Technical Information
To ensure autorun and distribution
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\YGukpRQlvGYx.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\YGukpRQlvGYx.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\KVWLwAMBJLvqyZM\YGukpRQlvGYx.dll"'
- [<HKLM>\System\CurrentControlSet\Services\djdmxOjBP.dll] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\djdmxOjBP.dll] 'ImagePath' = '<SYSTEM32>\regsvr32.exe "<SYSTEM32>\TfaZRemi\djdmxOjBP.dll"'
Creates the following services
- 'YGukpRQlvGYx.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\KVWLwAMBJLvqyZM\YGukpRQlvGYx.dll"
- 'djdmxOjBP.dll' <SYSTEM32>\regsvr32.exe "<SYSTEM32>\TfaZRemi\djdmxOjBP.dll"
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\regsvr32.exe' /S ..\hso1.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\hso2.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\hso3.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\hso4.ocx
Modifies file system
Creates the following files
- %HOMEPATH%\hso2.ocx
- %HOMEPATH%\hso3.ocx
- <Current directory>\ffe21000
Moves the following files
- from %HOMEPATH%\hso2.ocx to <SYSTEM32>\kvwlwambjlvqyzm\ygukprqlvgyx.dll
- from %HOMEPATH%\hso3.ocx to <SYSTEM32>\tfazremi\djdmxojbp.dll
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- 'dr####4tomorrow.org':443
- '78.##.204.80':443
- '62.##1.178.147':8080
- '10#.#6.149.105':8080
- '10#.#1.204.169':8080
- '19#.#99.70.22':8080
- '10#.85.95.4':8080
- '20#.#34.4.210':7080
- '87.##6.97.83':7080
- '17#.#2.112.199':8080
- '16#.#2.254.236':8080
- '85.##4.67.203':8080
- '20#.#9.239.162':443
- '10#.#24.241.74':8080
- '20#.#8.34.99':8080
- '21#.#7.209.142':8080
- '54.##.106.167':8080
- '64.##7.55.231':8080
- '16#.#32.185.110':8080
- '11#.#8.72.86':443
- 'du####erzicgera.com':80
- 'sm####nchising.com':80
- 'go####heartk9s.org':80
- '46.##1.234.246':8080
- '77.##.149.48':8080
- '15#.#45.111.0':8080
- '37.##7.114.15':8080
- '17#.#26.176.79':8080
- '46.##1.98.60':8080
- '88.##7.172.165':8080
- '11#.#24.128.206':8080
- '15#.#30.99.206':8080
- '10#.#54.12.236':7080
- '19#.#4.98.190':8080
- '54.##.228.122':443
- '19#.145.8.4':443
- '85.##.120.45':8080
TCP
HTTP GET requests
- http://du####erzicgera.com/App_Data/ZY7heGPNpm7b4Zw/
- http://sm####nchising.com/wp-content/dpFsBFA2LfYk3mlN/
- http://go####heartk9s.org/2tbcs/LkUxcRQU/
Other
- 'dr####4tomorrow.org':443
- '15#.#45.111.0':8080
- '37.##7.114.15':8080
- '11#.#24.128.206':8080
- '19#.#4.98.190':8080
- '54.##.106.167':8080
- '19#.#99.70.22':8080
- '17#.#2.112.199':8080
- '20#.#9.239.162':443
- '10#.#24.241.74':8080
UDP
- DNS ASK dr####4tomorrow.org
- DNS ASK du####erzicgera.com
- DNS ASK sm####nchising.com
- DNS ASK go####heartk9s.org
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\regsvr32.exe' /S ..\hso1.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\hso2.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\hso3.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\hso4.ocx' (with hidden window)
Executes the following
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\KVWLwAMBJLvqyZM\YGukpRQlvGYx.dll"
- '<SYSTEM32>\regsvr32.exe' "<SYSTEM32>\TfaZRemi\djdmxOjBP.dll"
