Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'paasar' = '%HOMEPATH%\paasar.exe /k'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\svchost.exe
Creates the following files on removable media:
- <Drive name for removable media>:\RCX8.tmp
- <Drive name for removable media>:\Bloc-notes.exe
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\RCX7.tmp
- <Drive name for removable media>:\paasar_backup.exe
- <Drive name for removable media>:\RCX11.tmp
- <Drive name for removable media>:\RCX14.tmp
- <Drive name for removable media>:\RCXB.tmp
- <Drive name for removable media>:\RCXE.tmp
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\paasar.exe
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX4.tmp
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- '%HOMEPATH%\paasar.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\meaip.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\vpxkylg7.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD.tmp" "%TEMP%\vbcC.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES10.tmp" "%TEMP%\vbcF.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES13.tmp" "%TEMP%\vbc12.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\arcclj9q.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\q-unz_tf.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\mol1_ezb.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\zb9uckws.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA.tmp" "%TEMP%\vbc9.tmp"
Modifies file system :
Creates the following files:
- %TEMP%\RESD.tmp
- %TEMP%\vbcC.tmp
- %TEMP%\i.resources
- %TEMP%\vpxkylg7.0.vb
- %TEMP%\CWFSgoZ.resources
- %TEMP%\WuDuxQ.resources
- %TEMP%\wNsWlyy.resources
- %TEMP%\zb9uckws.0.vb
- %TEMP%\zb9uckws.out
- %TEMP%\zb9uckws.cmdline
- %TEMP%\vpxkylg7.cmdline
- %TEMP%\arcclj9q.cmdline
- %TEMP%\arcclj9q.0.vb
- %TEMP%\arcclj9q.out
- %TEMP%\RES13.tmp
- %TEMP%\vbc12.tmp
- %TEMP%\vbcF.tmp
- %TEMP%\vpxkylg7.out
- %TEMP%\RES10.tmp
- %TEMP%\PcxnkDG.resources
- %TEMP%\C.resources
- %TEMP%\q-unz_tf.cmdline
- %TEMP%\q-unz_tf.0.vb
- %TEMP%\q-unz_tf.out
- %TEMP%\RES2.tmp
- %TEMP%\vbc1.tmp
- %TEMP%\svchost.exe
- %TEMP%\eQV.resources
- %TEMP%\meaip.exe
- %TEMP%\MSNPSharp.dll
- %TEMP%\RE41887Re.resources
- %TEMP%\q-unz_tf.exe
- %TEMP%\mol1_ezb.out
- %TEMP%\mol1_ezb.cmdline
- %TEMP%\vbc9.tmp
- %TEMP%\windowsupdate.ico
- %TEMP%\RESA.tmp
- %TEMP%\QQ.resources
- %HOMEPATH%\paasar.exe
- %TEMP%\jUEZx.resources
- %TEMP%\mol1_ezb.0.vb
- %TEMP%\whatdafock.txt
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\paasar.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\paasar.exe
Deletes the following files:
- %TEMP%\RES10.tmp
- %TEMP%\WuDuxQ.resources
- %TEMP%\vbcF.tmp
- %TEMP%\vpxkylg7.out
- %TEMP%\vpxkylg7.0.vb
- %TEMP%\zb9uckws.cmdline
- %TEMP%\vbcC.tmp
- %TEMP%\zb9uckws.0.vb
- %TEMP%\wNsWlyy.resources
- %TEMP%\zb9uckws.out
- %TEMP%\arcclj9q.0.vb
- %TEMP%\arcclj9q.out
- %TEMP%\arcclj9q.cmdline
- %TEMP%\PcxnkDG.resources
- %TEMP%\C.resources
- %TEMP%\i.resources
- %TEMP%\vpxkylg7.cmdline
- %TEMP%\CWFSgoZ.resources
- %TEMP%\vbc12.tmp
- %TEMP%\RES13.tmp
- <Drive name for removable media>:\Sexy.exe
- %TEMP%\q-unz_tf.exe
- <Drive name for removable media>:\Porn.exe
- %TEMP%\RESA.tmp
- <Drive name for removable media>:\Passwords.exe
- %TEMP%\vbc1.tmp
- %TEMP%\RES2.tmp
- %TEMP%\q-unz_tf.cmdline
- %TEMP%\q-unz_tf.out
- %TEMP%\q-unz_tf.0.vb
- <Drive name for removable media>:\paasar_backup.exe
- %TEMP%\jUEZx.resources
- %TEMP%\windowsupdate.ico
- %TEMP%\RESD.tmp
- <Drive name for removable media>:\paasar.exe
- %TEMP%\mol1_ezb.cmdline
- %TEMP%\vbc9.tmp
- %TEMP%\mol1_ezb.out
- %TEMP%\QQ.resources
- %TEMP%\mol1_ezb.0.vb
Network activity:
Connects to:
- 'ns#.##ayer1352.com':8000
- '17#.#3.169.14':80
UDP:
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'