Trojan.DownLoader12.32907

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%\gGwQUoko.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\HAwUgAIE.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\DecgEEYU.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\ZWIIYgMg.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\FAMAocMo.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\QucIsIcc.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%\kwocAYcU.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\nIgocAEM.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

<Current directory>\yYka.exe
C:\RCX15.tmp
%TEMP%\QucIsIcc.bat
<Current directory>\uCwk.ico
<Current directory>\wqUg.ico
<Current directory>\Rscq.exe
C:\RCX14.tmp
<Current directory>\OCMI.ico
C:\RCX17.tmp
<Current directory>\VwsY.ico
<Current directory>\wMYs.exe
<Current directory>\mQcC.exe
<Current directory>\agQq.exe
C:\RCX16.tmp
<Current directory>\nogo.ico
%TEMP%\gGwQUoko.bat
<Current directory>\JoQk.ico
<Current directory>\eIUQ.exe
C:\RCX10.tmp
C:\RCXF.tmp
<Current directory>\kmMA.ico
<Current directory>\xEUu.exe
C:\RCX11.tmp
<Current directory>\BgIi.exe
C:\RCX13.tmp
%TEMP%\CUMIwUMA.bat
<Current directory>\vYEg.ico
<Current directory>\ssok.ico
<Current directory>\HcEQ.exe
C:\RCX12.tmp
%TEMP%\dmYgwwEE.bat
C:\RCX1D.tmp
%TEMP%\JCcMgsos.bat
<Current directory>\HUwY.exe
<Current directory>\RYQG.exe
C:\RCX1C.tmp
<Current directory>\uuUU.ico
<Current directory>\hOso.ico
C:\RCX1F.tmp
%TEMP%\soQswYoI.bat
%TEMP%\MKcwUwQA.bat
<Current directory>\YcQO.exe
<Current directory>\eUEa.exe
C:\RCX1E.tmp
<Current directory>\zYoA.ico
C:\RCX19.tmp
%TEMP%\FAMAocMo.bat
<Current directory>\lqUc.ico
<Current directory>\aEcm.exe
C:\RCX18.tmp
<Current directory>\Syso.ico
%TEMP%\myEwYkAo.bat
<Current directory>\CssM.exe
<Current directory>\kYUU.exe
C:\RCX1B.tmp
<Current directory>\vwQc.ico
<Current directory>\ZQME.ico
%TEMP%\SukMsAEA.bat
C:\RCX1A.tmp
%TEMP%\ZWIIYgMg.bat
C:\RCX3.tmp
<Current directory>\zmUM.ico
<Current directory>\mcMs.exe
%TEMP%\kwocAYcU.bat
C:\RCX2.tmp
<Current directory>\SYIE.ico
<Current directory>\IEAs.exe
C:\RCX4.tmp
%TEMP%\DecgEEYU.bat
<Current directory>\rIEA.ico
<Current directory>\usMy.exe
C:\RCX5.tmp
%TEMP%\lsYMoEgg.bat
<Current directory>\IeUM.ico
<Current directory>\gscS.exe
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
%TEMP%\xiEkIMsM.bat
<Current directory>\<Virus name>
%ALLUSERSPROFILE%\casg.txt
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
<Current directory>\SgoM.ico
<Current directory>\WKcM.ico
%TEMP%\uywgckoc.bat
<Current directory>\JAgm.exe
%TEMP%\file.vbs
%TEMP%\nIgocAEM.bat
<Current directory>\SsEG.exe
C:\RCX1.tmp
<Current directory>\TgsQ.exe
C:\RCXC.tmp
<Current directory>\RMMg.ico
<Current directory>\VSUo.ico
<Current directory>\LAYs.ico
<Current directory>\UMwM.exe
C:\RCXB.tmp
<Current directory>\oUsg.exe
%TEMP%\uOUEksQM.bat
<Current directory>\Aoow.ico
<Current directory>\kAYa.exe
C:\RCXE.tmp
C:\RCXD.tmp
<Current directory>\iYQE.ico
<Current directory>\aEQm.exe
<Current directory>\KkoE.ico
<Current directory>\acQo.exe
C:\RCX8.tmp
C:\RCX7.tmp
C:\RCX6.tmp
<Current directory>\MEgI.ico
<Current directory>\IocA.exe
%TEMP%\hCAYUkUY.bat
%TEMP%\HAwUgAIE.bat
<Current directory>\NAYy.exe
C:\RCXA.tmp
<Current directory>\fWsY.ico
<Current directory>\fqIg.ico
<Current directory>\aoIK.exe
C:\RCX9.tmp

Deletes the following files:

<Current directory>\uCwk.ico
<Current directory>\agQq.exe
<Current directory>\wqUg.ico
<Current directory>\yYka.exe
<Current directory>\OCMI.ico
<Current directory>\wMYs.exe
<Current directory>\VwsY.ico
<Current directory>\mQcC.exe
<Current directory>\nogo.ico
<Current directory>\JoQk.ico
<Current directory>\HcEQ.exe
<Current directory>\kmMA.ico
<Current directory>\eIUQ.exe
<Current directory>\ssok.ico
%TEMP%\CUMIwUMA.bat
<Current directory>\Rscq.exe
<Current directory>\BgIi.exe
<Current directory>\vYEg.ico
<Current directory>\HUwY.exe
<Current directory>\uuUU.ico
<Current directory>\vwQc.ico
%TEMP%\dmYgwwEE.bat
<Current directory>\eUEa.exe
<Current directory>\zYoA.ico
%TEMP%\soQswYoI.bat
<Current directory>\hOso.ico
<Current directory>\YcQO.exe
<Current directory>\Syso.ico
%TEMP%\SukMsAEA.bat
%TEMP%\myEwYkAo.bat
<Current directory>\aEcm.exe
<Current directory>\CssM.exe
<Current directory>\ZQME.ico
<Current directory>\RYQG.exe
<Current directory>\lqUc.ico
<Current directory>\kYUU.exe
<Current directory>\gscS.exe
<Current directory>\IeUM.ico
<Current directory>\zmUM.ico
%TEMP%\lsYMoEgg.bat
<Current directory>\usMy.exe
<Current directory>\MEgI.ico
<Current directory>\acQo.exe
<Current directory>\rIEA.ico
<Current directory>\IocA.exe
<Current directory>\SgoM.ico
%TEMP%\uywgckoc.bat
%TEMP%\xiEkIMsM.bat
<Current directory>\SsEG.exe
<Current directory>\JAgm.exe
<Current directory>\SYIE.ico
<Current directory>\mcMs.exe
<Current directory>\WKcM.ico
<Current directory>\IEAs.exe
<Current directory>\RMMg.ico
<Current directory>\aEQm.exe
<Current directory>\VSUo.ico
<Current directory>\oUsg.exe
<Current directory>\iYQE.ico
<Current directory>\Aoow.ico
<Current directory>\xEUu.exe
%TEMP%\uOUEksQM.bat
<Current directory>\kAYa.exe
<Current directory>\aoIK.exe
<Current directory>\fqIg.ico
<Current directory>\KkoE.ico
%TEMP%\hCAYUkUY.bat
<Current directory>\NAYy.exe
<Current directory>\LAYs.ico
<Current directory>\TgsQ.exe
<Current directory>\fWsY.ico
<Current directory>\UMwM.exe

Moves the following files:

from C:\RCX15.tmp to <Current directory>\yYka.exe
from C:\RCX16.tmp to <Current directory>\agQq.exe
from C:\RCX17.tmp to <Current directory>\mQcC.exe
from C:\RCX14.tmp to <Current directory>\Rscq.exe
from C:\RCX11.tmp to <Current directory>\eIUQ.exe
from C:\RCX12.tmp to <Current directory>\HcEQ.exe
from C:\RCX13.tmp to <Current directory>\BgIi.exe
from C:\RCX18.tmp to <Current directory>\wMYs.exe
from C:\RCX1D.tmp to <Current directory>\HUwY.exe
from C:\RCX1E.tmp to <Current directory>\eUEa.exe
from C:\RCX1F.tmp to <Current directory>\YcQO.exe
from C:\RCX1C.tmp to <Current directory>\RYQG.exe
from C:\RCX19.tmp to <Current directory>\aEcm.exe
from C:\RCX1A.tmp to <Current directory>\CssM.exe
from C:\RCX1B.tmp to <Current directory>\kYUU.exe
from C:\RCX10.tmp to <Current directory>\xEUu.exe
from C:\RCX5.tmp to <Current directory>\gscS.exe
from C:\RCX6.tmp to <Current directory>\usMy.exe
from C:\RCX7.tmp to <Current directory>\IocA.exe
from C:\RCX4.tmp to <Current directory>\mcMs.exe
from C:\RCX1.tmp to <Current directory>\SsEG.exe
from C:\RCX2.tmp to <Current directory>\JAgm.exe
from C:\RCX3.tmp to <Current directory>\IEAs.exe
from C:\RCX8.tmp to <Current directory>\acQo.exe
from C:\RCXD.tmp to <Current directory>\oUsg.exe
from C:\RCXE.tmp to <Current directory>\aEQm.exe
from C:\RCXF.tmp to <Current directory>\kAYa.exe
from C:\RCXC.tmp to <Current directory>\TgsQ.exe
from C:\RCX9.tmp to <Current directory>\aoIK.exe
from C:\RCXA.tmp to <Current directory>\NAYy.exe
from C:\RCXB.tmp to <Current directory>\UMwM.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: 'AcIcUcAM.exe'
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '' WindowName: 'Microsoft Windows'
ClassName: 'Indicator' WindowName: ''
ClassName: '' WindowName: 'jaQEcQMQ.exe'

Технологии

Термины

Обучение и просвещение

Мифы

Technical Information

Рекомендации по лечению

Демо бесплатно на 14 дней