Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6203971a2e4b2463…

MALICIOUS

Office (OLE) / .DOCX

144.4 KB Created: 2020-09-29 22:29:00 Authoring application: Microsoft Office Word
MD5: 7534bde875afd79ac12673d26c0411dc SHA-1: 927e95059365dc232c56c10b7c4885a218259cb5 SHA-256: 6203971a2e4b246318cba558f864664aacc3cc5dae07aa3b8ce1fa6fb17d590d
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names Emotet, and the presence of CreateObject calls within the macro suggests the execution of arbitrary code, likely to download a secondary payload. The obfuscated nature of the VBA code and the high heuristic scores further support this assessment.

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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