Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 bb93640e7a962d06…

MALICIOUS

Office (OLE) / .DOCX

167.5 KB Created: 2020-10-26 10:57:00 Authoring application: Microsoft Office Word
MD5: d63ac67bba8eeb3a2b4f66b839ae9abd SHA-1: 14d0e6a5385c2e6c324f584442a779d83f186a16 SHA-256: bb93640e7a962d06bda3911de02f559229a6bff1cbe867bf5cd47c457b69064d
240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample was detected by ClamAV as Doc.Downloader.Emotet-9783962-0, indicating a high likelihood of Emotet family. Critical heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. This suggests the macro is designed to download and execute a second-stage payload. The document body's obfuscated nature and the presence of VBA macros strongly support this attack pattern.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9783962-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9783962-0
  • 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.
  • 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
73da4e56546636c0246d24a128ee097e3f12e124f4b51048532455144fb1d70c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15915 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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