Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 79083e8a8ffe07dc…

MALICIOUS

Office (OLE) / .DOC

176.9 KB Created: 2020-10-20 15:27:00 Authoring application: Microsoft Office Word
MD5: 09c481286ca0f827a6d579eeccecca9e SHA-1: 91354ad61ddaf3ec6f2c4ed7026fd9614a762470 SHA-256: 79083e8a8ffe07dce171b5e20d5665e9317f618845036d5d3be76d6c8149a0e7
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this as Emotet. The macro likely uses CreateObject to download and execute a secondary payload, a common Emotet tactic. No specific URLs or further IOCs were extracted from the limited document body or script content.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9781039-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9781039-0
  • 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
4ae9206e4b66c21807f47ed3b7c5982ab29db0a36a53a5da071ac077a7c0588d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18780 bytes

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