General

  • Target
    aa74466c958e79e0f9a14147f3758659_JaffaCakes118
  • Size 157KB
  • Sample241128-brwehsvpgk
  • SHA256 aeebbc1fedd0c64e0b65ec0a2746d35d91d33b3ce4fd8b77a321490226ff9aa2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      aa74466c958e79e0f9a14147f3758659_JaffaCakes118
    • Size 157KB
    • SHA256 aeebbc1fedd0c64e0b65ec0a2746d35d91d33b3ce4fd8b77a321490226ff9aa2
    • MD5 SHA1 SHA512 SSDEEP
    • Detected Xorist Ransomware

    • Xorist Ransomware

      Xorist is a ransomware first seen in 2020.

    • Xorist family

    • Renames multiple (2214) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Drops startup file

    • 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

    • Sets desktop wallpaper using registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks