Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 60e75d4083a16372…

MALICIOUS

Office (OLE) / .DOCX

158.0 KB Created: 2020-10-20 04:30:00 Authoring application: Microsoft Office Word
MD5: d5365ffe1e37ae305880cdc61e909846 SHA-1: fe80fd882b511e002eb829f8a314f2cb279a2800 SHA-256: 60e75d4083a16372c4e4b2fbb32241d576d2c25e2e72eea6cb414f19cb470caa
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample is a Microsoft Office document containing a large VBA macro, specifically triggered by the Document_Open event. Heuristics indicate the use of CreateObject and p-code execution, common for downloading and executing further stages. ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9780400-0', strongly suggesting the Emotet family. The VBA macro itself is heavily obfuscated, but its presence and the associated heuristics point to a downloader functionality.

Heuristics 6

  • 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.
  • 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
bec182db065394791f950a49edfb2bfa66cb6693b62758841681c782964c8b6d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15615 bytes

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