Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 342a7b85008c247d…

MALICIOUS

Office (OLE) / .DOCX

162.9 KB Created: 2020-10-01 15:57:00 Authoring application: Microsoft Office Word
MD5: 46bacbe84505f28954012afd8b6afb66 SHA-1: 8f5856c0d4349d74803e31dbf3ce7b1ce2af8b30 SHA-256: 342a7b85008c247d311a143f9b3442808785c4ecfec64c4e779475229857894b
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 was detected as malicious by ClamAV with the signature Doc.Malware.Emotet-9770197-0, indicating a known Emotet variant. High-severity heuristics indicate the presence of a Document_Open VBA macro that uses CreateObject, a common technique for Emotet to download and execute further stages. The VBA code is heavily obfuscated, making it difficult to determine the exact payload or C2 communication, but the overall pattern is consistent with Emotet's behavior.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9770197-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9770197-0
  • 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
34626713db5720b3147c8823fb8dfd0fe34a12fce4df5a0aa65f24e3eab9d078		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10368 bytes

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