Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 65af960efb522275…

MALICIOUS

Office (OLE) / .DOCX

168.2 KB Created: 2020-09-14 11:57:00 Authoring application: Microsoft Office Word
MD5: 5a3e308fc182bbc81ea97c82b971705c SHA-1: c6d6d98a5d4f45342d150c6f8f88608ee8e5b6ee SHA-256: 65af960efb522275c12cbbc2902476854043df45ed96b435103aedcef02eecbe
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a common technique for Emotet. The macro uses CreateObject to execute obfuscated code, likely to download and run a secondary payload. The ClamAV detection explicitly names Emotet, further supporting this classification.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762269-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762269-0
  • 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
8a39fc8d6eec119bccb9074c742cbab236c89f429d1a306c2818d1568d873603		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25223 bytes

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