Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 e4427b8895f8ca8b…

MALICIOUS

Office (OLE) / .DOCX

170.0 KB Created: 2021-01-05 12:07:00 Authoring application: Microsoft Office Word
MD5: 69ba21d911a43d4bb74f168568cbd327 SHA-1: 13f0169861501e5633ceedf3ff210cf3c42763c7 SHA-256: e4427b8895f8ca8b41f5612c07905088c64d16fff99c38b49e50c33d20fe9537
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1071.001 Web Protocols

The critical ClamAV detection and high-severity heuristics for VBA macros, including an auto-executing Document_Open macro and CreateObject calls, strongly indicate a malicious downloader. The presence of VBA macros suggests the document's primary purpose is to execute code that downloads a second-stage payload. The ClamAV signature 'Doc.Downloader.EmotetRed02224-9938637-0' directly points to the Emotet family.

Heuristics 7

  • 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.
  • 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
5fd199a84582bf2c4248191e49df05fe3a9d17ab4a6f639ead9a581ea6be129f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10799 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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