Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Infinity Update Service' = '%LOCALAPPDATA%\InfinityUpdateService\Infinity.exe'
Malicious functions
Executes the following
- '<SYSTEM32>\taskkill.exe' /F /PID 3000
- '<SYSTEM32>\taskkill.exe' /F /PID 3176
- '<SYSTEM32>\taskkill.exe' /F /PID 3440
- '<SYSTEM32>\taskkill.exe' /F /PID 3664
- '<SYSTEM32>\taskkill.exe' /F /PID 3184
Terminates or attempts to terminate
the following user processes:
- firefox.exe
Modifies file system
Creates the following files
- %TEMP%\_mei46922\vcruntime140.dll
- %TEMP%\_mei46922\_asyncio.pyd
- %TEMP%\_mei46922\_bz2.pyd
- %TEMP%\_mei46922\_cffi_backend.cp311-win_amd64.pyd
- %TEMP%\_mei46922\_ctypes.pyd
- %TEMP%\_mei46922\_decimal.pyd
- %TEMP%\_mei46922\_hashlib.pyd
- %TEMP%\_mei46922\_lzma.pyd
- %TEMP%\_mei46922\_multiprocessing.pyd
- %TEMP%\_mei46922\_overlapped.pyd
- %TEMP%\_mei46922\_queue.pyd
- %TEMP%\_mei46922\_socket.pyd
- %TEMP%\_mei46922\_sqlite3.pyd
- %TEMP%\_mei46922\_ssl.pyd
- %TEMP%\_mei46922\_uuid.pyd
- %TEMP%\_mei46922\aiohttp\_http_parser.cp311-win_amd64.pyd
- %TEMP%\_mei46922\aiohttp\_http_writer.cp311-win_amd64.pyd
- %TEMP%\_mei46922\aiohttp\_websocket\mask.cp311-win_amd64.pyd
- %TEMP%\_mei46922\aiohttp\_websocket\reader_c.cp311-win_amd64.pyd
- %TEMP%\_mei46922\attrs-25.3.0.dist-info\installer
- %TEMP%\_mei46922\attrs-25.3.0.dist-info\metadata
- %TEMP%\_mei46922\attrs-25.3.0.dist-info\record
- %TEMP%\_mei46922\attrs-25.3.0.dist-info\wheel
- %TEMP%\_mei46922\attrs-25.3.0.dist-info\licenses\license
- %TEMP%\_mei46922\base_library.zip
- %TEMP%\_mei46922\cryptography-46.0.2.dist-info\installer
- %TEMP%\_mei46922\cryptography-46.0.2.dist-info\metadata
- %TEMP%\_mei46922\cryptography-46.0.2.dist-info\record
- %TEMP%\_mei46922\cryptography-46.0.2.dist-info\wheel
- %TEMP%\_mei46922\cryptography-46.0.2.dist-info\licenses\license
- %TEMP%\_mei46922\cryptography-46.0.2.dist-info\licenses\license.apache
- %TEMP%\_mei46922\cryptography-46.0.2.dist-info\licenses\license.bsd
- %TEMP%\_mei46922\cryptography\hazmat\bindings\_rust.pyd
- %TEMP%\_mei46922\frozenlist\_frozenlist.cp311-win_amd64.pyd
- %TEMP%\_mei46922\libcrypto-1_1.dll
- %TEMP%\_mei46922\libffi-8.dll
- %TEMP%\_mei46922\libssl-1_1.dll
- %TEMP%\_mei46922\multidict\_multidict.cp311-win_amd64.pyd
- %TEMP%\_mei46922\propcache\_helpers_c.cp311-win_amd64.pyd
- %TEMP%\_mei46922\pyexpat.pyd
- %TEMP%\_mei46922\python3.dll
- %TEMP%\_mei46922\python311.dll
- %TEMP%\_mei46922\select.pyd
- %TEMP%\_mei46922\sqlite3.dll
- %TEMP%\_mei46922\unicodedata.pyd
- %TEMP%\_mei46922\yarl\_quoting_c.cp311-win_amd64.pyd
- %TEMP%\0fgnznmm
- %LOCALAPPDATA%\infinityupdateservice\infinity.exe
- %TEMP%\historydata.db
- %TEMP%\downloaddata.db
- %TEMP%\autofilldata.db
Sets the 'hidden' attribute to the following files
- %LOCALAPPDATA%\infinityupdateservice\infinity.exe
Modifies the following files
- %APPDATA%\mozilla\firefox\profiles\dnyauhh1.default-release\places.sqlite
Network activity
Connects to
- 'localhost':49691
- 'localhost':49693
- 'localhost':49695
- 'localhost':49697
- 'localhost':49699
- 'ip##pi.com':80
TCP
HTTP GET requests
- http://ip##pi.com/json
Other
- 'localhost':49699
UDP
- DNS ASK ip##pi.com
Miscellaneous
Searches for the following windows
- ClassName: '' WindowName: ''
Restarts the analyzed sample
Executes the following
- '<SYSTEM32>\cmd.exe' /c "ver"
- '<SYSTEM32>\cmd.exe' /c "wmic path win32_VideoController get name"
- '<SYSTEM32>\cmd.exe' /c "wmic computersystem get Manufacturer"
- '<SYSTEM32>\cmd.exe' /c "gdb --version"
- '<SYSTEM32>\cmd.exe' /c "tasklist"
- '<SYSTEM32>\wbem\wmic.exe' computersystem get Manufacturer
- '<SYSTEM32>\wbem\wmic.exe' path win32_VideoController get name
- '<SYSTEM32>\tasklist.exe'
- '<SYSTEM32>\cmd.exe' /c "wmic path Win32_ComputerSystem get Manufacturer"
- '<SYSTEM32>\wbem\wmic.exe' path Win32_ComputerSystem get Manufacturer
- '<SYSTEM32>\cmd.exe' /c "wmic csproduct get uuid"
- '<SYSTEM32>\wbem\wmic.exe' csproduct get uuid
- '<SYSTEM32>\cmd.exe' /c "attrib +h +s "%LOCALAPPDATA%\InfinityUpdateService\Infinity.exe""
- '<SYSTEM32>\attrib.exe' +h +s "%LOCALAPPDATA%\InfinityUpdateService\Infinity.exe"
- '<SYSTEM32>\cmd.exe' /c "reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Infinity Update Service" /t REG_SZ /d "%LOCALAPPDATA%\InfinityUpdateService\Infinity.exe" /f"
- '<SYSTEM32>\reg.exe' add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Infinity Update Service" /t REG_SZ /d "%LOCALAPPDATA%\InfinityUpdateService\Infinity.exe" /f
- '<SYSTEM32>\cmd.exe' /c "taskkill /F /PID 3000"
- '<SYSTEM32>\cmd.exe' /c "taskkill /F /PID 3176"
- '<SYSTEM32>\cmd.exe' /c "taskkill /F /PID 3440"
- '<SYSTEM32>\cmd.exe' /c "taskkill /F /PID 3664"
- '<SYSTEM32>\cmd.exe' /c "taskkill /F /PID 3184"
- '<SYSTEM32>\cmd.exe' /c "cmd.exe /c chcp"
- '<SYSTEM32>\cmd.exe' /c "tasklist /FO LIST"
- '<SYSTEM32>\cmd.exe' /c "powershell.exe Get-Clipboard"
- '<SYSTEM32>\cmd.exe' /c chcp
- '<SYSTEM32>\tasklist.exe' /FO LIST
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Get-Clipboard
- '<SYSTEM32>\chcp.com'
- '<SYSTEM32>\cmd.exe' /c "netsh wlan show profiles"
- '<SYSTEM32>\cmd.exe' /c "echo ####System Info#### & systeminfo & echo ####System Version#### & ver & echo ####Host Name#### & hostname & echo ####Environment Variable#### & set & echo ####Logical Disk#### & wmic lo...
- '<SYSTEM32>\netsh.exe' wlan show profiles
- '<SYSTEM32>\systeminfo.exe'
- '<SYSTEM32>\hostname.exe'
- '<SYSTEM32>\wbem\wmic.exe' logicaldisk get caption,description,providername
- '<SYSTEM32>\net.exe' user
- '<SYSTEM32>\net1.exe' user
- '<SYSTEM32>\query.exe' user
- '<SYSTEM32>\quser.exe'
- '<SYSTEM32>\net.exe' localgroup
- '<SYSTEM32>\net1.exe' localgroup
- '<SYSTEM32>\net.exe' localgroup administrators
- '<SYSTEM32>\net1.exe' localgroup administrators
- '<SYSTEM32>\net.exe' user guest
- '<SYSTEM32>\net1.exe' user guest
- '<SYSTEM32>\net.exe' user administrator
- '<SYSTEM32>\net1.exe' user administrator
- '<SYSTEM32>\wbem\wmic.exe' startup get caption,command
- '<SYSTEM32>\tasklist.exe' /svc
- '<SYSTEM32>\ipconfig.exe' /all
- '<SYSTEM32>\route.exe' print
- '<SYSTEM32>\arp.exe' -a
- '<SYSTEM32>\netstat.exe' -ano
- '<SYSTEM32>\sc.exe' query type= service state= all
- '<SYSTEM32>\netsh.exe' firewall show state
- '<SYSTEM32>\netsh.exe' firewall show config
- '<SYSTEM32>\cmd.exe' /c "ver"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "wmic path win32_VideoController get name"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "wmic computersystem get Manufacturer"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "gdb --version"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "tasklist"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "wmic path Win32_ComputerSystem get Manufacturer"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "wmic csproduct get uuid"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "attrib +h +s "%LOCALAPPDATA%\InfinityUpdateService\Infinity.exe""' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Infinity Update Service" /t REG_SZ /d "%LOCALAPPDATA%\InfinityUpdateService\Infinity.exe" /f"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "taskkill /F /PID 3000"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "taskkill /F /PID 3176"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "taskkill /F /PID 3440"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "taskkill /F /PID 3664"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "taskkill /F /PID 3184"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "cmd.exe /c chcp"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "tasklist /FO LIST"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "powershell.exe Get-Clipboard"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "netsh wlan show profiles"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "echo ####System Info#### & systeminfo & echo ####System Version#### & ver & echo ####Host Name#### & hostname & echo ####Environment Variable#### & set & echo ####Logical Disk#### & wmic lo...' (with hidden window)
