Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 72af1b0ae23cc27d…

MALICIOUS

Office (OLE) / .DOCX

205.7 KB Created: 2020-12-22 12:31:00 Authoring application: Microsoft Office Word
MD5: ba9bbc2b45fc4fe42cf1d5a8b40add17 SHA-1: 52c4069cca87e23cf49f2b9a0c7f3d747b433649 SHA-256: 72af1b0ae23cc27d4e53c0c0ae5e7ceb975e2635ac8c65f0d97b1a26562c66d7
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 macro uses CreateObject, indicating it likely attempts to download and execute a second-stage payload. ClamAV also detected this as Doc.Downloader.Emotet-10024800-0.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
  • 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
b223e36ca03f3aef1de34ece9213428b8c399a8d27f7650232938837efe41a69		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16333 bytes

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