Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 000444a623568f34…

MALICIOUS

Office (OLE) / .DOCX

246.4 KB Created: 2020-01-15 06:45:00 Authoring application: Microsoft Office Word First seen: 2022-03-17
MD5: 9321a4e2cd4141a43965bc0dd98fc46e SHA-1: 43efb3b3e1da7b4788d27c9549264b5d2a111cc2 SHA-256: 000444a623568f34fca2d4281a5bb95c13686514625941b4c53c0db63762a872
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature Doc.Dropper.Emotet-7540379-0. Static analysis reveals the presence of VBA macros, specifically a Document_Open macro that utilizes GetObject, indicating an attempt to execute malicious code upon opening. The VBA code is heavily obfuscated, but the presence of auto-execution and GetObject calls strongly suggests a downloader or dropper functionality.

Heuristics 6

  • ClamAV: Doc.Dropper.Emotet-7540379-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Emotet-7540379-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • 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.
  • 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
33d1d9709a368cecb02b822283cf5be9908859333cbbbdaa41031a9775c7d065		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 11106 bytes

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