Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 616b28a8c1379e49…

MALICIOUS

Office (OLE) / .DOCX

153.8 KB Created: 2020-09-23 06:50:00 Authoring application: Microsoft Office Word
MD5: 2ed24297fe1e1976e2f62566b7bb04d2 SHA-1: 22a8b29df6a03a64205b2debf41c54685c5a5119 SHA-256: 616b28a8c1379e490a31dcfa8e01abb0ead8f3123fefc1216d5d4cc31fcaf7c0
242 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, including a Document_Open macro that is configured to execute automatically. Heuristics indicate the use of CreateObject and GetObject, common for downloading and executing payloads. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9765526-0', strongly suggesting Emotet family and a downloader functionality.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9765526-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9765526-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
b9cffb0e79babc4a34c180b4e03d44a772a85b301d6c58e52fd57eb504592664		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19838 bytes

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