Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5c1a82068482e028…

MALICIOUS

Office (OLE) / .DOCX

240.5 KB Created: 2020-10-28 10:47:00 Authoring application: Microsoft Office Word
MD5: 4ebb683a794bd6b6b5036a0a4e0206a3 SHA-1: 08d47a4faad9a6a35ae42e4d96454d0073f32884 SHA-256: 5c1a82068482e028454463db245bd38ae56212f951d1949f9d4dff5bf660f026
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is identified as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9784450-1'. Static analysis revealed the presence of VBA macros, specifically a 'Document_Open' macro that utilizes 'CreateObject' for execution. This indicates the document is designed to automatically run malicious code when opened, a common tactic for Emotet malware to download and execute further stages.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
  • 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
46faaf06a16ada9e49d018565258705c67fc1202bb8b7fa1b6772e3ca9589e8c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17107 bytes

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