Trojan.Siggen20.25207

Technical Information

Malicious functions

Reads files which store third party applications passwords

%LOCALAPPDATA%\google\chrome\user data\default\cookies
%LOCALAPPDATA%\google\chrome\user data\default\login data
%LOCALAPPDATA%\google\chrome\user data\default\web data

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

%LOCALAPPDATA%\google\chrome\user datacimgr\chrome_shutdown_ms.txt
%LOCALAPPDATA%\google\chrome\user datacimgr\default\efad.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\ef9c.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cache\data_3
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cache\data_2
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cache\data_1
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cache\data_0
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cache\index
%LOCALAPPDATA%\google\chrome\user datacimgr\default\d519.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gcm store\log
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gcm store\000001.dbtmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gcm store\manifest-000001
%LOCALAPPDATA%\google\chrome\user datacimgr\default\extension rules\log
%LOCALAPPDATA%\google\chrome\user datacimgr\default\extension rules\000001.dbtmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\extension rules\manifest-000001
%LOCALAPPDATA%\google\chrome\user datacimgr\default\local storage\chrome-extension_pafkbggdmjlpgkdkcbjmhmfcdpncadgh_0.localstorage-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\local storage\chrome-extension_pafkbggdmjlpgkdkcbjmhmfcdpncadgh_0.localstorage
%LOCALAPPDATA%\google\chrome\user datacimgr\default\web data-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\visited links
%LOCALAPPDATA%\google\chrome\user datacimgr\default\web data
%LOCALAPPDATA%\google\chrome\user datacimgr\default\f0f6.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gpucache\index
%LOCALAPPDATA%\google\chrome\user datacimgr\default\session storage\000001.dbtmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\session storage\manifest-000001
%LOCALAPPDATA%\google\chrome\user datacimgr\7537.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\6eef.tmp
%TEMP%\etilqs_7ad1ovcjwyewj5i
%LOCALAPPDATA%\google\chrome\user datacimgr\default\286d.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\local extension settings\pafkbggdmjlpgkdkcbjmhmfcdpncadgh\000003.log
%LOCALAPPDATA%\google\chrome\user datacimgr\default\local extension settings\pafkbggdmjlpgkdkcbjmhmfcdpncadgh\log
%LOCALAPPDATA%\google\chrome\user datacimgr\default\local extension settings\pafkbggdmjlpgkdkcbjmhmfcdpncadgh\manifest-000001
%LOCALAPPDATA%\google\chrome\user datacimgr\default\network action predictor-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\extension state\000003.log
%LOCALAPPDATA%\google\chrome\user datacimgr\default\extension state\log
%LOCALAPPDATA%\google\chrome\user datacimgr\default\extension state\000001.dbtmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\extension state\manifest-000001
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gpucache\data_3
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gpucache\data_2
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gpucache\data_1
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gpucache\data_0
%LOCALAPPDATA%\google\chrome\user datacimgr\default\transportsecurity
%LOCALAPPDATA%\google\chrome\user datacimgr\default\top sites-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\top sites
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cookies-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cookies
%LOCALAPPDATA%\google\chrome\user datacimgr\default\chromedwritefontcache
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing uws list prefix set
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing uws list
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing ip blacklist
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing inclusion whitelist
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing extension blacklist
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing download whitelist
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing download
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing csd whitelist
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing cookies-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing cookies
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing bloom prefix set
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing bloom
%LOCALAPPDATA%\google\chrome\user datacimgr\local state
%LOCALAPPDATA%\google\chrome\user datacimgr\default\current tabs
%LOCALAPPDATA%\google\chrome\user datacimgr\default\favicons
%LOCALAPPDATA%\google\chrome\user datacimgr\default\current session
%LOCALAPPDATA%\google\chrome\user datacimgr\default\favicons-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\shortcuts-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\google profile.ico
%LOCALAPPDATA%\google\chrome\user datacimgr\default\shortcuts
%LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences
%LOCALAPPDATA%\google\chrome\user datacimgr\default\readme
%LOCALAPPDATA%\google\chrome\user datacimgr\default\quotamanager-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\quotamanager
%LOCALAPPDATA%\google\chrome\user datacimgr\default\preferences
%LOCALAPPDATA%\google\chrome\user datacimgr\default\origin bound certs-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\local extension settings\pafkbggdmjlpgkdkcbjmhmfcdpncadgh\000001.dbtmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\session storage\log
%LOCALAPPDATA%\google\chrome\user datacimgr\default\network action predictor
%LOCALAPPDATA%\google\chrome\user datacimgr\default\login data-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\login data
%LOCALAPPDATA%\google\chrome\user datacimgr\default\last tabs
%LOCALAPPDATA%\google\chrome\user datacimgr\default\last session
%LOCALAPPDATA%\google\chrome\user datacimgr\default\history-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\history provider cache
%LOCALAPPDATA%\google\chrome\user datacimgr\default\history
%LOCALAPPDATA%\google\chrome\user datacimgr\default\origin bound certs
%LOCALAPPDATA%\google\chrome\user datacimgr\ce03.tmp

Deletes the following files

%LOCALAPPDATA%\google\chrome\user datacimgr\chrome_shutdown_ms.txt
%LOCALAPPDATA%\google\chrome\user datacimgr\default\preferences
%LOCALAPPDATA%\google\chrome\user datacimgr\default\quotamanager
%LOCALAPPDATA%\google\chrome\user datacimgr\default\quotamanager-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\readme
%LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences
%LOCALAPPDATA%\google\chrome\user datacimgr\default\shortcuts-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\top sites-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\transportsecurity
%LOCALAPPDATA%\google\chrome\user datacimgr\default\web data-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cache\data_0
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cache\data_1
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing download whitelist
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cache\data_2
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cache\index
%LOCALAPPDATA%\google\chrome\user datacimgr\default\extension rules\current
%LOCALAPPDATA%\google\chrome\user datacimgr\default\extension state\current
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gcm store\current
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gpucache\data_0
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gpucache\data_1
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gpucache\data_2
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gpucache\data_3
%LOCALAPPDATA%\google\chrome\user datacimgr\default\gpucache\index
%LOCALAPPDATA%\google\chrome\user datacimgr\default\local extension settings\pafkbggdmjlpgkdkcbjmhmfcdpncadgh\current
%LOCALAPPDATA%\google\chrome\user datacimgr\default\local storage\chrome-extension_pafkbggdmjlpgkdkcbjmhmfcdpncadgh_0.localstorage-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\origin bound certs
%LOCALAPPDATA%\google\chrome\user datacimgr\default\origin bound certs-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\network action predictor-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\login data-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\last tabs
%LOCALAPPDATA%\google\chrome\user datacimgr\default\last session
%LOCALAPPDATA%\google\chrome\user datacimgr\default\history provider cache
%LOCALAPPDATA%\google\chrome\user datacimgr\local state~rf11f009.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences~rf11f0f3.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\preferences~rf11f4f8.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\local state
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing bloom
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing bloom prefix set
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing cookies
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing cookies-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing csd whitelist
%LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences~rf126f17.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cache\data_3
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing download
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing inclusion whitelist
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing ip blacklist
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing uws list
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing uws list prefix set
%LOCALAPPDATA%\google\chrome\user datacimgr\default\chromedwritefontcache
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cookies
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cookies-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\current tabs
%LOCALAPPDATA%\google\chrome\user datacimgr\default\favicons-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\google profile.ico
%LOCALAPPDATA%\google\chrome\user datacimgr\default\history-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\d519.tmp
%LOCALAPPDATA%\google\chrome\user datacimgr\safe browsing extension blacklist
%LOCALAPPDATA%\google\chrome\user datacimgr\local state~rf12ce17.tmp

Moves the following files

from %LOCALAPPDATA%\google\chrome\user datacimgr\default\extension rules\000001.dbtmp to %LOCALAPPDATA%\google\chrome\user datacimgr\default\extension rules\current
from %LOCALAPPDATA%\google\chrome\user datacimgr\default\gcm store\000001.dbtmp to %LOCALAPPDATA%\google\chrome\user datacimgr\default\gcm store\current
from %LOCALAPPDATA%\google\chrome\user datacimgr\ef9c.tmp to %LOCALAPPDATA%\google\chrome\user datacimgr\local state
from %LOCALAPPDATA%\google\chrome\user datacimgr\local state to %LOCALAPPDATA%\google\chrome\user datacimgr\local state~rf11f009.tmp
from %LOCALAPPDATA%\google\chrome\user datacimgr\default\efad.tmp to %LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences
from %LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences to %LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences~rf11f0f3.tmp
from %LOCALAPPDATA%\google\chrome\user datacimgr\default\f0f6.tmp to %LOCALAPPDATA%\google\chrome\user datacimgr\default\preferences
from %LOCALAPPDATA%\google\chrome\user datacimgr\default\preferences to %LOCALAPPDATA%\google\chrome\user datacimgr\default\preferences~rf11f4f8.tmp
from %LOCALAPPDATA%\google\chrome\user datacimgr\default\extension state\000001.dbtmp to %LOCALAPPDATA%\google\chrome\user datacimgr\default\extension state\current
from %LOCALAPPDATA%\google\chrome\user datacimgr\default\local extension settings\pafkbggdmjlpgkdkcbjmhmfcdpncadgh\000001.dbtmp to %LOCALAPPDATA%\google\chrome\user datacimgr\default\local extension settings\pafkbggdmjlpgkdkcbjmhmfcdpncadgh\current
from %LOCALAPPDATA%\google\chrome\user datacimgr\default\6eef.tmp to %LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences
from %LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences to %LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences~rf126f17.tmp
from %LOCALAPPDATA%\google\chrome\user datacimgr\default\session storage\000001.dbtmp to %LOCALAPPDATA%\google\chrome\user datacimgr\default\session storage\current
from %LOCALAPPDATA%\google\chrome\user datacimgr\ce03.tmp to %LOCALAPPDATA%\google\chrome\user datacimgr\local state
from %LOCALAPPDATA%\google\chrome\user datacimgr\local state to %LOCALAPPDATA%\google\chrome\user datacimgr\local state~rf12ce17.tmp

Substitutes the following files

%LOCALAPPDATA%\google\chrome\user datacimgr\default\last session
%LOCALAPPDATA%\google\chrome\user datacimgr\default\current session
%LOCALAPPDATA%\google\chrome\user datacimgr\local state
%LOCALAPPDATA%\google\chrome\user datacimgr\default\secure preferences
%LOCALAPPDATA%\google\chrome\user datacimgr\default\preferences
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cookies-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\web data-journal
%LOCALAPPDATA%\google\chrome\user datacimgr\default\cookies
%LOCALAPPDATA%\google\chrome\user datacimgr\default\readme
%LOCALAPPDATA%\google\chrome\user datacimgr\default\history-journal

Network activity

Connects to

'localhost':35525

TCP

HTTP GET requests

http://12#.#.0.1:35525/json/version

Other

'localhost':49174
'localhost':49175
'localhost':49176
'localhost':49177
'localhost':49178
'localhost':49179
'localhost':49180
'localhost':49181
'localhost':49182
'localhost':49183

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 accounts.google.com

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: 'Chrome_MessageWindow' WindowName: '%LOCALAPPDATA%\Google\Chrome\User DataCIMGR'

Executes the following

'%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --remote-debugging-port=35525 --headless --user-data-dir="%LOCALAPPDATA%\Google\Chrome\User DataCIMGR" --profile-directory="Default"
'%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --type=gpu-process --channel="1156.0.942483173\1862775436" --user-data-dir="%LOCALAPPDATA%\Google\Chrome\User DataCIMGR" --supports-dual-gpus=false --gpu-driver-bug-workarounds=1,19,42 --gpu-ve...
'%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...

Technologies

Terminology

Training and education

Myths

Technical Information

Curing recommendations

Free trial