Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000002] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000003] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000004] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries\000000000001] 'LibraryPath' = 'mswsock.dll'
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries\000000000003] 'LibraryPath' = 'mswsock.dll'
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000001] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000005] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000009] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000010] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000011] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000006] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000007] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000008] 'PackedCatalogItem' = ''
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\.mrxsmb] 'ImagePath' = '\?'
Malicious functions:
Injects code into
the following system processes:
- <SYSTEM32>\winlogon.exe
- %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
- %WINDIR%\$NtUninstallKB27979$\4121336045\@
- %WINDIR%\$NtUninstallKB27979$\4121336045\L\alehhooo
- %WINDIR%\$NtUninstallKB27979$\4121336045\Desktop.ini
Deletes itself.
Network activity:
Connects to:
- '21#.#08.252.185':80
- 'pr####.fling.com':80
TCP:
HTTP GET requests:
- 21#.#08.252.185/5699002-2F6F334BF9ACF1B2401D3874A5B0C048/counter.img?th################################
- 21#.#08.252.185/5699002-2F6F334BF9ACF1B2401D3874A5B0C048/counter.img?th###############################
- pr####.fling.com/geo/txt/city.php
UDP:
- DNS ASK ^�#Ƚ��
- DNS ASK ^�#Y,�W
- DNS ASK ^�#: y
- DNS ASK ^�#,� �
- DNS ASK ^�#�EH
- DNS ASK ^�#cK3
- DNS ASK ^�#���
- DNS ASK pr####.fling.com
- DNS ASK ^�# �l
- DNS ASK ^�#��[w
- DNS ASK ^�# n�^
- '98.##5.75.37':16471
- '75.##.219.33':16471
- '24.##8.34.32':16471
- '17#.#16.98.208':16471
- '41.##.182.210':16471
- '20#.#20.224.37':16471
- '75.##.131.25':16471
- '17#.#0.207.24':16471
- '95.##.172.218':16471
- '78.##4.244.23':16471
- '65.##.192.214':16471
- '18#.#9.106.25':16471
- '24.##8.92.217':16471
- '95.##3.60.203':16471
- '67.##3.77.203':16471
- '50.#9.74.50':16471
- '18#.#5.27.201':16471
- '76.##9.27.203':16471
- '20#.#95.129.52':16471
- '75.##8.186.204':16471
- '67.##8.122.39':16471
- '68.##.165.38':16471
- '12#.#25.13.208':16471
- '98.##5.157.44':16471
- '74.##.156.44':16471
- '66.#6.17.41':16471
- '76.##7.122.9':16471
- '75.#5.45.8':16471
- '20#.#97.216.237':16471
- '98.##5.193.234':16471
- '76.##8.241.234':16471
- '21#.#03.118.10':16471
- '68.#1.178.7':16471
- '11#.#23.162.239':16471
- '2.###.28.246':16471
- '22#.#47.147.248':16471
- '17#.#77.240.5':16471
- '67.##2.226.4':16471
- '19#.#14.141.3':16471
- '24.##7.228.16':16471
- '31.##.189.15':16471
- '20#.#39.57.15':16471
- '70.#1.43.19':16471
- '11#.#53.148.222':16471
- '24.##4.198.223':16471
- '67.#2.4.226':16471
- '76.##3.153.12':16471
- '76.##.124.12':16471
- '71.#28.8.12':16471
- '98.##0.78.226':16471
- '70.#8.96.14':16471
- '17#.#27.138.13':16471
