Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 68a9ee794307f9d9…

MALICIOUS

Office (OLE) / .DOCX

143.2 KB Created: 2020-09-29 09:08:00 Authoring application: Microsoft Office Word
MD5: b42d0aef4b2e1ba73aa0c5b186529a2e SHA-1: 18f39fec087fd8389dec552cd66d718067655de9 SHA-256: 68a9ee794307f9d9834945084a0412835b4b80754f558094acd6f3b5d6cafee2
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is a Microsoft Office document containing VBA macros, specifically triggering a Document_Open macro that uses CreateObject. This is a common pattern for Emotet malware to download and execute a secondary payload. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9769137-0', confirming the family and its downloader functionality.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769137-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769137-0
  • 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
2f5b3223d32b6b79c027453efef3c5410c27df5205b9cb2b32dd9a1e0304e007		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8132 bytes

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