Technical Information
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion:
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' "Add-MpPreference -ExclusionPath 'C:\Users\Public\Proxy_Stuff\Silviozas Premium Proxy.exe'"
Modifies file system
Creates the following files
- <PATH_SAMPLE>.lnk
Modifies the HOSTS file.
Moves itself
- from <Full path to file> to C:\users\public\proxy_stuff\silviozas premium proxy.exe
Network activity
Connects to
- 'si###ozas.com':443
- 'ke##uth.win':443
TCP
Other
- 'si###ozas.com':443
- 'ke##uth.win':443
UDP
- DNS ASK gr###opia1.com
- DNS ASK gr###opia2.com
- DNS ASK si###ozas.com
- DNS ASK ke##uth.win
Miscellaneous
Executes the following
- '<SYSTEM32>\cmd.exe' /c certutil -hashfile "<Full path to file>" MD5 | find /i /v "md5" | find /i /v "certutil"
- '<SYSTEM32>\certutil.exe' -hashfile "<Full path to file>" MD5
- '<SYSTEM32>\find.exe' /i /v "md5"
- '<SYSTEM32>\find.exe' /i /v "certutil"
- '<SYSTEM32>\cmd.exe' /c color 0A
- '<SYSTEM32>\cmd.exe' /c powershell "Add-MpPreference -ExclusionPath 'C:\Users\Public\Proxy_Stuff\Silviozas Premium Proxy.exe'"
