Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6bf81411d61f2c12…

MALICIOUS

Office (OLE) / .DOCX

143.1 KB Created: 2020-09-29 09:08:00 Authoring application: Microsoft Office Word
MD5: 8205e9d78ce6a224370bb0f30be29899 SHA-1: e1fd7a9f69c8fe0822c43b05be0c1835f798c161 SHA-256: 6bf81411d61f2c12f50659b67126239ab60ede0f3f94b12ca6a2082fe97f613d
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 presence of a Document_Open macro, a CreateObject call, and VBA p-code auto-execution strongly suggests malicious intent. The ClamAV detection as 'Doc.Downloader.Emotet' further supports this, indicating the macro likely downloads and executes a secondary payload. The obfuscated nature of the VBA script prevents a more detailed analysis of its specific actions.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769137-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769137-0
  • 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
2f5b3223d32b6b79c027453efef3c5410c27df5205b9cb2b32dd9a1e0304e007		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8132 bytes

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