Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7ea90d3b4ad33490…

MALICIOUS

Office (OLE) / .DOCX

187.6 KB Created: 2020-09-16 12:20:00 Authoring application: Microsoft Office Word
MD5: 302e7cfbfd4507e8bfe3a82c4a83e7ee SHA-1: 9a8a5cc0478de79cff1da8808b5d95adae50c026 SHA-256: 7ea90d3b4ad334908431314c72eb852f9c3cf949877b8870a25baabc700df4ec
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, including a Document_Open auto-execution macro, and uses CreateObject, which are strong indicators of malicious intent. ClamAV detection confirms this, identifying it as Emotet. The VBA script is heavily obfuscated but its structure and the presence of auto-execution suggest it's designed to download and run a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762404-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762404-0
  • 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
49b4ebbf014fb7982286797412148a9d5a2325fbd8b23512b4e2381b987c3c86		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21867 bytes

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