Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 139c1c2329d28807…

MALICIOUS

Office (OLE) / .DOCX

187.7 KB Created: 2020-09-16 12:20:00 Authoring application: Microsoft Office Word
MD5: 075e9afd790b05c2856ce0e3325d50bf SHA-1: 39237ea8c96306a033f7ce288ebe29471c5d4c55 SHA-256: 139c1c2329d28807c00378921a8d8094f2520f44c3b6d71e8683f58ef5433c75
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is identified as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9762404-0', indicating a high likelihood of it belonging to the Emotet family. The presence of a Document_Open VBA macro, along with CreateObject calls and p-code execution, strongly suggests that the macro is designed to download and execute a secondary payload. The obfuscated nature of the VBA code further supports this assessment.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762404-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762404-0
  • 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
49b4ebbf014fb7982286797412148a9d5a2325fbd8b23512b4e2381b987c3c86		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21867 bytes

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