Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 7c6d002587f93224…

MALICIOUS

Office (OLE) / .DOCX

139.3 KB Created: 2020-10-15 20:30:00 Authoring application: Microsoft Office Word
MD5: 823b331493b8aa093f6d2287750b415b SHA-1: 94273575aae81dbfbf1fb50a5476c16004cbd02f SHA-256: 7c6d002587f932240ae014de882e7d4ef43ce8e9e4d0fb55140528daac379ccd
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a Microsoft Word document containing VBA macros, specifically a Document_Open macro that executes obfuscated VBA code. This code utilizes CreateObject to likely download and execute a second-stage payload, a common Emotet tactic. The ClamAV detection further supports the Emotet family attribution.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9778438-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9778438-0
  • 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
2effaaf970b5f9de3ee06c41a03bfb4f772066e9848150d426295dbb68f79b6c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 12763 bytes

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