General

  • Target
    a958bca004dcc7edf8310150ef02512b.exe
  • Size 2.1MB
  • Sample220505-mvhtdaaefm
  • SHA256 a3f1615bd60b684da869e6b08295b273bd7698f63aa24ffb86d2ce24e03496bf
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      a958bca004dcc7edf8310150ef02512b.exe
    • Size 2.1MB
    • SHA256 a3f1615bd60b684da869e6b08295b273bd7698f63aa24ffb86d2ce24e03496bf
    • MD5 SHA1 SHA512
    • DcRat

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

    • Process spawned unexpected child process

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

    • suricata: ET MALWARE DCRAT Activity (GET)

      suricata: ET MALWARE DCRAT Activity (GET)

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

MITRE ATT&CK Enterprise v6

Tasks