Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 d21e80a5f3dd470f…

MALICIOUS

Office (OLE)

63.5 KB Created: 2009-12-26 14:44:00 Authoring application: Microsoft Word 11.5.6
MD5: 33221575a5e67a958a9eab936f631651 SHA-1: 55aa13a8671737a9fcee59a1eabd3d654b217e1f SHA-256: d21e80a5f3dd470f528355d410c8c78f06bdbdbc550ebc04ed229b3c4bd48a16
180 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file contains VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening the document. The document body presents itself as a resume, but embeds several unknown reputation URLs, suggesting a lure to phishing or malware distribution sites. The ClamAV detection as 'Doc.Trojan.Thus-8' further supports its malicious nature. The primary attack vector appears to be social engineering through a seemingly legitimate document to redirect users to malicious websites.

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.beijaflorparis.com
    • http://www.rueroyalearchitectes.com/contact
    • http://www.ofaj.org
    • http://www.edaic.fr
    • http://www.aria.archi.fr/produits/Pienza/txt.html
    • http://www.lyon.archi.fr

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
a5c6a312d435fbe0dbbdb44a7eb4b8ca28801dadc0b47266138cf2d5f32abe40		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2364 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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