Trojan.DownLoader12.32949

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM.exe,'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'AcIcUcAM.exe' = '%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jaQEcQMQ.exe' = '%HOMEPATH%\NIMMEwsg\jaQEcQMQ.exe'

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\FkYQcQph] 'Start' = '00000002'

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files
file extensions

blocks the following features:

User Account Control (UAC)

Creates and executes the following:

'%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe'
'%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM.exe'
'%HOMEPATH%\NIMMEwsg\jaQEcQMQ.exe'

Executes the following:

'<SYSTEM32>\cmd.exe' /c ""%TEMP%\jCAccUUU.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\XukcMQIA.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\moscgkMs.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\OwEUEUQE.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\vsoIAUwc.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\uasMgwgk.bat" "<Full path to virus>""
'<SYSTEM32>\reg.exe' add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v Hidden /t REG_DWORD /d 2
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v HideFileExt /t REG_DWORD /d 1
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\HAcYsMco.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\ZcUkQcME.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

%TEMP%\uasMgwgk.bat
<Current directory>\HqgU.ico
<Current directory>\vIkE.exe
<Current directory>\NeYY.ico
<Current directory>\CYkM.exe
C:\RCX12.tmp
C:\RCX13.tmp
<Current directory>\BqAE.ico
<Current directory>\sQsg.exe
C:\RCX15.tmp
<Current directory>\lUsY.ico
<Current directory>\cQEu.exe
C:\RCX14.tmp
C:\RCX11.tmp
C:\RCXE.tmp
<Current directory>\qqQQ.ico
<Current directory>\lwwy.exe
%TEMP%\jCAccUUU.bat
<Current directory>\oKAs.ico
<Current directory>\ugEq.exe
C:\RCXF.tmp
<Current directory>\PKAc.ico
%TEMP%\kmkIcoIk.bat
<Current directory>\gMAY.exe
<Current directory>\fQYE.ico
<Current directory>\tMYO.exe
C:\RCX10.tmp
%TEMP%\JigYgIQg.bat
<Current directory>\FaYc.ico
%TEMP%\OwEUEUQE.bat
<Current directory>\vgIM.ico
<Current directory>\GogI.exe
C:\RCX1A.tmp
<Current directory>\DYES.exe
<Current directory>\BwsK.exe
%TEMP%\muAocYMo.bat
C:\RCX1C.tmp
C:\RCX1B.tmp
%TEMP%\hIMYcksA.bat
<Current directory>\WMEg.ico
C:\RCX19.tmp
<Current directory>\VYIc.ico
<Current directory>\sUQy.exe
C:\RCX17.tmp
<Current directory>\WMYc.ico
<Current directory>\aogy.exe
C:\RCX16.tmp
<Current directory>\zQIA.ico
%TEMP%\vsoIAUwc.bat
<Current directory>\EWsk.ico
<Current directory>\CwQw.exe
<Current directory>\Wgwe.exe
C:\RCX18.tmp
%TEMP%\AaAAsoQA.bat
C:\RCXD.tmp
C:\RCX3.tmp
<Current directory>\psso.ico
<Current directory>\rwAS.exe
C:\RCX2.tmp
<Current directory>\ZkAM.ico
<Current directory>\BQQk.exe
C:\RCX4.tmp
C:\RCX5.tmp
<Current directory>\AQkg.ico
<Current directory>\osYC.exe
<Current directory>\RWQE.ico
%TEMP%\NcUYMwQw.bat
<Current directory>\QIYk.exe
<Current directory>\JsIQ.exe
%ALLUSERSPROFILE%\casg.txt
<Current directory>\FYYU.ico
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
%TEMP%\MGokcEIQ.bat
%TEMP%\ZcUkQcME.bat
%TEMP%\file.vbs
<Current directory>\LEcg.ico
<Current directory>\<Virus name>
<Current directory>\pQMU.exe
C:\RCX1.tmp
<Current directory>\NIUw.exe
%TEMP%\zIAgAkck.bat
C:\RCXB.tmp
<Current directory>\jEok.exe
C:\RCXA.tmp
<Current directory>\ykko.ico
%TEMP%\XukcMQIA.bat
%TEMP%\DYkAIUYA.bat
<Current directory>\wsUk.ico
<Current directory>\Ncoc.exe
<Current directory>\ZEQE.ico
<Current directory>\MMMY.exe
C:\RCXC.tmp
<Current directory>\cYQw.ico
%TEMP%\HAcYsMco.bat
C:\RCX7.tmp
<Current directory>\rKgY.ico
C:\RCX6.tmp
<Current directory>\oKQM.ico
<Current directory>\rkwE.exe
<Current directory>\SoYa.exe
<Current directory>\fwsE.ico
<Current directory>\HgcO.exe
C:\RCX9.tmp
%TEMP%\uKsMgEIY.bat
C:\RCX8.tmp
%TEMP%\moscgkMs.bat

Deletes the following files:

<Current directory>\vIkE.exe
<Current directory>\NeYY.ico
<Current directory>\CYkM.exe
<Current directory>\HqgU.ico
<Current directory>\sQsg.exe
<Current directory>\lUsY.ico
<Current directory>\cQEu.exe
<Current directory>\PKAc.ico
<Current directory>\qqQQ.ico
<Current directory>\lwwy.exe
<Current directory>\oKAs.ico
<Current directory>\tMYO.exe
%TEMP%\kmkIcoIk.bat
<Current directory>\gMAY.exe
<Current directory>\fQYE.ico
<Current directory>\BqAE.ico
%TEMP%\JigYgIQg.bat
<Current directory>\GogI.exe
<Current directory>\EWsk.ico
<Current directory>\vgIM.ico
%TEMP%\hIMYcksA.bat
<Current directory>\FaYc.ico
<Current directory>\DYES.exe
<Current directory>\CwQw.exe
<Current directory>\sUQy.exe
<Current directory>\WMYc.ico
<Current directory>\aogy.exe
<Current directory>\VYIc.ico
<Current directory>\zQIA.ico
<Current directory>\Wgwe.exe
%TEMP%\AaAAsoQA.bat
<Current directory>\ugEq.exe
<Current directory>\RWQE.ico
<Current directory>\QIYk.exe
<Current directory>\psso.ico
%TEMP%\NcUYMwQw.bat
<Current directory>\rkwE.exe
<Current directory>\AQkg.ico
<Current directory>\osYC.exe
<Current directory>\rwAS.exe
<Current directory>\FYYU.ico
<Current directory>\pQMU.exe
%TEMP%\MGokcEIQ.bat
<Current directory>\JsIQ.exe
<Current directory>\ZkAM.ico
<Current directory>\BQQk.exe
<Current directory>\LEcg.ico
<Current directory>\oKQM.ico
<Current directory>\MMMY.exe
<Current directory>\ykko.ico
<Current directory>\NIUw.exe
<Current directory>\ZEQE.ico
<Current directory>\wsUk.ico
<Current directory>\Ncoc.exe
%TEMP%\DYkAIUYA.bat
%TEMP%\zIAgAkck.bat
<Current directory>\rKgY.ico
<Current directory>\SoYa.exe
%TEMP%\uKsMgEIY.bat
<Current directory>\HgcO.exe
<Current directory>\cYQw.ico
<Current directory>\jEok.exe
<Current directory>\fwsE.ico

Moves the following files:

from C:\RCX12.tmp to <Current directory>\CYkM.exe
from C:\RCX13.tmp to <Current directory>\vIkE.exe
from C:\RCX14.tmp to <Current directory>\cQEu.exe
from C:\RCXF.tmp to <Current directory>\lwwy.exe
from C:\RCX10.tmp to <Current directory>\tMYO.exe
from C:\RCX11.tmp to <Current directory>\gMAY.exe
from C:\RCX15.tmp to <Current directory>\sQsg.exe
from C:\RCX19.tmp to <Current directory>\CwQw.exe
from C:\RCX1A.tmp to <Current directory>\GogI.exe
from C:\RCX1B.tmp to <Current directory>\DYES.exe
from C:\RCX16.tmp to <Current directory>\aogy.exe
from C:\RCX17.tmp to <Current directory>\sUQy.exe
from C:\RCX18.tmp to <Current directory>\Wgwe.exe
from C:\RCXE.tmp to <Current directory>\ugEq.exe
from C:\RCX4.tmp to <Current directory>\rwAS.exe
from C:\RCX5.tmp to <Current directory>\QIYk.exe
from C:\RCX6.tmp to <Current directory>\osYC.exe
from C:\RCX1.tmp to <Current directory>\pQMU.exe
from C:\RCX2.tmp to <Current directory>\JsIQ.exe
from C:\RCX3.tmp to <Current directory>\BQQk.exe
from C:\RCX7.tmp to <Current directory>\rkwE.exe
from C:\RCXB.tmp to <Current directory>\NIUw.exe
from C:\RCXC.tmp to <Current directory>\MMMY.exe
from C:\RCXD.tmp to <Current directory>\Ncoc.exe
from C:\RCX8.tmp to <Current directory>\SoYa.exe
from C:\RCX9.tmp to <Current directory>\HgcO.exe
from C:\RCXA.tmp to <Current directory>\jEok.exe

Network activity:

Connects to:

'74.##5.232.51':80

TCP:

HTTP GET requests:

74.##5.232.51/

UDP:

DNS ASK google.com

Miscellaneous:

Searches for the following windows:

ClassName: '' WindowName: 'Microsoft Windows'
ClassName: '' WindowName: 'jaQEcQMQ.exe'
ClassName: 'Indicator' WindowName: ''
ClassName: '' WindowName: 'AcIcUcAM.exe'

Технологии

Термины

Обучение и просвещение

Мифы

Technical Information

Рекомендации по лечению

Демо бесплатно на 14 дней