Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\zjvs3oo3abzl.exe
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\syswow64\cmd.exe
Patches code
in dll
- zjvs3oo3abzl.exe process, KERNEL32.dll module
- zjvs3oo3abzl.exe process, SHELL32.dll module
- cmd.exe process, KERNEL32.dll module
- cmd.exe process, SHELL32.dll module
in NTDLL dll
- zjvs3oo3abzl.exe process, ntdll.dll module
- cmd.exe process, ntdll.dll module
Network activity
UDP
- DNS ASK mo#####.map.fastly.net
Miscellaneous
Creates and executes the following
- '%APPDATA%\microsoft\windows\start menu\programs\startup\zjvs3oo3abzl.exe' "<Full path to file>"
Restarts the analyzed sample
Executes the following
- '%WINDIR%\syswow64\cmd.exe'
- '<Full path to file>' ' (with hidden window)
- '%APPDATA%\microsoft\windows\start menu\programs\startup\zjvs3oo3abzl.exe' "<Full path to file>"' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' ' (with hidden window)
