Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 363f85f1cc9fca83…

MALICIOUS

Office (OLE)

174.5 KB Created: 2008-10-01 05:00:00 Authoring application: Microsoft Word 11.2
MD5: 52af549a640d360f1193dc069e9f8e62 SHA-1: b1f47cc80bcf2a7527331b84be1400207e78c81c SHA-256: 363f85f1cc9fca833616d392da2feb71f50ca624301377909ac23c80487b18f2
180 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV with the signature 'Doc.Trojan.Thus-8'. Static analysis detected VBA macros, specifically a 'Document_Open' macro, indicating that the document is designed to execute malicious code upon opening. The document body presents itself as an archaeological excavation recording form, likely a social engineering lure to trick the user into enabling macros.

Heuristics 4

  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
148463b71af2433c061c528c6bb7ae214dfa6ef6dc4d157d2709c1351df19400		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2349 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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