Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '13b744fe92a3e5c630f8f3abb1fe36d1' = '"%TEMP%\server.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '13b744fe92a3e5c630f8f3abb1fe36d1' = '"%TEMP%\server.exe" ..'
Creates or modifies the following files:
- %WINDIR%\Tasks\GoogleUpdateTaskMachineUA.job
- %WINDIR%\Tasks\GoogleUpdateTaskMachineCore.job
- %HOMEPATH%\Start Menu\Programs\Startup\13b744fe92a3e5c630f8f3abb1fe36d1.exe
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%\server.exe' = '%TEMP%\server.exe:*:Enabled:server.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\server.exe" "server.exe" ENABLE
Modifies file system:
Creates the following files:
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_gu.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_fr.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_hr.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_hi.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_fil.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_et.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_es-419.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_fi.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_fa.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_kn.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_ja.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_lt.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_ko.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_iw.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_id.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_hu.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_it.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_is.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_am.dll
- %ProgramFiles%\Google\Update\1.3.33.7\GoogleUpdateComRegisterShell64.exe
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_bg.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_ar.dll
- %ProgramFiles%\Google\Update\1.3.33.7\GoogleCrashHandler64.exe
- %ProgramFiles%\Google\Update\1.3.33.7\goopdate.dll
- %ProgramFiles%\Google\Update\1.3.33.7\GoogleUpdate.exe
- %ProgramFiles%\Google\Update\1.3.33.7\GoogleCrashHandler.exe
- %ProgramFiles%\Google\Update\1.3.33.7\GoogleUpdateCore.exe
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_en.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_el.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_es.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_en-GB.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_de.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_ca.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_bn.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_da.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_cs.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_lv.dll
- %ProgramFiles%\Google\Update\1.3.33.7\GoogleUpdateHelper.msi
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_zh-TW.dll
- %ProgramFiles%\Google\Update\1.3.33.7\psuser_64.dll
- %ProgramFiles%\Google\Update\1.3.33.7\psuser.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_zh-CN.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_uk.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_tr.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_vi.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_ur.dll
- %ProgramFiles%\Google\Update\1.3.33.7\GoogleUpdateOnDemand.exe
- %ProgramFiles%\Google\Update\1.3.33.7\GoogleUpdateBroker.exe
- %TEMP%\server.exe
- %ProgramFiles%\Google\Update\1.3.33.7\GoogleUpdateWebPlugin.exe
- %ProgramFiles%\Google\Update\1.3.33.7\npGoogleUpdate3.dll
- %ProgramFiles%\Google\Update\1.3.33.7\psmachine_64.dll
- %ProgramFiles%\Google\Update\1.3.33.7\psmachine.dll
- %ProgramFiles%\Google\Update\1.3.33.7\GoogleUpdateSetup.exe
- %ProgramFiles%\Google\Update\GoogleUpdate.exe
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_pt-BR.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_pl.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_ro.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_pt-PT.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_no.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_mr.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_ml.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_nl.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_ms.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_ta.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_sw.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_th.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_te.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_sv.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_sk.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_ru.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_sr.dll
- %ProgramFiles%\Google\Update\1.3.33.7\goopdateres_sl.dll
- %ProgramFiles%\GUM2.tmp\GoogleUpdateSetup.exe
- %ProgramFiles%\GUM2.tmp\goopdateres_da.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_cs.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_el.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_de.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_ca.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_ar.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_am.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_bn.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_bg.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_fi.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_fa.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_fr.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_fil.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_et.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_en-GB.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_en.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_es-419.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_es.dll
- %ProgramFiles%\GUM2.tmp\npGoogleUpdate3.dll
- %ProgramFiles%\GUM2.tmp\goopdate.dll
- %ProgramFiles%\GUM2.tmp\GoogleUpdateBroker.exe
- %ProgramFiles%\GUM2.tmp\GoogleUpdateHelper.msi
- %ProgramFiles%\GUM2.tmp\GoogleCrashHandler.exe
- %TEMP%\ChromeSetupChromeSetup.exe
- %TEMP%\ChromeSetup.exe
- %ProgramFiles%\GUM2.tmp\GoogleUpdate.exe
- %ProgramFiles%\GUT3.tmp
- %ProgramFiles%\GUM2.tmp\psuser_64.dll
- %ProgramFiles%\GUM2.tmp\psuser.dll
- %ProgramFiles%\GUM2.tmp\GoogleUpdateCore.exe
- %ProgramFiles%\GUM2.tmp\GoogleCrashHandler64.exe
- %ProgramFiles%\GUM2.tmp\psmachine_64.dll
- %ProgramFiles%\GUM2.tmp\GoogleUpdateComRegisterShell64.exe
- %ProgramFiles%\GUM2.tmp\GoogleUpdateOnDemand.exe
- %ProgramFiles%\GUM2.tmp\psmachine.dll
- %ProgramFiles%\GUM2.tmp\GoogleUpdateWebPlugin.exe
- %ProgramFiles%\GUM2.tmp\goopdateres_gu.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_sr.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_sl.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_sw.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_sv.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_sk.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_pt-PT.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_pt-BR.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_ru.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_ro.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_vi.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_ur.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_zh-TW.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_zh-CN.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_uk.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_te.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_ta.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_tr.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_th.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_iw.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_it.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_kn.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_ja.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_is.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_hr.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_hi.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_id.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_hu.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_nl.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_ms.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_pl.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_no.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_mr.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_lt.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_ko.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_ml.dll
- %ProgramFiles%\GUM2.tmp\goopdateres_lv.dll
Network activity:
Connects to:
- 'localhost':1067
- 'localhost':1070
- 'localhost':1177
- 'wp#d':80
TCP:
HTTP GET requests:
- http://11#.#11.111.1/wpad.dat via wp#d
UDP:
- DNS ASK up####.googleapis.com
- DNS ASK wp#d
Miscellaneous:
Creates and executes the following:
- '%ProgramFiles%\Google\Update\GoogleUpdate.exe' /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB2ZXJzaW9uPSIxLjMuMzMuNyIgc2hlbGxfdmVyc2lvbj0iMS4zLjMzLjciIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7Q0EyNENFQjc...
- '%ProgramFiles%\Google\Update\GoogleUpdate.exe' /regserver
- '%ProgramFiles%\Google\Update\GoogleUpdate.exe' /svc
- '%ProgramFiles%\Google\Update\GoogleUpdate.exe' /handoff "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={2756A434-EBA1-31FC-C008-A4FF03C36B7C}&lang=fr&browser=5&usagestats=1&appname=Google%20Chrome&needsadmin=prefers&ap=x64-stable-stats...
- '%TEMP%\server.exe'
- '%TEMP%\ChromeSetupChromeSetup.exe'
- '%TEMP%\ChromeSetup.exe'
- '%ProgramFiles%\Google\Update\GoogleUpdate.exe' /regsvc
- '%ProgramFiles%\GUM2.tmp\GoogleUpdate.exe' /installsource taggedmi /install "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={2756A434-EBA1-31FC-C008-A4FF03C36B7C}&lang=fr&browser=5&usagestats=1&appname=Google%20Chrome&needsadmin=pre...
