Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\system\systemcheck
Malicious functions
Injects code into
the following user processes:
- helper.exe
Modifies file system
Creates the following files
- %TEMP%\aut445f.tmp
- %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\cached-certs.tmp
- %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\unverified-microdesc-consensus.tmp
- %APPDATA%\microsoft\windows\tor\tordata\tor.pid
- %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\state.tmp
- %APPDATA%\microsoft\windows\tor\tordata\torconfig
- %APPDATA%\microsoft\windows\tor\zlib1.dll
- %APPDATA%\microsoft\windows\tor\tor.exe
- %APPDATA%\microsoft\windows\tor\ssleay32.dll
- %APPDATA%\microsoft\windows\tor\libwinpthread-1.dll
- %APPDATA%\microsoft\windows\tor\libssp-0.dll
- %APPDATA%\microsoft\windows\tor\libgmp-10.dll
- %APPDATA%\microsoft\windows\tor\libgcc_s_sjlj-1.dll
- %APPDATA%\microsoft\windows\tor\libevent_extra-2-1-6.dll
- %APPDATA%\microsoft\windows\tor\libevent_core-2-1-6.dll
- %APPDATA%\microsoft\windows\tor\libevent-2-1-6.dll
- %APPDATA%\microsoft\windows\tor\libeay32.dll
- %APPDATA%\microsoft\windows\tor.tmp
- %APPDATA%\microsoft\windows\helper.exe
- %TEMP%\systemcheck.xml
- %TEMP%\64.exe
- %TEMP%\32.exe
- %TEMP%\cl_debug_log.txt
- %TEMP%\auta6ab.tmp
- %TEMP%\cr_debug_log.txt
- %TEMP%\asacpiex.dll
- %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\cached-microdesc-consensus.tmp
- %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\cached-microdescs.new
Deletes the following files
- %TEMP%\aut445f.tmp
- %TEMP%\auta6ab.tmp
- %TEMP%\systemcheck.xml
- %TEMP%\32.exe
- %TEMP%\64.exe
- %TEMP%\cl_debug_log.txt
- %TEMP%\cr_debug_log.txt
- %TEMP%\asacpiex.dll
- %APPDATA%\microsoft\windows\tor.tmp
- %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\unverified-microdesc-consensus
Moves the following files
- from %APPDATA%\microsoft\windows\tor\tor.exe to %APPDATA%\microsoft\windows\tor\tor.exe
- from %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\state.tmp to %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\state
- from %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\unverified-microdesc-consensus.tmp to %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\unverified-microdesc-consensus
- from %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\cached-certs.tmp to %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\cached-certs
- from %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\cached-microdesc-consensus.tmp to %APPDATA%\microsoft\windows\tor\tordatasockslistenaddress 127.0.0.1\cached-microdesc-consensus
Network activity
TCP
- '2n#.co':443
- 'localhost':9303
- '16#.#72.139.104':443
- '19#.#7.28.82':9001
- '85.##.213.211':80
- '18#.#1.100.50':9001
- '51.#5.78.0':9001
- '49.##.115.210':443
- '21#.#7.229.2':9001
- '19#.#0.112.165':443
- '93.##5.97.242':9001
- '17#.#5.193.78':443
- '19#.#84.246.250':443
- '96.##3.78.108':443
- '97.##.237.196':9001
- '51.##4.96.208':9001
UDP
- DNS ASK 2n#.co
Miscellaneous
Creates and executes the following
- '%TEMP%\cl_debug_log.txt' e -p"JDQJndnqwdnqw2139dn21n3b312idDQDB" "%TEMP%\CR_Debug_Log.txt" -o"%TEMP%\"
- '%APPDATA%\microsoft\windows\helper.exe' -SystemCheck
- '%APPDATA%\microsoft\windows\helper.exe' -SystemCheck77664
- '%APPDATA%\microsoft\windows\helper.exe' e -p"DxSqsNKKOxqPrM4Y3xeK" "%APPDATA%\Microsoft\Windows\Tor.tmp" -o"%APPDATA%\Microsoft\Windows\Tor\"
- '%APPDATA%\microsoft\windows\tor\tor.exe' -f TorConfig
- '%TEMP%\cl_debug_log.txt' e -p"JDQJndnqwdnqw2139dn21n3b312idDQDB" "%TEMP%\CR_Debug_Log.txt" -o"%TEMP%\"' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c schtasks.exe /Create /XML "%TEMP%\SystemCheck.xml" /TN "System\SystemCheck"' (with hidden window)
- '%APPDATA%\microsoft\windows\helper.exe' -SystemCheck' (with hidden window)
- '%APPDATA%\microsoft\windows\helper.exe' e -p"DxSqsNKKOxqPrM4Y3xeK" "%APPDATA%\Microsoft\Windows\Tor.tmp" -o"%APPDATA%\Microsoft\Windows\Tor\"' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /c schtasks.exe /Create /XML "%TEMP%\SystemCheck.xml" /TN "System\SystemCheck"
- '%WINDIR%\syswow64\schtasks.exe' /Create /XML "%TEMP%\SystemCheck.xml" /TN "System\SystemCheck"
- '<SYSTEM32>\taskeng.exe' {7826BC74-633F-4972-99A9-505EC8FB2696} S-1-5-21-1960123792-2022915161-3775307078-1001:lnlgdptrmq\user:Interactive:[1]
