Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 028661b4068147b4…

MALICIOUS

Office (OLE) / .DOCX

146.9 KB Created: 2020-09-30 13:54:00 Authoring application: Microsoft Office Word
MD5: 85bddacd70c0be66c045fcf35ec5538d SHA-1: e82c2e376d1dde9fd1a86d3605ca8483c752bafb SHA-256: 028661b4068147b441bb85f54020e1a03290adf9a56a2fe4407e68509ec7a812
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating malicious intent. ClamAV detection confirms this as Emotet. The macro's primary function appears to be executing obfuscated code, likely to download and execute a second-stage payload, a common Emotet behavior. The presence of a Document_Open macro and the Emotet detection strongly suggest this is a spearphishing attachment.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9769801-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9769801-1
  • 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
b0a96d5f70fa37f74dd6926b04c01f24a02f2a82bef41b3183b9207cf3a20fca		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10253 bytes

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