General

  • Target

    DCRatBuild.exe

  • Size

    1.1MB

  • Sample

    240618-tbxlravanj

  • MD5

    4746875ee2c221467e2c83593a34882a

  • SHA1

    d1695f62c670f70b6ad10ed600baacc6caf9717c

  • SHA256

    e52cc1ecffea7d4429688c0e46b60381b8921a187d9d6275a7c3953c902a5314

  • SHA512

    3e292802aab7d6d39012a059d8d2afb626d1581a3fab12b2b7e3fe6f70482a4e836a95bb0c61b85dc301990bd037a6b724324a1a5cc598978405c105c387f0fd

  • SSDEEP

    24576:U2G/nvxW3Ww0tiJGsOayYo5J8hEUSQv4VrQ16:UbA30iYs05eOU5uB

Score
10/10

Malware Config

Targets

    • Target

      DCRatBuild.exe

    • Size

      1.1MB

    • MD5

      4746875ee2c221467e2c83593a34882a

    • SHA1

      d1695f62c670f70b6ad10ed600baacc6caf9717c

    • SHA256

      e52cc1ecffea7d4429688c0e46b60381b8921a187d9d6275a7c3953c902a5314

    • SHA512

      3e292802aab7d6d39012a059d8d2afb626d1581a3fab12b2b7e3fe6f70482a4e836a95bb0c61b85dc301990bd037a6b724324a1a5cc598978405c105c387f0fd

    • SSDEEP

      24576:U2G/nvxW3Ww0tiJGsOayYo5J8hEUSQv4VrQ16:UbA30iYs05eOU5uB

    Score
    10/10
    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v15

Tasks