Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,%ALLUSERSPROFILE%\WuIEgAsU\lacMcYws.exe,'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'lacMcYws.exe' = '%ALLUSERSPROFILE%\WuIEgAsU\lacMcYws.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'SSIkQYgQ.exe' = '%HOMEPATH%\gOEYMkgs\SSIkQYgQ.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\vwYgEQEb] 'ImagePath' = '%ALLUSERSPROFILE%\tuIMYcEM\ZgMYMIIE.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\vwYgEQEb] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks the following features:
- User Account Control (UAC)
Executes the following:
- '<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v HideFileExt /t REG_DWORD /d 1
- '<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v Hidden /t REG_DWORD /d 2
- '<SYSTEM32>\reg.exe' add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f
- '<SYSTEM32>\cmd.exe' /c "<Current directory>\<File name>"
- '%HOMEPATH%\gOEYMkgs\SSIkQYgQ.exe'
- '%ALLUSERSPROFILE%\WuIEgAsU\lacMcYws.exe'
- '%ALLUSERSPROFILE%\tuIMYcEM\ZgMYMIIE.exe'
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\reg.exe
- <SYSTEM32>\cmd.exe
Modifies file system:
Creates the following files:
- %TEMP%\WER2855.dir00\appcompat.txt
- %TEMP%\WER2855.dir00\ZgMYMIIE.exe.hdmp
- %TEMP%\WERa6bc.dir00\ZgMYMIIE.exe.mdmp
- %TEMP%\WER2855.dir00\manifest.txt
- %TEMP%\WERbe62.dir00\appcompat.txt
- %TEMP%\WERbe62.dir00\ZgMYMIIE.exe.hdmp
- %TEMP%\WER2855.dir00\ZgMYMIIE.exe.mdmp
- %TEMP%\WERbe62.dir00\manifest.txt
- %TEMP%\WER139c.dir00\appcompat.txt
- %TEMP%\WER139c.dir00\ZgMYMIIE.exe.hdmp
- C:\Documents and Settings\LocalService\gOEYMkgs\SSIkQYgQ
- %TEMP%\WER139c.dir00\manifest.txt
- %TEMP%\WERa6bc.dir00\appcompat.txt
- %TEMP%\WERa6bc.dir00\ZgMYMIIE.exe.hdmp
- %TEMP%\WER139c.dir00\ZgMYMIIE.exe.mdmp
- %TEMP%\WERa6bc.dir00\manifest.txt
- %ALLUSERSPROFILE%\caQc.txt
- %ALLUSERSPROFILE%\tuIMYcEM\ZgMYMIIE.exe
- %TEMP%\WERcd19.dir00\ZgMYMIIE.exe.hdmp
- %TEMP%\WERcd19.dir00\ZgMYMIIE.exe.mdmp
- %ALLUSERSPROFILE%\WuIEgAsU\lacMcYws
- %HOMEPATH%\gOEYMkgs\SSIkQYgQ
- %ALLUSERSPROFILE%\WuIEgAsU\lacMcYws.exe
- %HOMEPATH%\gOEYMkgs\SSIkQYgQ.exe
- %TEMP%\WER4077.dir00\appcompat.txt
- %TEMP%\WER4077.dir00\ZgMYMIIE.exe.hdmp
- %TEMP%\WERbe62.dir00\ZgMYMIIE.exe.mdmp
- %TEMP%\WER4077.dir00\manifest.txt
- %TEMP%\WERcd19.dir00\manifest.txt
- %TEMP%\WERcd19.dir00\appcompat.txt
- %TEMP%\WER4077.dir00\ZgMYMIIE.exe.mdmp
- <Current directory>\<File name>
Deletes the following files:
- %TEMP%\EaMgUcUg.bat
Deletes itself.
Network activity:
Connects to:
- '74.##5.232.51':443
- 'ap#.###coincharts.com':443
- '74.##5.232.51':80
TCP:
HTTP GET requests:
- http://google.com/ via 74.##5.232.51
- http:/// via 74.##5.232.51
UDP:
- DNS ASK ma##.google.com
- DNS ASK ap#.###coincharts.com
- DNS ASK google.com
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: 'Run'
- ClassName: 'ConsoleWindowClass' WindowName: ''
- ClassName: 'RegEdit_RegEdit' WindowName: ''
- ClassName: '' WindowName: 'Open'
- ClassName: 'WorkerW' WindowName: ''
- ClassName: 'DV2ControlHost' WindowName: ''
- ClassName: 'BUTTON' WindowName: 'START'
- ClassName: '' WindowName: 'SSIkQYgQ.exe'
- ClassName: '' WindowName: 'Microsoft Windows'
- ClassName: '' WindowName: 'lacMcYws.exe'
- ClassName: '' WindowName: 'xSMgIcIg'
- ClassName: '' WindowName: 'Windows Internet Explorer'
- ClassName: '' WindowName: 'Open File'
- ClassName: 'Shell_TrayWnd' WindowName: ''
