Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 33fe2b69b6d68269…

MALICIOUS

Office (OLE) / .DOCX

207.5 KB Created: 2020-10-30 05:47:00 Authoring application: Microsoft Office Word
MD5: 08d0f5d611f5e48b36fd0be4ad2009db SHA-1: 718186b746ec94690105c281c58cbe3db9cae3f6 SHA-256: 33fe2b69b6d682698752ed4952dd2cac42d724db0b1b61967ddaa54ea2c6ae00
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating malicious intent. The ClamAV detection name 'Doc.Downloader.EmotetRed02224-9938637-0' strongly suggests the Emotet family and a downloader functionality. The VBA script appears to be heavily obfuscated, likely to deobfuscate and execute a payload from a remote source.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
e4d0fb437400efd48ba8788e6598db97f27abf48ca87508f936aac5cc138edbb		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17457 bytes

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