General

  • Target
    05172022.scr.exe
  • Size 1.8MB
  • Sample220517-s3715aebc2
  • SHA256 bf135724716fdb8f935249e97e33949db73caa02b89e7044fc273f4ae630b2d4
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      05172022.scr.exe
    • Size 1.8MB
    • SHA256 bf135724716fdb8f935249e97e33949db73caa02b89e7044fc273f4ae630b2d4
    • MD5 SHA1 SHA512
    • 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.

    • suricata: ET MALWARE DCRAT Activity (GET)

      suricata: ET MALWARE DCRAT Activity (GET)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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

MITRE ATT&CK Enterprise v6

Tasks