Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 08c3a51969b9ccfc…

MALICIOUS

Office (OLE) / .DOCX

144.2 KB Created: 2020-09-29 22:29:00 Authoring application: Microsoft Office Word
MD5: 05fc099cd700b1f5f49da7110bf675ac SHA-1: 228b54e2e0eefb03ad833e75e744aa569e577f03 SHA-256: 08c3a51969b9ccfcd46ad14ef1a7599a798c21e693a582ac6d8f449f77f4fc09
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is identified as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9769425-0', indicating a known Emotet variant. The presence of a 'Document_Open' macro and the use of 'CreateObject' strongly suggest the execution of malicious VBA code. This macro is likely responsible for downloading and executing a secondary payload, a common Emotet behavior.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9769425-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9769425-0
  • 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
236c4e22a64ac61d77ecd3058e389c25a424fb288d33e5ff92abfd3f1b24ea8c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10347 bytes

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