General

  • Target

    FpsOptimizer_ByKartavik.exe

  • Size

    93KB

  • Sample

    241227-p4vkmsvrdm

  • MD5

    0db33230bc1e881b68a31799335b53d9

  • SHA1

    f9f8eb1b71192000916de686b76c253acd8df57d

  • SHA256

    175698d488c8b8ec03b4647a3e183be501424b2cf353ae1edb1cdc16b7f8cb3f

  • SHA512

    e66d40aaca03d9302df5cb1cd5ed13b63fde98fd5b063d32c84e222e1eebd3b96cfb107010bf0ea2d04466b190d2f0a248ce018528948531d78c7fb58d176f16

  • SSDEEP

    768:YY3HepD9O/pBcxYsbae6GIXb9pDX2b9zPL0OXLeuXxrjEtCdnl2pi1Rz4Rk3wFse:neLOx6baIa9RIj00ljEwzGi1dDODpgS

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hakim32.ddns.net:2000

4.tcp.eu.ngrok.io:18952

Mutex

821a5e40838230be1ba47fe894e1e9d7

Attributes
  • reg_key

    821a5e40838230be1ba47fe894e1e9d7

  • splitter

    |'|'|

Targets

    • Target

      FpsOptimizer_ByKartavik.exe

    • Size

      93KB

    • MD5

      0db33230bc1e881b68a31799335b53d9

    • SHA1

      f9f8eb1b71192000916de686b76c253acd8df57d

    • SHA256

      175698d488c8b8ec03b4647a3e183be501424b2cf353ae1edb1cdc16b7f8cb3f

    • SHA512

      e66d40aaca03d9302df5cb1cd5ed13b63fde98fd5b063d32c84e222e1eebd3b96cfb107010bf0ea2d04466b190d2f0a248ce018528948531d78c7fb58d176f16

    • SSDEEP

      768:YY3HepD9O/pBcxYsbae6GIXb9pDX2b9zPL0OXLeuXxrjEtCdnl2pi1Rz4Rk3wFse:neLOx6baIa9RIj00ljEwzGi1dDODpgS

    • Njrat family

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops autorun.inf file

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks