Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6ddf6d8934b2d37b…

MALICIOUS

Office (OLE) / .DOCX

192.4 KB Created: 2020-10-01 13:24:00 Authoring application: Microsoft Office Word
MD5: 51f195be7227e8c9d1cc4affe9ecd47c SHA-1: d1b957b301d44c7ad36ecd6c1582cd89d57524a0 SHA-256: 6ddf6d8934b2d37ba4b4f33be8edb9f143cd722bd82fa20c8a9a21412d28b6cb
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, including a Document_Open auto-execution macro, which is a common technique for Emotet. The macro uses CreateObject and obfuscated code, indicating an attempt to download and execute a secondary payload. ClamAV detection further supports the Emotet family attribution.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9770099-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9770099-0
  • 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
036fd4509daa7ddddbb4b351244a67d134d9405ade9668761579d4b986a83b62		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10439 bytes

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