Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 303301dedc27916a…

MALICIOUS

Office (OLE)

33.0 KB Created: 2009-01-23 16:37:00 Authoring application: Microsoft Word 10.1
MD5: d4c496555ecfab9f339511e926e796ed SHA-1: b439660fdc159a190881b7c7bdecbe3df5840450 SHA-256: 303301dedc27916a37832c8732470b8972df56c73c0da0d9cb5c741fce413311
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 a VBA macro, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening. The document body is formatted as a resume, suggesting a social engineering lure to trick the user into enabling macros. The ClamAV detection 'Doc.Trojan.Thus-8' further confirms its malicious nature. No specific IOCs like URLs or hashes were extracted from the macro itself.

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
cabec65225b78f8c919c7d53833d589ec97934977c8ac694201cf922361ba7ff		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2400 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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