Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\dialersvc64
Sets the following service settings
- [HKLM\SYSTEM\CurrentControlSet\Services\Microsoft Edge] 'Start' = '00000002'
- [HKLM\SYSTEM\CurrentControlSet\Services\Microsoft Edge] 'ImagePath' = '%ALLUSERSPROFILE%\Microsoft Edge Corporation\Microsoft Edge.exe'
- [HKLM\SYSTEM\CurrentControlSet\Services\WinRing0_1_2_0] 'ImagePath' = '%WINDIR%\TEMP\WinRing0x64.sys'
Creates the following services
- 'Microsoft Edge' %ALLUSERSPROFILE%\Microsoft Edge Corporation\Microsoft Edge.exe
- 'WinRing0_1_2_0' %WINDIR%\TEMP\WinRing0x64.sys
Malicious functions
To complicate detection of its presence in the operating system,
blocks the following features:
- Windows Event Logging
adds antivirus exclusion:
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
Injects code into
the following system processes:
- <SYSTEM32>\dllhost.exe
- <SYSTEM32>\dialer.exe
- <SYSTEM32>\winlogon.exe
- <SYSTEM32>\lsass.exe
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\dwm.exe
- <SYSTEM32>\wudfhost.exe
- <SYSTEM32>\spoolsv.exe
- <SYSTEM32>\sihost.exe
- <SYSTEM32>\taskhostw.exe
- %WINDIR%\explorer.exe
- <SYSTEM32>\runtimebroker.exe
- <SYSTEM32>\securityhealthsystray.exe
- <SYSTEM32>\oobe\useroobebroker.exe
- <SYSTEM32>\sppextcomobj.exe
- <SYSTEM32>\slui.exe
- <SYSTEM32>\windowspowershell\v1.0\powershell.exe
- <SYSTEM32>\conhost.exe
- <SYSTEM32>\werfault.exe
the following user processes:
- iexplore.exe
- firefox.exe
Patches code
in dll
- dllhost.exe process, KERNEL32.dll module
- winlogon.exe process, pdh.dll module
- lsass.exe process, pdh.dll module
- svchost.exe process, pdh.dll module
- dwm.exe process, pdh.dll module
- wudfhost.exe process, pdh.dll module
- spoolsv.exe process, pdh.dll module
- sihost.exe process, pdh.dll module
- taskhostw.exe process, pdh.dll module
- runtimebroker.exe process, pdh.dll module
- runtimebroker.exe process, ADVAPI32.dll module
- securityhealthsystray.exe process, pdh.dll module
- iexplore.exe process, pdh.dll module
- firefox.exe process, pdh.dll module
- useroobebroker.exe process, pdh.dll module
- powershell.exe process, pdh.dll module
- powershell.exe process, SECHOST.dll module
- powershell.exe process, ADVAPI32.dll module
in AMSI dll
- powershell.exe process, Amsi.dll module
in NTDLL dll
- dllhost.exe process, ntdll.dll module
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\windowspowershell\v1.0\powershell.exe
- <SYSTEM32>\dllhost.exe
Modifies file system
Creates the following files
- %ALLUSERSPROFILE%\microsoft edge corporation\microsoft edge.exe
- %WINDIR%\temp\__psscriptpolicytest_kn4v524s.dsw.ps1
- %WINDIR%\temp\__psscriptpolicytest_5yzztjvt.nyc.psm1
- %WINDIR%\temp\__psscriptpolicytest_0sifl5tf.vem.ps1
- %WINDIR%\temp\__psscriptpolicytest_noepzd34.2hq.psm1
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-00-921.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-01-235.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-01-347.dump
- %WINDIR%\temp\content\5864-5704-powershell.exe-13-17-01-380.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-06-350.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-06-630.dump
- %WINDIR%\temp\__psscriptpolicytest_zv12xyqp.eit.ps1
- %WINDIR%\temp\__psscriptpolicytest_op0oxpgu.r4o.psm1
- %WINDIR%\temp\content\5864-5704-powershell.exe-13-17-08-999.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-06-993.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-09-590.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-10-294.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-10-448.dump
- %WINDIR%\temp\content\5864-5704-powershell.exe-13-17-10-631.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-10-685.dump
- %WINDIR%\temp\content\5864-5704-powershell.exe-13-17-10-708.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-10-785.dump
- %WINDIR%\temp\content\5864-5704-powershell.exe-13-17-10-902.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-10-913.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-10-945.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-10-977.dump
- %WINDIR%\temp\content\5864-5704-powershell.exe-13-17-10-996.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-11-009.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-11-040.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-11-071.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-11-093.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-11-699.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-11-757.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-11-788.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-12-225.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-12-263.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-12-394.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-12-426.dump
- %WINDIR%\temp\content\4324-3616-powershell.exe-13-17-12-498.dump
- <SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\powershell\startupprofiledata-noninteractive
- %WINDIR%\temp\uoowrzxwkqgs.sys
- %WINDIR%\temp\__psscriptpolicytest_b5hxuuww.lc3.ps1
- %WINDIR%\temp\__psscriptpolicytest_btxfxwjw.l3a.psm1
- %WINDIR%\temp\content\6056-1308-powershell.exe-13-17-21-673.dump
- %WINDIR%\temp\content\6056-1308-powershell.exe-13-17-23-105.dump
- <SYSTEM32>\config\systemprofile\appdata\local\microsoft\windows\powershell\moduleanalysiscache
- %WINDIR%\temp\content\6056-1308-powershell.exe-13-17-24-296.dump
- %WINDIR%\temp\content\6056-1308-powershell.exe-13-17-25-780.dump
Deletes following files that it created itself
- %WINDIR%\temp\__psscriptpolicytest_kn4v524s.dsw.ps1
- %WINDIR%\temp\__psscriptpolicytest_5yzztjvt.nyc.psm1
- %WINDIR%\temp\__psscriptpolicytest_0sifl5tf.vem.ps1
- %WINDIR%\temp\__psscriptpolicytest_noepzd34.2hq.psm1
- %WINDIR%\temp\__psscriptpolicytest_zv12xyqp.eit.ps1
- %WINDIR%\temp\__psscriptpolicytest_op0oxpgu.r4o.psm1
- <SYSTEM32>\tasks\dialersvc64
- %WINDIR%\temp\__psscriptpolicytest_b5hxuuww.lc3.ps1
- %WINDIR%\temp\__psscriptpolicytest_btxfxwjw.l3a.psm1
Network activity
Connects to
- 'po##.#ashvault.pro':443
- 'pa###bin.com':443
- 'po####n.therpc.io':443
- '77.##.96.177':80
TCP
Other
- 'po##.#ashvault.pro':443
- 'pa###bin.com':443
- 'po####n.therpc.io':443
UDP
- DNS ASK po##.#ashvault.pro
- DNS ASK pa###bin.com
- DNS ASK po####n.therpc.io
Miscellaneous
Creates and executes the following
- '%ALLUSERSPROFILE%\microsoft edge corporation\microsoft edge.exe'
Executes the following
- '<SYSTEM32>\cmd.exe' /c wusa /uninstall /kb:890830 /quiet /norestart
- '<SYSTEM32>\powercfg.exe' /x -hibernate-timeout-ac 0
- '<SYSTEM32>\powercfg.exe' /x -hibernate-timeout-dc 0
- '<SYSTEM32>\powercfg.exe' /x -standby-timeout-ac 0
- '<SYSTEM32>\powercfg.exe' /x -standby-timeout-dc 0
- '<SYSTEM32>\wusa.exe' /uninstall /kb:890830 /quiet /norestart
- '<SYSTEM32>\dialer.exe'
- '<SYSTEM32>\sc.exe' delete "Microsoft Edge"
- '<SYSTEM32>\sc.exe' create "Microsoft Edge" binpath= "%ALLUSERSPROFILE%\Microsoft Edge Corporation\Microsoft Edge.exe" start= "auto"
- '<SYSTEM32>\sc.exe' stop eventlog
- '<SYSTEM32>\sc.exe' start "Microsoft Edge"
- '<SYSTEM32>\dllhost.exe' /Processid:{4debfd72-7542-440f-96ef-b35e890237e1}
- '<SYSTEM32>\dllhost.exe' /Processid:{182fc18d-27d8-4605-af1c-ccaf491e1951}
