Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'GrpConv' = 'grpconv -o'
- [<HKLM>\SOFTWARE\Classes\MSProgramGroup\Shell\Open\Command] '' = '<SYSTEM32>\grpconv.exe %1'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'scfpwb' = '%APPDATA%\b2l0zj6.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Sxikihuvuw' = 'rundll32.exe "%WINDIR%\plolsels.dll",Startup'
- [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\312348832] 'Name' = '"%TEMP%\5.tmp"'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\MouseDriver] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- %APPDATA%\b2l0zj6.exe -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
- "%TEMP%\fpcf.exe" (downloaded from the Internet)
- "%TEMP%\bkfj.exe" (downloaded from the Internet)
- "%TEMP%\rjjpwxgp.exe" (downloaded from the Internet)
- "%TEMP%\ivotm.exe" (downloaded from the Internet)
- "%TEMP%\msmfuu.exe" (downloaded from the Internet)
- "%TEMP%\vjbf.exe" (downloaded from the Internet)
- "%TEMP%\yyaik.exe" (downloaded from the Internet)
- "%TEMP%\ywowu.exe" (downloaded from the Internet)
- "%TEMP%\jaognl.exe" (downloaded from the Internet)
- "%TEMP%\qxghu.exe" (downloaded from the Internet)
- "%TEMP%\vpywo.exe" (downloaded from the Internet)
- "%TEMP%\750234914" (downloaded from the Internet)
Executes the following:
- <SYSTEM32>\runonce.exe -r
- <SYSTEM32>\rundll32.exe setupapi,InstallHinfSection DefaultInstall 128 %APPDATA%\mdinstall.inf
- <SYSTEM32>\net1.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
- <SYSTEM32>\rundll32.exe "%WINDIR%\plolsels.dll",iep
- <SYSTEM32>\grpconv.exe -o
- <SYSTEM32>\cmd.exe /c "%APPDATA%\a2ga3dk8.bat"
- <SYSTEM32>\net1.exe stop "Security Center"
- <SYSTEM32>\net.exe stop "Security Center"
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\rundll32.exe "%WINDIR%\plolsels.dll",Startup
- <SYSTEM32>\sc.exe config SharedAccess start= DISABLED
- <SYSTEM32>\net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
- <SYSTEM32>\sc.exe config wscsvc start= DISABLED
Injects code into
the following system processes:
- <SYSTEM32>\spoolsv.exe
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A10' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\rhlxrztbz[1].php
- %TEMP%\rjjpwxgp.exe
- %TEMP%\bkfj.exe
- %TEMP%\Rlb..bat
- %APPDATA%\a2ga3dk8.bat
- %TEMP%\vpywo.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\xofmhs[1].php
- %APPDATA%\MouseDriver.bat
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\evdxsql[1].php
- %APPDATA%\mdinstall.inf
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\ndhpjrck[1].php
- %TEMP%\vjbf.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\luckrmksmy[1].php
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\cgkfzdywr[1].php
- %WINDIR%\obujudoy.dll
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\CACDQRGT.php
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\sgnicbidbj[1].php
- %TEMP%\fpcf.exe
- %TEMP%\msmfuu.exe
- %TEMP%\ivotm.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\yptgomubw[1].php
- %TEMP%\nso3.tmp\5tbp.exe
- %TEMP%\nso3.tmp\4IR.exe
- %WINDIR%\plolsels.dll
- %WINDIR%\Temp\6.tmp
- %TEMP%\4.tmp
- %TEMP%\nso3.tmp\ic4.exe
- %TEMP%\nsd2.tmp
- %TEMP%\nso3.tmp\1EuroP.exe
- %TEMP%\nso3.tmp\3IC.exe
- %TEMP%\nso3.tmp\2E4U - Bucks.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\nezgbiub[1].php
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\znucw[1].php
- %TEMP%\yyaik.exe
- %TEMP%\750234914
- %TEMP%\qxghu.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\xxszuc[1].php
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\yckrzu[1].php
- %TEMP%\ywowu.exe
- %TEMP%\jaognl.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\aeztbmubn[1].php
- %APPDATA%\b2l0zj6.exe
Sets the 'hidden' attribute to the following files:
- %APPDATA%\MouseDriver.bat
Deletes the following files:
- <DRIVERS>\etc\hosts
- %TEMP%\5.tmp
- %WINDIR%\Temp\6.tmp
- <SYSTEM32>\svchost.exe
- %APPDATA%\mdinstall.inf
- %TEMP%\nso3.tmp\ic4.exe
- %TEMP%\nso3.tmp\2E4U - Bucks.exe
- %TEMP%\nso3.tmp\1EuroP.exe
- %TEMP%\nso3.tmp\3IC.exe
- %TEMP%\nso3.tmp\5tbp.exe
- %TEMP%\nso3.tmp\4IR.exe
Network activity:
Connects to:
- 'localhost':1041
- '11#####b0729.meetri.net':80
- 'w.#####ardiscover.com':888
- '5c#t.in':80
- 'aa###tel.com':80
TCP:
HTTP GET requests:
- aa###tel.com/heiqks/sgnicbidbj.php?ad################################
- aa###tel.com/heiqks/ndhpjrck.php?ad################################
- aa###tel.com/heiqks/rhlxrztbz.php?ad################################
- aa###tel.com/heiqks/cgkfzdywr.php?ad##############################################################
- aa###tel.com/heiqks/luckrmksmy.php?ad################################
- aa###tel.com/heiqks/yptgomubw.php?ad################################
- aa###tel.com/heiqks/evdxsql.php?ad################################
- aa###tel.com/heiqks/aeztbmubn.php?ad################################
- aa###tel.com/heiqks/yckrzu.php?ad################################
- aa###tel.com/heiqks/nezgbiub.php?ad################################
- aa###tel.com/heiqks/xofmhs.php?ad################################
- aa###tel.com/heiqks/xxszuc.php?ad################################
- aa###tel.com/heiqks/znucw.php?ad################################
HTTP POST requests:
- 5c#t.in/?in##############################################################################################################
UDP:
- DNS ASK aa###tel.com
- DNS ASK w.#####ardiscover.com
- DNS ASK 11#####b0729.meetri.net
- DNS ASK 5c#t.in
- DNS ASK ik##.com
- DNS ASK si###ell.com
- DNS ASK go##le.ae
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'SystemTray_Main' WindowName: ''
- ClassName: 'CSCHiddenWindow' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
