Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 cd537ffeb9d0a9e2…

MALICIOUS

Office (OLE) / .DOCX

163.4 KB Created: 2020-09-22 18:24:00 Authoring application: Microsoft Office Word
MD5: 7217bd685c231993980248a1be2f1c61 SHA-1: 81ff45b323487a4798a33632619cfe8e0a81bf6e SHA-256: cd537ffeb9d0a9e21855ebee9da69cd5b7e1c0839e6fca3be47f0a695a41d2e4
280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The file contains VBA macros, including a Document_Open auto-execution macro, which is a common delivery mechanism for Emotet. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet'. The presence of the 'macros.bas' artifact further supports this, indicating the macro code itself was extracted.

Heuristics 8

  • ClamAV: Doc.Downloader.Emotet-9765458-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9765458-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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
bd654d20c055e0b0e127587789558080b1c423748b3142eb9ab3aa76d6d97f9b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20393 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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