Resubmissions

10/05/2024, 11:54

240510-n2wt9agb7610

09/05/2024, 22:32

240509-2gf5ysdf3810

09/05/2024, 22:29

240509-2ek15aab7z10

General

  • Target
    Google App CODE.exe
  • Size 3.4MB
  • Sample240509-2gf5ysdf38
  • SHA256 5ea15a7d35fa7fbbb7410e58a3f0c4c7753253a0d21e1c4c665dc7060ad8c809
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      Google App CODE.exe
    • Size 3.4MB
    • SHA256 5ea15a7d35fa7fbbb7410e58a3f0c4c7753253a0d21e1c4c665dc7060ad8c809
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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