Trojan.DownLoader44.51137

Technical Information

To ensure autorun and distribution

Creates or modifies the following files

<SYSTEM32>\tasks\sdszfo
<SYSTEM32>\tasks\c

Infects the following executable files

%HOMEPATH%\desktop\chromesetup.exe
%HOMEPATH%\desktop\dotnetfx45_full_setup.exe
%HOMEPATH%\desktop\jre-7u75-windows-i586-iftw.exe

Creates the following files on removable media

<Drive name for removable media>:\hadac_newsletter_july_2010_final.exe

Malicious functions

Reads files which store third party applications passwords

%HOMEPATH%\desktop\adhd_and_obesity.docx
%HOMEPATH%\desktop\aoc_saq_d_v3_merchant.docx
%HOMEPATH%\desktop\holycrosschurchinstructions.docx
%HOMEPATH%\desktop\nwfieldnotes1966.docx
%HOMEPATH%\desktop\thlps_keeper_mayer_1965.docx

Modifies file system

Creates the following files

%TEMP%\sdszfo.docx
%TEMP%\rcx6a59.tmp
%HOMEPATH%\desktop\holycrosschurchinstructions.exe
%TEMP%\tmp6e70.tmp
%TEMP%\tmp6e71.tmp.exe
C:\rcx6efe.tmp
C:\rcx6fba.tmp
%TEMP%\tmp7077.tmp.exe
%TEMP%\tmp70f4.tmp
%TEMP%\tmp7105.tmp.exe
%TEMP%\rcx7200.tmp
%TEMP%\tmp6201.tmp
%TEMP%\jre-7u75-windows-i586-iftw.exe.ico
%TEMP%\rcx7472.tmp
%HOMEPATH%\desktop\nwfieldnotes1966.exe
%TEMP%\tmp7740.tmp
%TEMP%\tmp7760.tmp.exe
C:\rcx784b.tmp
C:\rcx7975.tmp
%HOMEPATH%\desktop\thlps_keeper_mayer_1965.exe
%TEMP%\tmp7c82.tmp
%TEMP%\tmp7ca2.tmp.exe
C:\rcx7e0a.tmp
%TEMP%\dotnetfx45_full_setup.exe.ico
%TEMP%\rcx69bc.tmp
%TEMP%\rcx68f1.tmp
%TEMP%\tmp673b.tmp.exe
%TEMP%\tmp671b.tmp
%LOCALAPPDATA%\servicehub\sdszfo.exe
%TEMP%\w.exe
%TEMP%\c.exe
%LOCALAPPDATA%\servicehub\c.exe
%TEMP%\docx.ico
%HOMEPATH%\desktop\adhd_and_obesity.exe
%TEMP%\tmp5ffa.tmp
%TEMP%\tmp601a.tmp.exe
C:\rcx60c7.tmp
C:\rcx6116.tmp
C:\rcx7ef5.tmp
%TEMP%\rcx72fa.tmp
%HOMEPATH%\desktop\aoc_saq_d_v3_merchant.exe
C:\rcx6251.tmp
C:\rcx62af.tmp
%TEMP%\tmp632d.tmp.exe
%TEMP%\tmp638c.tmp
%TEMP%\tmp639c.tmp.exe
%TEMP%\rcx642a.tmp
%TEMP%\chromesetup.exe.ico
%TEMP%\rcx64d6.tmp
%TEMP%\rcx6573.tmp
%TEMP%\tmp667e.tmp.exe
%TEMP%\sdszfo.exe
%TEMP%\tmp6202.tmp.exe
%TEMP%\tmpeea2.tmp

Deletes the following files

%TEMP%\sdszfo.exe
%HOMEPATH%\desktop\adhd_and_obesity.exe
%HOMEPATH%\desktop\aoc_saq_d_v3_merchant.exe
%TEMP%\tmp632d.tmp.exe
%TEMP%\tmp667e.tmp.exe
%TEMP%\c.exe
%HOMEPATH%\desktop\holycrosschurchinstructions.exe
%TEMP%\tmp7077.tmp.exe
%HOMEPATH%\desktop\nwfieldnotes1966.exe
%HOMEPATH%\desktop\thlps_keeper_mayer_1965.exe

Moves the following files

from C:\rcx60c7.tmp to %HOMEPATH%\desktop\adhd_and_obesity.exe
from C:\rcx7e0a.tmp to %HOMEPATH%\desktop\thlps_keeper_mayer_1965.exe
from %HOMEPATH%\desktop\nwfieldnotes1966.exe to %HOMEPATH%\desktop\nwfieldnotes1966-esj‮xcod.scr
from C:\rcx7975.tmp to %HOMEPATH%\desktop\nwfieldnotes1966.exe
from C:\rcx784b.tmp to %HOMEPATH%\desktop\nwfieldnotes1966.exe
from %TEMP%\rcx7472.tmp to %TEMP%\tmp7077.tmp.exe
from %TEMP%\rcx72fa.tmp to %TEMP%\tmp7077.tmp.exe
from %TEMP%\rcx7200.tmp to %TEMP%\tmp7077.tmp.exe
from %HOMEPATH%\desktop\holycrosschurchinstructions.exe to %HOMEPATH%\desktop\holycrosschurchinstructions-xqn‮xcod.scr
from C:\rcx6fba.tmp to %HOMEPATH%\desktop\holycrosschurchinstructions.exe
from C:\rcx6efe.tmp to %HOMEPATH%\desktop\holycrosschurchinstructions.exe
from %TEMP%\rcx6a59.tmp to %TEMP%\tmp667e.tmp.exe
from %TEMP%\rcx69bc.tmp to %TEMP%\tmp667e.tmp.exe
from %TEMP%\rcx68f1.tmp to %TEMP%\tmp667e.tmp.exe
from %TEMP%\rcx6573.tmp to %TEMP%\tmp632d.tmp.exe
from %TEMP%\rcx64d6.tmp to %TEMP%\tmp632d.tmp.exe
from %TEMP%\rcx642a.tmp to %TEMP%\tmp632d.tmp.exe
from %HOMEPATH%\desktop\aoc_saq_d_v3_merchant.exe to %HOMEPATH%\desktop\aoc_saq_d_v3_merchant-xxt‮xcod.scr
from C:\rcx62af.tmp to %HOMEPATH%\desktop\aoc_saq_d_v3_merchant.exe
from C:\rcx6251.tmp to %HOMEPATH%\desktop\aoc_saq_d_v3_merchant.exe
from %HOMEPATH%\desktop\adhd_and_obesity.exe to %HOMEPATH%\desktop\adhd_and_obesity-amw‮xcod.scr
from C:\rcx6116.tmp to %HOMEPATH%\desktop\adhd_and_obesity.exe
from C:\rcx7ef5.tmp to %HOMEPATH%\desktop\thlps_keeper_mayer_1965.exe
from %HOMEPATH%\desktop\thlps_keeper_mayer_1965.exe to %HOMEPATH%\desktop\thlps_keeper_mayer_1965-usn‮xcod.scr

Substitutes the following files

%HOMEPATH%\desktop\adhd_and_obesity.exe
%HOMEPATH%\desktop\aoc_saq_d_v3_merchant.exe
%TEMP%\tmp632d.tmp.exe
%TEMP%\tmp667e.tmp.exe
%HOMEPATH%\desktop\holycrosschurchinstructions.exe
%TEMP%\tmp7077.tmp.exe
%HOMEPATH%\desktop\nwfieldnotes1966.exe
%HOMEPATH%\desktop\thlps_keeper_mayer_1965.exe
%TEMP%\c.exe

Network activity

Connects to

'c.###nlink.golf':80

TCP

HTTP GET requests

http://c.###nlink.golf/sa/w.exe
http://c.###nlink.golf/sa/c.exe

UDP

DNS ASK c.###nlink.golf

Miscellaneous

Creates and executes the following

'%TEMP%\sdszfo.exe'
'%LOCALAPPDATA%\servicehub\sdszfo.exe'
'%TEMP%\c.exe'
'%LOCALAPPDATA%\servicehub\c.exe'
'%WINDIR%\syswow64\cmd.exe' /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "sdszfo" /sc MINUTE /tr "%LOCALAPPDATA%\ServiceHub\sdszfo.exe" /rl HIGHEST /f && DEL /F /S /Q /A "%TEMP%\sdszfo.exe" &&START "" "%LOCALAP...' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "c" /sc MINUTE /tr "%LOCALAPPDATA%\ServiceHub\c.exe" /rl HIGHEST /f && DEL /F /S /Q /A "%TEMP%\c.exe" &&START "" "%LOCALAPPDATA%\ServiceH...' (with hidden window)
'%LOCALAPPDATA%\servicehub\c.exe' ' (with hidden window)
'%LOCALAPPDATA%\servicehub\sdszfo.exe' ' (with hidden window)

Executes the following

'%ProgramFiles%\microsoft office\office14\winword.exe' /n "%TEMP%\sdszfo.docx"
'%WINDIR%\syswow64\cmd.exe' /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "sdszfo" /sc MINUTE /tr "%LOCALAPPDATA%\ServiceHub\sdszfo.exe" /rl HIGHEST /f && DEL /F /S /Q /A "%TEMP%\sdszfo.exe" &&START "" "%LOCALAP...
'%WINDIR%\syswow64\chcp.com' 65001
'%WINDIR%\syswow64\ping.exe' 127.0.0.1
'%WINDIR%\syswow64\schtasks.exe' /create /tn "sdszfo" /sc MINUTE /tr "%LOCALAPPDATA%\ServiceHub\sdszfo.exe" /rl HIGHEST /f
'%WINDIR%\syswow64\cmd.exe' /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "c" /sc MINUTE /tr "%LOCALAPPDATA%\ServiceHub\c.exe" /rl HIGHEST /f && DEL /F /S /Q /A "%TEMP%\c.exe" &&START "" "%LOCALAPPDATA%\ServiceH...
'%WINDIR%\syswow64\schtasks.exe' /create /tn "c" /sc MINUTE /tr "%LOCALAPPDATA%\ServiceHub\c.exe" /rl HIGHEST /f
'<SYSTEM32>\taskeng.exe' {994FEA5B-4AB8-4B47-97C6-17735BC0E7BF} S-1-5-21-1960123792-2022915161-3775307078-1001:iympkw\user:Interactive:[1]

技术

术语

教育培训

误区

Technical Information

Curing recommendations

Free trial