Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6b199ce53786e464…

MALICIOUS

Office (OLE) / .DOCX

185.8 KB Created: 2020-10-30 04:19:00 Authoring application: Microsoft Office Word
MD5: 7ba035d35d778e99b83bc3fb4bbb2869 SHA-1: d6c4f46ea4f18dd539217f18fa6578679f425ac3 SHA-256: 6b199ce53786e4647258111798d4a9f14df4220415ed15639338c5860d98695a
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is identified as malicious by ClamAV with a specific Emotet signature. Heuristics indicate the presence of VBA macros, specifically a Document_Open macro that uses CreateObject, suggesting an attempt to execute code upon opening. The VBA script is heavily obfuscated but contains string concatenations that, if fully reconstructed, would likely reveal malicious URLs or commands. The presence of a Document_Open macro and the Emotet signature strongly suggest this is a spearphishing attachment designed to deliver a malicious payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
  • 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
f7e154fbc1687723523f4f201e3a1591c84897657fe14056a01af3060d347cbe		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17509 bytes

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