General

  • Target

    a2249bfbc47db7399d868ffb04035b360dadd039fd1de0824500cb26f23adff7

  • Size

    1.7MB

  • Sample

    250111-er95fssrhz

  • MD5

    60aee14b66a5385404c52533841731f2

  • SHA1

    5fdc7a1d3e168b2b7e2824cd3b50570b03a5d03f

  • SHA256

    a2249bfbc47db7399d868ffb04035b360dadd039fd1de0824500cb26f23adff7

  • SHA512

    5a3eb9d974f43e0a81187d76a779b5995d3645291f15f31fbda165e3c668980d01bed1f3f42561d0a62930e5e09af01a7229dde939e50ad9cc3ce1c413d8dc75

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      a2249bfbc47db7399d868ffb04035b360dadd039fd1de0824500cb26f23adff7

    • Size

      1.7MB

    • MD5

      60aee14b66a5385404c52533841731f2

    • SHA1

      5fdc7a1d3e168b2b7e2824cd3b50570b03a5d03f

    • SHA256

      a2249bfbc47db7399d868ffb04035b360dadd039fd1de0824500cb26f23adff7

    • SHA512

      5a3eb9d974f43e0a81187d76a779b5995d3645291f15f31fbda165e3c668980d01bed1f3f42561d0a62930e5e09af01a7229dde939e50ad9cc3ce1c413d8dc75

    • SSDEEP

      24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

    • 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