Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 66b2823c1c92be5e…

MALICIOUS

Office (OLE) / .DOCX

173.8 KB Created: 2020-10-20 14:16:00 Authoring application: Microsoft Office Word
MD5: 8ed69d968525ef6c306df3a88484257d SHA-1: 6d654ef8bc0944a79104fa440b96b6595571f588 SHA-256: 66b2823c1c92be5e6a57845608811e8adeb4494b456aaad4a6c280aae34a6359
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is identified as malicious by ClamAV with a high-risk score, and heuristics indicate the presence of VBA macros, specifically a Document_Open macro that uses CreateObject. This suggests the macro is designed to execute arbitrary code, likely to download and run a secondary payload. The Emotet family is strongly indicated by the ClamAV detection name.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9781039-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9781039-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
417a16a51c05c178612698fd783ed577ce9b3b76b7f937b9782e824861e12aec		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18804 bytes

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