Trojan.DownLoader26.50827

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '{ed68190f-e45c-490b-b345-ef595d483b15}' = '"<LS_APPDATA>\Package Cache\{ed68190f-e45c-490b-b345-ef595d483b15}\qtspeedtest.exe" /burn.runo...

Modifies file system:

Creates the following files:

%APPDATA%\cns_23_t.exe
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\progressbar_blue_active_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\progressbar_blue_active_100.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\progressbar_blue_active_125.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\progressbar_blue_active_150.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\transparent.gif
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\gray_button_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\close_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\progressbar_pole_null_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\progressbar_pole_null_100.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\progressbar_pole_null_125.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\progressbar_pole_null_150.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_100.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_125.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_150.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_mini_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_mini_100.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_mini_125.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_mini_150.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_short_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_short_100.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_short_125.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\yellow_button_short_150.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\info_icon_100.png
%TEMP%\Cab3.tmp
%TEMP%\Adobe_ADMLogs\Adobe_GDE.log
%TEMP%\Cab5.tmp
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\progressbar_darkgray_base_100.png
%WINDIR%\Installer\MSI7.tmp
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\progressbar_darkgray_base_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_check_125.png
%TEMP%\{41C5BA1D-F3EC-4236-94BB-E2218E9B4A41}\.cr\cns_23_t.exe
%TEMP%\{298F7C00-723C-4AE3-A25B-C524AB20D2D3}\.ba\wixstdba.dll
%TEMP%\{298F7C00-723C-4AE3-A25B-C524AB20D2D3}\.ba\thm.xml
%TEMP%\{298F7C00-723C-4AE3-A25B-C524AB20D2D3}\.ba\thm.wxl
%TEMP%\{298F7C00-723C-4AE3-A25B-C524AB20D2D3}\.ba\logo.png
%TEMP%\{298F7C00-723C-4AE3-A25B-C524AB20D2D3}\.ba\BootstrapperApplicationData.xml
%TEMP%\Impaq_Speed_20180614013303.log
%TEMP%\{298F7C00-723C-4AE3-A25B-C524AB20D2D3}\.be\qtspeedtest.exe
<LS_APPDATA>\Package Cache\{ed68190f-e45c-490b-b345-ef595d483b15}\qtspeedtest.exe
<LS_APPDATA>\Package Cache\{ed68190f-e45c-490b-b345-ef595d483b15}\state.rsm
%TEMP%\{298F7C00-723C-4AE3-A25B-C524AB20D2D3}\SpeedTest
%TEMP%\Impaq_Speed_20180614013303_000_SpeedTest.log
%WINDIR%\Installer\23147.msi
%APPDATA%\flp_starter.exe
%TEMP%\Adobe_ADMLogs\Adobe_ADM.log
%TEMP%\Cab1.tmp
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\warning_icon_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_caution_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_caution_100.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_caution_125.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_caution_150.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_x_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_x_100.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_x_125.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_x_150.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_check_200.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_check_100.png
<LS_APPDATA>\Adobe\3B1EBB3D-19E2-470A-89EE-EA052328277D\status_icon_check_150.png
%WINDIR%\Installer\MSI8.tmp

Deletes the following files:

%APPDATA%\cns_23_t.exe
%TEMP%\Cab1.tmp
%TEMP%\Cab3.tmp
%TEMP%\Cab5.tmp
%WINDIR%\Installer\MSI7.tmp

Moves the following files:

from %TEMP%\{298F7C00-723C-4AE3-A25B-C524AB20D2D3}\SpeedTest to <LS_APPDATA>\Package Cache\.unverified\SpeedTest
from <LS_APPDATA>\Package Cache\.unverified\SpeedTest to <LS_APPDATA>\Package Cache\{7D19BF4D-DA07-45F2-9133-66C9998CD6E5}v1.0.2.1\qtspeedtest.msi

Network activity:

Connects to:

'wp#d':80
'download.windowsupdate.com':80
'tl.##mcb.com':80

TCP:

HTTP GET requests:

http://11#.#11.111.1/wpad.dat via wp#d
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootseq.txt via download.windowsupdate.com
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab via download.windowsupdate.com
http://tl.##mcb.com/tl.crt

UDP:

DNS ASK wp#d
DNS ASK www.download.windowsupdate.com
DNS ASK tl.##mcb.com

Miscellaneous:

Searches for the following windows:

ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: 'MS_WebcheckMonitor' WindowName: ''

Creates and executes the following:

'%APPDATA%\cns_23_t.exe' -s -norestart -repair C=139 T=25e7700617844a548191cfe6fd7ba1a8
'%TEMP%\{41C5BA1D-F3EC-4236-94BB-E2218E9B4A41}\.cr\cns_23_t.exe' -burn.clean.room="%APPDATA%\cns_23_t.exe" -burn.filehandle.attached=1704 -burn.filehandle.self=1708 -s -norestart -repair C=139 T=25e7700617844a548191cfe6fd7ba1a8
'%APPDATA%\flp_starter.exe'

Executes the following: