Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7691240314f7a2c8…

MALICIOUS

Office (OLE) / .DOCX

173.0 KB Created: 2020-10-27 05:39:00 Authoring application: Microsoft Office Word
MD5: 2881919d6a2fdf4ca6179e2bdb25062b SHA-1: fbd6cf89a803b77c3f4cef12d9037e32f6dbe52b SHA-256: 7691240314f7a2c8bb746a2d3177cd6854f21ffe7ce02228138b0c64a3346915
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common characteristic of Emotet. The macros utilize CreateObject to likely download and execute a second-stage payload. The ClamAV detection explicitly names Emotet, further supporting this classification.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9784225-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9784225-0
  • 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
4ba1afe08d79409e1497ca07456a809cf749d23c9ed8d7cdfc9c80ecc4d07df6		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15890 bytes

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