General

  • Target

    b473ef5a2e4a6af3a8fb6e05a5f337de350ed961465a87525a19074a419071e2.exe

  • Size

    3.0MB

  • Sample

    240618-wxjywstend

  • MD5

    1c56f7e7eddc792f68ac6f3cab2a4681

  • SHA1

    ec7d386f705bec9d369afc8a01cfcbfb36f7518d

  • SHA256

    b473ef5a2e4a6af3a8fb6e05a5f337de350ed961465a87525a19074a419071e2

  • SHA512

    2adaaa4d4a506958541f8de3448d13a014da7f00124f8844b9ebd43af8d82834ee549a08fe4685fdd7865890139b2a718c737f8ac4b1520f0db8fa6e5dbfde8e

  • SSDEEP

    49152:dKgp3LH8/m5N+tUhan6h5wNXPVX9woUxMivDS7x9D9K+S1OMgXD:0Aj8/mN8W6w5wNXP7GMP7x9ByOMY

Malware Config

Targets

    • Target

      b473ef5a2e4a6af3a8fb6e05a5f337de350ed961465a87525a19074a419071e2.exe

    • Size

      3.0MB

    • MD5

      1c56f7e7eddc792f68ac6f3cab2a4681

    • SHA1

      ec7d386f705bec9d369afc8a01cfcbfb36f7518d

    • SHA256

      b473ef5a2e4a6af3a8fb6e05a5f337de350ed961465a87525a19074a419071e2

    • SHA512

      2adaaa4d4a506958541f8de3448d13a014da7f00124f8844b9ebd43af8d82834ee549a08fe4685fdd7865890139b2a718c737f8ac4b1520f0db8fa6e5dbfde8e

    • SSDEEP

      49152:dKgp3LH8/m5N+tUhan6h5wNXPVX9woUxMivDS7x9D9K+S1OMgXD:0Aj8/mN8W6w5wNXP7GMP7x9ByOMY

    • 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.

    • 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