General

  • Target

    d948b3030803875b8eb8c3e00c627e85bcaacccc6307b95da2b1425cb5f45e28N.exe

  • Size

    1.7MB

  • Sample

    241118-1v8xfswcnb

  • MD5

    914dc39aa181253e11c186005dfe98f0

  • SHA1

    0b63a5f139884cf75bca3b7d0b1380f9d0a8a700

  • SHA256

    d948b3030803875b8eb8c3e00c627e85bcaacccc6307b95da2b1425cb5f45e28

  • SHA512

    432d25441d27cd7f4ce39835d0d2e4354ab84d390bf04941d6fa65dab99cbd1a908ab64641faf7366f9fb242ed0777f8d446c6f5808c375d39d36e6471c7c479

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      d948b3030803875b8eb8c3e00c627e85bcaacccc6307b95da2b1425cb5f45e28N.exe

    • Size

      1.7MB

    • MD5

      914dc39aa181253e11c186005dfe98f0

    • SHA1

      0b63a5f139884cf75bca3b7d0b1380f9d0a8a700

    • SHA256

      d948b3030803875b8eb8c3e00c627e85bcaacccc6307b95da2b1425cb5f45e28

    • SHA512

      432d25441d27cd7f4ce39835d0d2e4354ab84d390bf04941d6fa65dab99cbd1a908ab64641faf7366f9fb242ed0777f8d446c6f5808c375d39d36e6471c7c479

    • 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