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Backdoor Bifrose
Also known as: Trojan Agent, Trojan Siggen
SHA256: 99a166d8d661c676b3e827ecd2282ff5559b5accf281c04c7aabaed2b13b7db4
SHA1: debc0f86614268ff91ed8a2f9389894ec9ce1dd7
MD5: 093d697c8536c3391d5308183d555817
File size: 905728 bytes
Created files:
C:\windows\system32\dmprrv.dll – Backdoor Bifrose
C:\windows\system32\kernel31.dll – Backdoor Bifrose
%Temp%\IXP000.TMP\long.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