Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 09d5de04cf0dc8df…

MALICIOUS

Office (OLE) / .DOCX

183.7 KB Created: 2020-12-23 07:47:00 Authoring application: Microsoft Office Word
MD5: 60b3c55116c6d6d3cf56ad7a7d03519d SHA-1: 1cddceaee965f76bf826f903b341c227cb04944f SHA-256: 09d5de04cf0dc8dff51dd2315b237fa491d213f8496f1c361a7ef2efbbe15932
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject to execute code. ClamAV identifies this as a downloader associated with Emotet. The VBA macro is designed to execute a secondary payload, likely by downloading it from a remote source, which is a common Emotet distribution technique. The presence of VBA macros and the Document_Open auto-execution strongly suggests a malicious intent to compromise the user's system.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
d5578521430d19d3e1a741e6facd5db8ed236e25c6fc3d692889ddd7a6d225bf		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8783 bytes

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