Resubmissions

28/04/2024, 23:10

240428-25tqysbe3410

28/04/2024, 23:04

240428-22nersbd5310

General

  • Target
    RobloxCrycheat.exe
  • Size 16.2MB
  • Sample240428-22nersbd53
  • SHA256 3cbe5711b5020ec5e092efffaffc87f435cd1009e5d8445087694115c4767c6f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 19.ip.gl.ply.gg:37159

Attributes
  • Install_directory

    %AppData%

  • install_file

    $77host.exe

Targets

    • Target
      RobloxCrycheat.exe
    • Size 16.2MB
    • SHA256 3cbe5711b5020ec5e092efffaffc87f435cd1009e5d8445087694115c4767c6f
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Umbral payload

    • Detect Xworm Payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks