Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6b2eab389a7a3b06…

MALICIOUS

Office (OLE) / .DOCX

198.1 KB Created: 2020-09-16 07:09:00 Authoring application: Microsoft Office Word
MD5: 732fa637f12b8078f81855ec4b3d03ae SHA-1: c8d7cfe2df15c302d29423d75cb6152b4bf661d4 SHA-256: 6b2eab389a7a3b060a0531979a56b8ed93a525cadb8535243ca02b29d3fdb1ae
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains a high-severity VBA macro that automatically executes upon opening the document, a common Emotet infection vector. The macro utilizes CreateObject and appears to be designed to download and execute a secondary payload, as indicated by the ClamAV detection name 'Doc.Malware.Emotet-9762400-0'. The VBA code is heavily obfuscated, but the presence of auto-execution and the Emotet family attribution strongly suggest malicious intent.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762400-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762400-0
  • 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
7c58c4b09e28ace19eb6117ae115fc2b8ebe509e6804a2a36cc1706dcd36fda5		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25351 bytes

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