Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0b56d0c16488f468…

MALICIOUS

Office (OLE) / .DOCX

174.5 KB Created: 2020-10-27 21:28:00 Authoring application: Microsoft Office Word
MD5: 622d06d6c593a80b989640874b777ea7 SHA-1: 4b735c66c4f714025584ddef2beea7f96abe58b9 SHA-256: 0b56d0c16488f468ecee2ca5cd49ad5641fc26dab54e1e9103e23d8602c51d90
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 auto-execution macro, and uses CreateObject, which are strong indicators of malicious intent. ClamAV detection explicitly identifies it as Emotet. The VBA script is heavily obfuscated but its structure and the presence of CreateObject suggest it is designed to download and execute a secondary payload, likely via PowerShell.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
  • 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
8e0ab8816d43bd5ad9c1c0011689607d8d62edfed4931a09dce2c4955c56dadb		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16529 bytes

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