Trojan.DownLoader12.32913

Добавлен в вирусную базу Dr.Web: 2015-02-26

Описание добавлено: 2015-02-26

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%\sqIggkks.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\hCEEMEAE.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\eqAQUIgA.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\mKAIEswU.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\tAAYskIA.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\hkUUYwcY.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\ICsYksks.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%\KSEIEwcM.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\OEEEoQYA.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

%TEMP%\KgsAsEQE.bat
%TEMP%\tAAYskIA.bat
C:\RCXD.tmp
<Current directory>\FuYg.ico
<Current directory>\awIG.exe
<Current directory>\QIIQ.ico
<Current directory>\tKQU.ico
<Current directory>\DgMy.exe
%TEMP%\XuYMcAQA.bat
<Current directory>\Cccq.exe
C:\RCXE.tmp
%TEMP%\JOIQUoEk.bat
%TEMP%\hkUUYwcY.bat
C:\RCXA.tmp
<Current directory>\JSsk.ico
<Current directory>\FYQa.exe
<Current directory>\WGkE.ico
<Current directory>\IsMe.exe
C:\RCXC.tmp
<Current directory>\ZiEI.ico
<Current directory>\LwMY.exe
C:\RCXB.tmp
C:\RCXF.tmp
<Current directory>\WwEy.exe
C:\RCX14.tmp
<Current directory>\bccg.ico
<Current directory>\sQcG.exe
C:\RCX13.tmp
<Current directory>\FUAw.ico
<Current directory>\ukQg.exe
C:\RCX16.tmp
<Current directory>\TEww.ico
<Current directory>\fEYe.exe
C:\RCX15.tmp
C:\RCX10.tmp
<Current directory>\uKMc.ico
<Current directory>\HUMw.exe
%TEMP%\mKAIEswU.bat
<Current directory>\hEQw.ico
<Current directory>\VkgW.exe
C:\RCX12.tmp
<Current directory>\yKgs.ico
<Current directory>\VIMs.exe
C:\RCX11.tmp
<Current directory>\waIQ.ico
%TEMP%\sqIggkks.bat
<Current directory>\CMUS.exe
C:\RCX2.tmp
<Current directory>\DuEM.ico
%TEMP%\file.vbs
%TEMP%\ikwgsIQM.bat
%TEMP%\KSEIEwcM.bat
<Current directory>\kkQw.ico
<Current directory>\IIsk.exe
C:\RCX3.tmp
<Current directory>\mCIA.ico
<Current directory>\NsUE.exe
%ALLUSERSPROFILE%\casg.txt
<Current directory>\DywU.ico
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
C:\RCX1.tmp
%TEMP%\OEEEoQYA.bat
<Current directory>\dUoS.exe
%TEMP%\FycQocQc.bat
<Current directory>\<Virus name>
C:\RCX4.tmp
<Current directory>\jqQM.ico
%TEMP%\hCEEMEAE.bat
%TEMP%\WEwAEcgE.bat
<Current directory>\uEoc.exe
C:\RCX7.tmp
<Current directory>\Icoa.exe
%TEMP%\yEocoMQo.bat
C:\RCX9.tmp
<Current directory>\gcQe.exe
C:\RCX8.tmp
<Current directory>\GkAs.ico
C:\RCX5.tmp
%TEMP%\ICsYksks.bat
<Current directory>\OMAi.exe
%TEMP%\SsYIUgEE.bat
<Current directory>\Wmoc.ico
<Current directory>\uMMU.ico
%TEMP%\eqAQUIgA.bat
<Current directory>\QEwo.ico
%TEMP%\kykUgEEI.bat
<Current directory>\TocE.exe
C:\RCX6.tmp

Deletes the following files:

%TEMP%\XuYMcAQA.bat
<Current directory>\QIIQ.ico
<Current directory>\Cccq.exe
<Current directory>\HUMw.exe
<Current directory>\tKQU.ico
<Current directory>\DgMy.exe
<Current directory>\FuYg.ico
<Current directory>\IsMe.exe
<Current directory>\WGkE.ico
<Current directory>\LwMY.exe
<Current directory>\awIG.exe
%TEMP%\KgsAsEQE.bat
<Current directory>\ZiEI.ico
<Current directory>\fEYe.exe
<Current directory>\bccg.ico
<Current directory>\WwEy.exe
<Current directory>\TEww.ico
<Current directory>\ukQg.exe
<Current directory>\FUAw.ico
<Current directory>\yKgs.ico
<Current directory>\uKMc.ico
<Current directory>\VkgW.exe
<Current directory>\hEQw.ico
<Current directory>\sQcG.exe
<Current directory>\waIQ.ico
<Current directory>\VIMs.exe
<Current directory>\JSsk.ico
<Current directory>\kkQw.ico
<Current directory>\IIsk.exe
<Current directory>\mCIA.ico
<Current directory>\Wmoc.ico
<Current directory>\OMAi.exe
%TEMP%\SsYIUgEE.bat
<Current directory>\NsUE.exe
<Current directory>\DywU.ico
<Current directory>\dUoS.exe
%TEMP%\FycQocQc.bat
<Current directory>\DuEM.ico
<Current directory>\CMUS.exe
%TEMP%\ikwgsIQM.bat
<Current directory>\gcQe.exe
%TEMP%\yEocoMQo.bat
<Current directory>\jqQM.ico
<Current directory>\FYQa.exe
%TEMP%\JOIQUoEk.bat
<Current directory>\GkAs.ico
<Current directory>\Icoa.exe
<Current directory>\uMMU.ico
<Current directory>\TocE.exe
%TEMP%\kykUgEEI.bat
<Current directory>\QEwo.ico
<Current directory>\uEoc.exe
%TEMP%\WEwAEcgE.bat

Moves the following files:

from C:\RCXF.tmp to <Current directory>\DgMy.exe
from C:\RCX10.tmp to <Current directory>\HUMw.exe
from C:\RCXE.tmp to <Current directory>\Cccq.exe
from C:\RCXC.tmp to <Current directory>\IsMe.exe
from C:\RCXD.tmp to <Current directory>\awIG.exe
from C:\RCX11.tmp to <Current directory>\VkgW.exe
from C:\RCX15.tmp to <Current directory>\fEYe.exe
from C:\RCX16.tmp to <Current directory>\ukQg.exe
from C:\RCX14.tmp to <Current directory>\WwEy.exe
from C:\RCX12.tmp to <Current directory>\VIMs.exe
from C:\RCX13.tmp to <Current directory>\sQcG.exe
from C:\RCX4.tmp to <Current directory>\IIsk.exe
from C:\RCX5.tmp to <Current directory>\OMAi.exe
from C:\RCX3.tmp to <Current directory>\NsUE.exe
from C:\RCX1.tmp to <Current directory>\dUoS.exe
from C:\RCX2.tmp to <Current directory>\CMUS.exe
from C:\RCX6.tmp to <Current directory>\TocE.exe
from C:\RCXA.tmp to <Current directory>\FYQa.exe
from C:\RCXB.tmp to <Current directory>\LwMY.exe
from C:\RCX9.tmp to <Current directory>\gcQe.exe
from C:\RCX7.tmp to <Current directory>\uEoc.exe
from C:\RCX8.tmp to <Current directory>\Icoa.exe

Deletes itself.

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

Технологии

Термины

Обучение и просвещение

Мифы

Technical Information

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Демо бесплатно на 14 дней