Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0316ae38f6aa57cd…

MALICIOUS

Office (OLE) / .DOCX

173.4 KB Created: 2020-09-16 13:35:00 Authoring application: Microsoft Office Word
MD5: 001790968376ce0ae28282281c3e0667 SHA-1: ee331401002110fd58cc91f1000fdc5b763f2da1 SHA-256: 0316ae38f6aa57cd2f8fb8081311cbc614e0ab5b008e8aad5f62dd2bef7d8389
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059 Command and Scripting Interpreter

The file is identified as malicious by ClamAV with a specific Emotet signature. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. The VBA script itself is heavily obfuscated but its structure and the presence of the Document_Open macro strongly suggest it is designed to download and execute a secondary payload, a common Emotet behavior. The benign URL found is not considered a threat IOC.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762108-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762108-0
  • 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
0bb2e800f836433b719494fb3a2cf1fc895dd947fc7213e26f377d26b01e1554		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 22004 bytes

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