General

  • Target

    5c8eb40a1344bd8b18c1ef0d95d433d4.bin

  • Size

    16KB

  • Sample

    240818-bt91paxgjd

  • MD5

    6fe91309ac4d0a01594da074130037c9

  • SHA1

    f5ea94e6acd5a7e4dbf2c423da75599d7417c727

  • SHA256

    14cc49ea0a260cd7c715519cc80099b1f4cbf3b35ab34e0ac2d61b3640d7b45b

  • SHA512

    4f2b24a819edb2affc8b62688d5417190c7f5e90b5e65b08337f590f4688521c0c9af114d6ac8d96aca21d4c6a4cf7e4dbe5d940906451dd843a090a1604ca96

  • SSDEEP

    384:bCcyg2SwaF1ejTVhSQQMjA4EjhuFonQWYmV/2AR8RkDpck:ZyRSdFwDSnM6jhlnqER8YP

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