General

  • Target

    43364f9ca16420322a0acc57427148cb0cfa0df14884538f0ce8627dbc9ec983N.exe

  • Size

    1.8MB

  • Sample

    241205-yhmgksypes

  • MD5

    8691b8256074b5ec561c7ef05e4f1830

  • SHA1

    6f1deb8e7057f3669b6d92b14de7086a4a0395eb

  • SHA256

    43364f9ca16420322a0acc57427148cb0cfa0df14884538f0ce8627dbc9ec983

  • SHA512

    e7fcaaf6e787f7eda8ff55ef8bc16d36f48c9b8ec1ebf7a7c7c5be84a05f3a0b1e6e898734cfd2c817922f3151efdfbc8ebe8916153ef6a67930df838036a29e

  • SSDEEP

    49152:XWqKKPZ1snfJ+rqDPuQDLME5MT4rDQNpfh:pKKZ1sRD2Q3N5MT4r

Malware Config

Targets

    • Target

      43364f9ca16420322a0acc57427148cb0cfa0df14884538f0ce8627dbc9ec983N.exe

    • Size

      1.8MB

    • MD5

      8691b8256074b5ec561c7ef05e4f1830

    • SHA1

      6f1deb8e7057f3669b6d92b14de7086a4a0395eb

    • SHA256

      43364f9ca16420322a0acc57427148cb0cfa0df14884538f0ce8627dbc9ec983

    • SHA512

      e7fcaaf6e787f7eda8ff55ef8bc16d36f48c9b8ec1ebf7a7c7c5be84a05f3a0b1e6e898734cfd2c817922f3151efdfbc8ebe8916153ef6a67930df838036a29e

    • SSDEEP

      49152:XWqKKPZ1snfJ+rqDPuQDLME5MT4rDQNpfh:pKKZ1sRD2Q3N5MT4r

    • 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.

    • UAC bypass

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks