Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Layer Tablet Cryptographic DNS' = '<SYSTEM32>\zzrzckb.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Socket Search Parental List Spooler Engine] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
- Windows Security Center
Creates and executes the following:
- '<SYSTEM32>\hkdoosjftx.exe' "<SYSTEM32>\zzrzckb.exe"
- '%WINDIR%\Temp\rwbgi1a2w4m2nhktl.exe' -r 33255 tcp
- '%TEMP%\rwbgi150557cnhktlt4asqwx.exe'
- '<SYSTEM32>\zzrzckb.exe'
Modifies file system :
Creates the following files:
- <SYSTEM32>\kltvdvvrsgxgnik\run
- <SYSTEM32>\kltvdvvrsgxgnik\rng
- %WINDIR%\Temp\rwbgi1a2w4m2nhktl.exe
- <SYSTEM32>\kltvdvvrsgxgnik\cfg
- %TEMP%\rwbgi150557cnhktlt4asqwx.exe
- <SYSTEM32>\kltvdvvrsgxgnik\tst
- <SYSTEM32>\hkdoosjftx.exe
- <SYSTEM32>\zzrzckb.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\hkdoosjftx.exe
- <SYSTEM32>\zzrzckb.exe
Deletes the following files:
- %WINDIR%\Temp\rwbgi1a2w4m2nhktl.exe
- %TEMP%\rwbgi150557cnhktlt4asqwx.exe
Network activity:
Connects to:
- 'li###lept.net':80
- 'no###lept.net':80
- 'ca###reak.net':80
- 'no###ers.net':80
- 'li###rove.net':80
- 'no###rove.net':80
- 'li###ers.net':80
- 'po###hers.net':80
- 'ca###lept.net':80
- 'po###slept.net':80
- 'ca###ers.net':80
- 'po###break.net':80
- 'ca###rove.net':80
- 'po###prove.net':80
- 'fa###break.net':80
- 'ri###reak.net':80
- 'fa###prove.net':80
- 'so###fine.net':80
- 'fi###nice.net':80
- 'so###nice.net':80
- 'fi###fine.net':80
- 'ri###lept.net':80
- 'li###reak.net':80
- 'no###reak.net':80
- 'fa###slept.net':80
- 'ri###rove.net':80
- 'fa###hers.net':80
- 'ri###ers.net':80
- 'ri###nstorm.net':80
- 'of####urprise.net':80
- 'gw#####ynhuddleston.net':80
- 'ef###tbuilt.net':80
- 'we###lept.net':80
- 'fe###lept.net':80
- 'th###while.net':80
- 'de####promise.net':80
- 'jo####ymeasure.net':80
- 'or###thrown.net':80
- 'se####strong.net':80
- 'ch####nother.net':80
- 'mo####gduring.net':80
- 'si######edwerryhouse.net':80
- 'le###ers.net':80
- 'ta###hers.net':80
- 'le###lept.net':80
- 'ta###prove.net':80
- 'le###reak.net':80
- 'ta###break.net':80
- 'le###rove.net':80
- 'fe###rove.net':80
- 'we###ers.net':80
- 'fe###ers.net':80
- 'we###rove.net':80
- 'ta###slept.net':80
- 'we###reak.net':80
- 'fe###reak.net':80
TCP:
HTTP GET requests:
- http://li###lept.net/index.php
- http://no###lept.net/index.php
- http://ca###reak.net/index.php
- http://no###ers.net/index.php
- http://li###rove.net/index.php
- http://no###rove.net/index.php
- http://li###ers.net/index.php
- http://po###hers.net/index.php
- http://ca###lept.net/index.php
- http://po###slept.net/index.php
- http://ca###ers.net/index.php
- http://po###break.net/index.php
- http://ca###rove.net/index.php
- http://po###prove.net/index.php
- http://fa###break.net/index.php
- http://ri###reak.net/index.php
- http://fa###prove.net/index.php
- http://so###fine.net/index.php
- http://fi###nice.net/index.php
- http://so###nice.net/index.php
- http://fi###fine.net/index.php
- http://ri###lept.net/index.php
- http://li###reak.net/index.php
- http://no###reak.net/index.php
- http://fa###slept.net/index.php
- http://ri###rove.net/index.php
- http://fa###hers.net/index.php
- http://ri###ers.net/index.php
- http://ri###nstorm.net/index.php
- http://of####urprise.net/index.php
- http://gw#####ynhuddleston.net/index.php
- http://ef###tbuilt.net/index.php
- http://we###lept.net/index.php
- http://fe###lept.net/index.php
- http://th###while.net/index.php
- http://de####promise.net/index.php
- http://jo####ymeasure.net/index.php
- http://or###thrown.net/index.php
- http://se####strong.net/index.php
- http://ch####nother.net/index.php
- http://mo####gduring.net/index.php
- http://si######edwerryhouse.net/index.php
- http://le###ers.net/index.php
- http://ta###hers.net/index.php
- http://le###lept.net/index.php
- http://ta###prove.net/index.php
- http://le###reak.net/index.php
- http://ta###break.net/index.php
- http://le###rove.net/index.php
- http://fe###rove.net/index.php
- http://we###ers.net/index.php
- http://fe###ers.net/index.php
- http://we###rove.net/index.php
- http://ta###slept.net/index.php
- http://we###reak.net/index.php
- http://fe###reak.net/index.php
UDP:
- DNS ASK li###lept.net
- DNS ASK no###lept.net
- DNS ASK ca###reak.net
- DNS ASK no###ers.net
- DNS ASK li###rove.net
- DNS ASK no###rove.net
- DNS ASK li###ers.net
- DNS ASK po###hers.net
- DNS ASK ca###lept.net
- DNS ASK po###slept.net
- DNS ASK ca###ers.net
- DNS ASK po###break.net
- DNS ASK ca###rove.net
- DNS ASK po###prove.net
- DNS ASK fa###break.net
- DNS ASK ri###reak.net
- DNS ASK fa###prove.net
- DNS ASK so###fine.net
- DNS ASK fi###nice.net
- DNS ASK so###nice.net
- DNS ASK fi###fine.net
- DNS ASK ri###lept.net
- DNS ASK li###reak.net
- DNS ASK no###reak.net
- DNS ASK fa###slept.net
- DNS ASK ri###rove.net
- DNS ASK fa###hers.net
- DNS ASK ri###ers.net
- DNS ASK le###reak.net
- DNS ASK ri###nstorm.net
- DNS ASK of####urprise.net
- DNS ASK gw#####ynhuddleston.net
- DNS ASK fe###lept.net
- DNS ASK th###while.net
- DNS ASK ef###tbuilt.net
- DNS ASK ch####nother.net
- DNS ASK de####promise.net
- DNS ASK jo####ymeasure.net
- DNS ASK or###thrown.net
- DNS ASK mo####gduring.net
- DNS ASK si######edwerryhouse.net
- DNS ASK se####strong.net
- DNS ASK we###lept.net
- DNS ASK le###ers.net
- DNS ASK ta###hers.net
- DNS ASK le###lept.net
- DNS ASK ta###break.net
- DNS ASK le###rove.net
- DNS ASK ta###prove.net
- DNS ASK ta###slept.net
- DNS ASK fe###rove.net
- DNS ASK we###ers.net
- DNS ASK fe###ers.net
- DNS ASK we###reak.net
- DNS ASK fe###reak.net
- DNS ASK we###rove.net
- '23#.#55.255.250':1900
