Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6cfa4bc9d9841121…

MALICIOUS

Office (OLE) / .DOCX

221.5 KB Created: 2020-10-28 06:34:00 Authoring application: Microsoft Office Word
MD5: c10e46feff629bf7b1dcb76f1e9f6b35 SHA-1: a005c737d3461049396738fa3d444626857115a3 SHA-256: 6cfa4bc9d98411218a03a8a0227df17da83335f49beab3784ef3ccbfe0f2e0dc
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 strong indicator of malicious intent. The ClamAV detection explicitly names Emotet, and the presence of CreateObject calls further supports this family attribution. The VBA code is heavily obfuscated but appears designed to execute further stages, likely involving downloading additional malware.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
  • 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
5c8508b4422f9cf9f0517311e463bebb8a10b40538c4b01e1d12399253dacfe3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16608 bytes

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