General

  • Target

    EverythingByCatBeLIke.rar

  • Size

    26KB

  • Sample

    240323-xf7jasah42

  • MD5

    f52dbdf12f2e2497b622d89cff1ab9e6

  • SHA1

    c4365aeb1ce31d2a5226c0613d3b505892b6b171

  • SHA256

    967b9a6aa54361d4b7d85cfb1f6e0d9a40f6ab8a747c56a611f92eafbf73044f

  • SHA512

    70e14e370a02e5c72d857d1a051ef6acba6f4eeb5a87553bd0c4f71f5d4d089244f4ecf18c7478c8eced85a98c9c7719438adff52789b767455c34660e4559e0

  • SSDEEP

    384:3rNl/cIS3koR6QC8KiGbMf0aZ0WTpfEilTmXa+ykRpGElo4Gry9CpCOaTmPpvv7o:bNxgLTITbMfffCwTZS/TqKdb02

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HackedMaybe

C2

low-feeding.gl.at.ply.gg:9626

Mutex

fef3ec8d2c0b7123cd75aab472016f88

Attributes
  • reg_key

    fef3ec8d2c0b7123cd75aab472016f88

  • splitter

    |'|'|

Targets

    • Target

      EverythingByCatBeLIke.exe

    • Size

      65KB

    • MD5

      d6267748433df9b45b3663395200be37

    • SHA1

      9cdae2d818e64a08b56cca86f6b5c8a9c005c638

    • SHA256

      17a524ab632ee5c498db7f5464af542145ed96e0a19013b0488d56879928dc70

    • SHA512

      5d6c90b37085cbff6f43bd2f5e33ca01523685a2742a257f7ea487dea1713f603ba864ca529f76b94886afe54f2dacd832a2d5b96b712072febf7d7b5d2e8ae9

    • SSDEEP

      1536:iUO1V6I2mk1+gRJNEp31mgjpbQL0+fqap9VEl:i9T6ZP+yJ2p31mgjio+Sap9VEl

    • DcRat

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

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

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

    • UAC bypass

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks