Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0500d9340ad3906a…

MALICIOUS

Office (OLE) / .DOCX

188.4 KB Created: 2020-09-16 12:20:00 Authoring application: Microsoft Office Word
MD5: 1c6bda6a21bff89db22db7e408e37f08 SHA-1: 6e6745fcbc56c82831496e3a0b97383aabed5e87 SHA-256: 0500d9340ad3906abd3b1e971f21832f7e71b62f0f47ca9e6043f07d29c29bd8
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 sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating malicious intent to execute code. ClamAV detection explicitly names this as Emotet. The macro's obfuscated nature and use of string concatenation for potentially malicious commands suggest it's designed to download and execute a secondary payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762404-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762404-0
  • 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
49b4ebbf014fb7982286797412148a9d5a2325fbd8b23512b4e2381b987c3c86		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21867 bytes

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