Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 00403751b3d57bb7…

MALICIOUS

Office (OLE)

147.5 KB Created: 2020-10-15 14:34:00 Authoring application: Microsoft Office Word
MD5: 70ee77dbd958f4efc96af76fed3d3883 SHA-1: 33d211a6ead26318e8ad50fc2f1e1eadc5aeca04 SHA-256: 00403751b3d57bb7db3462a50f8d92445df3848c45c939fd24a81d763844e1b9
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro that is automatically executed. Heuristics indicate a CreateObject call and p-code execution, suggesting the macro is designed to download and execute a secondary payload. ClamAV detection confirms this as Emotet, a known downloader family.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9778224-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778224-0
  • 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
b2c5689ca3757fa4157ea59f16365cb334e68487bb4f8496fb867967402af424		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 12861 bytes

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