Trojan.Siggen10.20624

Technical Information

To ensure autorun and distribution

Sets the following service settings

[<HKLM>\System\CurrentControlSet\Services\8EDAD8E8FEEE] 'Start' = '00000001'
[<HKLM>\System\CurrentControlSet\Services\8EDAD8E8FEEE] 'ImagePath' = '%WINDIR%\8EDAD8E8FEEE.sys'

Creates the following services

'8EDAD8E8FEEE' %WINDIR%\8EDAD8E8FEEE.sys

Malicious functions

Executes the following

'%WINDIR%\syswow64\taskkill.exe' /f /im chrome.exe
'%WINDIR%\syswow64\taskkill.exe' /f /im opera.exe

Injects code into

the following system processes:

%WINDIR%\syswow64\rundll32.exe

the following user processes:

firefox.exe

Reads files which store third party applications passwords

%LOCALAPPDATA%\google\chrome\user data\default\login data
%LOCALAPPDATA%\google\chrome\user data\default\cookies
%APPDATA%\mozilla\firefox\profiles.ini
%APPDATA%\opera software\opera stable\login data
%LOCALAPPDATA%\google\chrome\user data\default\web data

Modifies file system

Creates the following files

%TEMP%\baidu.exe
%LOCALAPPDATA%\cookies1600143979852
%LOCALAPPDATA%\login data1600143979837
%LOCALAPPDATA%webdata1600143975625
%LOCALAPPDATA%\web data1600143975609
%LOCALAPPDATA%\cookies1600143975609
%LOCALAPPDATA%\login data1600143975593
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++fe0ddd3d-a6f9-4fcf-9fa1-04ee736f082a\idb\61413404gyreekansoem.sqlite
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++68c56b1f-25b6-4a97-b66d-eb454bcdbf0f^usercontextid=4294967295\idb\3647222921wleabceoxlt-eengsairo.sqlite
%LOCALAPPDATA%webdata1600143979868
%LOCALAPPDATA%\web data1600143979868
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++d1f351cc-31ff-421b-b87d-57d5cb71c1f8^usercontextid=4294967295\idb\3647222921wleabceoxlt-eengsairo.sqlite
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++fe0ddd3d-a6f9-4fcf-9fa1-04ee736f082a^usercontextid=4294967295\.metadata-v2
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++68c56b1f-25b6-4a97-b66d-eb454bcdbf0f^usercontextid=4294967295\.metadata-v2
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++d1f351cc-31ff-421b-b87d-57d5cb71c1f8^usercontextid=4294967295\.metadata-v2
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++c9cdd9b2-a8a6-4f4c-8167-86f19e1820e6^usercontextid=4294967295\.metadata-v2
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++fe0ddd3d-a6f9-4fcf-9fa1-04ee736f082a\.metadata-v2
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\extensions\{e4a8a97b-f2ed-450b-b12d-ee082ba24781}.xpi
%LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++c9cdd9b2-a8a6-4f4c-8167-86f19e1820e6^usercontextid=4294967295\idb\3647222921wleabceoxlt-eengsairo.sqlite
%LOCALAPPDATA%\google\chrome\user data\default\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\icon.png
%LOCALAPPDATA%\login data1600143981350
%TEMP%\1600144008572\safe browsing uws list
%TEMP%\1600144008572\safe browsing ip blacklist
%TEMP%\1600144008572\safe browsing inclusion whitelist
%TEMP%\1600144008572\safe browsing extension blacklist
%TEMP%\1600144008572\safe browsing download whitelist
%TEMP%\1600144008572\safe browsing download
%TEMP%\1600144008572\safe browsing csd whitelist
%TEMP%\1600144008572\safe browsing cookies-journal
%TEMP%\1600144008572\safe browsing cookies
%TEMP%\1600144008572\safe browsing bloom prefix set
%TEMP%\1600144008572\safe browsing bloom
%TEMP%\1600144008572\local state
%TEMP%\1600144008572\chrome_shutdown_ms.txt
%WINDIR%\temp\udde3c9.tmp
%WINDIR%\8edad8e8feee.sys
%LOCALAPPDATA%\cookies1600143981412
%LOCALAPPDATA%\login data1600143981412
%LOCALAPPDATA%\cookies.sqlite1600143981365-shm
%LOCALAPPDATA%\cookies.sqlite1600143981365
%ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
%APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\storage\default\moz-extension+++fe0ddd3d-a6f9-4fcf-9fa1-04ee736f082a^usercontextid=4294967295\idb\3647222921wleabceoxlt-eengsairo.sqlite
%ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
%ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
%LOCALAPPDATA%\cookies1600143962099
%LOCALAPPDATA%\scrsnap\scrsnap.ini
%LOCALAPPDATA%\login data1600143961304
%TEMP%\1600143961148
%HOMEPATH%\desktop\scrsnap.lnk
%LOCALAPPDATA%\scrsnap\scrsnap.dll
%LOCALAPPDATA%\scrsnap\pgort80.dll
%LOCALAPPDATA%\scrsnap\pgodb80.dll
%LOCALAPPDATA%\scrsnap\unstall.exe
%LOCALAPPDATA%\scrsnap\scrsnap.exe
%LOCALAPPDATA%\scrsnap\resource\undo.bmp
%LOCALAPPDATA%\cookies1600143961319
%LOCALAPPDATA%\scrsnap\resource\text.bmp
%LOCALAPPDATA%\scrsnap\resource\save.bmp
%LOCALAPPDATA%\scrsnap\resource\header.bmp
%LOCALAPPDATA%\scrsnap\resource\copy.bmp
%LOCALAPPDATA%\scrsnap\resource\close.bmp
%LOCALAPPDATA%\scrsnap\resource\brush.bmp
%LOCALAPPDATA%\scrsnap\resource\back.bmp
%LOCALAPPDATA%\scrsnap.7z
%TEMP%\1600144008572\safe browsing uws list prefix set
%LOCALAPPDATA%\cookies1600143981350
%LOCALAPPDATA%\crx.json
%LOCALAPPDATA%\google\chrome\user data\default\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\popup.html
%LOCALAPPDATA%\crx.7z
%LOCALAPPDATA%\login data1600143962084
%LOCALAPPDATA%\cookies.sqlite1600143962053-shm
%LOCALAPPDATA%\cookies.sqlite1600143962053
%TEMP%\1600143961491
%APPDATA%\opera software\opera stable\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\manifest.json
%APPDATA%\opera software\opera stable\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\popup.js
%APPDATA%\opera software\opera stable\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\jquery-1.8.3.min.js
%APPDATA%\opera software\opera stable\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\book.js
%APPDATA%\opera software\opera stable\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\background.js
%APPDATA%\opera software\opera stable\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\popup.html
%APPDATA%\opera software\opera stable\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\icon48.png
%APPDATA%\opera software\opera stable\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\icon.png
%TEMP%\1600143961397
%LOCALAPPDATA%\google\chrome\user data\default\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\manifest.json
%LOCALAPPDATA%\google\chrome\user data\default\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\popup.js
%LOCALAPPDATA%\google\chrome\user data\default\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\jquery-1.8.3.min.js
%LOCALAPPDATA%\google\chrome\user data\default\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\book.js
%LOCALAPPDATA%\google\chrome\user data\default\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\background.js
%LOCALAPPDATA%\google\chrome\user data\default\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\icon48.png
%TEMP%\1600144008572\default\chromedwritefontcache

Deletes the following files

%LOCALAPPDATA%\scrsnap.7z
%LOCALAPPDATA%\cookies1600143981412
%LOCALAPPDATA%\login data1600143981412
%LOCALAPPDATA%\cookies.sqlite1600143981365
%LOCALAPPDATA%\cookies.sqlite1600143981365-shm
%LOCALAPPDATA%\cookies1600143981350
%LOCALAPPDATA%\login data1600143981350
%LOCALAPPDATA%webdata1600143979868
%LOCALAPPDATA%\web data1600143979868
%LOCALAPPDATA%\cookies1600143979852
%LOCALAPPDATA%\login data1600143979837
%LOCALAPPDATA%webdata1600143975625
%LOCALAPPDATA%\web data1600143975609
%WINDIR%\temp\udde3c9.tmp
%LOCALAPPDATA%\cookies1600143975609
%TEMP%\baidu.exe
%TEMP%\1600143961491
%LOCALAPPDATA%\cookies1600143962099
%LOCALAPPDATA%\login data1600143962084
%LOCALAPPDATA%\cookies.sqlite1600143962053
%LOCALAPPDATA%\cookies.sqlite1600143962053-shm
%TEMP%\1600143961397
%TEMP%\1600143961148
%LOCALAPPDATA%\crx.7z
%LOCALAPPDATA%\crx.json
%LOCALAPPDATA%\cookies1600143961319
%LOCALAPPDATA%\login data1600143961304
%LOCALAPPDATA%\login data1600143975593
%TEMP%\1600144008572\chrome_shutdown_ms.txt

Moves the following files

from %LOCALAPPDATA%\google\chrome\user data\default\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\book.js to %LOCALAPPDATA%\google\chrome\user data\default\extensions\fmmlbmapclhleeihkpeifecekaahiejp\1.0.0.0_0\d8yi+hf7rx.js

Substitutes the following files

%LOCALAPPDATA%\crx.7z
%LOCALAPPDATA%\crx.json

Deletes itself.

Network activity

Connects to

'65#####b4cb52d28.xyz':80

TCP

HTTP GET requests

http://65#####b4cb52d28.xyz/info/big
http://65#####b4cb52d28.xyz/info/r

HTTP POST requests

http://65#####b4cb52d28.xyz/info/e
http://65#####b4cb52d28.xyz/info/g
http://65#####b4cb52d28.xyz/info/w

'we###.wamesheet.com':443

UDP

DNS ASK 65#####b4cb52d28.xyz
DNS ASK we###.wamesheet.com

Miscellaneous

Adds a root certificate

Searches for the following windows

ClassName: '' WindowName: ''

Creates and executes the following

'%TEMP%\baidu.exe' 0011 install2
'%TEMP%\baidu.exe' 200 install2
'%TEMP%\baidu.exe' 300 install2
'%TEMP%\baidu.exe' 0011 install2' (with hidden window)
'%TEMP%\baidu.exe' 200 install2' (with hidden window)
'%TEMP%\baidu.exe' 300 install2' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 3 & del "<Full path to file>"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c taskkill /f /im chrome.exe' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c taskkill /f /im opera.exe' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 3 & del "%TEMP%\baidu.exe"' (with hidden window)

Executes the following

'%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 3 & del "<Full path to file>"
'%WINDIR%\syswow64\ping.exe' 127.0.0.1 -n 3
'%WINDIR%\syswow64\cmd.exe' /c taskkill /f /im chrome.exe
'%ProgramFiles(x86)%\mozilla firefox\firefox.exe'
'%WINDIR%\syswow64\cmd.exe' /c taskkill /f /im opera.exe
'%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 3 & del "%TEMP%\baidu.exe"
'%WINDIR%\syswow64\rundll32.exe'
'%WINDIR%\syswow64\xcopy.exe' "%LOCALAPPDATA%\Google\Chrome\User Data" "%TEMP%\1600144008572\" /e
'%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --window-position=0,-5000 --user-data-dir="%TEMP%\1600144008572" http://www.in####stvideo.com/video1.php
'%ProgramFiles(x86)%\google\chrome\application\chrome.exe' --type=gpu-process --channel="2900.0.1724709015\73253582" --user-data-dir="%TEMP%\1600144008572" --supports-dual-gpus=false --gpu-driver-bug-workarounds=1,19,42 --gpu-vendor-id=0x0000 --gpu-dev...

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