Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 16b04fec1fdcdf3e…

MALICIOUS

Office (OLE) / .DOCX

223.5 KB Created: 2020-10-28 06:28:00 Authoring application: Microsoft Office Word
MD5: d9d7b06b995199a9071049ecb73d473d SHA-1: c098e1c1cb67263d778014ab761ba724a1545afa SHA-256: 16b04fec1fdcdf3e7cd7b256ab6d5eb83277fc58d66fbea24c54202ce5fcd96d
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating malicious intent. ClamAV detection confirms this, identifying it as Emotet. The macro's obfuscated nature and use of CreateObject suggest it's designed to download and execute a secondary payload, likely via PowerShell, aligning with Emotet's typical behavior.

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
7f3b9de1e0285548916c28f6601d8d02c3123bdd009e8218f5871d9b0b89faf5		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16327 bytes

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