Trojan.DownLoader12.25149

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%\bEoswgQo.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\FYQAkscU.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\uIoQcwIk.bat" "<Full path to virus>""
'<SYSTEM32>\wbem\wmiadap.exe' /R /T
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<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%\OKIkcoAM.bat" "<Full path to virus>""
'<SYSTEM32>\reg.exe' add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f

Modifies file system :

Creates the following files:

<Current directory>\xAQs.exe
C:\RCX14.tmp
<Current directory>\mWkI.ico
<Current directory>\FEUu.exe
C:\RCX13.tmp
<Current directory>\ysoo.ico
<Current directory>\nkoy.exe
C:\RCX16.tmp
<Current directory>\ioMY.ico
<Current directory>\SYoq.exe
C:\RCX15.tmp
<Current directory>\MuMA.ico
<Current directory>\NkYs.exe
<Current directory>\pMUY.ico
%TEMP%\bEoswgQo.bat
<Current directory>\qKgM.ico
<Current directory>\YcIu.exe
<Current directory>\AwYw.ico
<Current directory>\hIAS.exe
C:\RCXF.tmp
C:\RCX10.tmp
<Current directory>\HaMo.ico
<Current directory>\Mske.exe
C:\RCX12.tmp
<Current directory>\XaMs.ico
<Current directory>\GIsW.exe
C:\RCX11.tmp
C:\RCX1C.tmp
<Current directory>\CeYo.ico
<Current directory>\ngkS.exe
C:\RCX1B.tmp
<Current directory>\pcQw.ico
<Current directory>\lMAM.exe
C:\RCX1D.tmp
<Current directory>\kWgw.ico
<Current directory>\fYgk.exe
C:\RCX1F.tmp
<Current directory>\HcQc.ico
<Current directory>\tcMa.exe
C:\RCX1E.tmp
<Current directory>\towk.exe
C:\RCX18.tmp
%TEMP%\EqsgIMAQ.bat
<Current directory>\IKMQ.ico
C:\RCX17.tmp
<Current directory>\XScE.ico
<Current directory>\gUYE.exe
<Current directory>\CMEe.exe
<Current directory>\zggw.exe
C:\RCX1A.tmp
<Current directory>\VigA.ico
C:\RCX19.tmp
%TEMP%\uIoQcwIk.bat
<Current directory>\HGUc.ico
C:\RCXE.tmp
<Current directory>\XEEc.exe
C:\RCX3.tmp
<Current directory>\RYEE.ico
<Current directory>\EAwA.exe
C:\RCX2.tmp
<Current directory>\Sqsk.ico
<Current directory>\hQgw.exe
C:\RCX5.tmp
%TEMP%\xwQgQEIY.bat
%TEMP%\FYQAkscU.bat
C:\RCX4.tmp
<Current directory>\SEgI.ico
<Current directory>\SYQG.exe
%TEMP%\file.vbs
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
%TEMP%\fQwssYoc.bat
<Current directory>\<Virus name>
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
%ALLUSERSPROFILE%\casg.txt
<Current directory>\WqUU.ico
%TEMP%\JwMAUYAo.bat
%TEMP%\OKIkcoAM.bat
<Current directory>\gMcM.ico
<Current directory>\voss.exe
C:\RCX1.tmp
C:\RCXB.tmp
<Current directory>\Qaok.ico
<Current directory>\dsEc.exe
C:\RCXA.tmp
<Current directory>\poII.ico
<Current directory>\pAkC.exe
C:\RCXC.tmp
%TEMP%\QKgAoQwA.bat
<Current directory>\EwMg.ico
<Current directory>\IscE.exe
<Current directory>\vMQY.ico
<Current directory>\UcIk.exe
C:\RCXD.tmp
<Current directory>\qwgM.exe
<Current directory>\HIUo.ico
<Current directory>\OsIK.exe
C:\RCX7.tmp
<Current directory>\fwUQ.ico
<Current directory>\dYoU.exe
C:\RCX6.tmp
<Current directory>\rOgs.ico
<Current directory>\EAIC.exe
C:\RCX9.tmp
<Current directory>\Omos.ico
<Current directory>\ZEEW.exe
C:\RCX8.tmp
<Current directory>\Mago.ico

Deletes the following files:

<Current directory>\ysoo.ico
<Current directory>\nkoy.exe
<Current directory>\pMUY.ico
<Current directory>\xAQs.exe
<Current directory>\MuMA.ico
<Current directory>\SYoq.exe
<Current directory>\mWkI.ico
<Current directory>\NkYs.exe
<Current directory>\qKgM.ico
<Current directory>\GIsW.exe
<Current directory>\AwYw.ico
<Current directory>\YcIu.exe
<Current directory>\HaMo.ico
<Current directory>\FEUu.exe
<Current directory>\XaMs.ico
<Current directory>\Mske.exe
<Current directory>\ioMY.ico
<Current directory>\pcQw.ico
<Current directory>\ngkS.exe
<Current directory>\VigA.ico
<Current directory>\lMAM.exe
<Current directory>\HcQc.ico
<Current directory>\fYgk.exe
<Current directory>\CeYo.ico
<Current directory>\tcMa.exe
%TEMP%\EqsgIMAQ.bat
<Current directory>\CMEe.exe
<Current directory>\gUYE.exe
<Current directory>\XScE.ico
<Current directory>\HGUc.ico
<Current directory>\towk.exe
<Current directory>\IKMQ.ico
<Current directory>\zggw.exe
%TEMP%\xwQgQEIY.bat
<Current directory>\SYQG.exe
<Current directory>\hQgw.exe
<Current directory>\RYEE.ico
<Current directory>\fwUQ.ico
<Current directory>\OsIK.exe
<Current directory>\SEgI.ico
<Current directory>\dYoU.exe
<Current directory>\gMcM.ico
%TEMP%\JwMAUYAo.bat
%TEMP%\fQwssYoc.bat
<Current directory>\voss.exe
<Current directory>\XEEc.exe
<Current directory>\Sqsk.ico
<Current directory>\EAwA.exe
<Current directory>\WqUU.ico
<Current directory>\HIUo.ico
<Current directory>\UcIk.exe
<Current directory>\vMQY.ico
<Current directory>\dsEc.exe
<Current directory>\Qaok.ico
<Current directory>\EwMg.ico
<Current directory>\hIAS.exe
%TEMP%\QKgAoQwA.bat
<Current directory>\IscE.exe
<Current directory>\EAIC.exe
<Current directory>\Mago.ico
<Current directory>\ZEEW.exe
<Current directory>\rOgs.ico
<Current directory>\pAkC.exe
<Current directory>\poII.ico
<Current directory>\qwgM.exe
<Current directory>\Omos.ico

Moves the following files:

from C:\RCX15.tmp to <Current directory>\nkoy.exe
from C:\RCX16.tmp to <Current directory>\NkYs.exe
from C:\RCX17.tmp to <Current directory>\SYoq.exe
from C:\RCX14.tmp to <Current directory>\xAQs.exe
from C:\RCX11.tmp to <Current directory>\GIsW.exe
from C:\RCX12.tmp to <Current directory>\Mske.exe
from C:\RCX13.tmp to <Current directory>\FEUu.exe
from C:\RCX18.tmp to <Current directory>\gUYE.exe
from C:\RCX1D.tmp to <Current directory>\ngkS.exe
from C:\RCX1E.tmp to <Current directory>\tcMa.exe
from C:\RCX1F.tmp to <Current directory>\fYgk.exe
from C:\RCX1C.tmp to <Current directory>\lMAM.exe
from C:\RCX19.tmp to <Current directory>\CMEe.exe
from C:\RCX1A.tmp to <Current directory>\zggw.exe
from C:\RCX1B.tmp to <Current directory>\towk.exe
from C:\RCX10.tmp to <Current directory>\YcIu.exe
from C:\RCX5.tmp to <Current directory>\SYQG.exe
from C:\RCX6.tmp to <Current directory>\dYoU.exe
from C:\RCX7.tmp to <Current directory>\OsIK.exe
from C:\RCX4.tmp to <Current directory>\hQgw.exe
from C:\RCX1.tmp to <Current directory>\voss.exe
from C:\RCX2.tmp to <Current directory>\EAwA.exe
from C:\RCX3.tmp to <Current directory>\XEEc.exe
from C:\RCX8.tmp to <Current directory>\ZEEW.exe
from C:\RCXD.tmp to <Current directory>\UcIk.exe
from C:\RCXE.tmp to <Current directory>\IscE.exe
from C:\RCXF.tmp to <Current directory>\hIAS.exe
from C:\RCXC.tmp to <Current directory>\dsEc.exe
from C:\RCX9.tmp to <Current directory>\EAIC.exe
from C:\RCXA.tmp to <Current directory>\qwgM.exe
from C:\RCXB.tmp to <Current directory>\pAkC.exe

Network activity:

Connects to:

'74.##5.232.51':80
'bl##k.io':443

TCP:

HTTP GET requests:

74.##5.232.51/

UDP:

DNS ASK google.com
DNS ASK bl##k.io

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