Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Wcsvfghrwhfr' = '%APPDATA%\MICROS~1\Windows\STARTM~1\Programs\TELEGR~1\1k\DISPLA~1.EXE'
Creates or modifies the following files
- <SYSTEM32>\tasks\nrytgw
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\uqxqwdsom.lnk
Malicious functions
Executes the following
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\msra.exe
- <SYSTEM32>\displayswitch.exe
- <SYSTEM32>\systempropertieshardware.exe
the following user processes:
- firefox.exe
- iexplore.exe
Modifies file system
Creates the following files
- %LOCALAPPDATA%\jtzk\secur32.dll
- %LOCALAPPDATA%\jtzk\msra.exe
- %APPDATA%\microsoft\windows\network shortcuts\9jbjthr\secur32.dll
- %APPDATA%\microsoft\windows\network shortcuts\9jbjthr\msra.exe
- %LOCALAPPDATA%\m1xl7\slc.dll
- %LOCALAPPDATA%\m1xl7\displayswitch.exe
- %APPDATA%\microsoft\windows\start menu\programs\telegram desktop\1k\slc.dll
- %APPDATA%\microsoft\windows\start menu\programs\telegram desktop\1k\displayswitch.exe
- %LOCALAPPDATA%\ffxctu4eg\sysdm.cpl
- %LOCALAPPDATA%\ffxctu4eg\systempropertieshardware.exe
- %APPDATA%\icqm\icq\html\uz\loading\uz\sysdm.cpl
- %APPDATA%\icqm\icq\html\uz\loading\uz\systempropertieshardware.exe
Deletes the following files
- %LOCALAPPDATA%\jtzk\msra.exe
- %LOCALAPPDATA%\jtzk\secur32.dll
- %LOCALAPPDATA%\m1xl7\displayswitch.exe
- %LOCALAPPDATA%\m1xl7\slc.dll
- %LOCALAPPDATA%\ffxctu4eg\sysdm.cpl
- %LOCALAPPDATA%\ffxctu4eg\systempropertieshardware.exe
Substitutes the following files
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-1960123792-2022915161-3775307078-1001\f58155b4b1d5a524ca0261c3ee99fb50_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
Miscellaneous
Creates and executes the following
- '%LOCALAPPDATA%\jtzk\msra.exe'
- '%LOCALAPPDATA%\m1xl7\displayswitch.exe'
- '%LOCALAPPDATA%\ffxctu4eg\systempropertieshardware.exe'
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any' (with hidden window)
