Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 16f861770a0fce36…

MALICIOUS

Office (OLE) / .DOCX

159.9 KB Created: 2020-09-15 21:35:00 Authoring application: Microsoft Office Word
MD5: 6885a66e1db621445de2f11baa4c50c5 SHA-1: da7d8612080c2ef19b7fe6046e551edcb92edbc6 SHA-256: 16f861770a0fce369ed5f6a5082844ecf21c3acd315452f28a8d75bda5aef6d0
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is a malicious Office document containing VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. ClamAV detection confirms it as Emotet. The VBA code appears to be obfuscated but is designed to execute a payload, likely downloading and running a second-stage malicious file.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762290-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762290-0
  • 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
48aeeefcb5ab39bdc7a9844f7217739e7dc8c9cb3f8a901965d3ff17ec851125		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25311 bytes

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