Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'Update' = '"%HOMEPATH%\Svchost.exe" ..'
- [HKLM\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run] 'Update' = '"%HOMEPATH%\Svchost.exe" ..'
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\update.exe
Malicious functions
Executes the following
- '%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%HOMEPATH%\Svchost.exe" "Svchost.exe" ENABLE
Modifies file system
Creates the following files
- %HOMEPATH%\svchost.exe
- %LOCALAPPDATA%\microsoft\clr_v4.0_32\usagelogs\<File name>.exe.log
Network activity
Connects to
- '0.###.sa.ngrok.io':13023
UDP
- DNS ASK 0.###.sa.ngrok.io
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\svchost.exe'
Executes the following
- '%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%HOMEPATH%\Svchost.exe" "Svchost.exe" ENABLE' (with hidden window)
