General

  • Target

    7362f82084bcdf47b0927674ad678f66214e8d4f2783a0b9338ee4eb773c3474.exe

  • Size

    2.2MB

  • Sample

    241215-ebh12avlhn

  • MD5

    3aa1bbd17d68b0b67b7423f1fe09b05b

  • SHA1

    61c43b8f31a51d772fd39d5caa87699d74971a43

  • SHA256

    7362f82084bcdf47b0927674ad678f66214e8d4f2783a0b9338ee4eb773c3474

  • SHA512

    7ae82411565104b15cc0de4cc8315d93301befbb28b1e36e3c50d46c8ba9fb1ff8eb361e12cd9d32771e2a5ecbee9b026aca0105473a9fe5a877fc2744b32014

  • SSDEEP

    49152:mx4QdTmxnMJUh+pDY92IXc3Mx+HqXQJc2cv1TDlH:QdPpDYbNiIP2cvxZH

Malware Config

Targets

    • Target

      7362f82084bcdf47b0927674ad678f66214e8d4f2783a0b9338ee4eb773c3474.exe

    • Size

      2.2MB

    • MD5

      3aa1bbd17d68b0b67b7423f1fe09b05b

    • SHA1

      61c43b8f31a51d772fd39d5caa87699d74971a43

    • SHA256

      7362f82084bcdf47b0927674ad678f66214e8d4f2783a0b9338ee4eb773c3474

    • SHA512

      7ae82411565104b15cc0de4cc8315d93301befbb28b1e36e3c50d46c8ba9fb1ff8eb361e12cd9d32771e2a5ecbee9b026aca0105473a9fe5a877fc2744b32014

    • SSDEEP

      49152:mx4QdTmxnMJUh+pDY92IXc3Mx+HqXQJc2cv1TDlH:QdPpDYbNiIP2cvxZH

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • 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

    • Adds Run key to start application

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks