Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{64SWN0W5-H021-C7A3-14LC-3DO7PF561TSC}] 'StubPath' = '<SYSTEM32>\Load\BackupSys.exe Restart'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{64SWN0W5-H021-C7A3-14LC-3DO7PF561TSC}] 'StubPath' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'BackupSys' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'BackupSys' = ''
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\Load\BackupSys.exe
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
- %TEMP%\XxX.xXx
- %TEMP%\UuU.uUu
- %APPDATA%\logs.dat
- <SYSTEM32>\Load\BackupSys.exe
- %TEMP%\XX--XX--XX.txt
Sets the 'hidden' attribute to the following files:
- %APPDATA%\logs.dat
- <SYSTEM32>\Load\BackupSys.exe
Deletes the following files:
- %TEMP%\XxX.xXx
- %TEMP%\UuU.uUu
- %TEMP%\XX--XX--XX.txt
Network activity:
Connects to:
- '4u#####.redirectme.net':5555
- 'mo#####onnect.sytes.net':2012
UDP:
- DNS ASK 4u#####.redirectme.net
- DNS ASK mo#####onnect.sytes.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
