Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6a3681628d5e9005…

MALICIOUS

Office (OLE) / .DOCX

240.5 KB Created: 2020-10-28 10:47:00 Authoring application: Microsoft Office Word
MD5: 2745054d0813958e909dd92634072024 SHA-1: 20fcbde2221d69109dc09e3dc09dd7e9f116b5ae SHA-256: 6a3681628d5e90051c68dd3bf6855abcdff9d8b6e25447bad58745cc5406d4e2
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The file is identified as malicious by ClamAV with a specific Emotet signature. Static analysis reveals the presence of VBA macros, including a Document_Open macro that utilizes CreateObject, indicating an attempt to execute code upon opening. The macro code appears to be obfuscated but likely aims to download and execute a secondary payload, consistent with Emotet's behavior.

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
46faaf06a16ada9e49d018565258705c67fc1202bb8b7fa1b6772e3ca9589e8c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17107 bytes

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