Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 09f079c8e9f8858e…

MALICIOUS

Office (OLE) / .DOCX

183.0 KB Created: 2020-10-30 14:06:00 Authoring application: Microsoft Office Word
MD5: c0b435439a0cb830c61a72898a4b5a90 SHA-1: ab6ecbf60c29b4da7224cd00b88082ba2af3dab3 SHA-256: 09f079c8e9f8858e700b7431c9d8468f8255fb2bc4d7209d58904cd90a7e62f8
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample was detected as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9785300-0', strongly indicating the Emotet family. High-severity heuristics confirm 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 itself is heavily obfuscated but the presence of CreateObject and the auto-execution function point to malicious intent.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9785300-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9785300-0
  • 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
953bcc7800f8e12231199058de4be56a41e5df3186000111c4b5440de64866f2		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17395 bytes

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