Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 021d815c7a498172…

MALICIOUS

Office (OLE) / .DOCX

196.4 KB Created: 2020-09-21 22:06:00 Authoring application: Microsoft Office Word
MD5: 3ef549d37d5acbab18e6a515d60c1ece SHA-1: 5aefa3eddd189c96df14d6777f78dcd0b22d20ca SHA-256: 021d815c7a498172ad0e8254073b4d9c3f83bc2f400602d64b02613e62b9fb9a
242 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, including a Document_Open auto-execution macro, and uses CreateObject and GetObject calls, indicative of malicious intent. ClamAV detection explicitly names this as Emotet. The VBA script appears to be obfuscated but the presence of auto-execution and calls to system objects strongly suggests it's designed to download and execute a secondary payload.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9765425-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9765425-0
  • 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
3f69d910c7ab65b68002c6115856f94d0a2fe7883066824f7d890ec0735d30db		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 19084 bytes

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