Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Update' = '%APPDATA%\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Update' = '%APPDATA%\svchost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'svchost' = '%APPDATA%\Install\Host.exe'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{P2HS6W4T-M16S-63O5-N061-BDQICW15LK6G}] 'StubPath' = '"%APPDATA%\Install\Host.exe"'
Creates or modifies the following files:
- %WINDIR%\system.ini
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\amsint32] 'ImagePath' = '<DRIVERS>\ikpsn.sys'
Creates the following files on removable media:
- <Drive name for removable media>:\dloq.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Install\Host.exe' = '%APPDATA%\Install\Host.exe:*:Enabled:ip...
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\Host.exe' = '<SYSTEM32>\Host.exe:*:Enabled:ipsec'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
blocks execution of the following system utilities:
- Windows Security Center
blocks the following features:
- User Account Control (UAC)
- Windows Security Center
Creates and executes the following:
- '%APPDATA%\Install\Host.exe' "<SYSTEM32>\Host.exe"
- '%APPDATA%\svchost.exe'
- '<SYSTEM32>\Host.exe'
Injects code into
the following system processes:
- <SYSTEM32>\cscript.exe
a large number of user processes.
Modifies file system:
Creates the following files:
- %TEMP%\winfnsrb.exe
- <DRIVERS>\ikpsn.sys
- %TEMP%\wingroc.exe
- C:\jopy.exe
- C:\autorun.inf
- %APPDATA%\Install\.Identifier
- <SYSTEM32>\server1.jar
- <SYSTEM32>\server.jar
- <SYSTEM32>\Host.exe
- %APPDATA%\Install\Host.exe
- %APPDATA%\svchost.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\dloq.exe
- C:\jopy.exe
- %APPDATA%\Install\.Identifier
- C:\autorun.inf
Deletes the following files:
- %TEMP%\winfnsrb.exe
- %TEMP%\wingroc.exe
- <DRIVERS>\ikpsn.sys
- <SYSTEM32>\Host.exe
- %APPDATA%\Install\Host.exe
Network activity:
Connects to:
- 'bl####ills.ddns.net':1030
- '21#.#83.58.34':1030
- 'wp#d':80
TCP:
HTTP GET requests:
- http://11#.#11.111.1/wpad.dat via wp#d
UDP:
- DNS ASK bl####ills.ddns.net
- DNS ASK wp#d
