Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 29a132c6ed3e841b…

MALICIOUS

Office (OLE)

35.5 KB Created: 2005-09-27 19:28:00 Authoring application: Microsoft Word 10.1
MD5: 1ce5bce619076fcff01faba9f40db5ce SHA-1: a8cc7b3013868bdd218a873dbe3cfc43ba2b8110 SHA-256: 29a132c6ed3e841b1bd150ee0edf8ffda2bc14c80fabe1f0d194f0c501ec6003
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications

The file is a macro-enabled Office document, identified by ClamAV as malware. The presence of a Document_Open macro indicates that malicious code will execute automatically upon opening the document. No specific family could be identified, but the macro execution is the primary attack vector.

Heuristics 4

  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
4d840735f64370eed491ae174d4c3cebc63d105512970d4d44c50b8d8ee19f18		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4261 bytes
Detection
ClamAV: Doc.Trojan.Marker-2
Obfuscation or payload: unlikely

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