Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\jJfxHXq.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\jJfxHXq.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\MRgUU\jJfxHXq.dll"'
Creates the following services
- 'jJfxHXq.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\MRgUU\jJfxHXq.dll"
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\regsvr32.exe' /S ..\hhwe1.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\hhwe2.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\hhwe3.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\hhwe4.ocx
Modifies file system
Creates the following files
- %HOMEPATH%\hhwe3.ocx
- <Current directory>\bf011000
Moves the following files
- from %HOMEPATH%\hhwe3.ocx to <SYSTEM32>\mrguu\jjfxhxq.dll
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- 'ca##ofu.com':443
- '16#.#72.253.162':8080
- '72.##.201.15':8080
- '10#.#70.39.149':8080
- '16#.#6.142.56':8080
- '15#.#5.140.115':443
- '19#.#18.30.83':443
- '82.##5.152.127':8080
- '10#.#5.201.2':443
- '10#.#3.75.120':443
- '12#.#32.188.93':443
- '51.#1.76.89':8080
- '10#.50.0.91':8080
- '10#.#32.242.26':8080
- '20#.#7.163.214':443
- '18#.#.135.165':8080
- '20#.#4.166.162':443
- '17#.#04.251.154':8080
- '82.##3.21.224':8080
- '41.##.252.195':443
- '51.##1.73.194':443
- '17#.#05.226.75':8080
- 'x1.#.lencr.org':80
- '14#.#1.78.55':443
- '13#.#48.6.80':443
- '13#.#62.113.169':8080
- 'fi###.##m.gunadarma.ac.id':443
- 'ba####controlbd.com':80
- 'ce##co.es':443
- '15#.#06.112.196':8080
- '13#.#22.66.193':8080
TCP
HTTP GET requests
- http://ba####controlbd.com/cgi-bin/Gu0xno0kIssGJF8/
- http://x1.#.lencr.org/
Other
- 'ca##ofu.com':443
- 'fi###.##m.gunadarma.ac.id':443
- '13#.#62.113.169':8080
- '17#.#05.226.75':8080
- '51.##1.73.194':443
- '10#.#5.201.2':443
UDP
- DNS ASK ca##ofu.com
- DNS ASK ce##co.es
- DNS ASK ba####controlbd.com
- DNS ASK fi###.##m.gunadarma.ac.id
- DNS ASK x1.#.lencr.org
- DNS ASK st####.rapidssl.com
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\regsvr32.exe' /S ..\hhwe1.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\hhwe2.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\hhwe3.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\hhwe4.ocx' (with hidden window)
Executes the following
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\MRgUU\jJfxHXq.dll"
