Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6e1dc89d5849363d…

MALICIOUS

Office (OLE) / .DOCX

173.1 KB Created: 2020-09-16 13:35:00 Authoring application: Microsoft Office Word
MD5: ad75250d71344d1e83a67f8ea1b57820 SHA-1: 8be4350c14c1e2210cdbe5b3dc14601de7037664 SHA-256: 6e1dc89d5849363dfd8838d98e0edeae9745c586d3823f5e475b88932505f746
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 sample contains VBA macros, specifically a Document_Open auto-execution macro, which is a common technique for Emotet. The macro uses CreateObject to likely download and execute a second-stage payload. ClamAV detection also confirms the Emotet family. The embedded URL was benign and thus not included as an IOC.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762108-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762108-0
  • 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
0bb2e800f836433b719494fb3a2cf1fc895dd947fc7213e26f377d26b01e1554		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 22004 bytes

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