Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0594dad5ba161c51…

MALICIOUS

Office (OLE) / .DOCX

131.5 KB Created: 2020-09-29 22:12:00 Authoring application: Microsoft Office Word
MD5: 2525d38acc23d1eba0d26f44282833cc SHA-1: 24472e3abb98bed5e5b71711b894911cacd252a5 SHA-256: 0594dad5ba161c51ba71ffbb41c36696b151edf4d1d7738b31a026cd28164a4d
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains a high-confidence detection for Emotet, a well-known downloader family. The presence of a Document_Open macro and CreateObject calls strongly suggests malicious VBA code execution. The ClamAV detection explicitly names Emotet, and the macro's obfuscated nature indicates it's designed to download and execute further stages.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769437-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769437-0
  • 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
46ea4f5c4c1cab321c0ffaa5340d45e7ba78bb5fcec47c12e0336c19b81c43df		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10333 bytes

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