Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5f41c6d26db569d6…

MALICIOUS

Office (OLE) / .DOCX

185.4 KB Created: 2020-10-30 04:19:00 Authoring application: Microsoft Office Word
MD5: ccdb5e435e4c165bbce24223f469a2d5 SHA-1: 0ba60e208ddc50dcb62bba8ff29fc3cb1b8cf1a4 SHA-256: 5f41c6d26db569d644da86fdc71dd2448e2850998f476944b09e1338411210f8
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The macros utilize CreateObject and obfuscated code, indicating an attempt to deobfuscate and execute a payload. The ClamAV detection explicitly names Emotet, further supporting this classification.

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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