General

  • Target

    19529dcddcd4e5f28d2922af9feb891de07490ae79709e5071023e96944f2d9bN.exe

  • Size

    1.7MB

  • Sample

    241211-k8yqms1ken

  • MD5

    14f062343048bd7e161bcf20c6c2aa30

  • SHA1

    818b3e07f2ff1b0b1b06ff835669c8db109618b4

  • SHA256

    19529dcddcd4e5f28d2922af9feb891de07490ae79709e5071023e96944f2d9b

  • SHA512

    9aaedd4368e48ebd58229ca2f04a4261fd903bc3ff8cd7cb031d7e43572ade0d88d3cb13c20409b74b30eb01989843283ce727cf3925d03fdbd2cd525a1726d4

  • SSDEEP

    49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:OTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      19529dcddcd4e5f28d2922af9feb891de07490ae79709e5071023e96944f2d9bN.exe

    • Size

      1.7MB

    • MD5

      14f062343048bd7e161bcf20c6c2aa30

    • SHA1

      818b3e07f2ff1b0b1b06ff835669c8db109618b4

    • SHA256

      19529dcddcd4e5f28d2922af9feb891de07490ae79709e5071023e96944f2d9b

    • SHA512

      9aaedd4368e48ebd58229ca2f04a4261fd903bc3ff8cd7cb031d7e43572ade0d88d3cb13c20409b74b30eb01989843283ce727cf3925d03fdbd2cd525a1726d4

    • SSDEEP

      49152:j+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:OTHUxUoh1IF9gl2

    • 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