Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6b5dcde380ac2b3f…

MALICIOUS

Office (OLE) / .DOCX

192.3 KB Created: 2020-12-21 18:52:00 Authoring application: Microsoft Office Word
MD5: d8f5a0a01f0124f51f7d7ad1bb390d10 SHA-1: acdce28936c7551fdad4e75e8aadaabb5e54f501 SHA-256: 6b5dcde380ac2b3ff7ec7981f62580d4210b9b5e3a118879a3bbf83d85b23bb9
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, specifically a Document_Open auto-execution macro that utilizes CreateObject. This is a common pattern for Emotet malware to download and execute a secondary payload. ClamAV also explicitly detected this file as Emotet.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
  • 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
0bee4d2d99a3fe2575ac8a6b9cb2450b8e166b1a60c085dc11e1f71a2f792fe4		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10271 bytes

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