General

  • Target

    40a923bc2edf578ea1564a0886af82fad4d7c2739589b9de5eb24dc94cff6b4b

  • Size

    771KB

  • Sample

    231119-rc8z3abb6y

  • MD5

    e834de2ffa7516ae4d4fb779a79c3134

  • SHA1

    8a665cca1a72e24d60359b7edc1f01c4d73c7e55

  • SHA256

    40a923bc2edf578ea1564a0886af82fad4d7c2739589b9de5eb24dc94cff6b4b

  • SHA512

    3fc702af0e12c2fa815e1c47b5c6e53edcda551daa71fd03bfd73b643d299bed7e33e7206edd30cc97e29f0082abdbf78466049bb45180150165bee586fc3d56

  • SSDEEP

    12288:U761vvrXBDZZmDmSh7SHSjX4z4ZV4kzI6OcGfAkx4tOF6j+Z:U7qvrXo7ZNX4z4YbcGfAkx4tNE

Malware Config

Targets

    • Target

      40a923bc2edf578ea1564a0886af82fad4d7c2739589b9de5eb24dc94cff6b4b

    • Size

      771KB

    • MD5

      e834de2ffa7516ae4d4fb779a79c3134

    • SHA1

      8a665cca1a72e24d60359b7edc1f01c4d73c7e55

    • SHA256

      40a923bc2edf578ea1564a0886af82fad4d7c2739589b9de5eb24dc94cff6b4b

    • SHA512

      3fc702af0e12c2fa815e1c47b5c6e53edcda551daa71fd03bfd73b643d299bed7e33e7206edd30cc97e29f0082abdbf78466049bb45180150165bee586fc3d56

    • SSDEEP

      12288:U761vvrXBDZZmDmSh7SHSjX4z4ZV4kzI6OcGfAkx4tOF6j+Z:U7qvrXo7ZNX4z4YbcGfAkx4tNE

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Sets file execution options in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks