Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7b84062b282e9765…

MALICIOUS

Office (OLE) / .DOCX

200.7 KB Created: 2020-12-22 06:39:00 Authoring application: Microsoft Office Word
MD5: 0f797b27dc2d8c7ef39a9a7f8beebd81 SHA-1: 0b85ce1f3a019af2eee743757a60aeb77e930ce5 SHA-256: 7b84062b282e976585eba365223c01dff9e42cf3351fe5c6e5df65cf22a2932e
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample was detected as Emotet by ClamAV and exhibits high-severity heuristics for VBA macros, including an auto-executing Document_Open macro and CreateObject calls. The VBA script contains obfuscated code, but the presence of the Document_Open subroutine indicates an attempt to execute malicious code upon opening the document, consistent with Emotet's typical behavior of downloading and executing further stages.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
  • 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
87b72d633bd79d3d21c1246dbcc11e62ebdefc06e96dee650ec7c8e181386692		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16335 bytes

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