Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6dc2e8f2ba098be7…

MALICIOUS

Office (OLE) / .DOCX

176.3 KB Created: 2020-10-16 10:38:00 Authoring application: Microsoft Office Word
MD5: 51f22a0854f8304fd979838d34ff9684 SHA-1: 90bc491793248305b7c7cf98ad3195fca6292e96 SHA-256: 6dc2e8f2ba098be7efe15f27abf2844722350272930fa86b350d0d2bfe653565
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, specifically a Document_Open macro, which is a common execution vector for Emotet. The macro utilizes CreateObject, indicating it's designed to execute code. The ClamAV detection explicitly names this as Emotet, confirming the family. The VBA code appears to be obfuscated but is designed to download and execute a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Trojan.Emotet-9778443-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Emotet-9778443-1
  • 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
dae34bf6e418fa0d8b9b1311becc27775cd875aa2c1a1dc0c8de66f7f57fbc42		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15342 bytes

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