General

  • Target
    2026-04-21_0bafb0e104d0b8fc77051d9a8741b346_amadey_cobian_elex_glassworm_karagany_njrat_rhadamanthys_smoke-loader_stop
  • Size 4.3MB
  • Sample260421-lqeeqact2n
  • SHA256 4bd29da1265368dcb51be71b2789cc2e1dafb560ff8e38447b6b6b704bd7abc6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • njrat

Version
  • v4.0

Botnet
  • SSS

C2
  • 52.221.249.38:5555

Mutex
  • Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Targets

    • Target
      2026-04-21_0bafb0e104d0b8fc77051d9a8741b346_amadey_cobian_elex_glassworm_karagany_njrat_rhadamanthys_smoke-loader_stop
    • Size 4.3MB
    • SHA256 4bd29da1265368dcb51be71b2789cc2e1dafb560ff8e38447b6b6b704bd7abc6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Custom signature

      Detects executables using attrib with suspicious attributes attributes

    • Custom signature

      Detects file containing reversed ASEP Autorun registry keys

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Network Service Discovery

      Attempt to gather information on host's network.

MITRE ATT&CK Enterprise v16

Tasks