Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\CBwNW.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\CBwNW.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\JqOgDHvNIwlwgj\CBwNW.dll"'
- [<HKLM>\System\CurrentControlSet\Services\mgGPiRaujwR.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\mgGPiRaujwR.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\GNPXvUzKHfsJ\mgGPiRaujwR.dll"'
- [<HKLM>\System\CurrentControlSet\Services\UDMhpyrcdQiv.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\UDMhpyrcdQiv.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\XDimCjEBS\UDMhpyrcdQiv.dll"'
Creates the following services
- 'CBwNW.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\JqOgDHvNIwlwgj\CBwNW.dll"
- 'mgGPiRaujwR.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\GNPXvUzKHfsJ\mgGPiRaujwR.dll"
- 'UDMhpyrcdQiv.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\XDimCjEBS\UDMhpyrcdQiv.dll"
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\regsvr32.exe' /S ..\uxevr1.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\uxevr2.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\uxevr3.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\uxevr4.ocx
Modifies file system
Creates the following files
- %HOMEPATH%\uxevr2.ocx
- %HOMEPATH%\uxevr3.ocx
- %HOMEPATH%\uxevr4.ocx
- <Current directory>\25061000
Moves the following files
- from %HOMEPATH%\uxevr2.ocx to <SYSTEM32>\jqogdhvniwlwgj\cbwnw.dll
- from %HOMEPATH%\uxevr3.ocx to <SYSTEM32>\gnpxvuzkhfsj\mggpiraujwr.dll
- from %HOMEPATH%\uxevr4.ocx to <SYSTEM32>\xdimcjebs\udmhpyrcdqiv.dll
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- 'mi###lent.com':443
- '17#.#12.193.249':8080
- '82.##3.21.224':8080
- '72.##.201.15':8080
- '20#.#14.109.124':443
- '45.##8.115.99':8080
- '16#.68.99.3':8080
- '10#.#0.28.102':8080
- '82.##5.152.127':8080
- '20#.#7.163.214':443
- '10#.#3.75.120':443
- '51.##4.140.238':7080
- '20#.#4.166.162':443
- '77.##.247.144':8080
- '19#.#18.30.83':443
- '15#.#5.140.115':443
- '15#.#5.66.124':8080
- '89.#9.244.7':443
- '17#.#39.37.178':8080
- '15#.#9.202.34':443
- '17#.#2.82.196':8080
- 'mo###orld.com':80
- 'mc####licschool.com':80
- 'oc##.#ectigo.com':80
- 'ku###kaci.com':80
- '11#.#93.124.41':7080
- '20#.#26.98.206':8080
TCP
HTTP GET requests
- http://ku###kaci.com/yarisma/cgi-bin/aIuI4Ukdtl730sP1F/
- http://oc##.#ectigo.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRDC9IOTxN6GmyRjyTl2n4yTUczyAQUjYxexFStiuF36Zv5mwXhuAGNYeECEAf58F5absN1EC7D0qhflgk%3D
- http://mc####licschool.com/Achievements/r4psv/
- http://mo###orld.com/aspnet_client/fTDJOdTa1USKl43wFtnb/
Other
- 'mi###lent.com':443
- '17#.#2.82.196':8080
- '15#.#9.202.34':443
- '15#.#5.66.124':8080
- '11#.#93.124.41':7080
- '51.##4.140.238':7080
UDP
- DNS ASK mi###lent.com
- DNS ASK ku###kaci.com
- DNS ASK oc##.#ectigo.com
- DNS ASK mc####licschool.com
- DNS ASK mo###orld.com
- DNS ASK st####.rapidssl.com
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\regsvr32.exe' /S ..\uxevr1.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\uxevr2.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\uxevr3.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\uxevr4.ocx' (with hidden window)
Executes the following
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\JqOgDHvNIwlwgj\CBwNW.dll"
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\GNPXvUzKHfsJ\mgGPiRaujwR.dll"
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\XDimCjEBS\UDMhpyrcdQiv.dll"
