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Trojan.Siggen22.4404

Added to the Dr.Web virus database: 2023-11-12

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'winlogon' = '%WINDIR%\SysWOW64\kr\winlogon.exe'
Sets the following service settings
  • [HKLM\System\CurrentControlSet\Services\NPF] 'ImagePath' = 'system32\drivers\npf.sys'
  • [HKLM\System\CurrentControlSet\Services\rpcapd] 'ImagePath' = '"%ProgramFiles(x86)%\WinPcap\rpcapd.exe" -d -f "%ProgramFiles(x86)%\WinPcap\rpcapd.ini"'
  • [HKLM\SYSTEM\CurrentControlSet\Services\NPF] 'Start' = '00000002'
Creates the following services
  • 'NPF' system32\drivers\npf.sys
  • 'rpcapd' "%ProgramFiles(x86)%\WinPcap\rpcapd.exe" -d -f "%ProgramFiles(x86)%\WinPcap\rpcapd.ini"
Modifies file system
Creates the following files
  • %WINDIR%\syswow64\kr\winlogon.exe
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\thm.wxl
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\thm.xml
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\wixstdba.dll
  • D:\f6878c3dda1fe5724e8d201191e523\$shtdwn$.req
  • D:\f6878c3dda1fe5724e8d201191e523\vc_red.msi
  • D:\f6878c3dda1fe5724e8d201191e523\vc_red.cab
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\warn.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\stop.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\sysreqnotmet.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\sysreqmet.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\setup.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\save.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate8.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate7.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate6.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate5.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate4.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate3.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate2.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate1.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\print.ico
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\logo.png
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\bootstrapperapplicationdata.xml
  • %TEMP%\hfia70c.tmp.html
  • %TEMP%\dd_vcredist_amd64_20231112163053.log
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.be\vcredist_x64.exe
  • %WINDIR%\temp\udda1e9.tmp
  • %TEMP%\microsoft visual c++ 2010 x64 redistributable setup_20231112_163111463.html
  • <SYSTEM32>\packet.dll
  • <SYSTEM32>\wpcap.dll
  • <DRIVERS>\npf.sys
  • %TEMP%\nsh61ee.tmp\system.dll
  • %WINDIR%\syswow64\packet.dll
  • %WINDIR%\syswow64\pthreadvc.dll
  • %WINDIR%\syswow64\wpcap.dll
  • %ProgramFiles(x86)%\winpcap\winpcapinstall.dll
  • %ProgramFiles(x86)%\winpcap\rpcapd.exe
  • %ProgramFiles(x86)%\winpcap\install.log
  • %TEMP%\nsh61ee.tmp\bootoptions.ini
  • %TEMP%\nsh61ee.tmp\installoptions.dll
  • %TEMP%\setup_20231112_163104757.html
  • %TEMP%\hfi7964.tmp.html
  • %TEMP%\nsh61ee.tmp\modern-header.bmp
  • %TEMP%\nsh61ee.tmp\modern-wizard.bmp
  • %TEMP%\nsh61ee.tmp\iospecial.ini
  • %TEMP%\nsh61ee.tmp\userinfo.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1049\eula.rtf
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\license.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1049\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1033\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1033\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\parameterinfo.xml
  • D:\f6878c3dda1fe5724e8d201191e523\splashscreen.bmp
  • D:\f6878c3dda1fe5724e8d201191e523\strings.xml
  • D:\f6878c3dda1fe5724e8d201191e523\uiinfo.xml
  • D:\f6878c3dda1fe5724e8d201191e523\displayicon.ico
  • D:\f6878c3dda1fe5724e8d201191e523\header.bmp
  • D:\f6878c3dda1fe5724e8d201191e523\watermark.bmp
  • D:\f6878c3dda1fe5724e8d201191e523\sqmapi.dll
  • D:\f6878c3dda1fe5724e8d201191e523\setupui.xsd
  • D:\f6878c3dda1fe5724e8d201191e523\setupui.dll
  • D:\f6878c3dda1fe5724e8d201191e523\setupengine.dll
  • D:\f6878c3dda1fe5724e8d201191e523\setup.exe
  • D:\f6878c3dda1fe5724e8d201191e523\dhtmlheader.html
  • %WINDIR%\syswow64\kr\pcapdotnet.packets.dll
  • %WINDIR%\syswow64\kr\pcapdotnet.core.extensions.dll
  • %WINDIR%\syswow64\kr\pcapdotnet.core.dll
  • %WINDIR%\syswow64\kr\pcapdotnet.base.dll
  • %WINDIR%\syswow64\kr\vcredist_2013_x64.exe
  • %WINDIR%\syswow64\kr\vcredist_2010_x64.exe
  • %WINDIR%\winpcap_4_1_3.exe
  • D:\f6878c3dda1fe5724e8d201191e523\1033\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1041\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\3082\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1041\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\3082\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\3082\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1031\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1031\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1031\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1036\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1036\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1036\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1040\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1040\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1040\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\2052\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\2052\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\2052\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1028\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1028\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1028\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1042\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1042\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1042\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1041\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1049\setupresources.dll
  • %TEMP%\nsh61ee.tmp\execdos.dll
Deletes the following files
  • %WINDIR%\temp\udda1e9.tmp
  • D:\f6878c3dda1fe5724e8d201191e523\1041\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1041\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1042\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1042\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1042\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1028\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1028\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1028\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\2052\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\2052\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\2052\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1040\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1040\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1040\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1036\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1041\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1033\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1033\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1033\setupresources.dll
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\thm.xml
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\thm.wxl
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\logo.png
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\license.rtf
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\bootstrapperapplicationdata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\dhtmlheader.html
  • D:\f6878c3dda1fe5724e8d201191e523\setup.exe
  • D:\f6878c3dda1fe5724e8d201191e523\setupui.dll
  • D:\f6878c3dda1fe5724e8d201191e523\setupengine.dll
  • D:\f6878c3dda1fe5724e8d201191e523\setupui.xsd
  • D:\f6878c3dda1fe5724e8d201191e523\sqmapi.dll
  • D:\f6878c3dda1fe5724e8d201191e523\watermark.bmp
  • D:\f6878c3dda1fe5724e8d201191e523\header.bmp
  • D:\f6878c3dda1fe5724e8d201191e523\displayicon.ico
  • D:\f6878c3dda1fe5724e8d201191e523\strings.xml
  • D:\f6878c3dda1fe5724e8d201191e523\splashscreen.bmp
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.ba1\wixstdba.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1036\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1036\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1031\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\stop.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\warn.ico
  • D:\f6878c3dda1fe5724e8d201191e523\parameterinfo.xml
  • D:\f6878c3dda1fe5724e8d201191e523\uiinfo.xml
  • D:\f6878c3dda1fe5724e8d201191e523\vc_red.cab
  • D:\f6878c3dda1fe5724e8d201191e523\vc_red.msi
  • %TEMP%\nsh61ee.tmp\userinfo.dll
  • %TEMP%\nsh61ee.tmp\system.dll
  • %TEMP%\nsh61ee.tmp\modern-wizard.bmp
  • %TEMP%\nsh61ee.tmp\modern-header.bmp
  • %TEMP%\nsh61ee.tmp\iospecial.ini
  • %TEMP%\nsh61ee.tmp\installoptions.dll
  • %TEMP%\nsh61ee.tmp\execdos.dll
  • %TEMP%\nsh61ee.tmp\bootoptions.ini
  • %ProgramFiles(x86)%\winpcap\winpcapinstall.dll
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\sysreqnotmet.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\sysreqmet.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\setup.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\save.ico
  • D:\f6878c3dda1fe5724e8d201191e523\1031\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\3082\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\3082\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\3082\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\1049\setupresources.dll
  • D:\f6878c3dda1fe5724e8d201191e523\1049\localizeddata.xml
  • D:\f6878c3dda1fe5724e8d201191e523\1049\eula.rtf
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate1.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\print.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate2.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate3.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate4.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate5.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate6.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate7.ico
  • D:\f6878c3dda1fe5724e8d201191e523\graphics\rotate8.ico
  • D:\f6878c3dda1fe5724e8d201191e523\1031\localizeddata.xml
  • %TEMP%\{ea14036a-96ff-4c95-a988-78d36f0ccffa}\.be\vcredist_x64.exe
Moves the following files
  • from %TEMP%\hfi7964.tmp.html to %TEMP%\setup_20231112_163104757.html
  • from %TEMP%\setup_20231112_163104757.html to %TEMP%\microsoft visual c++ 2010 x64 redistributable setup_20231112_163111463.html
Network activity
Connects to
  • '18#.#54.240.73':80
  • '18#.#54.240.73':188
TCP
HTTP GET requests
  • http://18#.#54.240.73/w7/winlogon_64.dll
  • http://18#.#54.240.73/w7/WinPcap_4_1_3.exe
  • http://18#.#54.240.73/w7/vcredist_2010_x64.exe
  • http://18#.#54.240.73/w7/vcredist_2013_x64.exe
  • http://18#.#54.240.73/w7/PcapDotNet.Base_64.dll
  • http://18#.#54.240.73/w7/PcapDotNet.Core_64.dll
  • http://18#.#54.240.73/w7/PcapDotNet.Core.Extensions_64.dll
  • http://18#.#54.240.73/w7/PcapDotNet.Packets_64.dll
HTTP POST requests
  • http://18#.##4.240.73:188/log via 18#.#54.240.73
Miscellaneous
Searches for the following windows
  • ClassName: '' WindowName: 'WinPcap 4.1.3 Setup'
  • ClassName: '' WindowName: 'WinPcap 4.1.3 Setup '
  • ClassName: 'Button' WindowName: '&Next >'
  • ClassName: 'Button' WindowName: '&Install'
  • ClassName: 'Button' WindowName: '??(&I)'
  • ClassName: 'Button' WindowName: '??'
  • ClassName: 'Button' WindowName: 'I &Agree'
  • ClassName: 'Button' WindowName: '&Finish'
  • ClassName: '#32770' WindowName: ''
Creates and executes the following
  • '%WINDIR%\syswow64\kr\vcredist_2010_x64.exe' /q /norestart
  • '%WINDIR%\syswow64\kr\vcredist_2013_x64.exe' /q /norestart
  • '%WINDIR%\winpcap_4_1_3.exe'
  • '%WINDIR%\syswow64\kr\vcredist_2013_x64.exe' /q /norestart -burn.unelevated BurnPipe.{683FE17D-A0C4-4763-B4D9-2A4916F9C545} {2CF780E1-C3FE-4AED-8BE2-768FDAC01C7F} 724
  • 'D:\f6878c3dda1fe5724e8d201191e523\setup.exe' /q /norestart
  • '%WINDIR%\syswow64\kr\winlogon.exe'
  • '%WINDIR%\syswow64\net.exe' start npf' (with hidden window)
Executes the following
  • '%WINDIR%\syswow64\net.exe' start npf
  • '%WINDIR%\syswow64\net1.exe' start npf

Curing recommendations

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  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
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