General

  • Target

    w.exe

  • Size

    2.9MB

  • Sample

    240619-tjh4bsxgnk

  • MD5

    c708097aaaa20375cfe6a9cfdbbe731c

  • SHA1

    9e817437d13ad8fd22a52c05e7d82f4f07bb3a69

  • SHA256

    570388e1641bc609dff93db408507db3af7811d26c196165633d8119bd4f242e

  • SHA512

    b9415de8bcf4c893aa19c5e69518d3a2aa8011d40ea058db37191b614a0a2936d03189a605a706e97d528aa2edd073c3b3fe67ecd51fa54b20bc97cffe402aff

  • SSDEEP

    49152:dbA30FR+UWcENHLuyE64ho1isl0kkEZTMx1R3zcOZ1jFGuI0B:dbZ0UpE1Lu1qVZZTMx1JcOZbGkB

Malware Config

Targets

    • Target

      w.exe

    • Size

      2.9MB

    • MD5

      c708097aaaa20375cfe6a9cfdbbe731c

    • SHA1

      9e817437d13ad8fd22a52c05e7d82f4f07bb3a69

    • SHA256

      570388e1641bc609dff93db408507db3af7811d26c196165633d8119bd4f242e

    • SHA512

      b9415de8bcf4c893aa19c5e69518d3a2aa8011d40ea058db37191b614a0a2936d03189a605a706e97d528aa2edd073c3b3fe67ecd51fa54b20bc97cffe402aff

    • SSDEEP

      49152:dbA30FR+UWcENHLuyE64ho1isl0kkEZTMx1R3zcOZ1jFGuI0B:dbZ0UpE1Lu1qVZZTMx1JcOZbGkB

    • DcRat

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

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks