Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 a3a6a87207707cab…

MALICIOUS

Office (OLE) / .DOCX

155.2 KB Created: 2020-10-19 08:55:00 Authoring application: Microsoft Office Word
MD5: cec7f7a4b06761b70808b8ad5e6647c7 SHA-1: c32d0289f784de0d4ea9f6a25879daf173bf1400 SHA-256: a3a6a87207707cab6aabd4e1628d083c15266adfd8a0a74b7a70eb7810f65b18
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

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 garbled document body suggests a lure to trick the user into enabling macros. The detection as 'Doc.Downloader.Emotet-9780414-0' further supports the Emotet family attribution and its typical downloader behavior.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9780414-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780414-0
  • 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
e05e00e5695f255205cdf8f3c815d1b7180582c720372a44ffa69b0bf5e004ae		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15558 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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