Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 2e3e4d4620fde9c6…

MALICIOUS

Office (OLE) / .DOCX

154.8 KB Created: 2020-10-19 12:20:00 Authoring application: Microsoft Office Word
MD5: 6166549c8e453902b4117a894ad78bcc SHA-1: 3ea388ec11f3054a52c26b3e44b14952844922f8 SHA-256: 2e3e4d4620fde9c6be42e4305dfcf252c59ecc43ba88bde976d51b14b06aa433
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro that executes upon opening. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9780400-0', strongly suggesting the Emotet family. The document body displays a garbled message, a common tactic to trick users into enabling macros. The presence of the 'macros.bas' artifact and the 'CreateObject' call within the VBA code indicate that the macro is designed to download and execute a secondary payload.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9780400-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780400-0
  • 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
1b934c7a6a945d183f556fc460816db0116e14a6233b4c84dca18770500f607e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15515 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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