General

  • Target
    b9a42f557b8e8d48bd5b061f8e714af9.exe
  • Size 1.2MB
  • Sample210911-lbbehsbbg8
  • SHA256 99b234ed5fcab5f1e2ebbc0a26fd5e94a3efa69fadb275065592ea7cba636e16
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      b9a42f557b8e8d48bd5b061f8e714af9.exe
    • Size 1.2MB
    • SHA256 99b234ed5fcab5f1e2ebbc0a26fd5e94a3efa69fadb275065592ea7cba636e16
    • 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.

    • DCRat Payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Downloads MZ/PE 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

MITRE ATT&CK Enterprise v6

Tasks