General

  • Target

    BuildCheck.exe

  • Size

    1.1MB

  • Sample

    240712-w1zthsvekj

  • MD5

    08b061d017542bfb3113e1f36741458e

  • SHA1

    4c3a0e20a289e7079dac9cce729549c1dcedabef

  • SHA256

    e994b0ec8d2f25b78665dbcfc36f0477859ca13590f4da35fa30fb6c793bf704

  • SHA512

    5fe3153cd130f6ee2940f9272fc5e98b4cbec53a7f243207e15e216bbbbeacdf8fdb57710d0d7a99d360f70e6c564588f8550196b7f1684ffcb17eb9b2c0bb87

  • SSDEEP

    24576:U2G/nvxW3Ww0tGfgVu8ICsVzqoPwYQXX4a409etfkVY:UbA30Gku8voo1XXA0fq

Score
10/10

Malware Config

Targets

    • Target

      BuildCheck.exe

    • Size

      1.1MB

    • MD5

      08b061d017542bfb3113e1f36741458e

    • SHA1

      4c3a0e20a289e7079dac9cce729549c1dcedabef

    • SHA256

      e994b0ec8d2f25b78665dbcfc36f0477859ca13590f4da35fa30fb6c793bf704

    • SHA512

      5fe3153cd130f6ee2940f9272fc5e98b4cbec53a7f243207e15e216bbbbeacdf8fdb57710d0d7a99d360f70e6c564588f8550196b7f1684ffcb17eb9b2c0bb87

    • SSDEEP

      24576:U2G/nvxW3Ww0tGfgVu8ICsVzqoPwYQXX4a409etfkVY:UbA30Gku8voo1XXA0fq

    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.

    • 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