Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 69e669abaf2af59f…

MALICIOUS

Office (OLE) / .DOCX

155.6 KB Created: 2020-10-16 19:32:00 Authoring application: Microsoft Office Word
MD5: c54adec08be9e6979e031d24558802e5 SHA-1: a5739bffb6e1a1b7eece126e97371b1c0e9ad4e9 SHA-256: 69e669abaf2af59fb872755c1dbaac25b25cc27d4dd460db7162fe8b3ebdb158
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample was identified as malicious by ClamAV with a signature indicating Emotet. Heuristics confirm the presence of VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. The VBA script itself is heavily obfuscated but contains calls to CreateObject, suggesting it's designed to download and execute a second-stage payload. The ClamAV detection name strongly suggests the Emotet family.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9778628-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9778628-0
  • 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
d7b10db6ad3bff10dd176d31b83ada7ffa72a5d7b1b67bb513aee8ccfc4d5f3f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15292 bytes

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