Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 14341abb6bb85039…

MALICIOUS

Office (OLE) / .DOCX

174.4 KB Created: 2020-10-20 19:38:00 Authoring application: Microsoft Office Word
MD5: bf2ef6a6144f4a9b5bba887441eb77ad SHA-1: 57d9e82ff8523a16a7031696602468582c6c2999 SHA-256: 14341abb6bb85039d0ec948995c679e60a9addac45920d76c1f148f248aa739b
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, including a Document_Open auto-execution macro, and uses CreateObject, which are strong indicators of malicious intent. ClamAV detection explicitly names this as Emotet. The VBA script is heavily obfuscated but its structure suggests it is designed to execute code, likely downloading a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9781039-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9781039-0
  • 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
cc8c4959929e54bcaa17b9379ada4c4b2b5fe7ea894a71f152f85bce5d465abd		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18782 bytes

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