Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 614bbd1001742252…

MALICIOUS

Office (OLE) / .DOCX

177.0 KB Created: 2020-10-20 20:18:00 Authoring application: Microsoft Office Word
MD5: 998748393848426e782e62291e543e3c SHA-1: 990c43c2cc975be19f90c669c15e721e92de1f4c SHA-256: 614bbd10017422522d46a734ed08de066834e449d5802b036b0231a39b0c043c
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The file is identified as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9781039-0', strongly suggesting the Emotet family. Heuristics indicate the presence of VBA macros, specifically a 'Document_Open' macro that uses 'CreateObject', a common technique for Emotet to download and execute further stages. The obfuscated VBA script further supports this, as it likely contains logic for payload retrieval and execution.

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
3a0ea03d0cd0ea456810f4542b81cbd362ee0487bda83ef13f410b115b67e727		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18739 bytes

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