Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 06ab6fdd7f24d4d5…

MALICIOUS

Office (OLE) / .DOCX

133.1 KB Created: 2020-09-28 07:04:00 Authoring application: Microsoft Office Word
MD5: 2444fe974e7f852a180764d8bee68e5d SHA-1: e2bbdb3e2012a0c9efd80534e2586dbcb42b9179 SHA-256: 06ab6fdd7f24d4d5c44e9b1d75586541d066759d3d39cf155af285008295dde1
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1204.002 Malicious File

The sample is a Microsoft Word document containing VBA macros, specifically a Document_Open macro that is triggered upon opening. Heuristics indicate the use of CreateObject and p-code execution, common for downloading and executing secondary payloads. ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9768657-0', strongly suggesting the Emotet family. The VBA code itself is heavily obfuscated, but the presence of the Document_Open macro and CreateObject points to an automated execution flow designed to download and run additional malware.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9768657-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9768657-0
  • 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
e75df2f1d58eb5949c0678a2356db3178c4d0bfd05af2a59d3cebacf3557baf1		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6244 bytes

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