Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Detection Firewall PC Net.Tcp Thread IP' = 'C:\cykmhwth\rknfnba.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Reports Source Accounts] 'ImagePath' = 'C:\cykmhwth\rknfnba.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\Reports Source Accounts] 'Start' = '00000002'
Malicious functions:
Executes the following:
- 'C:\cykmhwth\suozucdnrvew.exe' "c:\cykmhwth\rknfnba.exe"
- 'C:\cykmhwth\rknfnba.exe'
- 'C:\cykmhwth\kul30fnfifxi3jhbaio.exe'
Modifies file system:
Creates the following files:
- C:\cykmhwth\rknfnba.exe
- C:\cykmhwth\suozucdnrvew.exe
- C:\cykmhwth\svzzbhvpl
- %WINDIR%\cykmhwth\nrdks6k
- C:\cykmhwth\nrdks6k
- C:\cykmhwth\kul30fnfifxi3jhbaio.exe
Sets the 'hidden' attribute to the following files:
- C:\cykmhwth\suozucdnrvew.exe
- C:\cykmhwth\rknfnba.exe
Deletes the following files:
- C:\cykmhwth\kul30fnfifxi3jhbaio.exe
- %WINDIR%\cykmhwth\nrdks6k
Substitutes the following files:
- %WINDIR%\cykmhwth\nrdks6k
Network activity:
Connects to:
- '98.##.223.221':20922
- '94.##1.114.138':44254
- '81.##7.50.99':52074
- '20#.#36.131.186':52293
- '11#.#6.137.96':49919
- '18#.#22.43.28':46084
- '87.##.38.225':33631
- '5.##.19.242':27426
- '73.##.228.84':36884
- '78.#7.87.58':21017
- '12#.#60.112.138':27440
- '61.##6.2.217':25840
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
