Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 70d4e8dfe51521c3…

MALICIOUS

Office (OLE)

214.5 KB Created: 2008-11-18 08:39:00 Authoring application: Microsoft Word 11.3.8
MD5: 200d7f1da0951c47b9118b2a83843757 SHA-1: 39f9ba881680aa8db36c7abeed47a62ae59b57a3 SHA-256: 70d4e8dfe51521c3050ff95a1644782d8ba43f424e0da6efd61ed92eef3a1c9f
182 Risk Score

Malware Insights

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

The sample contains VBA macros, including a Document_Open macro, which is a common technique for malicious Office documents. The macro attempts to manipulate the user by displaying a fake birthday message and threatening consequences if a specific action (wishing 'Shankar' a happy birthday) is not taken. This social engineering tactic aims to coerce the user into enabling macros, which likely leads to further malicious activity. The embedded URL is confirmed benign, and no other IOCs were extracted.

Heuristics 5

  • ClamAV: Doc.Trojan.Marker-40 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Marker-40
  • 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.apple.com/DTDs/PropertyList-1.0.dtd

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
d41c9267beb7aeb9002f6cfedc0d926f627e1f4f0feade367b7ea63422dfcbca		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4225 bytes
Detection
ClamAV: Doc.Trojan.Marker-2
Obfuscation or payload: unlikely

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