Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6abc2d7240caf424…

MALICIOUS

Office (OLE) / .DOCX

164.2 KB Created: 2020-10-01 15:57:00 Authoring application: Microsoft Office Word
MD5: 48a2da91fa23e008f7dd613d2d498434 SHA-1: 040e6842aa4ab87d688bf4caa2cf039333b24079 SHA-256: 6abc2d7240caf424804c664b0a1dd93ea28cbbc13c85990a392272d85b658eaa
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The sample is identified as malicious by ClamAV with a specific Emotet detection name. Static analysis reveals the presence of VBA macros, including a Document_Open auto-execution macro that utilizes CreateObject. This indicates the macro is designed to execute code, likely to download and run a secondary payload, a common Emotet tactic. The VBA macro itself is the primary IOC.

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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