Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaeseo' = '%HOMEPATH%\gaeseo.exe /d'
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>:\RCXE.tmp
- <Drive name for removable media>:\RCX11.tmp
- <Drive name for removable media>:\gaeseo_backup.exe
- <Drive name for removable media>:\RCXB.tmp
- <Drive name for removable media>:\Passwords.exe
- <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>:\gaeseo.exe
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\Porn.exe
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%\gaeseo.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\muumui.exe'
Executes the following:
- '%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\vbc.exe' /noconfig @"%TEMP%\jer7n1us.cmdline"
- '%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\vbc.exe' /noconfig @"%TEMP%\2rrv-czl.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%\myj68onn.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA.tmp" "%TEMP%\vbc9.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\d-srtjjy.cmdline"
Modifies file system :
Creates the following files:
- %TEMP%\jer7n1us.0.vb
- %TEMP%\fHLa.resources
- %TEMP%\jer7n1us.out
- %TEMP%\jer7n1us.cmdline
- %TEMP%\RESA.tmp
- %TEMP%\vbc9.tmp
- %TEMP%\dpWuijDe.resources
- %TEMP%\windowsupdate.ico
- %TEMP%\vbcC.tmp
- %TEMP%\2rrv-czl.out
- %TEMP%\2rrv-czl.cmdline
- %TEMP%\RES10.tmp
- %TEMP%\vbcF.tmp
- %TEMP%\Hzhd.resources
- %TEMP%\RESD.tmp
- %TEMP%\2rrv-czl.0.vb
- %TEMP%\M.resources
- %TEMP%\d-srtjjy.out
- %TEMP%\myj68onn.0.vb
- %TEMP%\MSNPSharp.dll
- %TEMP%\myj68onn.out
- %TEMP%\myj68onn.cmdline
- %TEMP%\muumui.exe
- %TEMP%\hE.resources
- %TEMP%\C07p741X.resources
- %TEMP%\svchost.exe
- %HOMEPATH%\gaeseo.exe
- %TEMP%\whatdafock.txt
- %TEMP%\VawDk.resources
- %TEMP%\d-srtjjy.cmdline
- %TEMP%\d-srtjjy.0.vb
- %TEMP%\RES2.tmp
- %TEMP%\vbc1.tmp
- %TEMP%\zlpeypnA.resources
- %TEMP%\myj68onn.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\gaeseo.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\gaeseo.exe
Deletes the following files:
- %TEMP%\jer7n1us.0.vb
- %TEMP%\jer7n1us.cmdline
- %TEMP%\dpWuijDe.resources
- %TEMP%\jer7n1us.out
- <Drive name for removable media>:\gaeseo.exe
- %TEMP%\windowsupdate.ico
- %TEMP%\vbcC.tmp
- %TEMP%\RESD.tmp
- %TEMP%\2rrv-czl.0.vb
- %TEMP%\2rrv-czl.cmdline
- %TEMP%\M.resources
- %TEMP%\Hzhd.resources
- %TEMP%\RES10.tmp
- %TEMP%\fHLa.resources
- %TEMP%\2rrv-czl.out
- %TEMP%\vbcF.tmp
- <Drive name for removable media>:\gaeseo_backup.exe
- %TEMP%\myj68onn.out
- %TEMP%\myj68onn.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Sexy.exe
- %TEMP%\vbc1.tmp
- %TEMP%\RES2.tmp
- %TEMP%\myj68onn.0.vb
- %TEMP%\myj68onn.cmdline
- %TEMP%\d-srtjjy.out
- %TEMP%\d-srtjjy.0.vb
- %TEMP%\VawDk.resources
- %TEMP%\zlpeypnA.resources
- %TEMP%\RESA.tmp
- <Drive name for removable media>:\Passwords.exe
- %TEMP%\d-srtjjy.cmdline
- %TEMP%\vbc9.tmp
Network activity:
Connects to:
- 'ns#.###pstickers.com':8000
- '17#.#3.169.14':80
UDP:
- DNS ASK ns#.###pstickers.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
