Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\lckriqntow.vjh] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\lckriqntow.vjh] 'ImagePath' = '%WINDIR%\SysWOW64\regsvr32.exe /s "%WINDIR%\SysWOW64\Jbdlvxlkdsxkw\lckriqntow.vjh"'
Creates the following services
- 'lckriqntow.vjh' %WINDIR%\SysWOW64\regsvr32.exe /s "%WINDIR%\SysWOW64\Jbdlvxlkdsxkw\lckriqntow.vjh"
Malicious functions
Executes the following (exploit)
- '%WINDIR%\syswow64\regsvr32.exe' -s ..\nhth.dll
Modifies file system
Creates the following files
- %HOMEPATH%\nhth.dll
- <Current directory>\a4631000
Moves the following files
- from %HOMEPATH%\nhth.dll to %WINDIR%\syswow64\jbdlvxlkdsxkw\lckriqntow.vjh
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- 'fc###insaat.com':80
- '58.##7.42.236':80
- '46.##.222.11':443
- '45.##6.232.124':443
- '19#.#01.151.129':8080
- '15#.#06.112.196':8080
- '20#.#50.246.206':443
- '13#.#00.24.231':80
- '18#.#26.111.200':7080
- '19#.#54.133.20':443
- '1.##4.2.232':8080
- '16#.#9.115.35':8080
- '5.#.116.246':8080
- '18#.#.212.130':7080
- '31.##.158.56':8080
- '45.##2.114.231':8080
- '79.##2.212.216':8080
- '45.##8.135.203':7080
- '16#.68.99.3':8080
- '51.#1.7.5':8080
- '17#.#12.193.249':8080
- '50.##.40.196':8080
- '19#.#9.251.50':443
- '79.##3.187.147':443
- '18#.#32.46.161':443
- '51.#1.76.89':8080
- '11#.#93.124.41':7080
- '17#.#04.106.96':8080
- '1.##4.21.73':7080
- '82.##5.152.127':8080
- '16#.#72.253.162':8080
- '15#.#03.141.156':8080
- '15#.#26.146.25':7080
- '10#.#5.201.2':443
- '18#.#4.20.25':443
- '10#.50.0.91':8080
- '15#.#5.88.10':8080
- '17#.#6.128.118':443
- '72.##.201.15':8080
- '20#.#14.109.124':443
- '21#.#37.17.99':8080
- '21#.#58.226.206':443
- '14#.#9.226.45':443
- '17#.#9.147.66':8080
TCP
HTTP GET requests
- http://fc###insaat.com/wp-content/Cw3aR6792f/
Other
- '79.##3.187.147':443
- '18#.#32.46.161':443
- '51.#1.76.89':8080
- '11#.#93.124.41':7080
- '17#.#04.106.96':8080
- '10#.#5.201.2':443
- '17#.#6.128.118':443
- '20#.#14.109.124':443
- '19#.#9.251.50':443
- '50.##.40.196':8080
- '58.##7.42.236':80
- '46.##.222.11':443
- '13#.#00.24.231':80
- '79.##2.212.216':8080
- '14#.#9.226.45':443
UDP
- DNS ASK fc###insaat.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\regsvr32.exe' -s ..\nhth.dll' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\regsvr32.exe' /s "%WINDIR%\SysWOW64\Jbdlvxlkdsxkw\lckriqntow.vjh"
