Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'UPAS AgentUITrigger' = '%ProgramFiles%\UPAS\UPAS adlog\WindowsAgentUI.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\UPAS adlog] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\UPAS adlog] 'ImagePath' = '%ProgramFiles%\UPAS\UPAS adlog\adlog.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ProgramFiles%\UPAS\UPAS adlog\adlog.exe' = '%ProgramFiles%\UPAS\UPAS ...
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ProgramFiles%\UPAS\UPAS adlog\WindowsAgentUI.exe' = '%ProgramFiles%\U...
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram program="%ProgramFiles%\UPAS\UPAS adlog\adlog.exe" name="UPAS adlog"
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram program="%ProgramFiles%\UPAS\UPAS adlog\WindowsAgentUI.exe" name="WindowsAgentUI"
Modifies file system:
Creates the following files:
- %TEMP%\nsq2.tmp
- %TEMP%\nsw3.tmp\registry.dll
- %ProgramFiles%\UPAS\UPAS adlog\adlog.exe
- %ProgramFiles%\UPAS\UPAS adlog\sqlite3.dll
- %ProgramFiles%\UPAS\UPAS adlog\WindowsAgentUI.exe
- %ProgramFiles%\UPAS\UPAS adlog\logo_upas.ico
- %ProgramFiles%\UPAS\UPAS adlog\UPAS.bmp
- %TEMP%\nsw3.tmp\SimpleSC.dll
- %WINDIR%\Temp\ADLOG-2018-05-12.txt
- %TEMP%\nsw3.tmp\System.dll
- %WINDIR%\Temp\PMLOG-2018-05-12.txt
- %WINDIR%\Temp\WindowsAgent.db-journal
- %WINDIR%\Temp\WindowsAgent.db
- %TEMP%\nsw3.tmp\ExecCmd.dll
- %TEMP%\nsw3.tmp\ShellExecAsUser.dll
Deletes the following files:
- %WINDIR%\Temp\WindowsAgent.db-journal
- %TEMP%\nsw3.tmp\ExecCmd.dll
- %TEMP%\nsw3.tmp\registry.dll
- %TEMP%\nsw3.tmp\ShellExecAsUser.dll
- %TEMP%\nsw3.tmp\SimpleSC.dll
- %TEMP%\nsw3.tmp\System.dll
Substitutes the following files:
- %WINDIR%\Temp\WindowsAgent.db-journal
Network activity:
Connects to:
- 'localhost':49000
Miscellaneous:
Creates and executes the following:
- '%ProgramFiles%\UPAS\UPAS adlog\adlog.exe'
- '%ProgramFiles%\UPAS\UPAS adlog\WindowsAgentUI.exe'
Executes the following:
- '<SYSTEM32>\cmd.exe' /C netsh firewall add allowedprogram program="%ProgramFiles%\UPAS\UPAS adlog\adlog.exe" name="UPAS adlog"
- '<SYSTEM32>\cmd.exe' /C netsh firewall add allowedprogram program="%ProgramFiles%\UPAS\UPAS adlog\WindowsAgentUI.exe" name="WindowsAgentUI"