Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '946589f7f847301f8eee827f12194b9e' = '"%TEMP%\chost.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '946589f7f847301f8eee827f12194b9e' = '"%TEMP%\chost.exe" ..'
Creates or modifies the following files:
- %WINDIR%\Tasks\GoogleUpdateTaskMachineUA.job
- %WINDIR%\Tasks\GoogleUpdateTaskMachineCore.job
Creates the following services:
- [<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%\chost.exe' = '%TEMP%\chost.exe:*:Enabled:chost.exe'
Creates and executes the following:
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /regserver
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /regsvc
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /ping 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-PGV2ZW50IGV2ZW50dHlwZT0iMiIgZXZlbnRyZXN1bHQ9IjEiIGVycm9yY29kZT0iMCIgZXh0cmFjb2RlMT0iMCIgaW5zdGFsbF90aW1lX21zPSIxNTczNSIvPjwvYXBwPjwvcmVxdWVzdD4
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /svc
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /handoff "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={6F0AD973-3193-8F1C-049D-99610529E520}&lang=fr&browser=2&usagestats=0&appname=Google%20Chrome&needsadmin=prefers&brand=CHNG&installdataindex=defaultbrowser" /installsource taggedmi /sessionid "{EF506495-632F-49B5-B4A5-77E309A605B8}"
- 'C:\Extracted\aaa.exe'
- 'C:\Extracted\c7c7c7.exe'
- '%TEMP%\chost.exe'
- '%PROGRAM_FILES%\GUM1.tmp\GoogleUpdate.exe' /installsource taggedmi /install "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={6F0AD973-3193-8F1C-049D-99610529E520}&lang=fr&browser=2&usagestats=0&appname=Google%20Chrome&needsadmin=prefers&brand=CHNG&installdataindex=defaultbrowser"
- 'C:\Extracted\ChromeSetup.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\chost.exe" "chost.exe" ENABLE
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_fil.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_fi.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_gu.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_fr.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_es-419.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_es.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_fa.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_et.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_hi.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_iw.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_it.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_kn.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_ja.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_hu.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_hr.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_is.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_id.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_en-GB.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\GoogleCrashHandler.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdate.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_am.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\GoogleCrashHandler64.exe
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_zh-TW.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_zh-CN.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\GoogleUpdate.exe
- %PROGRAM_FILES%\GUM1.tmp\GoogleUpdateSetup.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_ar.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_de.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_da.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_en.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_el.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_bn.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_bg.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_cs.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_ca.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_ur.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_uk.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_zh-CN.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_vi.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_te.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_ta.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_tr.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_th.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_zh-TW.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\npGoogleUpdate3.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\GoogleUpdateSetup.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.5\GoogleUpdateOnDemand.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.5\GoogleUpdateBroker.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.5\psuser.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\GoogleUpdateHelper.msi
- %PROGRAM_FILES%\Google\Update\GoogleUpdate.exe
- %PROGRAM_FILES%\Google\Update\1.3.22.5\psmachine.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_sw.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_ms.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_mr.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_no.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_nl.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_lt.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_ko.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_ml.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_lv.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_pl.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_sl.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_sk.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_sv.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_sr.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_pt-PT.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_pt-BR.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_ru.dll
- %PROGRAM_FILES%\Google\Update\1.3.22.5\goopdateres_ro.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_da.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_cs.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_el.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_de.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_bg.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ar.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ca.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_bn.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_en.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_fi.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_fa.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_fr.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_fil.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_es.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_en-GB.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_et.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_es-419.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_am.dll
- %TEMP%\chost.exe
- C:\Extracted\aaa.exe
- %PROGRAM_FILES%\GUM1.tmp\GoogleUpdate.exe
- %PROGRAM_FILES%\GUT2.tmp
- C:\Extracted\c7c7c7.exe
- %TEMP%\sfx.ini
- C:\Extracted\HVMRuntm.dll
- C:\Extracted\ChromeSetup.exe
- %PROGRAM_FILES%\GUM1.tmp\GoogleCrashHandler.exe
- %PROGRAM_FILES%\GUM1.tmp\psmachine.dll
- %PROGRAM_FILES%\GUM1.tmp\GoogleUpdateOnDemand.exe
- %PROGRAM_FILES%\GUM1.tmp\GoogleCrashHandler64.exe
- %PROGRAM_FILES%\GUM1.tmp\psuser.dll
- %PROGRAM_FILES%\GUM1.tmp\npGoogleUpdate3.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdate.dll
- %PROGRAM_FILES%\GUM1.tmp\GoogleUpdateBroker.exe
- %PROGRAM_FILES%\GUM1.tmp\GoogleUpdateHelper.msi
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_sk.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ru.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_sr.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_sl.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_pt-BR.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_pl.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ro.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_pt-PT.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_sv.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_uk.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_tr.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_vi.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ur.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ta.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_sw.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_th.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_te.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_no.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_is.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_id.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_iw.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_it.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_hi.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_gu.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_hu.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_hr.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ja.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_mr.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ml.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_nl.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ms.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_ko.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_kn.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_lv.dll
- %PROGRAM_FILES%\GUM1.tmp\goopdateres_lt.dll
Deletes the following files:
- %TEMP%\sfx.ini
Network activity:
Connects to:
- 'localhost':1051
- '74.##5.232.51':80
- '74.##5.232.51':443
- 'ja#####emi.no-ip.biz':5552
- 'wp#d':80
- 'localhost':1049
TCP:
HTTP GET requests:
- wp#d/wpad.dat
UDP:
- DNS ASK to###.google.com
- DNS ASK wp#d
- DNS ASK ja#####emi.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
