Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 07791b0eccfe1320…

MALICIOUS

Office (OLE) / .DOCX

155.9 KB Created: 2020-10-19 08:55:00 Authoring application: Microsoft Office Word
MD5: 6e4bef4f0ed9bf20b9a6f064b4f44f9e SHA-1: b32e3fd84a022b28d56a43d721a43f1fc144ff13 SHA-256: 07791b0eccfe13208ee78ff72fd3ac33c1a67844e1dec69224b1870629aaa738
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.Downloader.Emotet-9780414-0', strongly indicating the Emotet family. High-severity heuristics confirm the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject, a common technique for Emotet. The obfuscated VBA script likely downloads and executes a secondary payload, consistent with Emotet's downloader functionality.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9780414-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780414-0
  • 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
e05e00e5695f255205cdf8f3c815d1b7180582c720372a44ffa69b0bf5e004ae		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15558 bytes

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