Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>' = '"<Full path to file>" -mini'
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\vfnpcauk] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\vfnpcauk] 'ImagePath' = '"<Full path to file>" -service'
Malicious functions
Executes the following
- '<SYSTEM32>\net.exe' stop vss
Modifies file system
Creates the following files
- <Current directory>\log\log-2020-04-24.txt
- <Current directory>\ccboot.ini
Miscellaneous
Executes the following
- '<SYSTEM32>\wbem\wmic.exe' computersystem set AutomaticManagedPagefile=False
- '<SYSTEM32>\wbem\wmic.exe' pagefileset where name="D:\pagefile.sys" delete
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' "disable-computerrestore -drive C:\"
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' "disable-computerrestore -drive D:\"
- '<SYSTEM32>\net1.exe' stop vss
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore" /v RPSessionInterval /t REG_DWORD /d 0 /f
- '<SYSTEM32>\reg.exe' DELETE "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SPP\Clients" /f
- '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SPP\Clients" /f
