Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 75048add99a28758…

MALICIOUS

Office (OLE) / .DOCX

142.8 KB Created: 2020-09-25 19:15:00 Authoring application: Microsoft Office Word
MD5: 517786f4df3ad1349f62ce5645daae3d SHA-1: a001dae781650ee541f30b749cef20ec96aa6c88 SHA-256: 75048add99a2875852bc75ae5ca35b799949322fef0dec0c73c42d9063ac0d04
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059 Command and Scripting Interpreter

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The ClamAV detection explicitly names Emotet and identifies the file as a downloader. The VBA code uses CreateObject to likely instantiate and execute a malicious payload.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9768415-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9768415-1
  • 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
f7aec5ed0700c38686fed103b8e955ba1df17f289b657d0b562d676e1e8a24d1		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16307 bytes

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