Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Prsrsjnczwalbrhl.exe' = '"%APPDATA%\Roaming\Prsrsjnczwalbrhl.exe"'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\snkb0pt\snkb0pt.exe
- <Drive name for removable media>:\snkb0pt\Desktop.ini
Malicious functions:
Executes the following:
- '<SYSTEM32>\conhost.exe'
Modifies file system :
Creates the following files:
- C:\ProgramData\Microsoft\Windows\WER\ReportQueue\NonCritical_80070422_76a4385aa7fdcd3dc476f7ea51e8ea5565f02fd_01f45206\Report.wer
- %WINDIR%\Temp\MPTelemetrySubmit\watson_manifest.txt
- %WINDIR%\Temp\MPTelemetrySubmit\client_manifest.txt
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\snkb0pt\snkb0pt.exe
Deletes the following files:
- %WINDIR%\Temp\MPTelemetrySubmit\client_manifest.txt
- %WINDIR%\Temp\MPTelemetrySubmit\watson_manifest.txt
Moves itself:
- from <Full path to virus> to %APPDATA%\Roaming\Prsrsjnczwalbrhl.exe
Network activity:
Connects to:
- 'gi###phere.su':9000
- 'xi##h.net':9000
- 'ph###beat.su':9000
- 'ur###s.kei.su':9000
- '20#.#6.232.182':80
- 'o.###lyradio.su':9000
- 's.###hlab.pl':9000
- 'f.###tmoon.pl':9000
- 'gi##sbh.org':9000
- 'h.###nnews.su':9000
- 'xi##h.com':9000
TCP:
HTTP GET requests:
- 20#.#6.232.182/fwlink/?Li######################################################################################################
UDP:
- DNS ASK ph###beat.su
- DNS ASK gi###phere.su
- DNS ASK xi##h.net
- DNS ASK ur###s.kei.su
- DNS ASK go.###rosoft.com
- DNS ASK wa####.microsoft.com
- DNS ASK o.###lyradio.su
- DNS ASK s.###hlab.pl
- DNS ASK dn#.##ftncsi.com
- DNS ASK f.###tmoon.pl
- DNS ASK gi##sbh.org
- DNS ASK h.###nnews.su
- DNS ASK xi##h.com
- '22#.0.0.252':5355