Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 5fd084c654656d72…

MALICIOUS

Office (OLE) / .DOCX

204.7 KB Created: 2020-12-22 12:31:00 Authoring application: Microsoft Office Word
MD5: be358035c74da7f86c3df9ef2fd61b27 SHA-1: ed718f676fbd387495e7b8fded90a8ae5c822d45 SHA-256: 5fd084c654656d72dd3fe9ecfb7f7c0f7d073050b56573caad26e5fe375a83e6
202 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 auto-execution macro, which is a common technique for Emotet. The heuristic firings indicate the use of CreateObject and p-code execution, suggesting the macro attempts to download and execute a secondary payload. ClamAV detection further confirms its classification as Emotet.

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
b223e36ca03f3aef1de34ece9213428b8c399a8d27f7650232938837efe41a69		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16333 bytes

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