Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\RWLN] 'Startup' = 'WLEventStartup'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\RWLN] 'Logon' = 'WLEventLogon'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\RWLN] 'DllName' = 'RWLN.dll'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\RManService] 'ImagePath' = '%ProgramFiles%\Remote Manipulator System - Host\rutserv.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\RManService] 'Start' = '00000002'
Malicious functions:
Executes the following:
- '%ProgramFiles%\Remote Manipulator System - Host\rutserv.exe' /start
- '%ProgramFiles%\Remote Manipulator System - Host\rutserv.exe' /firewall
- '%ProgramFiles%\Remote Manipulator System - Host\rutserv.exe'
- '<SYSTEM32>\cmd.exe' /c %TEMP%\killself.bat
- '%ProgramFiles%\Remote Manipulator System - Host\rfusclient.exe' /tray
- '<SYSTEM32>\msiexec.exe' /i "%TEMP%\7ZipSfx.000\rms.host6.3ru_mod.msi" /qn
- '%TEMP%\7ZipSfx.000\installer.exe' /rsetup
- '<SYSTEM32>\msiexec.exe' /V
- '%ProgramFiles%\Remote Manipulator System - Host\rutserv.exe' /silentinstall
- '<SYSTEM32>\msiexec.exe' -Embedding 33960F1BD0995CFC27B7E9A48117C242
Modifies file system:
Creates the following files:
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\progress.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\rmsui2.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\fwproc.exe
- %ProgramFiles%\Remote Manipulator System - Host\rutserv.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\rms.ini
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\rmspm.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\rmsui.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\VPDAgent_x64.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\setupdrv.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\srvinst_x64.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\uninstall.cmd
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\rms.gpd
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\install.cmd
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\unires_vpd.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\ntprint.inf
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\unidrv_rms.hlp
- %ProgramFiles%\Remote Manipulator System - Host\rfusclient.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\rms_s.lng
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\stdnames_vpd.gpd
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\rms.lng
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\unidrv_rms.dll
- %WINDIR%\Installer\{9B149A31-6736-4195-8F11-4FDCF6D84DE1}\server_stop_27D7873393984316BEA10FB36BB4D2F9.exe
- %WINDIR%\Installer\{9B149A31-6736-4195-8F11-4FDCF6D84DE1}\server_config_C8E9A92497A149D695F92E4E3AE550F0.exe
- %WINDIR%\Installer\{9B149A31-6736-4195-8F11-4FDCF6D84DE1}\UNINST_Uninstall_R_3B1E3C8B7D0945898DA82CEEED02F0C7.exe
- %WINDIR%\Installer\1fc9f.msi
- %WINDIR%\Installer\{9B149A31-6736-4195-8F11-4FDCF6D84DE1}\ARPPRODUCTICON.exe
- %ProgramFiles%\Remote Manipulator System - Host\Logs\rms_log_2016-11.html
- %TEMP%\killself.bat
- %TEMP%\~DF255F.tmp
- %WINDIR%\Installer\{9B149A31-6736-4195-8F11-4FDCF6D84DE1}\server_start_C00864331B9D4391A8A26292A601EBE2.exe
- <SYSTEM32>\RWLN.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\install.cmd
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\uninstall.cmd
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\ntprint.inf
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\unidrvui_rms.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\unires_vpd.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\rms_s.lng
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\unidrv_rms.hlp
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\rms.lng
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\rms.gpd
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x64\stdnames_vpd.gpd
- %WINDIR%\Installer\MSI8.tmp
- C:\Config.Msi\1fc9e.rbs
- %TEMP%\~DF2851.tmp
- %WINDIR%\Installer\MSI7.tmp
- %WINDIR%\Installer\1fc9d.ipi
- %TEMP%\Cab10.tmp
- %ProgramFiles%\Remote Manipulator System - Host\English.lg
- %TEMP%\CabE.tmp
- %TEMP%\CabA.tmp
- %TEMP%\CabC.tmp
- %APPDATA%\Microsoft\CryptnetUrlCache\MetaData\2BF68F4714092295550497DD56F57004
- %APPDATA%\Microsoft\CryptnetUrlCache\Content\2BF68F4714092295550497DD56F57004
- %WINDIR%\Installer\1fc9b.msi
- %TEMP%\7ZipSfx.000\rms.host6.3ru_mod.msi
- %TEMP%\7ZipSfx.000\installer.exe
- %TEMP%\Cab3.tmp
- %TEMP%\Cab5.tmp
- %TEMP%\Cab1.tmp
- %APPDATA%\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
- %APPDATA%\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
- %ProgramFiles%\Remote Manipulator System - Host\webmvorbisencoder.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\setupdrv.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\srvinst.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\SampleClient.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\progress.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\rmsui2.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\unidrv_rms.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\unidrvui_rms.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\rmsui.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\VPDAgent.exe
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\rmspm.dll
- %ProgramFiles%\Remote Manipulator System - Host\EULA.rtf
- %ProgramFiles%\Remote Manipulator System - Host\RIPCServer.dll
- %ProgramFiles%\Remote Manipulator System - Host\vp8decoder.dll
- %ProgramFiles%\Remote Manipulator System - Host\RWLN.dll
- %ProgramFiles%\Remote Manipulator System - Host\vp8encoder.dll
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\rms.ini
- %ProgramFiles%\Remote Manipulator System - Host\Printer\x86\fwproc.exe
- %ProgramFiles%\Remote Manipulator System - Host\Russian.lg
- %ProgramFiles%\Remote Manipulator System - Host\webmvorbisdecoder.dll
- %ProgramFiles%\Remote Manipulator System - Host\webmmux.dll
Deletes the following files:
- C:\Config.Msi\1fc9e.rbs
- %WINDIR%\Installer\MSI8.tmp
- %TEMP%\Cab10.tmp
- %WINDIR%\Installer\1fc9b.msi
- %TEMP%\7ZipSfx.000\rms.host6.3ru_mod.msi
- %TEMP%\7ZipSfx.000\installer.exe
- %WINDIR%\Installer\1fc9d.ipi
- %TEMP%\Cab5.tmp
- %TEMP%\Cab3.tmp
- %TEMP%\Cab1.tmp
- %WINDIR%\Installer\MSI7.tmp
- %TEMP%\CabE.tmp
- %TEMP%\CabC.tmp
- %TEMP%\CabA.tmp
Network activity:
Connects to:
- 'tl.##mcb.com':80
- 'rm##sys.ru':80
- 'wp#d':80
- 'www.download.windowsupdate.com':80
TCP:
HTTP GET requests:
- http://tl.##mcb.com/tl.crt
- http://rm##sys.ru/utils/inet_id_notify.php?te####
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
- http://11#.#11.111.1/wpad.dat via wp#d
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootseq.txt
UDP:
- DNS ASK tl.##mcb.com
- DNS ASK rm##sys.ru
- DNS ASK wp#d
- DNS ASK www.download.windowsupdate.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
