Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5bbc50e7511d96f3…

MALICIOUS

Office (OLE) / .DOCX

190.4 KB Created: 2020-09-21 14:08:00 Authoring application: Microsoft Office Word
MD5: 21e1b259ff8e6147950184d327adc0ac SHA-1: 8ce522f2e1eaae869d4416dc160bdae04ccd0fb6 SHA-256: 5bbc50e7511d96f3499f30c3000fa522641f4988ac06bab6016fe595a5f31ef7
242 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The presence of CreateObject and GetObject calls further indicates malicious macro activity. The ClamAV detection explicitly names Emotet, providing strong family attribution. The macro's primary function appears to be executing code, likely to download and run a secondary payload.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9765432-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9765432-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
5f8ddf3f75befd9059f3326eb9e354f14c2179c2257f61708817109610baf98e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19074 bytes

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