Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\tlZBjsQXtrIK.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\tlZBjsQXtrIK.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\VWZNcPimwzPBPt\tlZBjsQXtrIK.dll"'
- [<HKLM>\System\CurrentControlSet\Services\uGblayFhliy.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\uGblayFhliy.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\OfCFqCGbfsSPmzDy\uGblayFhliy.dll"'
Creates the following services
- 'tlZBjsQXtrIK.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\VWZNcPimwzPBPt\tlZBjsQXtrIK.dll"
- 'uGblayFhliy.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\OfCFqCGbfsSPmzDy\uGblayFhliy.dll"
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\regsvr32.exe' /S ..\oadw1.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\oadw2.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\oadw3.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\oadw4.ocx
Modifies file system
Creates the following files
- %HOMEPATH%\oadw1.ocx
- %HOMEPATH%\oadw3.ocx
- <Current directory>\fab21000
Moves the following files
- from %HOMEPATH%\oadw1.ocx to <SYSTEM32>\vwzncpimwzpbpt\tlzbjsqxtrik.dll
- from %HOMEPATH%\oadw3.ocx to <SYSTEM32>\ofcfqcgbfsspmzdy\ugblayfhliy.dll
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- 'yb#.##mediateam.com':80
- '14#.#6.131.28':8080
- '15#.#06.112.196':8080
- '20#.#4.166.162':443
- '18#.#4.20.25':443
- '10#.#32.242.26':8080
- '21#.#4.98.99':8080
- '5.#.116.246':8080
- '13#.#9.126.41':443
- '15#.#5.140.115':443
- '82.##5.152.127':8080
- '91.##7.28.33':8080
- '16#.#6.142.56':8080
- '19#.#18.30.83':443
- '45.##8.115.99':8080
- '20#.#89.28.199':8080
- '17#.#05.226.75':8080
- '14#.#1.78.55':443
- '13#.#48.6.80':443
- '21#.#39.212.5':443
- '45.##.191.130':443
- 'du##am.dk':80
- 'sm####nchising.com':80
- 'du####erzicgera.com':80
- '12#.#32.188.93':443
- '15#.#5.88.10':8080
TCP
HTTP GET requests
- http://yb#.##mediateam.com/wp-includes/uU0hig4dnTtbaW/
- http://du####erzicgera.com/App_Data/RiZCHA/
- http://sm####nchising.com/wp-content/LKQlLKENda0/
- http://du##am.dk/wordpress/Q/
Other
- '45.##.191.130':443
- '21#.#39.212.5':443
- '17#.#05.226.75':8080
- '14#.#6.131.28':8080
UDP
- DNS ASK yb#.##mediateam.com
- DNS ASK du####erzicgera.com
- DNS ASK sm####nchising.com
- DNS ASK du##am.dk
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\regsvr32.exe' /S ..\oadw1.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\oadw2.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\oadw3.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\oadw4.ocx' (with hidden window)
Executes the following
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\VWZNcPimwzPBPt\tlZBjsQXtrIK.dll"
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\OfCFqCGbfsSPmzDy\uGblayFhliy.dll"
