Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 1896b0b4775c51d9…

MALICIOUS

Office (OLE) / .DOCX

168.2 KB Created: 2020-10-20 13:16:00 Authoring application: Microsoft Office Word
MD5: 0d7a8d590605e9d4a418e36ba1b68c0d SHA-1: 4b1da4e6b27cccdfe9703fef9ce083354dd05f83 SHA-256: 1896b0b4775c51d9d27d08608ca75a4ec5988365f4471c7188cefffbbc6b913e
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 was detected as Emotet by ClamAV and exhibits high-severity heuristics for VBA macros, including the presence of a Document_Open auto-execution macro and CreateObject calls. The VBA script, named 'macros.bas', is obfuscated but its structure suggests it is designed to download and execute a second-stage payload. The embedded URL, though benign, is noted as part of the document's structure.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9780849-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780849-0
  • 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
db983f63a3f14ba21ce878505faeebf248407a72c9ac689ac190379ed7abf96d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17571 bytes

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