Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 5d1a8e49fc69b8cf…

MALICIOUS

Office (OLE)

49.0 KB Created: 2009-04-14 04:13:00 Authoring application: Microsoft Word 11.0
MD5: 7dc15e020c975dd754434aac3b4ea51d SHA-1: c6910985b5835b1dc82cd4e30833312e5956471e SHA-256: 5d1a8e49fc69b8cf8809fc286312aa2a2e867f5cd4e15f4940d8b5107401d5fb
182 Risk Score

Malware Insights

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

The sample is a malicious Word document containing a VBA macro that executes upon opening. The macro attempts to disable virus protection and appears to be designed to download and execute a second-stage payload, as indicated by the ClamAV detection 'Doc.Trojan.Thus-8'. The document body presents a fake application for an 'iMedia Certificate Program' at WKU, likely a pretext to trick users into interacting with the malicious content and potentially harvesting personal information.

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://wkufusion.com/imedia/iMedia.pdf
    • http://www.wkuimedia.ning.com

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
2f23ddd3d6f1ef886cf3ed642869de200e5704494ea5ed0782cfc25354ad0920		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2333 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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