Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6a55c694b39547d0…

MALICIOUS

Office (OLE) / .DOCX

177.0 KB Created: 2020-10-16 10:38:00 Authoring application: Microsoft Office Word
MD5: 545cd838892d0e2c4d250d7fa82a7154 SHA-1: b4425b08e4b1bade59517bdfd1bfc290cb20545a SHA-256: 6a55c694b39547d07a510d221d10a76fc5eba0b96232f1f90724cb491232c016
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 strong indicator of malicious intent. ClamAV detection confirms this, identifying it as Doc.Trojan.Emotet-9778443-1. The VBA macro is designed to execute code upon opening the document, likely to download and run a further stage of the Emotet malware.

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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