Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6adf12a084ccf2eb…

MALICIOUS

Office (OLE) / .DOCX

193.0 KB Created: 2020-12-21 21:21:00 Authoring application: Microsoft Office Word
MD5: 7bf2aefbd6d79b1ef6a7ad7480511a7a SHA-1: 484160fa29aa03cd3aec526f536d11917172acd5 SHA-256: 6adf12a084ccf2eb6dd19a35742a35f03bcba878416ef83b9c520e17d55ac329
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 was detected as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-10024800-0', indicating a known Emotet variant. The presence of a 'Document_Open' VBA macro that uses 'CreateObject' strongly suggests the macro is designed to download and execute a secondary payload. The obfuscated nature of the VBA code and the truncated document body prevent a more detailed analysis of the script's specific actions.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
  • 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
8aae0e70694468f75c3b71f11fefc9e062894c6e53b1f2a4dd3530766c509e7d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10278 bytes

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