General

  • Target

    a9ac10090fed177df3867fc88eda57dd852c595dde10953b7b798523e1043152

  • Size

    3.2MB

  • Sample

    240514-a8svaacd8s

  • MD5

    1553f67a0859a3057cde01f77db9dbc0

  • SHA1

    2cfe40d1fea16093e16c96a35f3240b98da9a5e1

  • SHA256

    a9ac10090fed177df3867fc88eda57dd852c595dde10953b7b798523e1043152

  • SHA512

    4ff68e4ad4299aa2ca2be8dfd1742d641cf9aee6b687f94b1e3c68062630b2e167a13550a8a184c8ff5a3df1da5b3182ebd29759a84a219af37a8688df6f0de5

  • SSDEEP

    49152:vC0Fl8v/911bwaEYpdYUVsk3DZGAy55kBsfJGAW6KyWUcPmWQpE:vC0Fl8v/qXYrv5tG9uKJGAWl5N

Malware Config

Targets

    • Target

      a9ac10090fed177df3867fc88eda57dd852c595dde10953b7b798523e1043152

    • Size

      3.2MB

    • MD5

      1553f67a0859a3057cde01f77db9dbc0

    • SHA1

      2cfe40d1fea16093e16c96a35f3240b98da9a5e1

    • SHA256

      a9ac10090fed177df3867fc88eda57dd852c595dde10953b7b798523e1043152

    • SHA512

      4ff68e4ad4299aa2ca2be8dfd1742d641cf9aee6b687f94b1e3c68062630b2e167a13550a8a184c8ff5a3df1da5b3182ebd29759a84a219af37a8688df6f0de5

    • SSDEEP

      49152:vC0Fl8v/911bwaEYpdYUVsk3DZGAy55kBsfJGAW6KyWUcPmWQpE:vC0Fl8v/qXYrv5tG9uKJGAWl5N

    • 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.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Detects executables packed with SmartAssembly

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks