General

  • Target

    3a11dc0b3c5c9f086247d448795f0e1065467c66b8d9b00b4c07361d2cf2bbbdN.exe

  • Size

    1.7MB

  • Sample

    241222-cl3r3syqaw

  • MD5

    7a2f8094d8034feeebb4b6eaa3fde100

  • SHA1

    07938320b644032d9955e95234f0abed26ea675c

  • SHA256

    3a11dc0b3c5c9f086247d448795f0e1065467c66b8d9b00b4c07361d2cf2bbbd

  • SHA512

    cb967bd15df2ed22bd2e74a00a603e3fe98b043cce3587aaef0054d5f44fb34718a361fb0c758b3c93071fb8992515f6aff75603cf2535488712c41a5750c06a

  • SSDEEP

    49152:T+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:+THUxUoh1IF9gl2

Malware Config

Targets

    • Target

      3a11dc0b3c5c9f086247d448795f0e1065467c66b8d9b00b4c07361d2cf2bbbdN.exe

    • Size

      1.7MB

    • MD5

      7a2f8094d8034feeebb4b6eaa3fde100

    • SHA1

      07938320b644032d9955e95234f0abed26ea675c

    • SHA256

      3a11dc0b3c5c9f086247d448795f0e1065467c66b8d9b00b4c07361d2cf2bbbd

    • SHA512

      cb967bd15df2ed22bd2e74a00a603e3fe98b043cce3587aaef0054d5f44fb34718a361fb0c758b3c93071fb8992515f6aff75603cf2535488712c41a5750c06a

    • SSDEEP

      49152:T+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:+THUxUoh1IF9gl2

    • 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