Trojan.DownLoader46.48609

Technical Information

Malicious functions

Executes the following

'<SYSTEM32>\taskkill.exe' /f /im HTTPDebuggerUI.exe
'<SYSTEM32>\taskkill.exe' /f /im HTTPDebuggerSvc.exe
'<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq cheatengine*" /IM * /F /T
'<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq httpdebugger*" /IM * /F /T
'<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq processhacker*" /IM * /F /T
'<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq fiddler*" /IM * /F /T
'<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq wireshark*" /IM * /F /T
'<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq rawshark*" /IM * /F /T
'<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq charles*" /IM * /F /T
'<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq ida*" /IM * /F /T

Searches for windows to

detect analytical utilities:

ClassName: 'FilemonClass', WindowName: ''
ClassName: 'PROCMON_WINDOW_CLASS', WindowName: ''
ClassName: 'RegmonClass', WindowName: ''

Modifies file system

Creates the following files

nul
%WINDIR%\temp\tarebd0.tmp
%WINDIR%\temp\cabebcf.tmp
%WINDIR%\temp\tard6e7.tmp
%WINDIR%\temp\cabd6e6.tmp
%WINDIR%\temp\tard6b6.tmp
%WINDIR%\temp\cabd6b5.tmp
%WINDIR%\temp\tarc19f.tmp
%WINDIR%\temp\cabc19e.tmp
%WINDIR%\temp\tarc14f.tmp
%WINDIR%\temp\cabc14e.tmp
%WINDIR%\temp\tarac66.tmp
%WINDIR%\temp\cabac65.tmp
%WINDIR%\temp\tarac45.tmp
%WINDIR%\temp\cab2bfc.tmp
%WINDIR%\temp\cabac44.tmp
%WINDIR%\temp\cab974b.tmp
%WINDIR%\temp\tar971c.tmp
%WINDIR%\temp\cab971b.tmp
%WINDIR%\temp\tar96eb.tmp
%WINDIR%\temp\cab96ea.tmp
%WINDIR%\temp\tar96ba.tmp
%WINDIR%\temp\cab96b9.tmp
%WINDIR%\temp\tar81b2.tmp
%WINDIR%\temp\cab81b1.tmp
%WINDIR%\temp\tar8181.tmp
%WINDIR%\temp\cab8180.tmp
%WINDIR%\temp\tar6c0c.tmp
%WINDIR%\temp\cab6c0b.tmp
%WINDIR%\temp\tar974c.tmp
%WINDIR%\temp\tar2bfd.tmp

Deletes the following files

%WINDIR%\temp\cab6c0b.tmp
%WINDIR%\temp\tarebd0.tmp
%WINDIR%\temp\cabebcf.tmp
%WINDIR%\temp\tard6e7.tmp
%WINDIR%\temp\cabd6e6.tmp
%WINDIR%\temp\tard6b6.tmp
%WINDIR%\temp\cabd6b5.tmp
%WINDIR%\temp\tarc19f.tmp
%WINDIR%\temp\cabc19e.tmp
%WINDIR%\temp\tarc14f.tmp
%WINDIR%\temp\cabc14e.tmp
%WINDIR%\temp\tarac66.tmp
%WINDIR%\temp\cabac65.tmp
%WINDIR%\temp\tarac45.tmp
%WINDIR%\temp\cabac44.tmp
%WINDIR%\temp\tar974c.tmp
%WINDIR%\temp\cab974b.tmp
%WINDIR%\temp\tar971c.tmp
%WINDIR%\temp\cab971b.tmp
%WINDIR%\temp\tar96eb.tmp
%WINDIR%\temp\cab96ea.tmp
%WINDIR%\temp\tar96ba.tmp
%WINDIR%\temp\cab96b9.tmp
%WINDIR%\temp\tar81b2.tmp
%WINDIR%\temp\cab81b1.tmp
%WINDIR%\temp\tar8181.tmp
%WINDIR%\temp\cab8180.tmp
%WINDIR%\temp\tar6c0c.tmp
%WINDIR%\temp\cab2bfc.tmp
%WINDIR%\temp\tar2bfd.tmp

Network activity

Connects to

'di###rdapp.com':443
'localhost':49187
'localhost':49189
'ke##uth.win':443
'x1.#.lencr.org':80
'x2.#.lencr.org':80

TCP

HTTP GET requests

http://x1.#.lencr.org/
http://x2.#.lencr.org/

Other

'di###rdapp.com':443
'localhost':49187
'localhost':49189
'localhost':49190
'ke##uth.win':443

UDP

DNS ASK di###rdapp.com
DNS ASK ke##uth.win
DNS ASK x1.#.lencr.org
DNS ASK x2.#.lencr.org

Miscellaneous

Searches for the following windows

ClassName: 'File Monitor - Sysinternals: www.sysinternals.com' WindowName: ''
ClassName: 'Process Monitor - Sysinternals: www.sysinternals.com' WindowName: ''
ClassName: 'Registry Monitor - Sysinternals: www.sysinternals.com' WindowName: ''
ClassName: '18467-41' WindowName: ''
ClassName: '' WindowName: 'IDA: Quick start'
ClassName: '' WindowName: 'Memory Viewer'
ClassName: '' WindowName: 'Process List'
ClassName: '' WindowName: 'KsDumper'
ClassName: '' WindowName: 'Scylla'
ClassName: '' WindowName: ''

Executes the following

'<SYSTEM32>\cmd.exe' /c taskkill /f /im HTTPDebuggerUI.exe >nul 2>&1
'<SYSTEM32>\sc.exe' stop wireshark
'<SYSTEM32>\cmd.exe' /c sc stop wireshark >nul 2>&1
'<SYSTEM32>\sc.exe' stop KProcessHacker1
'<SYSTEM32>\cmd.exe' /c sc stop KProcessHacker1 >nul 2>&1
'<SYSTEM32>\sc.exe' stop KProcessHacker2
'<SYSTEM32>\cmd.exe' /c sc stop KProcessHacker2 >nul 2>&1
'<SYSTEM32>\sc.exe' stop KProcessHacker3
'<SYSTEM32>\cmd.exe' /c sc stop KProcessHacker3 >nul 2>&1
'<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq ida*" /IM * /F /T >nul 2>&1
'<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq charles*" /IM * /F /T >nul 2>&1
'<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq rawshark*" /IM * /F /T >nul 2>&1
'<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq wireshark*" /IM * /F /T >nul 2>&1
'<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq fiddler*" /IM * /F /T >nul 2>&1
'<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq processhacker*" /IM * /F /T >nul 2>&1
'<SYSTEM32>\find.exe' /i /v "certutil"
'<SYSTEM32>\find.exe' /i /v "md5"
'<SYSTEM32>\certutil.exe' -hashfile "<Full path to file>" MD5
'<SYSTEM32>\cmd.exe' /c certutil -hashfile "<Full path to file>" MD5 | find /i /v "md5" | find /i /v "certutil"
'<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq httpdebugger*" /IM * /F /T >nul 2>&1
'<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq cheatengine*" /IM * /F /T >nul 2>&1
'<SYSTEM32>\sc.exe' stop HTTPDebuggerPro
'<SYSTEM32>\cmd.exe' /c sc stop HTTPDebuggerPro >nul 2>&1
'<SYSTEM32>\cmd.exe' /c taskkill /f /im HTTPDebuggerSvc.exe >nul 2>&1
'<SYSTEM32>\cmd.exe' /c sc stop npf >nul 2>&1
'<SYSTEM32>\sc.exe' stop npf