Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 2d4e6cc0801da749…

MALICIOUS

Office (OLE) / .DOCX

167.6 KB Created: 2020-10-20 05:21:00 Authoring application: Microsoft Office Word
MD5: fb5a84aff62601578e80e1108f8f92c7 SHA-1: ad6f34f788dc2d287bfb74de3c65c13e88935ac0 SHA-256: 2d4e6cc0801da749664fc7164ee3f4b851fe6d1826e968cd5aefcaf3c84c59ce
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for VBA macros, specifically the Document_Open auto-execution and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro named 'macros.bas' further supports this. The ClamAV signature 'Doc.Downloader.Emotet-9780828-0' directly points to the Emotet family, known for its downloader capabilities. The document body appears to be heavily obfuscated or encoded, preventing a clear understanding of its lure, but the technical indicators are sufficient for attribution.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9780828-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780828-0
  • 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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
4588401bd42bd39b75b9dcc9e4ef6377522769140839001e1d2af1038d6019be		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17619 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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