Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pctstray.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ashdisp.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pctsgui.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVGNT.EXE] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVP.EXE] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'load' = '%TEMP%\svchost.com'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\fdisk.com'
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'run' = '%TEMP%\svchost.com'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\HijackThis.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\resmon.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\VPTRAY.EXE] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'User Agent' = '%TEMP%\svchost.com'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe <SYSTEM32>\fdisk.com'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'User Agent' = '<SYSTEM32>\fdisk.com'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HotKey' = '%HOMEPATH%\Templates\cache\SFCsrvc.pif'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HotKey' = '%HOMEPATH%\Templates\cache\SFCsrvc.pif'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\USBGUARD.EXE] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmc.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
- [<HKCU>\Software\Microsoft\Command Processor] 'AutoRun' = '"%WINDIR%\Help\cliconf.chm"'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\sndvol32.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\sndvol32.exe
Creates the following files on removable media:
- <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
- <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\crump.dat
- <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Thumbs.db
- <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
Creates and executes the following:
- '%CommonProgramFiles%\System\cftmon.exe' stay_alive -r
- '%TEMP%\svchost.com' keep_fucking
- '%TEMP%\svchost.com'
- '%CommonProgramFiles%\System\cftmon.exe' stay_alive -in
Executes the following:
- '<SYSTEM32>\net1.exe' user /add Network_Service
- '<SYSTEM32>\net1.exe' user Network_Service 1016760
- '<SYSTEM32>\net1.exe' localgroup %USERNAME%s Network_Service /add
- '<SYSTEM32>\net1.exe' user guest guest
- '<SYSTEM32>\net1.exe' share SYS_c=c:\
- '<SYSTEM32>\net1.exe' share SYS_e=e:\
- '<SYSTEM32>\net1.exe' share SYS_z=z:\
Terminates or attempts to terminate
the following user processes:
- AVP.EXE
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NofolderOptions' = '00000001'
Modifies file system :
Creates the following files:
- %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
- %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
- C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\cartman[1].php
- %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
- %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\crump.dat
- %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
- C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
- %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\crump.dat
- C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\crump.dat
- C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
- %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
- %HOMEPATH%\Templates\cache\desktop.ini
- %HOMEPATH%\Templates\cache\SFCsrvc.pif
- %TEMP%\svchost.com
- %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
- C:\autorun.inf
- C:\Thumbs.db
- %CommonProgramFiles%\System\cftmon.exe
- <SYSTEM32>\fdisk.com
- %WINDIR%\Help\cliconf.chm
Sets the 'hidden' attribute to the following files:
- C:\Thumbs.db
- C:\autorun.inf
- <Drive name for removable media>:\autorun.inf
- %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\crump.dat
- <Drive name for removable media>:\Thumbs.db
- %HOMEPATH%\Templates\cache\SFCsrvc.pif
- %TEMP%\svchost.com
- <SYSTEM32>\fdisk.com
- %HOMEPATH%\Start Menu\Programs\Startup\sndvol32.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\sndvol32.exe
Network activity:
Connects to:
- 'ne#####m.isa-geek.org':80
- 'ht###.ath.cx':80
- 'i4#.#inypic.com':80
TCP:
HTTP GET requests:
- ht###.ath.cx/cartman.php
- i4#.#inypic.com/got07s.jpg
UDP:
- DNS ASK ht###.ath.cx
- DNS ASK ne#####m.isa-geek.org
- DNS ASK pr###.just.edu.jo
- DNS ASK i4#.#inypic.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
