Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 07d50b9ddd52a094…

MALICIOUS

Office (OLE) / .DOCX

156.2 KB Created: 2020-10-16 19:32:00 Authoring application: Microsoft Office Word
MD5: 962e5830b59e78e927f983fd368ca05d SHA-1: bb298455d57b8cd411eae9620d6dff3a12d5b4c6 SHA-256: 07d50b9ddd52a094d9ade84a00025402b6b55151fb79b6c1709b4019708e9660
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 is identified as malicious by ClamAV with a specific Emotet signature. High-severity heuristics indicate the presence of VBA macros, including a Document_Open auto-execution macro and a CreateObject call, which are commonly used by Emotet to download and execute further stages. The VBA script confirms the use of CreateObject, a technique often employed to launch malicious payloads.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9778628-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9778628-0
  • 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
d7b10db6ad3bff10dd176d31b83ada7ffa72a5d7b1b67bb513aee8ccfc4d5f3f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15292 bytes

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