Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0d8a6d854e14a57f…

MALICIOUS

Office (OLE) / .DOCX

175.9 KB Created: 2020-10-16 10:38:00 Authoring application: Microsoft Office Word
MD5: 0d47afc3a770c59bbd5016076e876202 SHA-1: 3bb839892c400838f80af4fcd71883d09588bdbe SHA-256: 0d8a6d854e14a57fed7fb1f39c731fcc825c411e22410ba84b0f771f327df08f
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample was detected as malicious by ClamAV with the signature 'Doc.Trojan.Emotet-9778443-1', indicating it belongs to the Emotet family. The presence of a 'Document_Open' VBA macro that uses 'CreateObject' strongly suggests the execution of malicious code. This macro is designed to download and execute a second-stage payload, a common tactic for Emotet. The obfuscated nature of the VBA script prevents a more detailed analysis of its specific actions.

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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