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General

  • Target

    5f0ad7e7f26781dc32c59dbcb9de2e77_virlock_JC.exe

  • Size

    2.2MB

  • Sample

    230804-tyn8wsce89

  • MD5

    5f0ad7e7f26781dc32c59dbcb9de2e77

  • SHA1

    15786ffa979f179248cbb9fe9da72761eb8db4ce

  • SHA256

    af1fd53a1ac9557a43b85931b7b87cc4f756f7dc9c27c52e9ea1a8c25748ac31

  • SHA512

    190acbc4759a0a19441b86a75567abda0401ffe36307e6ca288d8d31714f1931df7f75e2ad68561529214ef0e22d6e77de05e7ee2063a283844771cafab198f6

  • SSDEEP

    24576:tkcNojuh4Pczh9Z7JeIrolfvnhOgNOsqzN/qm/jD8gNdZL/7JLyc3YK1gQwy2WS0:tkcNoju6PEHeJfPhlRays8gqQ9n3tx

Malware Config

Targets

    • Target

      5f0ad7e7f26781dc32c59dbcb9de2e77_virlock_JC.exe

    • Size

      2.2MB

    • MD5

      5f0ad7e7f26781dc32c59dbcb9de2e77

    • SHA1

      15786ffa979f179248cbb9fe9da72761eb8db4ce

    • SHA256

      af1fd53a1ac9557a43b85931b7b87cc4f756f7dc9c27c52e9ea1a8c25748ac31

    • SHA512

      190acbc4759a0a19441b86a75567abda0401ffe36307e6ca288d8d31714f1931df7f75e2ad68561529214ef0e22d6e77de05e7ee2063a283844771cafab198f6

    • SSDEEP

      24576:tkcNojuh4Pczh9Z7JeIrolfvnhOgNOsqzN/qm/jD8gNdZL/7JLyc3YK1gQwy2WS0:tkcNoju6PEHeJfPhlRays8gqQ9n3tx

    • Modifies WinLogon for persistence

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks