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Backdoor Bifrose
Also known as: Trojan Siggen, Trojan Generic
SHA256: d28dcef20e6c8b8ff3cab9bee044f344a42253e38c4d35b1f331e42f08a9b3d0
SHA1: 620ef45afeece1cbafb40d5d2c36ec377e99c1be
MD5: 1fe0c48bcea8704278fceab623b38388
File size: 906240 bytes
Created files:
C:\windows\system32\dmprrv.dll – Backdoor Bifrose
C:\windows\system32\kernel31.dll – Backdoor Bifrose
%Temp%\IXP000.TMP\anhei.exe – 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\twff.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\dmprrv\Type: 10010000
HKLM\System\CurrentControlSet\Services\dmprrv\Start: 02000000
HKLM\System\CurrentControlSet\Services\dmprrv\ErrorControl: 01000000
HKLM\System\CurrentControlSet\Services\dmprrv\DisplayName: dmprrv
HKLM\System\CurrentControlSet\Services\dmprrv\ImagePath: %WinDir%\System32\svchost.exe -k dmprrv
HKLM\System\CurrentControlSet\Services\dmprrv\Parameters\ServiceDll: 2500530079007300740065006D0052006F006F00740025005C00530079007300740065006D00330032005C0064006D0070007200720076002E0064006C006C000000