Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 13aaf60c5fbfdcb7…

MALICIOUS

Office (OLE) / .DOCX

188.9 KB Created: 2020-09-29 13:18:00 Authoring application: Microsoft Office Word
MD5: 68c4431c711cb600ceb5d80b73ef0df2 SHA-1: 3ac80d2b421048031002f891b8c2a87101ec3c97 SHA-256: 13aaf60c5fbfdcb7f019550f63e6064741b1d5fe56c9e8a1da727c4cf61d0a5b
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, which is a common characteristic of Emotet. The macro uses CreateObject to execute obfuscated code, strongly suggesting it's designed to download and run a secondary payload. The ClamAV detection also explicitly names Emotet.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9769343-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9769343-0
  • 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
3466a25e0ec8edf0a3d6ff61e66e8183246c716be04ca7cccaa39032367b5dbf		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10303 bytes

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