General

  • Target
    a100cd626553653384f7e6cd2484ab36.exe
  • Size 493KB
  • Sample210817-tnfetzksrx
  • SHA256 4a2bd74b2dc8b31da8d46035c9a77ee1eb20dabaf2affa04230849bcdb5e3bbf
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      a100cd626553653384f7e6cd2484ab36.exe
    • Size 493KB
    • SHA256 4a2bd74b2dc8b31da8d46035c9a77ee1eb20dabaf2affa04230849bcdb5e3bbf
    • 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.

    • Executes dropped EXE

    • 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