General

  • Target

    741e00a1f7ef7e5fe69144adfb6023fe14d29ddcd1b9982a3ebcbced6748e8fc.exe

  • Size

    2.2MB

  • Sample

    241029-cy8h4a1jfq

  • MD5

    cd0fdbf184a188298a847d17af361c7d

  • SHA1

    d6394498b1dc80e93010b835940a463383bcf08a

  • SHA256

    741e00a1f7ef7e5fe69144adfb6023fe14d29ddcd1b9982a3ebcbced6748e8fc

  • SHA512

    08f5bcd179e16dc5bbc392bd70af00925e17e307de2c11b8f247b00f961f4d7861e6d52073ccac08bd48488f884c0b34154788062bfb799593c9546c6b173461

  • SSDEEP

    24576:2TbBv5rUyXVf7/weHc1lJq2tB/pw97SSwEWJSwDFrs7+6pa7gv6a9MrYetY5Q62w:IBJTqpji7SxFgz7XM7metv6s2N8WT

Malware Config

Targets

    • Target

      741e00a1f7ef7e5fe69144adfb6023fe14d29ddcd1b9982a3ebcbced6748e8fc.exe

    • Size

      2.2MB

    • MD5

      cd0fdbf184a188298a847d17af361c7d

    • SHA1

      d6394498b1dc80e93010b835940a463383bcf08a

    • SHA256

      741e00a1f7ef7e5fe69144adfb6023fe14d29ddcd1b9982a3ebcbced6748e8fc

    • SHA512

      08f5bcd179e16dc5bbc392bd70af00925e17e307de2c11b8f247b00f961f4d7861e6d52073ccac08bd48488f884c0b34154788062bfb799593c9546c6b173461

    • SSDEEP

      24576:2TbBv5rUyXVf7/weHc1lJq2tB/pw97SSwEWJSwDFrs7+6pa7gv6a9MrYetY5Q62w:IBJTqpji7SxFgz7XM7metv6s2N8WT

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks