Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6bad5724264c3077…

MALICIOUS

Office (OLE) / .DOCX

176.4 KB Created: 2020-10-20 22:39:00 Authoring application: Microsoft Office Word
MD5: 4a16d5d5043c9be79e33f48510f5f125 SHA-1: 9f037c0d729fe506eaa17b7058477df20548a205 SHA-256: 6bad5724264c3077c99828f20056ffa4fc338d0375c78f5c8a24772e6eb6ffa8
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is identified as malicious by ClamAV with a specific Emotet signature. Heuristics indicate the presence of VBA macros, including a Document_Open auto-execution macro and CreateObject calls, which are commonly used by Emotet to download and execute further stages. The VBA script itself is heavily obfuscated, making it difficult to determine the exact payload or destination, but the overall pattern strongly suggests a downloader functionality.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9781039-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9781039-0
  • 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
130bc91dd8b5ad391a87daabf287b6e2ceed1d78136a29ff57bedf25aa736586		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18991 bytes

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