Trojan.DownLoader12.32870

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%\lAcgscos.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\TEEAsIws.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\iGoIAYsc.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\IWksYgoA.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\ZEQAcYcM.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\VqAAQwAY.bat" "<Full path to virus>""
'<SYSTEM32>\reg.exe' /c ""%TEMP%\UkMYosAA.bat" "<Full path to virus>""
'<SYSTEM32>\reg.exe' %TEMP%\file.vbs
'<SYSTEM32>\cscript.exe' /pid=3308
'<SYSTEM32>\reg.exe' /pid=3236
'<SYSTEM32>\reg.exe' /pid=3360
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\DokgMAQE.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\WOUUYIko.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\PyMEocoU.bat" "<Full path to virus>""
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v HideFileExt /t REG_DWORD /d 1
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v Hidden /t REG_DWORD /d 2
'<SYSTEM32>\reg.exe' add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\MEoIQAME.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\esggocwo.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\mUosgcEg.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\UAsYcUcM.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\xgUMYcEE.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\VqMwYAUY.bat" "<Full path to virus>""

Injects code into

the following system processes:

<SYSTEM32>\reg.exe
<SYSTEM32>\cmd.exe

Modifies file system :

Creates the following files:

<Current directory>\REUK.exe
<Current directory>\QGUw.ico
C:\RCX28.tmp
C:\RCX29.tmp
<Current directory>\agMw.exe
<Current directory>\vMwE.ico
%TEMP%\lGQswgYE.bat
<Current directory>\Skkk.ico
C:\RCX26.tmp
<Current directory>\FIga.exe
<Current directory>\DIco.exe
<Current directory>\kUwm.exe
<Current directory>\wIcc.ico
C:\RCX27.tmp
<Current directory>\GYoC.exe
<Current directory>\Qasc.ico
C:\RCX2C.tmp
C:\RCX2D.tmp
C:\RCX2E.tmp
<Current directory>\awwy.exe
<Current directory>\RGMg.ico
<Current directory>\eCkM.ico
%TEMP%\TEEAsIws.bat
C:\RCX2A.tmp
<Current directory>\xMUU.exe
<Current directory>\igsq.exe
<Current directory>\QgMs.ico
C:\RCX2B.tmp
<Current directory>\Hkwg.ico
%TEMP%\BgwAsoUA.bat
C:\RCX20.tmp
<Current directory>\LcoC.exe
%TEMP%\VqAAQwAY.bat
C:\RCX21.tmp
<Current directory>\ZAoC.exe
<Current directory>\VkwE.ico
C:\RCX1E.tmp
<Current directory>\PcgS.exe
<Current directory>\JYcA.ico
<Current directory>\hQww.ico
<Current directory>\NCoA.ico
C:\RCX1F.tmp
<Current directory>\yIEw.exe
C:\RCX24.tmp
%TEMP%\sAYgMksY.bat
<Current directory>\pIsG.exe
%TEMP%\lAcgscos.bat
C:\RCX25.tmp
<Current directory>\ucso.exe
<Current directory>\Bucw.ico
C:\RCX22.tmp
<Current directory>\lAok.exe
<Current directory>\tgUI.ico
<Current directory>\RYkA.ico
<Current directory>\segI.ico
C:\RCX23.tmp
<Current directory>\tgoc.exe
<Current directory>\ucMe.exe
<Current directory>\MyMc.ico
C:\RCX39.tmp
C:\RCX3A.tmp
%TEMP%\UkMYosAA.bat
<Current directory>\NaQI.ico
%TEMP%\vcAwYcAA.bat
<Current directory>\OMIA.ico
C:\RCX37.tmp
<Current directory>\SkUO.exe
<Current directory>\vQAU.exe
<Current directory>\OEAw.exe
<Current directory>\fGsQ.ico
C:\RCX38.tmp
<Current directory>\jsUI.exe
<Current directory>\WQwM.ico
C:\RCX3D.tmp
C:\RCX3E.tmp
C:\RCX3F.tmp
<Current directory>\RwcA.exe
<Current directory>\JiUI.ico
<Current directory>\YEIM.ico
C:\RCX3B.tmp
<Current directory>\ecgq.exe
<Current directory>\awga.exe
<Current directory>\gMkY.exe
<Current directory>\Ekgc.ico
C:\RCX3C.tmp
<Current directory>\PIEA.ico
<Current directory>\vUUC.exe
<Current directory>\gGsw.ico
%TEMP%\iGoIAYsc.bat
C:\RCX31.tmp
C:\RCX32.tmp
<Current directory>\bYUc.exe
<Current directory>\TWIM.ico
C:\RCX2F.tmp
<Current directory>\mwUW.exe
<Current directory>\SAcQ.ico
%TEMP%\XcQkoEkM.bat
C:\RCX30.tmp
<Current directory>\DkQW.exe
<Current directory>\zssM.ico
C:\RCX35.tmp
<Current directory>\PQUs.exe
%TEMP%\ZkAIwcIg.bat
%TEMP%\DokgMAQE.bat
C:\RCX36.tmp
<Current directory>\HoUe.exe
<Current directory>\XScQ.ico
C:\RCX33.tmp
<Current directory>\twAo.exe
<Current directory>\iAwg.ico
<Current directory>\Keks.ico
<Current directory>\GEwg.ico
C:\RCX34.tmp
<Current directory>\IAke.exe
<Current directory>\LAUg.exe
<Current directory>\XioE.ico
C:\RCX8.tmp
C:\RCX9.tmp
C:\RCXA.tmp
<Current directory>\vQMg.exe
<Current directory>\tUgM.ico
<Current directory>\rEcI.ico
%TEMP%\UAsYcUcM.bat
C:\RCX6.tmp
<Current directory>\jMMa.exe
<Current directory>\BMIA.exe
<Current directory>\XAYQ.ico
C:\RCX7.tmp
<Current directory>\GcMy.exe
<Current directory>\lGQs.ico
C:\RCXC.tmp
C:\RCXD.tmp
<Current directory>\iUQW.exe
<Current directory>\fyoo.ico
%TEMP%\XMAkYUAE.bat
<Current directory>\IIMw.exe
<Current directory>\OSgA.ico
%TEMP%\HkQAMkAg.bat
C:\RCXB.tmp
<Current directory>\Ggoe.exe
<Current directory>\WgoI.ico
%TEMP%\xgUMYcEE.bat
<Current directory>\kcYW.exe
C:\RCX1.tmp
<Current directory>\gYki.exe
<Current directory>\<Virus name>
%TEMP%\WOUUYIko.bat
%TEMP%\ISkkUQsE.bat
<Current directory>\kwgw.ico
%TEMP%\file.vbs
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\casg.txt
%TEMP%\NYgMIUIo.bat
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
<Current directory>\jWMM.ico
<Current directory>\nEcc.ico
C:\RCX4.tmp
<Current directory>\nMUI.exe
<Current directory>\CgwS.exe
<Current directory>\GwgQ.ico
%TEMP%\zkokwkYk.bat
C:\RCX5.tmp
C:\RCX2.tmp
<Current directory>\fQQI.exe
%TEMP%\PyMEocoU.bat
<Current directory>\ySQE.ico
<Current directory>\Mesc.ico
C:\RCX3.tmp
<Current directory>\lQAO.exe
<Current directory>\EKsw.ico
C:\RCX18.tmp
<Current directory>\HwQa.exe
<Current directory>\sUks.exe
<Current directory>\QsEQ.ico
%TEMP%\hcoUAwss.bat
C:\RCX19.tmp
<Current directory>\hQEW.exe
<Current directory>\jAkc.ico
C:\RCX16.tmp
%TEMP%\nYIMYooM.bat
<Current directory>\Imog.ico
%TEMP%\mUosgcEg.bat
C:\RCX17.tmp
<Current directory>\SgUU.ico
C:\RCX1C.tmp
<Current directory>\lgss.exe
<Current directory>\Akwk.exe
%TEMP%\ZEQAcYcM.bat
%TEMP%\xykQIwMU.bat
C:\RCX1D.tmp
%TEMP%\IWksYgoA.bat
C:\RCX1A.tmp
<Current directory>\qgEE.exe
<Current directory>\cWEI.ico
<Current directory>\wAQc.ico
C:\RCX1B.tmp
<Current directory>\aYsi.exe
<Current directory>\ickO.exe
<Current directory>\eaIo.ico
%TEMP%\ESYAoIcU.bat
C:\RCX10.tmp
<Current directory>\xwIo.exe
<Current directory>\zAss.ico
%TEMP%\MEoIQAME.bat
C:\RCX11.tmp
<Current directory>\RqAU.ico
%TEMP%\VqMwYAUY.bat
C:\RCXE.tmp
<Current directory>\WoAU.exe
<Current directory>\gEoI.exe
<Current directory>\ZOwE.ico
C:\RCXF.tmp
%TEMP%\esggocwo.bat
C:\RCX14.tmp
<Current directory>\rwoy.exe
<Current directory>\IMkk.ico
<Current directory>\HGsU.ico
C:\RCX15.tmp
<Current directory>\BQYS.exe
<Current directory>\sGwo.ico
C:\RCX12.tmp
<Current directory>\doUo.exe
<Current directory>\pIwE.exe
<Current directory>\peEM.ico
%TEMP%\sOMcQMss.bat
C:\RCX13.tmp

Deletes the following files:

<Current directory>\QGUw.ico
%TEMP%\lGQswgYE.bat
<Current directory>\vMwE.ico
<Current directory>\agMw.exe
<Current directory>\kUwm.exe
<Current directory>\Skkk.ico
<Current directory>\REUK.exe
<Current directory>\wIcc.ico
<Current directory>\xMUU.exe
<Current directory>\awwy.exe
<Current directory>\Qasc.ico
<Current directory>\mwUW.exe
<Current directory>\RGMg.ico
<Current directory>\igsq.exe
<Current directory>\eCkM.ico
<Current directory>\GYoC.exe
<Current directory>\QgMs.ico
<Current directory>\DIco.exe
<Current directory>\VkwE.ico
<Current directory>\ZAoC.exe
<Current directory>\tgUI.ico
<Current directory>\lAok.exe
%TEMP%\BgwAsoUA.bat
<Current directory>\hQww.ico
<Current directory>\NCoA.ico
<Current directory>\LcoC.exe
<Current directory>\tgoc.exe
<Current directory>\Bucw.ico
<Current directory>\ucso.exe
<Current directory>\Hkwg.ico
<Current directory>\FIga.exe
%TEMP%\sAYgMksY.bat
<Current directory>\RYkA.ico
<Current directory>\segI.ico
<Current directory>\pIsG.exe
%TEMP%\vcAwYcAA.bat
<Current directory>\fGsQ.ico
<Current directory>\MyMc.ico
<Current directory>\ucMe.exe
<Current directory>\vQAU.exe
<Current directory>\PIEA.ico
<Current directory>\OEAw.exe
<Current directory>\OMIA.ico
%TEMP%\UkMYosAA.bat
<Current directory>\Ekgc.ico
<Current directory>\gMkY.exe
<Current directory>\WQwM.ico
<Current directory>\jsUI.exe
<Current directory>\NaQI.ico
<Current directory>\ecgq.exe
<Current directory>\YEIM.ico
<Current directory>\awga.exe
<Current directory>\SkUO.exe
<Current directory>\gGsw.ico
<Current directory>\vUUC.exe
<Current directory>\TWIM.ico
<Current directory>\bYUc.exe
%TEMP%\XcQkoEkM.bat
<Current directory>\SAcQ.ico
<Current directory>\zssM.ico
<Current directory>\DkQW.exe
<Current directory>\twAo.exe
<Current directory>\GEwg.ico
<Current directory>\PQUs.exe
<Current directory>\XScQ.ico
<Current directory>\HoUe.exe
<Current directory>\IAke.exe
<Current directory>\iAwg.ico
%TEMP%\ZkAIwcIg.bat
<Current directory>\Keks.ico
<Current directory>\yIEw.exe
<Current directory>\tUgM.ico
%TEMP%\HkQAMkAg.bat
<Current directory>\OSgA.ico
<Current directory>\IIMw.exe
<Current directory>\LAUg.exe
<Current directory>\XAYQ.ico
<Current directory>\vQMg.exe
<Current directory>\XioE.ico
<Current directory>\Ggoe.exe
<Current directory>\fyoo.ico
<Current directory>\iUQW.exe
<Current directory>\RqAU.ico
<Current directory>\WoAU.exe
<Current directory>\GcMy.exe
<Current directory>\WgoI.ico
%TEMP%\XMAkYUAE.bat
<Current directory>\lGQs.ico
<Current directory>\BMIA.exe
<Current directory>\kwgw.ico
<Current directory>\fQQI.exe
<Current directory>\ySQE.ico
<Current directory>\lQAO.exe
<Current directory>\gYki.exe
%TEMP%\NYgMIUIo.bat
%TEMP%\ISkkUQsE.bat
<Current directory>\jWMM.ico
<Current directory>\nMUI.exe
<Current directory>\GwgQ.ico
<Current directory>\kcYW.exe
<Current directory>\rEcI.ico
<Current directory>\jMMa.exe
<Current directory>\CgwS.exe
<Current directory>\Mesc.ico
%TEMP%\zkokwkYk.bat
<Current directory>\nEcc.ico
%TEMP%\hcoUAwss.bat
<Current directory>\EKsw.ico
<Current directory>\QsEQ.ico
<Current directory>\qgEE.exe
<Current directory>\HwQa.exe
<Current directory>\jAkc.ico
<Current directory>\sUks.exe
<Current directory>\Imog.ico
<Current directory>\aYsi.exe
<Current directory>\SgUU.ico
<Current directory>\Akwk.exe
<Current directory>\JYcA.ico
<Current directory>\PcgS.exe
<Current directory>\lgss.exe
<Current directory>\cWEI.ico
%TEMP%\xykQIwMU.bat
<Current directory>\wAQc.ico
<Current directory>\hQEW.exe
<Current directory>\doUo.exe
<Current directory>\eaIo.ico
<Current directory>\pIwE.exe
<Current directory>\zAss.ico
<Current directory>\ZOwE.ico
<Current directory>\gEoI.exe
<Current directory>\xwIo.exe
%TEMP%\ESYAoIcU.bat
<Current directory>\sGwo.ico
<Current directory>\ickO.exe
<Current directory>\IMkk.ico
%TEMP%\nYIMYooM.bat
<Current directory>\HGsU.ico
<Current directory>\rwoy.exe
%TEMP%\sOMcQMss.bat
<Current directory>\BQYS.exe
<Current directory>\peEM.ico

Moves the following files:

from C:\RCX2A.tmp to <Current directory>\agMw.exe
from C:\RCX29.tmp to <Current directory>\REUK.exe
from C:\RCX28.tmp to <Current directory>\kUwm.exe
from C:\RCX2B.tmp to <Current directory>\xMUU.exe
from C:\RCX2E.tmp to <Current directory>\awwy.exe
from C:\RCX2D.tmp to <Current directory>\GYoC.exe
from C:\RCX2C.tmp to <Current directory>\igsq.exe
from C:\RCX27.tmp to <Current directory>\DIco.exe
from C:\RCX22.tmp to <Current directory>\lAok.exe
from C:\RCX21.tmp to <Current directory>\ZAoC.exe
from C:\RCX20.tmp to <Current directory>\LcoC.exe
from C:\RCX23.tmp to <Current directory>\tgoc.exe
from C:\RCX26.tmp to <Current directory>\FIga.exe
from C:\RCX25.tmp to <Current directory>\ucso.exe
from C:\RCX24.tmp to <Current directory>\pIsG.exe
from C:\RCX2F.tmp to <Current directory>\mwUW.exe
from C:\RCX3A.tmp to <Current directory>\ucMe.exe
from C:\RCX39.tmp to <Current directory>\OEAw.exe
from C:\RCX38.tmp to <Current directory>\vQAU.exe
from C:\RCX3B.tmp to <Current directory>\ecgq.exe
from C:\RCX3E.tmp to <Current directory>\jsUI.exe
from C:\RCX3D.tmp to <Current directory>\gMkY.exe
from C:\RCX3C.tmp to <Current directory>\awga.exe
from C:\RCX37.tmp to <Current directory>\SkUO.exe
from C:\RCX32.tmp to <Current directory>\bYUc.exe
from C:\RCX31.tmp to <Current directory>\vUUC.exe
from C:\RCX30.tmp to <Current directory>\DkQW.exe
from C:\RCX33.tmp to <Current directory>\twAo.exe
from C:\RCX36.tmp to <Current directory>\HoUe.exe
from C:\RCX35.tmp to <Current directory>\PQUs.exe
from C:\RCX34.tmp to <Current directory>\IAke.exe
from C:\RCXB.tmp to <Current directory>\IIMw.exe
from C:\RCXA.tmp to <Current directory>\vQMg.exe
from C:\RCX9.tmp to <Current directory>\LAUg.exe
from C:\RCXC.tmp to <Current directory>\Ggoe.exe
from C:\RCXF.tmp to <Current directory>\WoAU.exe
from C:\RCXE.tmp to <Current directory>\iUQW.exe
from C:\RCXD.tmp to <Current directory>\GcMy.exe
from C:\RCX8.tmp to <Current directory>\BMIA.exe
from C:\RCX3.tmp to <Current directory>\lQAO.exe
from C:\RCX2.tmp to <Current directory>\fQQI.exe
from C:\RCX1.tmp to <Current directory>\gYki.exe
from C:\RCX4.tmp to <Current directory>\nMUI.exe
from C:\RCX7.tmp to <Current directory>\jMMa.exe
from C:\RCX6.tmp to <Current directory>\kcYW.exe
from C:\RCX5.tmp to <Current directory>\CgwS.exe
from C:\RCX10.tmp to <Current directory>\gEoI.exe
from C:\RCX1B.tmp to <Current directory>\aYsi.exe
from C:\RCX1A.tmp to <Current directory>\qgEE.exe
from C:\RCX19.tmp to <Current directory>\sUks.exe
from C:\RCX1C.tmp to <Current directory>\lgss.exe
from C:\RCX1F.tmp to <Current directory>\yIEw.exe
from C:\RCX1E.tmp to <Current directory>\PcgS.exe
from C:\RCX1D.tmp to <Current directory>\Akwk.exe
from C:\RCX18.tmp to <Current directory>\HwQa.exe
from C:\RCX13.tmp to <Current directory>\pIwE.exe
from C:\RCX12.tmp to <Current directory>\doUo.exe
from C:\RCX11.tmp to <Current directory>\xwIo.exe
from C:\RCX14.tmp to <Current directory>\rwoy.exe
from C:\RCX17.tmp to <Current directory>\hQEW.exe
from C:\RCX16.tmp to <Current directory>\ickO.exe
from C:\RCX15.tmp to <Current directory>\BQYS.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: 'Microsoft Windows'
ClassName: '' WindowName: 'AcIcUcAM.exe'
ClassName: 'Indicator' WindowName: ''
ClassName: '' WindowName: 'jaQEcQMQ.exe'

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