Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 05eb736917a11db2…

MALICIOUS

Office (OLE) / .DOC

178.3 KB Created: 2020-09-18 13:57:00 Authoring application: Microsoft Office Word
MD5: d6fc518d4f62445e2d1f63b375dee807 SHA-1: 8ad58395da80e38158308bea7e32366811da4dfb SHA-256: 05eb736917a11db255084e194c37d2af8e64f70d50bf4c604bc9eca81198fb74
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro that uses CreateObject. ClamAV identifies this as Doc.Downloader.Emotet-9763587-0. The presence of the Document_Open macro and the CreateObject heuristic strongly suggests the macro is designed to execute malicious code, likely downloading a secondary payload. The Emotet family is known for this behavior.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9763587-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9763587-0
  • 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
d480f4e62437f12b4fdbfa09699c3791dd8e97ee1633f946eb76ef39a2f5d3e4		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20121 bytes

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