General

  • Target

    d0ceb28e119c7ddf3c430069e78ad0e62932d4a16e170053004169b728035ffaN.exe

  • Size

    1.7MB

  • Sample

    250117-gjthvavmbm

  • MD5

    a57180c018c00cc79851ec0f0d1e8c60

  • SHA1

    7f7c520837cab4b928bb8c22866d244cebc38025

  • SHA256

    d0ceb28e119c7ddf3c430069e78ad0e62932d4a16e170053004169b728035ffa

  • SHA512

    7f7574fda66c356d318ba0c99bbd6fb37f3fb320521eeb2db802a08b5d0ab30f7ed2da14bf0253be27845b8f48cb5daa90526d2f7bc225b1d728922265848cb6

  • SSDEEP

    24576:t3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:tgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      d0ceb28e119c7ddf3c430069e78ad0e62932d4a16e170053004169b728035ffaN.exe

    • Size

      1.7MB

    • MD5

      a57180c018c00cc79851ec0f0d1e8c60

    • SHA1

      7f7c520837cab4b928bb8c22866d244cebc38025

    • SHA256

      d0ceb28e119c7ddf3c430069e78ad0e62932d4a16e170053004169b728035ffa

    • SHA512

      7f7574fda66c356d318ba0c99bbd6fb37f3fb320521eeb2db802a08b5d0ab30f7ed2da14bf0253be27845b8f48cb5daa90526d2f7bc225b1d728922265848cb6

    • SSDEEP

      24576:t3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:tgwuuEpdDLNwVMeXDL0fdSzAG

    • DcRat

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

    • Dcrat family

    • 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.

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks