Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 64bf368dda7d1151…

MALICIOUS

Office (OLE) / .DOCX

175.9 KB Created: 2020-10-20 21:25:00 Authoring application: Microsoft Office Word
MD5: b6c0e60264009d165a7904f09db927d9 SHA-1: b20737575c7f9dda81b204b0d45694f52e2180f3 SHA-256: 64bf368dda7d11512d1478656bbeac5aefa274c8c52de6fc0fe4dec6eb57dbaa
202 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 macro that executes a function. This function appears to be designed to download and execute a second-stage payload, as indicated by the ClamAV detection name 'Doc.Malware.Emotet-9781039-0'. The presence of the Document_Open macro and the CreateObject call strongly suggest Emotet activity.

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
71f866a5571402330f425e0ab90aed18ba72c53599dc9c41907ca6e320ae2301		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18801 bytes

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