Trojan.DownLoader21.37021

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '1aaf5ef8fe0c9e48b729ff0126d4add6' = '"%TEMP%\Google Chrome2016.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '1aaf5ef8fe0c9e48b729ff0126d4add6' = '"%TEMP%\Google Chrome2016.exe" ..'

Creates or modifies the following files:

%WINDIR%\Tasks\GoogleUpdateTaskMachineUA.job
%WINDIR%\Tasks\GoogleUpdateTaskMachineCore.job

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\gupdatem] 'ImagePath' = '"%ProgramFiles%\Google\Update\GoogleUpdate.exe" /medsvc'
[<HKLM>\SYSTEM\ControlSet001\Services\gupdate] 'ImagePath' = '"%ProgramFiles%\Google\Update\GoogleUpdate.exe" /svc'
[<HKLM>\SYSTEM\ControlSet001\Services\gupdate] 'Start' = '00000002'

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Google Chrome2016.exe' = '%TEMP%\Google Chrome2016.exe:*:Enable...

Executes the following:

'%ProgramFiles%\Google\Update\GoogleUpdate.exe' /regserver
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Google Chrome2016.exe" "Google Chrome2016.exe" ENABLE
'%ProgramFiles%\Google\Update\GoogleUpdate.exe' /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB2ZXJzaW9uPSIxLjMuMjEuMTM1IiBzaGVsbF92ZXJzaW9uPSIxLjMuMjEuMTAzIiBpc21hY2hpbmU9IjEiIHNlc3Npb25pZD0ie0U4MzB...
'%ProgramFiles%\Google\Update\GoogleUpdate.exe' /svc
'%ProgramFiles%\Google\Update\GoogleUpdate.exe' /handoff "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={BF88C166-654A-A338-E25D-93CBA271B6F6}&lang=ar&browser=3&usagestats=0&appname=Google%20Chrome&needsadmin=prefers&installdataindex=de...
'%TEMP%\N6.exe'
'%TEMP%\ChromeSetup.exe'
'%ProgramFiles%\GUM1.tmp\GoogleUpdate.exe' /installsource taggedmi /install "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={BF88C166-654A-A338-E25D-93CBA271B6F6}&lang=ar&browser=3&usagestats=0&appname=Google%20Chrome&needsadmin=pre...
'%ProgramFiles%\Google\Update\GoogleUpdate.exe' /regsvc
'%TEMP%\Google Chrome2016.exe'

Modifies file system:

Creates the following files:

%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_fr.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_fil.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_hi.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_gu.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_et.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_es-419.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_fi.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_fa.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_hr.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_ja.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_iw.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_ko.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_kn.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_id.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_hu.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_it.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_is.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_am.dll
%ProgramFiles%\Google\Update\1.3.21.135\GoogleCrashHandler64.exe
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_bg.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_ar.dll
%ProgramFiles%\Google\Update\1.3.21.135\GoogleUpdate.exe
%TEMP%\Google Chrome2016.exe
%ProgramFiles%\Google\Update\1.3.21.135\GoogleCrashHandler.exe
%ProgramFiles%\Google\Update\1.3.21.135\goopdate.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_bn.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_en.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_el.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_es.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_en-GB.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_cs.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_ca.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_de.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_da.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_ur.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_uk.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_zh-CN.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_vi.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_te.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_ta.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_tr.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_th.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_zh-TW.dll
%ProgramFiles%\Google\Update\1.3.21.135\npGoogleUpdate3.dll
%ProgramFiles%\Google\Update\1.3.21.135\GoogleUpdateSetup.exe
%ProgramFiles%\Google\Update\1.3.21.135\GoogleUpdateOnDemand.exe
%ProgramFiles%\Google\Update\1.3.21.135\GoogleUpdateBroker.exe
%ProgramFiles%\Google\Update\1.3.21.135\psuser.dll
%ProgramFiles%\Google\Update\1.3.21.135\GoogleUpdateHelper.msi
%ProgramFiles%\Google\Update\GoogleUpdate.exe
%ProgramFiles%\Google\Update\1.3.21.135\psmachine.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_nl.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_ms.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_pl.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_no.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_lv.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_lt.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_mr.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_ml.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_pt-BR.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_sr.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_sl.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_sw.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_sv.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_ro.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_pt-PT.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_sk.dll
%ProgramFiles%\Google\Update\1.3.21.135\goopdateres_ru.dll
%ProgramFiles%\GUM1.tmp\GoogleUpdateSetup.exe
%ProgramFiles%\GUM1.tmp\goopdateres_en.dll
%ProgramFiles%\GUM1.tmp\goopdateres_el.dll
%ProgramFiles%\GUM1.tmp\goopdateres_es.dll
%ProgramFiles%\GUM1.tmp\goopdateres_en-GB.dll
%ProgramFiles%\GUM1.tmp\goopdateres_cs.dll
%ProgramFiles%\GUM1.tmp\goopdateres_ca.dll
%ProgramFiles%\GUM1.tmp\goopdateres_de.dll
%ProgramFiles%\GUM1.tmp\goopdateres_da.dll
%ProgramFiles%\GUM1.tmp\goopdateres_es-419.dll
%ProgramFiles%\GUM1.tmp\goopdateres_gu.dll
%ProgramFiles%\GUM1.tmp\goopdateres_fr.dll
%ProgramFiles%\GUM1.tmp\goopdateres_hr.dll
%ProgramFiles%\GUM1.tmp\goopdateres_hi.dll
%ProgramFiles%\GUM1.tmp\goopdateres_fa.dll
%ProgramFiles%\GUM1.tmp\goopdateres_et.dll
%ProgramFiles%\GUM1.tmp\goopdateres_fil.dll
%ProgramFiles%\GUM1.tmp\goopdateres_fi.dll
%ProgramFiles%\GUM1.tmp\goopdate.dll
%ProgramFiles%\GUM1.tmp\GoogleCrashHandler.exe
%ProgramFiles%\GUM1.tmp\GoogleUpdateHelper.msi
%ProgramFiles%\GUM1.tmp\npGoogleUpdate3.dll
%TEMP%\N6.exe
%TEMP%\ChromeSetup.exe
%ProgramFiles%\GUM1.tmp\GoogleUpdate.exe
%ProgramFiles%\GUT2.tmp
%ProgramFiles%\GUM1.tmp\GoogleUpdateBroker.exe
%ProgramFiles%\GUM1.tmp\goopdateres_ar.dll
%ProgramFiles%\GUM1.tmp\goopdateres_am.dll
%ProgramFiles%\GUM1.tmp\goopdateres_bn.dll
%ProgramFiles%\GUM1.tmp\goopdateres_bg.dll
%ProgramFiles%\GUM1.tmp\psmachine.dll
%ProgramFiles%\GUM1.tmp\GoogleUpdateOnDemand.exe
%ProgramFiles%\GUM1.tmp\GoogleCrashHandler64.exe
%ProgramFiles%\GUM1.tmp\psuser.dll
%ProgramFiles%\GUM1.tmp\goopdateres_sr.dll
%ProgramFiles%\GUM1.tmp\goopdateres_sl.dll
%ProgramFiles%\GUM1.tmp\goopdateres_sw.dll
%ProgramFiles%\GUM1.tmp\goopdateres_sv.dll
%ProgramFiles%\GUM1.tmp\goopdateres_ro.dll
%ProgramFiles%\GUM1.tmp\goopdateres_pt-PT.dll
%ProgramFiles%\GUM1.tmp\goopdateres_sk.dll
%ProgramFiles%\GUM1.tmp\goopdateres_ru.dll
%ProgramFiles%\GUM1.tmp\goopdateres_ta.dll
%ProgramFiles%\GUM1.tmp\goopdateres_vi.dll
%ProgramFiles%\GUM1.tmp\goopdateres_ur.dll
%ProgramFiles%\GUM1.tmp\goopdateres_zh-TW.dll
%ProgramFiles%\GUM1.tmp\goopdateres_zh-CN.dll
%ProgramFiles%\GUM1.tmp\goopdateres_th.dll
%ProgramFiles%\GUM1.tmp\goopdateres_te.dll
%ProgramFiles%\GUM1.tmp\goopdateres_uk.dll
%ProgramFiles%\GUM1.tmp\goopdateres_tr.dll
%ProgramFiles%\GUM1.tmp\goopdateres_ja.dll
%ProgramFiles%\GUM1.tmp\goopdateres_iw.dll
%ProgramFiles%\GUM1.tmp\goopdateres_ko.dll
%ProgramFiles%\GUM1.tmp\goopdateres_kn.dll
%ProgramFiles%\GUM1.tmp\goopdateres_id.dll
%ProgramFiles%\GUM1.tmp\goopdateres_hu.dll
%ProgramFiles%\GUM1.tmp\goopdateres_it.dll
%ProgramFiles%\GUM1.tmp\goopdateres_is.dll
%ProgramFiles%\GUM1.tmp\goopdateres_lt.dll
%ProgramFiles%\GUM1.tmp\goopdateres_no.dll
%ProgramFiles%\GUM1.tmp\goopdateres_nl.dll
%ProgramFiles%\GUM1.tmp\goopdateres_pt-BR.dll
%ProgramFiles%\GUM1.tmp\goopdateres_pl.dll
%ProgramFiles%\GUM1.tmp\goopdateres_ml.dll
%ProgramFiles%\GUM1.tmp\goopdateres_lv.dll
%ProgramFiles%\GUM1.tmp\goopdateres_ms.dll
%ProgramFiles%\GUM1.tmp\goopdateres_mr.dll

Network activity:

Connects to:

'ha#####111.no-ip.biz':1177

UDP:

DNS ASK ha#####111.no-ip.biz

Miscellaneous:

Searches for the following windows:

ClassName: 'Indicator' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

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Technical Information

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