Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 99f702bf647ee475…

MALICIOUS

Office (OLE)

69.0 KB Created: 2010-09-09 18:00:00 Authoring application: Microsoft Word 11.5.6
MD5: aa604a966f1b5f7169cffae852f547a1 SHA-1: 4460765f17374af78078e9cb456f8607d896608e SHA-256: 99f702bf647ee47549d7cc26b24514d077a0cf7139c0f8e11fb34e93bb9bad61
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The sample is a malicious Microsoft Word document containing VBA macros, specifically a Document_Open macro. The document body presents a fake invoice or order form, attempting to trick the user into visiting the embedded URLs http://www.SourceOregon.com and http://www.ompa.org. The presence of the Document_Open macro and the embedded URLs strongly suggest a social engineering attack aimed at directing users to malicious sites.

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.SourceOregon.com
    • http://www.ompa.org

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
6f39991bcdc7fb1acdcd22d11cedcf24661d1b9f315853e13759c0de936b8084		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2365 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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