Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Gusrqadsru' = '%APPDATA%\Winamp\Plugins\ml\zveVApJjZqA\rdpshell.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\johzyecoehqiu
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\pfqbuaximdorgo.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>\ehstorauthn.exe
- <SYSTEM32>\rdpshell.exe
- <SYSTEM32>\dxpserver.exe
the following user processes:
- firefox.exe
- iexplore.exe
Reads files which store third party applications passwords
- %HOMEPATH%\desktop\210252809.jpg
- %HOMEPATH%\desktop\210252809.jpeg
- %HOMEPATH%\desktop\dashborder_192.bmp
Modifies file system
Creates the following files
- %LOCALAPPDATA%\g54dw4\uxtheme.dll
- %LOCALAPPDATA%\g54dw4\ehstorauthn.exe
- %APPDATA%\icqm\icq\graphics\phone\nyxw\uxtheme.dll
- %APPDATA%\icqm\icq\graphics\phone\nyxw\ehstorauthn.exe
- %LOCALAPPDATA%\yoi\wtsapi32.dll
- %LOCALAPPDATA%\yoi\rdpshell.exe
- %APPDATA%\winamp\plugins\ml\zvevapjjzqa\wtsapi32.dll
- %APPDATA%\winamp\plugins\ml\zvevapjjzqa\rdpshell.exe
- %LOCALAPPDATA%\gwds\dwmapi.dll
- %LOCALAPPDATA%\gwds\dxpserver.exe
- %APPDATA%\mail.ru\tpizschjt\dwmapi.dll
- %APPDATA%\mail.ru\tpizschjt\dxpserver.exe
Deletes the following files
- %LOCALAPPDATA%\g54dw4\ehstorauthn.exe
- %LOCALAPPDATA%\g54dw4\uxtheme.dll
- %LOCALAPPDATA%\yoi\rdpshell.exe
- %LOCALAPPDATA%\yoi\wtsapi32.dll
- %LOCALAPPDATA%\gwds\dwmapi.dll
- %LOCALAPPDATA%\gwds\dxpserver.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%\g54dw4\ehstorauthn.exe'
- '%LOCALAPPDATA%\yoi\rdpshell.exe'
- '%LOCALAPPDATA%\gwds\dxpserver.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)
