Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 014c6092529a2c8f…

MALICIOUS

Office (OLE) / .DOCX

170.5 KB Created: 2020-10-27 18:11:00 Authoring application: Microsoft Office Word
MD5: e41bc2f316a5f48801f4f981c6a1cc5d SHA-1: c0657d5fcf3ddd0deba510225dac33bfa6914e86 SHA-256: 014c6092529a2c8fcb1cec8bbd38eaa844a0dde7451752cefc4844dcfee2f647
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic for Applications T1059.001 PowerShell T1140 Deobfuscate/Decode Files or Information

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 obfuscated document body suggests an attempt to conceal the malicious nature of the content. The VBA script likely executes a secondary payload, as indicated by the CreateObject heuristic and the general behavior of Emotet.

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
89a7392bd1c1f3fe3b1a4c5e97fc737fc9e550b299f3eb72f43817655c9c1c0c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16436 bytes

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