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Backdoor Bifrose
Also known as: Trojan Agent, Trojan Graftor
SHA256: cc10a86d348e66cb63ea236ae3ded824f54d35b5c0eb7a66431eab5b2316606e
SHA1: b3f4367959fc5806bfd0e0c00b701ecf2f3c87b9
MD5: c15626e8563c246c2c4fb2d096a7497e
File size: 904192 bytes
Created files:
C:\windows\system32\kernel31.dll – Backdoor Bifrose
C:\windows\system32\mubdzs.dll – Backdoor Bifrose
%Temp%\IXP000.TMP\mspaint.exe – Backdoor Bifrose
%Temp%\IXP000.TMP\mstsc.exe – Backdoor Bifrose
%Temp%\IXP000.TMP\netsetup.exe – Backdoor Bifrose
%Temp%\IXP000.TMP\sndrec32.exe – Backdoor Bifrose
%Temp%\IXP000.TMP\sndvol32.exe – Backdoor Bifrose
%Temp%\IXP000.TMP\wan.exe – Backdoor Bifrose
%Temp%\IXP000.TMP\zhong.exe – Backdoor Bifrose
Backdoor Bifrose created autostart registry keys:
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0: rundll32.exe %WinDir%\System32\advpack.dll,DelNodeRunDLL32 “%Temp%\IXP000.TMP\”
HKLM\System\CurrentControlSet\Services\mubdzs\Type: 10010000
HKLM\System\CurrentControlSet\Services\mubdzs\Start: 02000000
HKLM\System\CurrentControlSet\Services\mubdzs\ErrorControl: 01000000
HKLM\System\CurrentControlSet\Services\mubdzs\DisplayName: mubdzs
HKLM\System\CurrentControlSet\Services\mubdzs\ImagePath: %WinDir%\System32\svchost.exe -k mubdzs
HKLM\System\CurrentControlSet\Services\mubdzs\Parameters\ServiceDll: 2500530079007300740065006D0052006F006F00740025005C00530079007300740065006D00330032005C006D007500620064007A0073002E0064006C006C000000