General

  • Target

    kirrstar.exe

  • Size

    1.9MB

  • Sample

    241102-l1tbmazpex

  • MD5

    782545ebb1627aafbdd1f71cc52e50c7

  • SHA1

    b1d27c1e03fe974d50137057951d1777439cc613

  • SHA256

    e810c9445e775019ee32d4a0d4aba7315a5e44527e854a444ad7f072c7dd891f

  • SHA512

    9083e247eebc90392c4a2b9e4b10a9c81eec85dc9a13c3f9b539918c7225d730f8dc470769ccdeb2bdf139ff68f6c640f7d2a1cd3bf1396236de80b5af7bf07c

  • SSDEEP

    49152:HbA3FaX7C/8hUYjLY7rtMfDYj8Fun8rxe0SdqY:HbbX7C0E+Yjg9xnyv

Malware Config

Targets

    • Target

      kirrstar.exe

    • Size

      1.9MB

    • MD5

      782545ebb1627aafbdd1f71cc52e50c7

    • SHA1

      b1d27c1e03fe974d50137057951d1777439cc613

    • SHA256

      e810c9445e775019ee32d4a0d4aba7315a5e44527e854a444ad7f072c7dd891f

    • SHA512

      9083e247eebc90392c4a2b9e4b10a9c81eec85dc9a13c3f9b539918c7225d730f8dc470769ccdeb2bdf139ff68f6c640f7d2a1cd3bf1396236de80b5af7bf07c

    • SSDEEP

      49152:HbA3FaX7C/8hUYjLY7rtMfDYj8Fun8rxe0SdqY:HbbX7C0E+Yjg9xnyv

    • 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.

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks