Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 5817de3e4abc449a…

MALICIOUS

Office (OLE)

214.5 KB Created: 2008-11-16 11:41:00 Authoring application: Microsoft Word 11.3.8
MD5: 98a154a0f7c2621fbc3f5acc376b61e1 SHA-1: fbf0315f0299a03a165193ac9b1f854b22aa1c06 SHA-256: 5817de3e4abc449ad1eb6bf24b73982d29681e80354509f42d23996b80532adc
180 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV with multiple critical detections, including 'Doc.Trojan.Marker-40' and 'Doc.Trojan.Marker-2' on an extracted artifact. The presence of a 'Document_Open' macro indicates that malicious code will execute upon opening the document. While the specific payload is not detailed, the macro's presence strongly suggests it's designed to download and execute a second-stage payload. The embedded URL, though benign, was noted.

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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