General

  • Target

    0db13d5a3f1aa341822454bf1d807a06240479a15513185097217bdaf5f8b012N.exe

  • Size

    1.7MB

  • Sample

    250125-mkq21azqej

  • MD5

    41ab31f7992973414712ec5526c1fc70

  • SHA1

    bd1eb2471b1a16ef2e2bc29571c98b670de563f3

  • SHA256

    0db13d5a3f1aa341822454bf1d807a06240479a15513185097217bdaf5f8b012

  • SHA512

    f3d90be2a0fbb838fbaf222ec6d64db5597e8104d53f863e0240cb8fd5bf72fb7f3c3d072b37e91967f80f4c298c295886eff89fd7b9831bbf8f2bc6d7120960

  • SSDEEP

    49152:T+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:+THUxUoh1IF9gl2

Malware Config

Targets

    • Target

      0db13d5a3f1aa341822454bf1d807a06240479a15513185097217bdaf5f8b012N.exe

    • Size

      1.7MB

    • MD5

      41ab31f7992973414712ec5526c1fc70

    • SHA1

      bd1eb2471b1a16ef2e2bc29571c98b670de563f3

    • SHA256

      0db13d5a3f1aa341822454bf1d807a06240479a15513185097217bdaf5f8b012

    • SHA512

      f3d90be2a0fbb838fbaf222ec6d64db5597e8104d53f863e0240cb8fd5bf72fb7f3c3d072b37e91967f80f4c298c295886eff89fd7b9831bbf8f2bc6d7120960

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks