Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 65d551c2b6ba46c4…

MALICIOUS

Office (OLE) / .DOCX

131.8 KB Created: 2020-09-30 18:26:00 Authoring application: Microsoft Office Word
MD5: f1c1c97b4ed0e42530cb2c7b58e278c5 SHA-1: 2fce3b3ad8dce6df75652ad4c11ac39c15d576f0 SHA-256: 65d551c2b6ba46c4924531e27369d13bf4cf40ca1b27de0beeb1f4ff27534705
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, indicating an attempt to instantiate a COM object for further malicious actions, such as downloading a payload. ClamAV detection further supports the Emotet family attribution.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769771-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769771-0
  • 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
e5aaf9f3439fc51732c94523035a3e61bc2d17c21b6cf92e4d7bbe4fa685ceb9		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10171 bytes

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