Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 6df174e9db461a26…

MALICIOUS

Office (OLE)

156.0 KB Created: 2020-09-15 17:12:00 Authoring application: Microsoft Office Word
MD5: 8c2b6d8e7823f7868d1d8f90861b8724 SHA-1: f574cd167c1dbb97c67fc69185a3dd4cd6178903 SHA-256: 6df174e9db461a266ae6d6b4ea7873ba7c3cabf7a65ca2c66c080ea0eb15e41b
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 routine, which is a common technique for malware delivery. The script attempts to execute a PowerShell command, likely to download and execute a second-stage payload. The presence of a Document_Open macro and the detected ClamAV signature strongly suggest Emotet.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762377-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762377-0
  • 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
2935858df1d0c162d4ca045aee67cb5dd51728380f384e9ebdf2e9a82ed900e7		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 22872 bytes

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