General

  • Target

    31cd1e172d0375c8cd5e58929b7d235d389bbfeb5387488083c5b86c943d0b65.exe

  • Size

    37KB

  • Sample

    240817-r7ckcatgrr

  • MD5

    5c8eb40a1344bd8b18c1ef0d95d433d4

  • SHA1

    b6c1f037637936ae018cc5e3e17ab9f3cc8cb3ff

  • SHA256

    31cd1e172d0375c8cd5e58929b7d235d389bbfeb5387488083c5b86c943d0b65

  • SHA512

    74aa4c3047e5fff0b0d903841ceb01cd0e9939244c9008a9ae6a77ee5484290e7a0df56bbfc422ff5cf80012e84b75af2cf8840fd6ce6c80ea361fa07e5da577

  • SSDEEP

    384:z0ACT0i9PdTe/kCOyU7fwv9YDn6a5rAF+rMRTyN/0L+EcoinblneHQM3epzXONrz:YlV1CFU7fwyj6GrM+rMRa8Nuk/rt

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

puked

C2

147.185.221.20:47570

Mutex

20006afb0ec33f2e48c8c1f17d4d3382

Attributes
  • reg_key

    20006afb0ec33f2e48c8c1f17d4d3382

  • splitter

    |'|'|

Targets

    • Target

      31cd1e172d0375c8cd5e58929b7d235d389bbfeb5387488083c5b86c943d0b65.exe

    • Size

      37KB

    • MD5

      5c8eb40a1344bd8b18c1ef0d95d433d4

    • SHA1

      b6c1f037637936ae018cc5e3e17ab9f3cc8cb3ff

    • SHA256

      31cd1e172d0375c8cd5e58929b7d235d389bbfeb5387488083c5b86c943d0b65

    • SHA512

      74aa4c3047e5fff0b0d903841ceb01cd0e9939244c9008a9ae6a77ee5484290e7a0df56bbfc422ff5cf80012e84b75af2cf8840fd6ce6c80ea361fa07e5da577

    • SSDEEP

      384:z0ACT0i9PdTe/kCOyU7fwv9YDn6a5rAF+rMRTyN/0L+EcoinblneHQM3epzXONrz:YlV1CFU7fwyj6GrM+rMRa8Nuk/rt

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Modifies Windows Firewall

    • 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 autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

MITRE ATT&CK Enterprise v15

Tasks