Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0a72f410fe525489…

MALICIOUS

Office (OLE) / .DOCX

139.1 KB Created: 2020-09-30 06:24:00 Authoring application: Microsoft Office Word
MD5: 9deeefa9be695a36f275d00bc70c390e SHA-1: 4f5ade8db8d6a5834b8889594087d9f74a26960d SHA-256: 0a72f410fe5254890d7fa49499a305fe366a747e010e5e84cbb1e6f60c425b20
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open auto-execution macro, which is a common Emotet infection vector. The macro uses CreateObject to instantiate objects, likely for downloading and executing additional malicious content. The ClamAV detection explicitly names this as Emotet, increasing confidence in the family attribution.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769539-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769539-0
  • 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
bf242d2b3eef8a928e95104450a1995792bbbbd70e8fa1b795dc489b41229ac6		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10567 bytes

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