Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 1946c7a60713de7e…

MALICIOUS

Office (OLE) / .DOC

162.5 KB Created: 2020-09-18 04:35:00 Authoring application: Microsoft Office Word
MD5: c78a9b278ede272c4cf35adf913f98a1 SHA-1: 3f747db6d051f9081ca719f0a95c8aa980a3c76d SHA-256: 1946c7a60713de7e1ea6c777a3d8768c9cdd5b825ee3962d5dce51eb57039f4e
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a Microsoft Word document containing a VBA macro that is automatically executed via the Document_Open subroutine. Heuristics indicate the use of CreateObject, a common technique for launching malicious code. ClamAV detection explicitly identifies the sample as Emotet. The VBA script, though obfuscated, appears to be designed to download and execute a secondary payload.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9763318-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9763318-0
  • 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
b0a943f27b229afc0d61565177642c9be098ce97924ee703fbff1ec25a707666		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21996 bytes

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