee5e0d SHA-256: e549009434a760936aa7f9155348d602b8182eda2ca1f7c2d951462a1a1f5256
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file contains VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening a document. The document body presents a list of hyperlinks disguised as academic resources, likely intended to trick the user into clicking them. While the specific payload is not detailed, the presence of macros and the lure suggest a phishing or credential harvesting attempt. The ClamAV detection as 'Doc.Trojan.Thus-8' further supports its malicious nature.

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.bio.mq.edu.au/units/biol316_pwd/Lecture9/lecture9.html
    • http://www.yukonplacersecretariat.ca/fish/benthic.html
    • http://www.bio.mq.edu.au/units/biol316_pwd/Lecture9/lecture9.htmlCanada’s
    • http://www.uta.edu/biology/alie/1282/Animal%20Phyla.pdf
    • http://www.aquatic.uoguelph.ca/inverts/diver/freshmarine.htm
    • http://www.uta.edu/biology/alie/1282/Animal%20Phyla.pdfDescription
    • http://www.aquatic.uoguelph.ca/inverts/diver/freshmarine.htmBenthic

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
25c979216a3e5338ffd12d5339c82e0857536b35ddcf09baeac483f2a0b7d4ba		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2366 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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