Technical Information
Malicious functions
Creates and executes the following
- '' (downloaded from the Internet)
Creates and executes the following (exploit)
- '%APPDATA%\vbc.exe'
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe
Searches for registry branches where third party applications store passwords
- [<HKCU>\Software\LinasFTP\Site Manager]
- [<HKCU>\Software\FlashPeak\BlazeFtp\Settings]
- [<HKCU>\Software\Ghisler\Total Commander]
- [<HKCU>\Software\mIRC]
- [<HKCU>\Software\Far\Plugins\FTP\Hosts]
- [<HKCU>\Software\Far2\Plugins\FTP\Hosts]
- [<HKCU>\Software\VanDyke\SecureFX]
- [<HKLM>\Software\NCH Software\Fling\Accounts]
- [<HKCU>\Software\NCH Software\Fling\Accounts]
- [<HKLM>\Software\NCH Software\ClassicFTP\FTPAccounts]
- [<HKCU>\Software\NCH Software\ClassicFTP\FTPAccounts]
- [<HKCU>\Software\SimonTatham\PuTTY\Sessions]
- [<HKLM>\Software\SimonTatham\PuTTY\Sessions]
- [<HKCU>\Software\Martin Prikryl]
- [<HKLM>\Software\Martin Prikryl]
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
Reads files which store third party applications passwords
- %LOCALAPPDATA%\chromium\user data\default\web data
- %APPDATA%\opera software\opera stable\login data
- %APPDATA%\thunderbird\profiles.ini
Modifies file system
Creates the following files
- %APPDATA%\vbc.exe
- %TEMP%\kqujenad.dll
- %TEMP%\res542b.tmp
- %TEMP%\csc51b73893e7944a2ba9cadf8620f1b7d3.tmp
- %TEMP%\kqujenad.out
- %TEMP%\kqujenad.cmdline
- %TEMP%\kqujenad.0.cs
- %TEMP%\mdkkcsmw.dll
- %TEMP%\res4e6b.tmp
- %TEMP%\csc777aa82b6dd4ab184c373f156cbf0d2.tmp
- %TEMP%\mdkkcsmw.out
- %TEMP%\mdkkcsmw.cmdline
- %TEMP%\mdkkcsmw.0.cs
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %APPDATA%\869fe8\8d252e.hdb
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %TEMP%\cade30qk.dll
- %TEMP%\res3146.tmp
- %TEMP%\csc4596535098114afc93dedfa9f4b1170.tmp
- %TEMP%\cade30qk.out
- %TEMP%\cade30qk.cmdline
- %TEMP%\cade30qk.0.cs
- %TEMP%\1csrvkch.dll
- %TEMP%\res2ae6.tmp
- %TEMP%\csc67288f7dcd44ec08deb87dda814f71f.tmp
- %TEMP%\1csrvkch.out
- %TEMP%\1csrvkch.cmdline
- %TEMP%\1csrvkch.0.cs
- %TEMP%\ixp000.tmp\bhhqatfummwmdsxbm
- %TEMP%\ixp000.tmp\bhhqatfummwmdsxbma5.exe
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %APPDATA%\869fe8\8d252e.lck
Deletes the following files
- %TEMP%\res2ae6.tmp
- %APPDATA%\869fe8\8d252e.lck
- %TEMP%\kqujenad.dll
- %TEMP%\kqujenad.0.cs
- %TEMP%\kqujenad.out
- %TEMP%\kqujenad.cmdline
- %TEMP%\csc51b73893e7944a2ba9cadf8620f1b7d3.tmp
- %TEMP%\res542b.tmp
- %TEMP%\mdkkcsmw.out
- %TEMP%\mdkkcsmw.cmdline
- %TEMP%\mdkkcsmw.dll
- %TEMP%\mdkkcsmw.0.cs
- %TEMP%\ixp000.tmp\bhhqatfummwmdsxbm
- %TEMP%\csc777aa82b6dd4ab184c373f156cbf0d2.tmp
- %TEMP%\cade30qk.cmdline
- %TEMP%\cade30qk.0.cs
- %TEMP%\cade30qk.dll
- %TEMP%\cade30qk.out
- %TEMP%\csc4596535098114afc93dedfa9f4b1170.tmp
- %TEMP%\res3146.tmp
- %TEMP%\1csrvkch.dll
- %TEMP%\1csrvkch.0.cs
- %TEMP%\1csrvkch.cmdline
- %TEMP%\1csrvkch.out
- %TEMP%\csc67288f7dcd44ec08deb87dda814f71f.tmp
- %TEMP%\res4e6b.tmp
- %TEMP%\ixp000.tmp\bhhqatfummwmdsxbma5.exe
Moves the following system files
- from %WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe to %APPDATA%\869fe8\8d252e.exe
Substitutes the following files
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-2922372159-162323534-3872807762-1001\f58155b4b1d5a524ca0261c3ee99fb50_597d9903-ea81-40e6-803a-40d3e5258fa4
Network activity
TCP
HTTP GET requests
- http://www.ce###lus.com/CRL/class2.crl
HTTP POST requests
- http://10#.#75.150.73/~giftioz/.cogodi/fre.php
UDP
- DNS ASK to#####baltimore.com
- DNS ASK ce###lus.com
Miscellaneous
Creates and executes the following
- '%TEMP%\ixp000.tmp\bhhqatfummwmdsxbma5.exe'
- '%TEMP%\ixp000.tmp\bhhqatfummwmdsxbma5.exe' ' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\1csrvkch.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2AE6.tmp" "%TEMP%\CSC67288F7DCD44EC08DEB87DDA814F71F.TMP"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\cade30qk.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES3146.tmp" "%TEMP%\CSC4596535098114AFC93DEDFA9F4B1170.TMP"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\mdkkcsmw.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4E6B.tmp" "%TEMP%\CSC777AA82B6DD4AB184C373F156CBF0D2.TMP"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\kqujenad.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES542B.tmp" "%TEMP%\CSC51B73893E7944A2BA9CADF8620F1B7D3.TMP"' (with hidden window)
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\microsoft.net\framework\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\1csrvkch.cmdline"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2AE6.tmp" "%TEMP%\CSC67288F7DCD44EC08DEB87DDA814F71F.TMP"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\cade30qk.cmdline"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES3146.tmp" "%TEMP%\CSC4596535098114AFC93DEDFA9F4B1170.TMP"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe'
- '%WINDIR%\microsoft.net\framework\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\mdkkcsmw.cmdline"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4E6B.tmp" "%TEMP%\CSC777AA82B6DD4AB184C373F156CBF0D2.TMP"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\kqujenad.cmdline"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES542B.tmp" "%TEMP%\CSC51B73893E7944A2BA9CADF8620F1B7D3.TMP"
