Resubmissions

16-11-2024 10:31

241116-mkna4sylcm 10

General

  • Target

    Bridgewebsvc.exe

  • Size

    828KB

  • Sample

    241116-mkna4sylcm

  • MD5

    fddea23e803e9e5de212e4c0475c8f93

  • SHA1

    c4426bf36ce54917155da2bfbec1508c5a799664

  • SHA256

    f014b4dd1600fb5ecd92de55165573415c2d7ee184a4f70f2f975ee7909150f6

  • SHA512

    05459fc75998ee306e8de7e544aaf744e5c6e1930dcb7e02b94a566a7ad6e874a9fe50a78a1da50b4e7110282e49353f8ced586117d772b600b84d09ee070591

  • SSDEEP

    12288:F+RK+UfXST5/rKMyFckcb8M41AT0z/GAFPz3DhsHxrofdV:5STuMMATKPTVgxr4

Malware Config

Targets

    • Target

      Bridgewebsvc.exe

    • Size

      828KB

    • MD5

      fddea23e803e9e5de212e4c0475c8f93

    • SHA1

      c4426bf36ce54917155da2bfbec1508c5a799664

    • SHA256

      f014b4dd1600fb5ecd92de55165573415c2d7ee184a4f70f2f975ee7909150f6

    • SHA512

      05459fc75998ee306e8de7e544aaf744e5c6e1930dcb7e02b94a566a7ad6e874a9fe50a78a1da50b4e7110282e49353f8ced586117d772b600b84d09ee070591

    • SSDEEP

      12288:F+RK+UfXST5/rKMyFckcb8M41AT0z/GAFPz3DhsHxrofdV:5STuMMATKPTVgxr4

    • DcRat

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

    • Dcrat family

    • Modifies WinLogon for persistence

    • 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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks