Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 173d3683f3f267d1…

MALICIOUS

Office (OLE) / .DOCX

140.1 KB Created: 2020-09-30 06:24:00 Authoring application: Microsoft Office Word
MD5: 21eb01a9129664d86395734ed5a34562 SHA-1: 8bba1e1dd9c436e5b17fb0672ff49d3d8e33fcff SHA-256: 173d3683f3f267d179bd0a2861ce23edcef457430364fac577f89dea9c9950b0
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains a Document_Open VBA macro, a common Emotet infection vector. The macro utilizes CreateObject to execute obfuscated code, likely to download and run a secondary payload. ClamAV detection explicitly identifies this as Emotet, reinforcing the assessment.

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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