Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\software\Microsoft\Windows\CurrentVersion\Run] '263aa8c95eb91deeea35e0729495c9be' = '"%HOMEPATH%\svchost.exe" ..'
- [<HKLM>\software\Microsoft\Windows\CurrentVersion\Run] '263aa8c95eb91deeea35e0729495c9be' = '"%HOMEPATH%\svchost.exe" ..'
Creates or modifies the following files
- %HOMEPATH%\start menu\programs\startup\filename.exe
- %HOMEPATH%\start menu\programs\startup\263aa8c95eb91deeea35e0729495c9be.exe
Creates the following files on removable media
- <Drive name for removable media>:\263aa8c95eb91deeea35e0729495c9be.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions
To bypass firewall, removes or modifies the following registry keys
- [<HKLM>\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\svchost.exe' = '%HOMEPATH%\svchost.exe:*:Enabled:svchos...
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Executes the following
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\svchost.exe" "svchost.exe" ENABLE
Injects code into
the following user processes:
- svchost.exe
Modifies file system
Creates the following files
- <LS_APPDATA>\ilrhl.reg
- <LS_APPDATA>\bdxtg.vbs
- <LS_APPDATA>\jvbyjjcw.vbs
- <LS_APPDATA>\filename.exe
- <LS_APPDATA>\temo.reg
- %HOMEPATH%\svchost.exe
Sets the 'hidden' attribute to the following files
- <Full path to file>
- %HOMEPATH%\start menu\programs\startup\filename.exe
- <LS_APPDATA>\filename.exe
- %HOMEPATH%\svchost.exe
- <Drive name for removable media>:\263aa8c95eb91deeea35e0729495c9be.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\start menu\programs\startup\263aa8c95eb91deeea35e0729495c9be.exe
Deletes the following files
- <LS_APPDATA>\bdxtg.vbs
- <LS_APPDATA>\jvbyjjcw.vbs
Substitutes the following files
- <LS_APPDATA>\bdxtg.vbs
- <LS_APPDATA>\jvbyjjcw.vbs
Network activity
Connects to
- 'localhost':5552
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\wscript.exe' "<LS_APPDATA>\bdxtg.vbs"
- '<SYSTEM32>\wscript.exe' "<LS_APPDATA>\jvbyjjcw.vbs"
- '%HOMEPATH%\svchost.exe'
- '<SYSTEM32>\reg.exe' import <LS_APPDATA>\ilrhl.reg' (with hidden window)
- '<SYSTEM32>\reg.exe' import <LS_APPDATA>\temo.reg' (with hidden window)
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\svchost.exe" "svchost.exe" ENABLE' (with hidden window)
Executes the following
- '<SYSTEM32>\reg.exe' import <LS_APPDATA>\ilrhl.reg
- '<SYSTEM32>\reg.exe' import <LS_APPDATA>\temo.reg
- '<SYSTEM32>\wscript.exe' "<LS_APPDATA>\bdxtg.vbs"
- '<SYSTEM32>\wscript.exe' "<LS_APPDATA>\jvbyjjcw.vbs"