Trojan.DownLoader12.32893

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%\NsgwcsgM.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\GmsQMgwA.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\PAAYgQwo.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\qmgAAIUA.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\qUMMAAwk.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\akIcwoQQ.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%\RyYcckMU.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\MAcAsgUU.bat" "<Full path to virus>""

Modifies file system :

Creates the following files:

<Current directory>\JAAc.ico
<Current directory>\SYwY.exe
C:\RCX14.tmp
C:\RCX13.tmp
%TEMP%\MoIIcIwM.bat
<Current directory>\Lgkw.ico
<Current directory>\xcwA.exe
<Current directory>\Fokg.ico
<Current directory>\oIYk.exe
%TEMP%\zIQskYgg.bat
C:\RCX16.tmp
<Current directory>\JgQY.ico
<Current directory>\zQUs.exe
C:\RCX15.tmp
%TEMP%\riEIQogE.bat
C:\RCX12.tmp
<Current directory>\lgwU.exe
C:\RCXF.tmp
<Current directory>\mmgs.ico
<Current directory>\NkIs.ico
<Current directory>\gOsw.ico
<Current directory>\pIws.exe
C:\RCXE.tmp
<Current directory>\cwsY.exe
C:\RCX11.tmp
<Current directory>\YOkA.ico
<Current directory>\iYcu.exe
<Current directory>\OIYw.exe
C:\RCX10.tmp
%TEMP%\YuwQosss.bat
<Current directory>\Vqgk.ico
C:\RCX1D.tmp
<Current directory>\OYQA.ico
<Current directory>\gswQ.exe
<Current directory>\RUQa.exe
<Current directory>\bgUU.exe
C:\RCX1C.tmp
<Current directory>\ZYsE.ico
C:\RCX1E.tmp
<Current directory>\gkIG.exe
<Current directory>\tQwg.ico
<Current directory>\Vwge.exe
<Current directory>\RAcQ.ico
<Current directory>\XuUg.ico
<Current directory>\FUos.exe
C:\RCX1F.tmp
<Current directory>\DsYU.ico
<Current directory>\MEkq.exe
C:\RCX18.tmp
<Current directory>\tScs.ico
<Current directory>\EWcQ.ico
<Current directory>\UwEI.ico
<Current directory>\nAQo.exe
C:\RCX17.tmp
<Current directory>\SsAw.exe
<Current directory>\rOkE.ico
<Current directory>\jIQM.exe
C:\RCX1B.tmp
C:\RCX1A.tmp
C:\RCX19.tmp
<Current directory>\DYgo.ico
<Current directory>\jQwg.exe
<Current directory>\pYEs.ico
<Current directory>\VQkW.exe
%TEMP%\GmsQMgwA.bat
%TEMP%\REUYQEMw.bat
%TEMP%\PAAYgQwo.bat
<Current directory>\AYoU.exe
C:\RCX2.tmp
C:\RCX3.tmp
%TEMP%\NsgwcsgM.bat
<Current directory>\XmoY.ico
<Current directory>\nEsq.exe
C:\RCX4.tmp
%TEMP%\aIMgYMMY.bat
<Current directory>\gUcM.ico
<Current directory>\vQgo.exe
%TEMP%\reUAUcsQ.bat
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
%TEMP%\nQgIkwgU.bat
<Current directory>\<Virus name>
%ALLUSERSPROFILE%\casg.txt
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
<Current directory>\lAkg.ico
%TEMP%\myoQgkgg.bat
%TEMP%\RyYcckMU.bat
<Current directory>\XyIs.ico
%TEMP%\file.vbs
%TEMP%\MAcAsgUU.bat
<Current directory>\MUEu.exe
C:\RCX1.tmp
<Current directory>\aAsQ.ico
<Current directory>\RcAM.exe
C:\RCXB.tmp
%TEMP%\qUMMAAwk.bat
%TEMP%\BUkEwsgU.bat
<Current directory>\XcEq.exe
C:\RCXA.tmp
%TEMP%\jAQQAEos.bat
<Current directory>\KYYA.ico
<Current directory>\wkUy.exe
C:\RCXD.tmp
%TEMP%\qmgAAIUA.bat
<Current directory>\cwoU.ico
<Current directory>\aQkM.exe
C:\RCXC.tmp
<Current directory>\MCcw.ico
C:\RCX6.tmp
%TEMP%\akIcwoQQ.bat
<Current directory>\OSck.ico
<Current directory>\AMok.exe
C:\RCX5.tmp
<Current directory>\qqkI.ico
%TEMP%\TOMAQYQU.bat
<Current directory>\Ysss.exe
<Current directory>\kyck.ico
<Current directory>\QMku.exe
C:\RCX9.tmp
C:\RCX8.tmp
C:\RCX7.tmp
<Current directory>\PAco.ico
<Current directory>\Zkku.exe

Deletes the following files:

<Current directory>\JAAc.ico
<Current directory>\zQUs.exe
<Current directory>\Lgkw.ico
<Current directory>\SYwY.exe
<Current directory>\Fokg.ico
<Current directory>\JgQY.ico
<Current directory>\nAQo.exe
%TEMP%\riEIQogE.bat
<Current directory>\oIYk.exe
<Current directory>\mmgs.ico
%TEMP%\YuwQosss.bat
<Current directory>\NkIs.ico
<Current directory>\cwsY.exe
<Current directory>\OIYw.exe
<Current directory>\YOkA.ico
<Current directory>\xcwA.exe
<Current directory>\Vqgk.ico
<Current directory>\iYcu.exe
<Current directory>\RUQa.exe
<Current directory>\ZYsE.ico
<Current directory>\bgUU.exe
<Current directory>\DsYU.ico
<Current directory>\gswQ.exe
<Current directory>\XuUg.ico
<Current directory>\RAcQ.ico
<Current directory>\OYQA.ico
<Current directory>\FUos.exe
<Current directory>\EWcQ.ico
<Current directory>\SsAw.exe
<Current directory>\UwEI.ico
<Current directory>\MEkq.exe
<Current directory>\tScs.ico
<Current directory>\jIQM.exe
<Current directory>\rOkE.ico
<Current directory>\jQwg.exe
<Current directory>\DYgo.ico
<Current directory>\lgwU.exe
<Current directory>\vQgo.exe
<Current directory>\gUcM.ico
<Current directory>\pYEs.ico
%TEMP%\aIMgYMMY.bat
<Current directory>\nEsq.exe
<Current directory>\AMok.exe
<Current directory>\qqkI.ico
<Current directory>\XmoY.ico
%TEMP%\TOMAQYQU.bat
<Current directory>\MUEu.exe
<Current directory>\lAkg.ico
%TEMP%\nQgIkwgU.bat
%TEMP%\myoQgkgg.bat
%TEMP%\reUAUcsQ.bat
%TEMP%\REUYQEMw.bat
<Current directory>\VQkW.exe
<Current directory>\AYoU.exe
<Current directory>\XyIs.ico
%TEMP%\jAQQAEos.bat
<Current directory>\aQkM.exe
<Current directory>\RcAM.exe
<Current directory>\aAsQ.ico
<Current directory>\cwoU.ico
<Current directory>\pIws.exe
<Current directory>\gOsw.ico
<Current directory>\wkUy.exe
<Current directory>\KYYA.ico
<Current directory>\Zkku.exe
<Current directory>\PAco.ico
<Current directory>\Ysss.exe
<Current directory>\OSck.ico
<Current directory>\QMku.exe
<Current directory>\XcEq.exe
<Current directory>\MCcw.ico
<Current directory>\kyck.ico
%TEMP%\BUkEwsgU.bat

Moves the following files:

from C:\RCX15.tmp to <Current directory>\zQUs.exe
from C:\RCX16.tmp to <Current directory>\oIYk.exe
from C:\RCX17.tmp to <Current directory>\nAQo.exe
from C:\RCX14.tmp to <Current directory>\SYwY.exe
from C:\RCX11.tmp to <Current directory>\OIYw.exe
from C:\RCX12.tmp to <Current directory>\iYcu.exe
from C:\RCX13.tmp to <Current directory>\xcwA.exe
from C:\RCX18.tmp to <Current directory>\MEkq.exe
from C:\RCX1D.tmp to <Current directory>\RUQa.exe
from C:\RCX1E.tmp to <Current directory>\gswQ.exe
from C:\RCX1F.tmp to <Current directory>\FUos.exe
from C:\RCX1C.tmp to <Current directory>\bgUU.exe
from C:\RCX19.tmp to <Current directory>\SsAw.exe
from C:\RCX1A.tmp to <Current directory>\jQwg.exe
from C:\RCX1B.tmp to <Current directory>\jIQM.exe
from C:\RCX10.tmp to <Current directory>\cwsY.exe
from C:\RCX5.tmp to <Current directory>\nEsq.exe
from C:\RCX6.tmp to <Current directory>\AMok.exe
from C:\RCX7.tmp to <Current directory>\Ysss.exe
from C:\RCX4.tmp to <Current directory>\vQgo.exe
from C:\RCX1.tmp to <Current directory>\MUEu.exe
from C:\RCX2.tmp to <Current directory>\AYoU.exe
from C:\RCX3.tmp to <Current directory>\VQkW.exe
from C:\RCX8.tmp to <Current directory>\Zkku.exe
from C:\RCXD.tmp to <Current directory>\wkUy.exe
from C:\RCXE.tmp to <Current directory>\pIws.exe
from C:\RCXF.tmp to <Current directory>\lgwU.exe
from C:\RCXC.tmp to <Current directory>\aQkM.exe
from C:\RCX9.tmp to <Current directory>\QMku.exe
from C:\RCXA.tmp to <Current directory>\XcEq.exe
from C:\RCXB.tmp to <Current directory>\RcAM.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