Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7e1333c652901847…

MALICIOUS

Office (OLE) / .DOCX

148.8 KB Created: 2020-10-15 16:33:00 Authoring application: Microsoft Office Word
MD5: 035e1bac32a8f0bd6dff5b593a1df86d SHA-1: 32cdba0e79a9535ae57d4fc9a0ad74e1599936db SHA-256: 7e1333c6529018473221519532ee51d04523ad9354f66d62ea599d4bcb9b4a8a
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common characteristic of Emotet. The ClamAV detection explicitly names Emotet. The VBA script uses CreateObject and appears to be obfuscated, likely to download and execute a secondary payload. The presence of macros and the explicit ClamAV detection strongly indicate a malicious document, likely delivered via spearphishing.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9778182-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778182-0
  • 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
73784b5943cf314d0c94351f697d020542e983828c792237442b7715b42f981c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 12871 bytes

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