General

  • Target

    421b344fbb33cfc8581d435a66583c6348d50e6d12535456dfcb042f18ed5f5b

  • Size

    1.3MB

  • Sample

    241221-txggnatjaq

  • MD5

    c23dbc67b39b0837feecc0fe2a5dd929

  • SHA1

    0c32b26999159c03e711bc320b38a55304ebf3bd

  • SHA256

    421b344fbb33cfc8581d435a66583c6348d50e6d12535456dfcb042f18ed5f5b

  • SHA512

    763eca9cb91228eb210f26c96e30ceecc3b78bc58b340bf25b240d01e9507cc315849dae48b239a70832586b9b073685ba524c58d4aeded7dd67423d5c1f3a93

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

Malware Config

Targets

    • Target

      421b344fbb33cfc8581d435a66583c6348d50e6d12535456dfcb042f18ed5f5b

    • Size

      1.3MB

    • MD5

      c23dbc67b39b0837feecc0fe2a5dd929

    • SHA1

      0c32b26999159c03e711bc320b38a55304ebf3bd

    • SHA256

      421b344fbb33cfc8581d435a66583c6348d50e6d12535456dfcb042f18ed5f5b

    • SHA512

      763eca9cb91228eb210f26c96e30ceecc3b78bc58b340bf25b240d01e9507cc315849dae48b239a70832586b9b073685ba524c58d4aeded7dd67423d5c1f3a93

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

    • 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.

    • 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

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks