Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = '%WINDIR%\Microsoft\svchost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = '%WINDIR%\Microsoft\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Avirnt' = '%WINDIR%\Microsoft\svchost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Avirnt' = '%WINDIR%\Microsoft\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{3VB30NA0-ISEI-C6I3-KQ4C-17BCK80I27P5}] 'StubPath' = '%WINDIR%\Microsoft\svchost.exe Restart'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{3VB30NA0-ISEI-C6I3-KQ4C-17BCK80I27P5}] 'StubPath' = '%WINDIR%\Microsoft\svchost.exe'
Malicious functions:
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
the following user processes:
- svchost.exe
Modifies file system:
Creates the following files:
- %TEMP%\LoMkjwQ.exe
- %TEMP%\aOOOOO.xml
- %TEMP%\core.exe
- %TEMP%\aeeeee.xml
- %WINDIR%\Microsoft\svchost.exe
- %TEMP%\XX--XX--XX.txt
- %APPDATA%\logs.dat
- %TEMP%\XxX.xXx
- %TEMP%\UuU.uUu
- %TEMP%\aMMMMM.xml
- %TEMP%\alllll.xml
Sets the 'hidden' attribute to the following files:
- %WINDIR%\Microsoft\svchost.exe
- %APPDATA%\logs.dat
Deletes the following files:
- %TEMP%\aOOOOO.xml
- %TEMP%\XX--XX--XX.txt
- %TEMP%\UuU.uUu
- %TEMP%\XxX.xXx
- %TEMP%\aeeeee.xml
- %TEMP%\aMMMMM.xml
- %TEMP%\alllll.xml
Substitutes the following files:
- %TEMP%\UuU.uUu
- %TEMP%\XxX.xXx
- %TEMP%\aeeeee.xml
- %TEMP%\alllll.xml
Network activity:
Connects to:
- 'ni####.duckdns.org':2018
UDP:
- DNS ASK ni####.duckdns.org
Miscellaneous:
Creates and executes the following:
- '<Full path to file>'
- '%TEMP%\core.exe' -woohoo 2936 %TEMP%\LoMkjwQ.exe
- '%WINDIR%\Microsoft\svchost.exe'
- '%TEMP%\core.exe' -woohoo 3676 %TEMP%\LoMkjwQ.exe
- '%TEMP%\core.exe' -woohoo 3904 %TEMP%\LoMkjwQ.exe
Executes the following:
- '<SYSTEM32>\schtasks.exe' /Create /TN "Update\HwgugQ" /XML "%TEMP%\aOOOOO.xml"
- '<SYSTEM32>\schtasks.exe' /Create /TN "Update\HwgugQ" /XML "%TEMP%\aeeeee.xml"
- '<SYSTEM32>\schtasks.exe' /Create /TN "Update\HwgugQ" /XML "%TEMP%\aMMMMM.xml"
- '<SYSTEM32>\schtasks.exe' /Create /TN "Update\HwgugQ" /XML "%TEMP%\alllll.xml"
