Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 48feac63c4df9ef2…

MALICIOUS

Office (OLE)

47.5 KB Created: 2010-04-26 15:21:00 Authoring application: Microsoft Word 11.5.6
MD5: d6ee90a92da393703824f46498ed83ef SHA-1: e22aa5070a8286fb11dbee8c02ac48586d0a5224 SHA-256: 48feac63c4df9ef2c7eff5b3e4629e51a6723631c40c8d6f0e5bb63e7695d178
180 Risk Score

Malware Insights

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

The file is a Microsoft Word document containing VBA macros, with a critical heuristic indicating it's a Doc.Trojan.Marker. The presence of a Document_Open macro suggests automatic execution upon opening. The document body presents academic exercises, a common lure for social engineering. No specific malware family is identifiable from the provided evidence.

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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