Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6760d066605029f5…

MALICIOUS

Office (OLE) / .DOCX

151.4 KB Created: 2020-09-22 07:23:00 Authoring application: Microsoft Office Word
MD5: de95649c739ed6af38a85be6b8c76713 SHA-1: 85e863591452e0adbfa4266ab117aa29298bf494 SHA-256: 6760d066605029f558043d5429b3167f223dbbaeecdee1fb052f43d12b332e89
242 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, specifically a Document_Open macro designed to execute automatically. Heuristics indicate the use of CreateObject and GetObject, common for downloading and executing payloads. ClamAV detection explicitly identifies it as an Emotet downloader. The VBA script, though obfuscated, appears to be involved in constructing strings for execution, likely to fetch and run a second-stage payload.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9765070-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9765070-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
37ce3f491be0f3d0a753fc5c7339c798cd89a6843cff6094a48ab180ad94ccb1		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16563 bytes

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