Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 844fa7e2e8ddb967…

MALICIOUS

Office (OLE) / .DOCX

175.8 KB Created: 2020-10-16 10:38:00 Authoring application: Microsoft Office Word
MD5: 4ce18bf05593d3db144a9f164b94471a SHA-1: b2e1f618cdf32fff10d30a2192a4e0c0ee36f3d8 SHA-256: 844fa7e2e8ddb967031bb8b2907076c09e64e5a9119bfa53df5303338b159265
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file is identified as malicious by ClamAV with the signature 'Doc.Trojan.Emotet-9778443-1', indicating a high likelihood of it belonging to the Emotet family. The presence of a 'Document_Open' macro and the use of 'CreateObject' strongly suggest that the VBA code is designed to execute automatically upon opening the document. This macro likely downloads and executes a second-stage payload, a common Emotet tactic.

Heuristics 6

  • ClamAV: Doc.Trojan.Emotet-9778443-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Emotet-9778443-1
  • 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
dae34bf6e418fa0d8b9b1311becc27775cd875aa2c1a1dc0c8de66f7f57fbc42		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15342 bytes

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