Malicious Office (OLE) / .DOCX — malware analysis report

Static analysis result for SHA-256 d074c5c72941bba6…

MALICIOUS

Office (OLE) / .DOCX

50.0 KB Created: 2001-03-28 18:16:00 Authoring application: Microsoft Word 8.0
MD5: 7137f4c2a5f7b52d39c718c418545826 SHA-1: 2e11dc4f73787dd7478de9165cb3d24c189bad3b SHA-256: d074c5c72941bba65c1ca09dfeffdf862784f938e9f19796e96455fa6693d3a6
180 Risk Score

Malware Insights

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

The sample is a malicious Word document containing VBA macros. The 'Document_Open' macro attempts to disable macro security and clear existing VBA code from the document and NormalTemplate. It also attempts to create and then delete a file at 'c:\cont.dbl'. The ClamAV detections 'Win.Trojan.Pivis-2' and 'Doc.Trojan.Akuma-2' suggest a known malware family, but specific attribution is not possible from the provided evidence.

Heuristics 4

  • ClamAV: Win.Trojan.Pivis-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Pivis-2
  • 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
dbf2d2f88cf38561c4c55c1566247eed26ad0a4469117b52c983ecca6436d448		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21391 bytes
Detection
ClamAV: Doc.Trojan.Akuma-2
Obfuscation or payload: unlikely

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