Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 2a19b41eb5b52c09…

MALICIOUS

Office (OLE)

67.5 KB Created: 2008-01-10 11:45:00 Authoring application: Microsoft Word 11.0
MD5: f6838ac16c752e2c4cdeed34c362da9b SHA-1: 24bb02223bf985dbce1388c541cb2fb2cfb35a05 SHA-256: 2a19b41eb5b52c09b679b269930fc224058aa11538870f1cd3c7d789abcb0f21
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file contains a VBA macro, specifically a Document_Open macro, which is a strong indicator of malicious intent. The macro is likely responsible for downloading and executing a secondary payload from one of the embedded URLs. The ClamAV detection further supports the malicious classification. The document body itself appears to be unrelated promotional text for a DJ, suggesting it's a lure.

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.djberu.net
    • http://www.testcrew.org
    • http://www.ozore.org
    • http://www.myspace.com/djberu

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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