Trojan.DownLoader34.55355

Technical Information

Malicious functions

Creates and executes the following

'%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --type=gpu-process --channel="2448.0.908675018\1197097650" --supports-dual-gpus=false --gpu-driver-bug-workarounds=1,19,42 --gpu-vendor-id=0x0000 --gpu-device-id=0x0000 --gpu-driver-vendor --gp...
'%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --type=renderer --enable-deferred-image-decoding --lang=ru --force-fieldtrials="BackgroundRendererProcesses/Disallow/BrowserBlacklist/Enabled/*CTRequiredForEVTrial/RequirementEnforced/CaptivePo...
'%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --type=renderer --enable-deferred-image-decoding --lang=ru --force-fieldtrials="BackgroundRendererProcesses/Disallow/*BrowserBlacklist/Enabled/*CTRequiredForEVTrial/RequirementEnforced/CaptiveP...
'%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --type=renderer --enable-deferred-image-decoding --lang=ru --force-fieldtrials="*BackgroundRendererProcesses/Disallow/*BrowserBlacklist/Enabled/*CTRequiredForEVTrial/RequirementEnforced/Captive...

Injects code into

the following user processes:

chrome.exe

Modifies file system

Creates the following files

%TEMP%\95fc.tmp
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\th\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\sv\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\sr\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\sl\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\sk\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\ru\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\ro\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\id\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\pt_pt\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\pl\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\nl\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\nb\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\lv\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\lt\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\ko\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\ja\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\pt_br\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\it\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\tr\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\images\icon_128.png
%TEMP%\scoped_dir_2448_1724\crx_install\_metadata\verified_contents.json
%TEMP%\scoped_dir_2448_1724\crx_install\manifest.json
%TEMP%\scoped_dir_2448_1724\crx_install\images\topbar_floating_button_pressed.png
%TEMP%\scoped_dir_2448_1724\crx_install\images\topbar_floating_button_maximize.png
%TEMP%\scoped_dir_2448_1724\crx_install\images\topbar_floating_button_hover.png
%TEMP%\scoped_dir_2448_1724\crx_install\images\topbar_floating_button_close.png
%TEMP%\scoped_dir_2448_1724\crx_install\images\topbar_floating_button.png
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\vi\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\uk\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\images\flapper.gif
%TEMP%\scoped_dir_2448_1724\crx_install\html\craw_window.html
%TEMP%\scoped_dir_2448_1724\crx_install\css\craw_window.css
%TEMP%\scoped_dir_2448_1724\crx_install\craw_window.js
%TEMP%\scoped_dir_2448_1724\crx_install\craw_background.js
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\zh_tw\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\zh_cn\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\images\icon_16.png
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\hu\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\hr\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\hi\messages.json
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_ru.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_pt-br.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_ko.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_ja.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_it.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\_platform_specific\x86-64_ru\hotword-x86-64.nexe
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_fr.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_en-gb.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_en-au.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_de.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\manifest.json
%TEMP%\dff0.tmp
%TEMP%\scoped_dir_2448_13422\95fc.tmp
%TEMP%\dfc0.tmp
%TEMP%\scoped_dir_2448_13422\crx_install\hotword_es.nmf
%TEMP%\scoped_dir_2448_13422\crx_install\audio\chime.wav
%TEMP%\scoped_dir_2448_13422\crx_install\_platform_specific\x86-64_ru\hotword.data
%TEMP%\scoped_dir_2448_13422\crx_install\_metadata\verified_contents.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\fr\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\el\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\fil\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\fi\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\et\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\es_419\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\es\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\en_gb\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\en\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\de\messages.json
%TEMP%\scoped_dir_2448_13422\decoded_images
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\da\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\cs\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\ca\messages.json
%TEMP%\scoped_dir_2448_1724\crx_install\_locales\bg\messages.json
%TEMP%\scoped_dir_2448_1724\dff0.tmp
%TEMP%\edb6.tmp
%TEMP%\scoped_dir_2448_13422\decoded_message_catalogs
%TEMP%\scoped_dir_2448_1724\decoded_images
%TEMP%\scoped_dir_2448_1724\decoded_message_catalogs

Deletes the following files

%TEMP%\dfc0.tmp
%TEMP%\scoped_dir_2448_13422\95fc.tmp
%TEMP%\scoped_dir_2448_13422\decoded_images
%TEMP%\scoped_dir_2448_13422\decoded_message_catalogs
%TEMP%\95fc.tmp
%TEMP%\edb6.tmp
%TEMP%\scoped_dir_2448_1724\crx_install\images\icon_128.png
%TEMP%\scoped_dir_2448_1724\crx_install\images\icon_16.png
%TEMP%\scoped_dir_2448_1724\decoded_images
%TEMP%\scoped_dir_2448_1724\decoded_message_catalogs
%TEMP%\scoped_dir_2448_1724\dff0.tmp
%TEMP%\dff0.tmp

Substitutes the following files

%TEMP%\scoped_dir_2448_1724\crx_install\images\icon_128.png
%TEMP%\scoped_dir_2448_1724\crx_install\images\icon_16.png

Network activity

TCP

HTTP GET requests

http://www.gs##tic.com/chrome/profile_avatars/NothingToDownload
http://re####ctor.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvZDg2QUFVUUNkZlVTT0NHM2tJS2JpQnlWUQ/0.3.0.2_lccekmodgklaepjeofjdjpbminllajkg.crx
http://r4######5hne6nsd.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvZDg2QUFVUUNkZlVTT0NHM2tJS2JpQnlWUQ/0.3.0.2_lccekmodgklaepjeofjdjpbminllajkg.crx?cm########################...
http://re####ctor.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvZjAxQUFXVHlhaFhwNHJ6dDVCakV0NUEyQQ/1.0.0.5_nmmhkkegccagdldgiimedpiccmgmieda.crx
http://r3######5hne6nsz.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvZjAxQUFXVHlhaFhwNHJ6dDVCakV0NUEyQQ/1.0.0.5_nmmhkkegccagdldgiimedpiccmgmieda.crx?cm########################...

'clients2.google.com':443

'tr######e.googleapis.com':443

'google.com':443

'gs##tic.com':443

UDP

DNS ASK clients2.google.com
DNS ASK clients4.google.com
DNS ASK google.com
DNS ASK tr######e.googleapis.com
DNS ASK gs##tic.com
DNS ASK clients3.google.com
DNS ASK re####ctor.gvt1.com
DNS ASK r4######5hne6nsd.gvt1.com
DNS ASK r3######5hne6nsz.gvt1.com
'google.com':443

Miscellaneous

Searches for the following windows

ClassName: 'Chrome_MessageWindow' WindowName: '%LOCALAPPDATA%\Google\Chrome\User Data'

Technologies

Begriffe

Schulung und Training

Mythen

Technical Information

Curing recommendations

Free trial