Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kuiosob' = '%HOMEPATH%\kuiosob.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kuiosob' = '%HOMEPATH%\kuiosob.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kuiosob' = '%HOMEPATH%\kuiosob.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kuiosob' = '%HOMEPATH%\kuiosob.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kuiosob' = '%HOMEPATH%\kuiosob.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kuiosob' = '%HOMEPATH%\kuiosob.exe /v'
- [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\436467984] 'Name' = '"%TEMP%\3.tmp"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kuiosob' = '%HOMEPATH%\kuiosob.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kuiosob' = '%HOMEPATH%\kuiosob.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kuiosob' = '%HOMEPATH%\kuiosob.exe /W'
Creates the following files on removable media:
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Video.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\nLmu.ico
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\kuiosob.exe
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\kuiosobx.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%\cod3.exe
- %HOMEPATH%\kuiosob.exe
- %HOMEPATH%\cod2.exe
- %HOMEPATH%\BlegO3Kin9.exe
- %HOMEPATH%\cod1.exe
- "%TEMP%\xcofpoc.exe" (downloaded from the Internet)
- "%TEMP%\cwhm.exe" (downloaded from the Internet)
- "%TEMP%\rlquxaam.exe" (downloaded from the Internet)
- "%TEMP%\xkcqoui.exe" (downloaded from the Internet)
- "%TEMP%\uddkgim.exe" (downloaded from the Internet)
- "%TEMP%\750234914" (downloaded from the Internet)
- "%TEMP%\vpvpha.exe" (downloaded from the Internet)
- "%TEMP%\kbsjaqr.exe" (downloaded from the Internet)
- "%TEMP%\myccj.exe" (downloaded from the Internet)
- "%TEMP%\pyntens.exe" (downloaded from the Internet)
- "%TEMP%\ovuocy.exe" (downloaded from the Internet)
- "%TEMP%\qwsqky.exe" (downloaded from the Internet)
Executes the following:
- <SYSTEM32>\tasklist.exe
- <SYSTEM32>\svchost.exe
Injects code into
the following system processes:
- <SYSTEM32>\spoolsv.exe
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A10' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
Modifies file system :
Creates the following files:
- %TEMP%\rlquxaam.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\dhdhuy[1].php
- %TEMP%\xcofpoc.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\xtkkbspt[1].php
- %TEMP%\pyntens.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\qqqriimq[1].php
- %TEMP%\cwhm.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\sjwxkob[1].php
- %TEMP%\xkcqoui.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\qduhhl[1].php
- %TEMP%\Rlb..bat
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\hdqhyyz[1].php
- %TEMP%\750234914
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\erfjjje[1].php
- %TEMP%\uddkgim.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\ivzqmqd[1].php
- %TEMP%\ovuocy.exe
- %TEMP%\2.tmp
- %HOMEPATH%\kuiosob.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\arboobnkar[1].php
- %WINDIR%\Temp\4.tmp
- %HOMEPATH%\cod1.exe
- %HOMEPATH%\BlegO3Kin9.exe
- %HOMEPATH%\cod3.exe
- %HOMEPATH%\cod2.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\dnnrvriqm[1].php
- %TEMP%\vpvpha.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\oobbff[1].php
- %TEMP%\qwsqky.exe
- %TEMP%\myccj.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\flcppgggu[1].php
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\nnbrswmqa[1].php
- %TEMP%\kbsjaqr.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\kuiosob.exe
- <Drive name for removable media>:\kuiosobx.exe
- <Drive name for removable media>:\nLmu.ico
- %HOMEPATH%\kuiosob.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- %HOMEPATH%\BlegO3Kin9.exe
- %HOMEPATH%\cod2.exe
- <SYSTEM32>\svchost.exe
- %WINDIR%\Temp\4.tmp
- %HOMEPATH%\cod3.exe
- %TEMP%\3.tmp
- <DRIVERS>\etc\hosts
Network activity:
Connects to:
- 'ch###tring.in':80
- 'aa###ket.com':80
TCP:
HTTP GET requests:
- aa###ket.com/ckkuylpycc/erfjjje.php?ad################################
- aa###ket.com/ckkuylpycc/xtkkbspt.php?ad################################
- aa###ket.com/ckkuylpycc/dhdhuy.php?ad################################
- aa###ket.com/ckkuylpycc/hdqhyyz.php?ad##############################################################
- aa###ket.com/ckkuylpycc/qduhhl.php?ad################################
- aa###ket.com/ckkuylpycc/ivzqmqd.php?ad################################
- aa###ket.com/ckkuylpycc/sjwxkob.php?ad################################
- aa###ket.com/ckkuylpycc/nnbrswmqa.php?ad################################
- aa###ket.com/ckkuylpycc/flcppgggu.php?ad################################
- aa###ket.com/ckkuylpycc/arboobnkar.php?ad################################
- aa###ket.com/ckkuylpycc/qqqriimq.php?ad################################
- aa###ket.com/ckkuylpycc/oobbff.php?ad################################
- aa###ket.com/ckkuylpycc/dnnrvriqm.php?ad################################
HTTP POST requests:
- ch###tring.in/ads76tds76d76.php?in##############################################################################################################
UDP:
- DNS ASK go##le.ae
- DNS ASK ch###tring.in
- DNS ASK aa###ket.com
- DNS ASK ik##.com
- DNS ASK si###ell.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
