General

  • Target
    driver_booster_setup_cyri.exe
  • Size 28.4MB
  • Sample260802-1f9kfascqc
  • SHA256 6c6fb40971632eb14c5b0fcce876c26f19d17d78a67885758cc52a614ac1ca1f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      driver_booster_setup_cyri.exe
    • Size 28.4MB
    • SHA256 6c6fb40971632eb14c5b0fcce876c26f19d17d78a67885758cc52a614ac1ca1f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v16

Tasks