Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 064adbd5640ef3fd…

MALICIOUS

Office (OLE) / .DOCX

128.8 KB Created: 2020-10-14 13:53:00 Authoring application: Microsoft Office Word
MD5: ee487b8251889a6a8293b47173525a71 SHA-1: acf63cc4666dd0252e7834c6068840b8a6c91e83 SHA-256: 064adbd5640ef3fda23824886ee23921c5a3e50d8e7a2906bdd636e1c982aa9a
202 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, which is a common technique for Emotet. The script uses CreateObject to likely download and execute a second-stage payload. ClamAV also detected this file as Doc.Downloader.Emotet-9778040-0, further supporting the Emotet family attribution.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9778040-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778040-0
  • 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
a085f52da3766ff03b3361ab273cac0c99aef403d2275ac551d698dcc8f8bb33		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9635 bytes

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