Trojan.DownLoader12.32920

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%\CscIkwsQ.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\wmscosYM.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\howAIsoA.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\SCYgYcko.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\IEcAkcoM.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\icgsEgMY.bat" "<Full path to virus>""
'<SYSTEM32>\reg.exe' /pid=2828
'<SYSTEM32>\reg.exe' /c "<Current directory>\<Virus name>"
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\UWgwEEUU.bat" "<Full path to virus>""
'<SYSTEM32>\reg.exe' /pid=2664
'<SYSTEM32>\reg.exe' %TEMP%\file.vbs
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\EcgkQEQU.bat" "<Full path to virus>""
'<SYSTEM32>\cscript.exe' %TEMP%\file.vbs
'<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 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>\cmd.exe' /c ""%TEMP%\OAIEkEUc.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\pEEUUYsI.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\EMEYQYQo.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\dSgYogcQ.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\TYgAQAcY.bat" "<Full path to virus>""
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\ncMgUocg.bat" "<Full path to virus>""

Injects code into

the following system processes:

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

Modifies file system :

Creates the following files:

C:\RCX23.tmp
<Current directory>\GcoQ.exe
<Current directory>\bGAo.ico
C:\RCX24.tmp
<Current directory>\nAIk.exe
<Current directory>\rKgM.ico
%TEMP%\CscIkwsQ.bat
C:\RCX21.tmp
<Current directory>\lIIc.exe
C:\RCX22.tmp
<Current directory>\ZoQG.exe
<Current directory>\uusU.ico
<Current directory>\JUIc.ico
<Current directory>\KIso.exe
<Current directory>\IkQE.ico
%TEMP%\wmscosYM.bat
<Current directory>\wEUM.exe
<Current directory>\qegI.ico
C:\RCX27.tmp
%TEMP%\qswoQksM.bat
C:\RCX25.tmp
<Current directory>\agUw.exe
C:\RCX26.tmp
<Current directory>\ggMe.exe
<Current directory>\ZwkU.ico
C:\RCX1C.tmp
<Current directory>\KEEk.exe
<Current directory>\KSAY.ico
C:\RCX1D.tmp
<Current directory>\ukww.exe
<Current directory>\QYIg.ico
%TEMP%\KqQMYckw.bat
<Current directory>\uSgI.ico
C:\RCX1A.tmp
%TEMP%\IEcAkcoM.bat
C:\RCX1B.tmp
<Current directory>\ewMy.exe
<Current directory>\yaEg.ico
<Current directory>\aIws.exe
<Current directory>\rycs.ico
%TEMP%\howAIsoA.bat
<Current directory>\KyQQ.ico
%TEMP%\lWYcYwAA.bat
C:\RCX20.tmp
%TEMP%\cwQkkEsA.bat
C:\RCX1E.tmp
<Current directory>\FMUs.exe
C:\RCX1F.tmp
<Current directory>\FMMY.exe
<Current directory>\lKUQ.ico
%TEMP%\UWgwEEUU.bat
<Current directory>\Iwwc.exe
<Current directory>\eUAI.ico
<Current directory>\FQUE.exe
<Current directory>\FywQ.ico
C:\RCX32.tmp
<Current directory>\GAMM.ico
C:\RCX30.tmp
<Current directory>\jIwk.exe
%TEMP%\jMUIwEog.bat
C:\RCX31.tmp
<Current directory>\KAYO.exe
C:\RCX33.tmp
C:\RCX36.tmp
<Current directory>\Ocsy.exe
<Current directory>\fwQk.ico
<Current directory>\SIwa.exe
<Current directory>\AOIQ.ico
%TEMP%\pwgYUcAw.bat
C:\RCX34.tmp
<Current directory>\bgYW.exe
<Current directory>\CEMs.ico
C:\RCX35.tmp
<Current directory>\zMgw.exe
<Current directory>\RkUM.ico
<Current directory>\PQAM.ico
%TEMP%\dQcwwQkk.bat
C:\RCX2A.tmp
%TEMP%\icgsEgMY.bat
C:\RCX2B.tmp
<Current directory>\HgYg.exe
<Current directory>\ZwEg.exe
<Current directory>\sQEU.ico
C:\RCX28.tmp
<Current directory>\xMAe.exe
<Current directory>\LuYU.ico
C:\RCX29.tmp
<Current directory>\LSIY.ico
<Current directory>\EOQc.ico
C:\RCX2E.tmp
<Current directory>\MYYY.exe
<Current directory>\PwcQ.ico
C:\RCX2F.tmp
<Current directory>\VowU.exe
<Current directory>\iiAg.ico
C:\RCX2C.tmp
<Current directory>\UEIi.exe
<Current directory>\Lsso.ico
C:\RCX2D.tmp
<Current directory>\IUMw.exe
C:\RCX7.tmp
<Current directory>\XwsE.exe
<Current directory>\Kegw.ico
C:\RCX8.tmp
<Current directory>\oIUK.exe
<Current directory>\ZUgc.ico
C:\RCX5.tmp
<Current directory>\Ckga.exe
<Current directory>\AsoI.ico
C:\RCX6.tmp
<Current directory>\OMgO.exe
<Current directory>\kukU.ico
<Current directory>\JQAU.ico
<Current directory>\kMQM.exe
<Current directory>\iWQs.ico
%TEMP%\ncMgUocg.bat
<Current directory>\wIki.exe
<Current directory>\gYAU.ico
C:\RCXB.tmp
%TEMP%\XoAQwsgk.bat
C:\RCX9.tmp
<Current directory>\yEks.exe
C:\RCXA.tmp
<Current directory>\awgQ.exe
<Current directory>\GOMo.ico
<Current directory>\jEoY.exe
<Current directory>\<Virus name>
%TEMP%\asgksEwc.bat
<Current directory>\UmkU.ico
%TEMP%\EcgkQEQU.bat
C:\RCX1.tmp
%ALLUSERSPROFILE%\lwQggIEM\nwAEcgMA.exe
%ALLUSERSPROFILE%\vesswIQA\AcIcUcAM
%HOMEPATH%\NIMMEwsg\jaQEcQMQ
<Current directory>\fOkI.ico
C:\Documents and Settings\LocalService\NIMMEwsg\jaQEcQMQ
%ALLUSERSPROFILE%\casg.txt
%TEMP%\file.vbs
<Current directory>\dsEE.ico
%TEMP%\gEEsYIcI.bat
C:\RCX3.tmp
%TEMP%\TYgAQAcY.bat
C:\RCX4.tmp
<Current directory>\bYUA.exe
<Current directory>\wIsC.exe
%TEMP%\OAIEkEUc.bat
%TEMP%\CegYAMEo.bat
<Current directory>\CYMu.exe
<Current directory>\QKQA.ico
C:\RCX2.tmp
%TEMP%\EMEYQYQo.bat
C:\RCX15.tmp
<Current directory>\DQYo.exe
C:\RCX16.tmp
<Current directory>\GMEq.exe
<Current directory>\XsMk.ico
<Current directory>\YkAi.exe
<Current directory>\CQgE.ico
C:\RCX13.tmp
<Current directory>\zsQc.ico
%TEMP%\LcAMIQcs.bat
C:\RCX14.tmp
<Current directory>\YEko.ico
%TEMP%\RkAgcUgo.bat
C:\RCX19.tmp
<Current directory>\XQYy.exe
<Current directory>\MUQm.exe
<Current directory>\fykw.ico
%TEMP%\SCYgYcko.bat
<Current directory>\lsMA.ico
C:\RCX17.tmp
<Current directory>\gUsq.exe
<Current directory>\dgIA.ico
C:\RCX18.tmp
<Current directory>\CQYm.exe
C:\RCXE.tmp
<Current directory>\qoMu.exe
<Current directory>\JkIk.ico
C:\RCXF.tmp
<Current directory>\lUgo.exe
<Current directory>\tacg.ico
%TEMP%\XoMEUokY.bat
<Current directory>\lUgk.ico
C:\RCXC.tmp
%TEMP%\dSgYogcQ.bat
C:\RCXD.tmp
<Current directory>\AYUy.exe
<Current directory>\HQAo.ico
<Current directory>\cYUA.exe
<Current directory>\UGoA.ico
%TEMP%\pEEUUYsI.bat
<Current directory>\XMMi.exe
<Current directory>\twcw.ico
C:\RCX12.tmp
%TEMP%\QqUwQMMY.bat
C:\RCX10.tmp
<Current directory>\VEUM.exe
C:\RCX11.tmp
<Current directory>\ycIO.exe
<Current directory>\UYEg.ico

Deletes the following files:

<Current directory>\nAIk.exe
<Current directory>\rKgM.ico
<Current directory>\agUw.exe
<Current directory>\bGAo.ico
<Current directory>\ZoQG.exe
<Current directory>\uusU.ico
<Current directory>\GcoQ.exe
<Current directory>\JUIc.ico
<Current directory>\IkQE.ico
<Current directory>\wEUM.exe
<Current directory>\qegI.ico
<Current directory>\KIso.exe
%TEMP%\qswoQksM.bat
<Current directory>\ggMe.exe
<Current directory>\ZwkU.ico
<Current directory>\QYIg.ico
<Current directory>\FMUs.exe
<Current directory>\yaEg.ico
<Current directory>\ukww.exe
<Current directory>\uSgI.ico
<Current directory>\KEEk.exe
<Current directory>\KSAY.ico
%TEMP%\cwQkkEsA.bat
%TEMP%\lWYcYwAA.bat
<Current directory>\lIIc.exe
<Current directory>\KyQQ.ico
<Current directory>\rycs.ico
<Current directory>\FMMY.exe
<Current directory>\lKUQ.ico
<Current directory>\aIws.exe
<Current directory>\ZwEg.exe
<Current directory>\Iwwc.exe
<Current directory>\eUAI.ico
<Current directory>\FQUE.exe
<Current directory>\GAMM.ico
<Current directory>\PwcQ.ico
%TEMP%\jMUIwEog.bat
<Current directory>\KAYO.exe
<Current directory>\FywQ.ico
<Current directory>\Ocsy.exe
<Current directory>\fwQk.ico
%TEMP%\pwgYUcAw.bat
<Current directory>\RkUM.ico
<Current directory>\bgYW.exe
<Current directory>\CEMs.ico
<Current directory>\zMgw.exe
<Current directory>\HgYg.exe
<Current directory>\PQAM.ico
<Current directory>\UEIi.exe
%TEMP%\dQcwwQkk.bat
<Current directory>\sQEU.ico
<Current directory>\xMAe.exe
<Current directory>\LuYU.ico
<Current directory>\LSIY.ico
<Current directory>\VowU.exe
<Current directory>\EOQc.ico
<Current directory>\jIwk.exe
<Current directory>\Lsso.ico
<Current directory>\IUMw.exe
<Current directory>\iiAg.ico
<Current directory>\MYYY.exe
<Current directory>\ewMy.exe
<Current directory>\yEks.exe
<Current directory>\JQAU.ico
%TEMP%\XoAQwsgk.bat
<Current directory>\ZUgc.ico
<Current directory>\XwsE.exe
<Current directory>\Kegw.ico
<Current directory>\oIUK.exe
<Current directory>\awgQ.exe
<Current directory>\gYAU.ico
%TEMP%\XoMEUokY.bat
<Current directory>\AYUy.exe
<Current directory>\wIki.exe
<Current directory>\GOMo.ico
<Current directory>\kMQM.exe
<Current directory>\iWQs.ico
<Current directory>\wIsC.exe
<Current directory>\UmkU.ico
<Current directory>\CYMu.exe
%TEMP%\CegYAMEo.bat
%TEMP%\asgksEwc.bat
<Current directory>\jEoY.exe
<Current directory>\fOkI.ico
%TEMP%\gEEsYIcI.bat
<Current directory>\AsoI.ico
<Current directory>\OMgO.exe
<Current directory>\kukU.ico
<Current directory>\Ckga.exe
<Current directory>\QKQA.ico
<Current directory>\bYUA.exe
<Current directory>\dsEE.ico
<Current directory>\lUgk.ico
<Current directory>\XsMk.ico
<Current directory>\gUsq.exe
<Current directory>\YEko.ico
<Current directory>\GMEq.exe
%TEMP%\LcAMIQcs.bat
<Current directory>\DQYo.exe
<Current directory>\zsQc.ico
<Current directory>\CQYm.exe
<Current directory>\MUQm.exe
<Current directory>\fykw.ico
%TEMP%\KqQMYckw.bat
%TEMP%\RkAgcUgo.bat
<Current directory>\lsMA.ico
<Current directory>\XQYy.exe
<Current directory>\dgIA.ico
<Current directory>\VEUM.exe
<Current directory>\HQAo.ico
%TEMP%\QqUwQMMY.bat
<Current directory>\tacg.ico
<Current directory>\qoMu.exe
<Current directory>\JkIk.ico
<Current directory>\lUgo.exe
<Current directory>\ycIO.exe
<Current directory>\twcw.ico
<Current directory>\YkAi.exe
<Current directory>\CQgE.ico
<Current directory>\XMMi.exe
<Current directory>\UYEg.ico
<Current directory>\cYUA.exe
<Current directory>\UGoA.ico

Moves the following files:

from C:\RCX25.tmp to <Current directory>\agUw.exe
from C:\RCX24.tmp to <Current directory>\nAIk.exe
from C:\RCX23.tmp to <Current directory>\GcoQ.exe
from C:\RCX28.tmp to <Current directory>\wEUM.exe
from C:\RCX27.tmp to <Current directory>\KIso.exe
from C:\RCX26.tmp to <Current directory>\ggMe.exe
from C:\RCX22.tmp to <Current directory>\ZoQG.exe
from C:\RCX1E.tmp to <Current directory>\FMUs.exe
from C:\RCX1D.tmp to <Current directory>\ukww.exe
from C:\RCX1C.tmp to <Current directory>\KEEk.exe
from C:\RCX21.tmp to <Current directory>\lIIc.exe
from C:\RCX20.tmp to <Current directory>\aIws.exe
from C:\RCX1F.tmp to <Current directory>\FMMY.exe
from C:\RCX29.tmp to <Current directory>\ZwEg.exe
from C:\RCX33.tmp to <Current directory>\FQUE.exe
from C:\RCX32.tmp to <Current directory>\Iwwc.exe
from C:\RCX31.tmp to <Current directory>\KAYO.exe
from C:\RCX36.tmp to <Current directory>\Ocsy.exe
from C:\RCX35.tmp to <Current directory>\zMgw.exe
from C:\RCX34.tmp to <Current directory>\bgYW.exe
from C:\RCX30.tmp to <Current directory>\jIwk.exe
from C:\RCX2C.tmp to <Current directory>\UEIi.exe
from C:\RCX2B.tmp to <Current directory>\HgYg.exe
from C:\RCX2A.tmp to <Current directory>\xMAe.exe
from C:\RCX2F.tmp to <Current directory>\VowU.exe
from C:\RCX2E.tmp to <Current directory>\MYYY.exe
from C:\RCX2D.tmp to <Current directory>\IUMw.exe
from C:\RCXA.tmp to <Current directory>\awgQ.exe
from C:\RCX9.tmp to <Current directory>\yEks.exe
from C:\RCX8.tmp to <Current directory>\oIUK.exe
from C:\RCXD.tmp to <Current directory>\AYUy.exe
from C:\RCXC.tmp to <Current directory>\wIki.exe
from C:\RCXB.tmp to <Current directory>\kMQM.exe
from C:\RCX7.tmp to <Current directory>\XwsE.exe
from C:\RCX3.tmp to <Current directory>\CYMu.exe
from C:\RCX2.tmp to <Current directory>\wIsC.exe
from C:\RCX1.tmp to <Current directory>\jEoY.exe
from C:\RCX6.tmp to <Current directory>\OMgO.exe
from C:\RCX5.tmp to <Current directory>\Ckga.exe
from C:\RCX4.tmp to <Current directory>\bYUA.exe
from C:\RCXE.tmp to <Current directory>\qoMu.exe
from C:\RCX18.tmp to <Current directory>\CQYm.exe
from C:\RCX17.tmp to <Current directory>\gUsq.exe
from C:\RCX16.tmp to <Current directory>\GMEq.exe
from C:\RCX1B.tmp to <Current directory>\ewMy.exe
from C:\RCX1A.tmp to <Current directory>\MUQm.exe
from C:\RCX19.tmp to <Current directory>\XQYy.exe
from C:\RCX15.tmp to <Current directory>\DQYo.exe
from C:\RCX11.tmp to <Current directory>\ycIO.exe
from C:\RCX10.tmp to <Current directory>\VEUM.exe
from C:\RCXF.tmp to <Current directory>\lUgo.exe
from C:\RCX14.tmp to <Current directory>\YkAi.exe
from C:\RCX13.tmp to <Current directory>\XMMi.exe
from C:\RCX12.tmp to <Current directory>\cYUA.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'

Технологии

Термины

Обучение и просвещение

Мифы

Technical Information

Рекомендации по лечению

Демо бесплатно на 14 дней