Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5e4eae5b36795c65…

MALICIOUS

Office (OLE) / .DOCX

158.0 KB Created: 2020-12-29 13:14:00 Authoring application: Microsoft Office Word
MD5: dcbfe27a25d71bfb9f77036ca17c242c SHA-1: 0bea4904ab78e9c6d0c71f18eafb13a50426a796 SHA-256: 5e4eae5b36795c653f766853756f64d8b52ae90fb156eff926aa40f2540239a6
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 macro, which is a common technique for malicious Office documents. The ClamAV detection and heuristic firings strongly suggest this is an Emotet downloader variant. The VBA code attempts to open and read from local file paths, which is unusual and may indicate an attempt to access or stage payloads. The presence of VBA macros and the Document_Open auto-execution point to T1059.005 (Visual Basic) and T1566.001 (Spearphishing Attachment).

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
f0a26dbda37cee5a9e56f370f4faad071837ea1fd898646f154d0f1b66a66162		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8375 bytes

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