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Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07/11/2022, 04:31
Behavioral task
behavioral1
Sample
Trojan-Ransom.Win32.Blocker.exe
Resource
win7-20220812-en
General
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Target
Trojan-Ransom.Win32.Blocker.exe
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Size
802KB
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MD5
2558f8a8234fc3e4db65a9c412d437b7
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SHA1
972875b6ed00a202e0bb525cd5a9e6a7bef27322
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SHA256
eb6d8fc63554f3f02119dcf03ba021451f9ee21c63c8075111299709ac144d6b
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SHA512
a764bf045386a3f4ad10160714db7f8a7be227bf88a54e33da09e43cb1200c18898376b4f71a1499214c43492ff0c15c072d28452e1b261275631d78e6fa42ab
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SSDEEP
1536:+EfFNvtgmAl7z5dKY6yuJPW8K43w9NXOM1aRl/i6JWT0S9yXnBibnouy8gHn2JX:+YLmGO4W849NXO9RlK6gOxiDouto2N
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 14 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile winlogon.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\DoNotAllowExceptions = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List winlogon.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-15152084" winlogon.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet002\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-77356796" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications winlogon.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-6239485" winlogon.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\EnableFirewall = "0" winlogon.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-99414413" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List winlogon.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\DisableNotifications = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" winlogon.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" winlogon.exe -
Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "3" winlogon.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" winlogon.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "1" winlogon.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" winlogon.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" winlogon.exe -
Disables Task Manager via registry modification
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Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts winlogon.exe -
Executes dropped EXE 2 IoCs
pid Process 1708 winlogon.exe 1688 winlogon.exe -
Sets file execution options in registry 2 TTPs 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vsmon.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgcc32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avpdos32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avwinnt.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\outpost.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\portmonitor.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sphinx.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sysdoc32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\drweb32.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\lockdown.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navengnavex15.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wmiav.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tmlisten.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccsetmgr.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\icmoon.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navauto-protect.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sd.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Filemon.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Netscape.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsav.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsav32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\naveng.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\spyxx.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\dumphive.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avnotify.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avkpop.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\lockdown2000.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\poproxy.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tbscan.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\trjsetup.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cfinet32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\netutils.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nwservice.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\panixk.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\guardgui.exe winlogon.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\WINWORD.EXE winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\apvxdwin.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\killprocesssetup161.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mpfservice.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mspatch.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vcleaner.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wmias.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fa-setup.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\connectionmonitor.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\purge.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tbscan.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cfgwiz.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mcshield.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nvapsvc.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vir-help.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Filemon.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cfinet32.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mgavrte.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ewido.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\alertsvc.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cleaner.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mghtml.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\smc.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\luspt.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\portmon.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe -
resource yara_rule behavioral1/files/0x000900000001267a-57.dat upx behavioral1/files/0x000900000001267a-58.dat upx behavioral1/files/0x000900000001267a-60.dat upx behavioral1/memory/536-61-0x0000000000400000-0x0000000000447000-memory.dmp upx behavioral1/files/0x000900000001267a-64.dat upx behavioral1/memory/1708-66-0x0000000000400000-0x0000000000447000-memory.dmp upx behavioral1/memory/1688-67-0x0000000000400000-0x000000000043F000-memory.dmp upx behavioral1/files/0x000900000001267a-69.dat upx behavioral1/memory/1688-71-0x0000000000400000-0x000000000043F000-memory.dmp upx behavioral1/memory/1688-72-0x0000000000400000-0x000000000043F000-memory.dmp upx behavioral1/memory/1688-76-0x0000000000400000-0x000000000043F000-memory.dmp upx behavioral1/memory/1688-86-0x0000000000400000-0x000000000043F000-memory.dmp upx -
Loads dropped DLL 2 IoCs
pid Process 536 Trojan-Ransom.Win32.Blocker.exe 536 Trojan-Ransom.Win32.Blocker.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\SymantecFirewall\DisableMonitoring = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "0" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\SymantecAntiVirus winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\SymantecAntiVirus\DisableMonitoring = "1" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\SymantecFirewall winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\cval = "1" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\InternetSettingsDisableNotify = "1" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\DisableMonitoring = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpyWareDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" winlogon.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1708 set thread context of 1688 1708 winlogon.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\Sound winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\Sound\Beep = "no" winlogon.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://45yw89td0q391qv.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374564163" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.hugedomains.com\ = "32" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\hugedomains.com\Total = "32" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A945E8F1-5E5D-11ED-8716-EAF6071D98F9} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\hugedomains.com IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Download winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.google.com\ = "25" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Disable Script Debugger = "Yes" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Local Page = "http://4zr35oc60q7e716.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://b2s3l6ta796818d.directorio-w.com" winlogon.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "1" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Local Page = "http://00dlo2de86us61p.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Search Page = "http://7o9d1ln8otyd178.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000062e6ef0d45f4454ab79548c962d74cdf00000000020000000000106600000001000020000000ebdda09ea94d5b898b91a3ab092b71fdbec0fcc3b5aa9435f065eed947291e19000000000e80000000020000200000006388e9fa8b638d4f5bc387434542b665a51ff02090fe3d70efa518065871e0c890000000d1c18798182cb4d71635a68b9bfb86270166d3aafe33d05bdd7901d5bfd329eca5b105f44a0cdecd008a1f29abb6d23bec95080eb8316963c6cb077d7eb4124676636887f38ab1abd33a3eebef7c33ac351e27824cadf8a12ef348fc795694bdd80469a9c3bedb038b9f8ea6fe69a039ba106c1ed064d1c2acea33b991fcc5d7d27768cec2b758078ba5c1110d0cb09940000000d33ecb649c38c11ebc04147ad1c3a8d022570cbd308727f61735ffb1614972050682dccf536ff1d5f0f729024839180bb6e376da76ee2b31b66ab48d9e5765f9 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\google.com IEXPLORE.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://y6bxw10keb7q211.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Page = "http://2etb6d375xk7y65.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Search_URL = "http://1p60t0a001o2225.directorio-w.com" winlogon.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\google.com\Total = "25" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000062e6ef0d45f4454ab79548c962d74cdf00000000020000000000106600000001000020000000af8691c9cfa03397ac649232c508ded8f40ce90b1711a1323ad2c373af379ca9000000000e8000000002000020000000e9411d7258dacccb4cad124b4125e5ce9d9fdad513ac6d1a8f3a19ae65af69a42000000076d89b8fd885939e00268981e0e9b89ee4445e358a40fc4b0b9e761ae2676e8340000000b82a572eed4deb33733636caf6b4d4c85a33ce466ea4eef41cba6d77a683f723152b854288098958fe37e49017259949af128f9e7d09993a9a112e5209736483 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0f6926e6af2d801 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "32" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\google.com\NumberOfSubdomains = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\hugedomains.com\NumberOfSubdomains = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.hugedomains.com IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "57" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.google.com IEXPLORE.EXE -
Modifies Internet Explorer start page 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://13dk92nc3z44eyr.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://qlc33f26e92k3ah.directorio-w.com" winlogon.exe -
Modifies registry class 24 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\command winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec\Application winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec\Application winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec\Application\ = "IExplore" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec\Application winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\command winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec\Application\ = "IExplore" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec\Application\ = "IExplore" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\command winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec winlogon.exe -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 winlogon.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 1900000001000000100000002aa1c05e2ae606f198c2c5e937c97aa2030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e3491d00000001000000100000002e0d6875874a44c820912e85e964cfdb140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b40b00000001000000180000004300b7004f00b7004d00b7004f00b7004400b7004f00000053000000010000002600000030243022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 winlogon.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 winlogon.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe 1688 winlogon.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeBackupPrivilege 1688 winlogon.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 872 iexplore.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 536 Trojan-Ransom.Win32.Blocker.exe 1708 winlogon.exe 1688 winlogon.exe 872 iexplore.exe 872 iexplore.exe 776 IEXPLORE.EXE 776 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 536 wrote to memory of 1708 536 Trojan-Ransom.Win32.Blocker.exe 28 PID 536 wrote to memory of 1708 536 Trojan-Ransom.Win32.Blocker.exe 28 PID 536 wrote to memory of 1708 536 Trojan-Ransom.Win32.Blocker.exe 28 PID 536 wrote to memory of 1708 536 Trojan-Ransom.Win32.Blocker.exe 28 PID 1708 wrote to memory of 1688 1708 winlogon.exe 31 PID 1708 wrote to memory of 1688 1708 winlogon.exe 31 PID 1708 wrote to memory of 1688 1708 winlogon.exe 31 PID 1708 wrote to memory of 1688 1708 winlogon.exe 31 PID 1708 wrote to memory of 1688 1708 winlogon.exe 31 PID 1708 wrote to memory of 1688 1708 winlogon.exe 31 PID 1708 wrote to memory of 1688 1708 winlogon.exe 31 PID 1708 wrote to memory of 1688 1708 winlogon.exe 31 PID 1708 wrote to memory of 1688 1708 winlogon.exe 31 PID 872 wrote to memory of 776 872 iexplore.exe 33 PID 872 wrote to memory of 776 872 iexplore.exe 33 PID 872 wrote to memory of 776 872 iexplore.exe 33 PID 872 wrote to memory of 776 872 iexplore.exe 33 -
System policy modification 1 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" winlogon.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe"C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Users\Admin\E696D64614\winlogon.exe"C:\Users\Admin\E696D64614\winlogon.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Users\Admin\E696D64614\winlogon.exe"C:\Users\Admin\E696D64614\winlogon.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Executes dropped EXE
- Sets file execution options in registry
- Windows security modification
- Checks whether UAC is enabled
- Modifies Control Panel
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies registry class
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:1688
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:872 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:872 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:776
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD50774dce1dca53ce5c4f06846dc34a01a
SHA1b66a92ae7ae2abc81921ed83fea0886c908b14b3
SHA256653df1e7ee6eb78011d131d41eebad55a6b11e14073ac204587960c404d2300f
SHA51243582562e20238142d801d97dee6efff1213d38506dc8e21001517d799e52c5157a0ce814e29045fb267200878e964f04d05bb209ac738d510b48ebd689b82e2
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Filesize
506B
MD522db3443f221b086f840218d225f2022
SHA14a35ee8d995bbcc83574c40a903b1bab8b423971
SHA25695e922c6c42410618d5e661acc9baba97b7859948445875faa0d200fd7f84a28
SHA51280107909b1f4df9fa517e24e6be032180641bf7ace8649ccf76368361e8238b630aa796c8fdf92637250d1ad59d54c78221b1a539e9ddfa1c48260b8b7a94c77
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5be2b5211e42eb9225d21358e7eb3f78f
SHA135b1ab3adde0a5f3cad8862897f1ea7a86946349
SHA2563185aa19aba785efc822b72e3f2959e07343c1935f8f2b46a4438060763c9111
SHA5129b20c8dceb160aad20de302c2589b86fae64f7842b370812fd8baba3e8154a357c0a1c282ea95fbc5406ab093593637929edaf83c42e19c7b6a011d286b06b6a
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Filesize
472B
MD5348f6c5d513404b3c3c6c27f3de2dfdf
SHA1acb18df838bf8ddb2667e944a82b2930bdecfad8
SHA256a46606d9bc72c7330fff6849e1caa6c773c79d66236549408380362d28d892a1
SHA51279dd389bc9a05312290bf69386faa56fd5a6515a0efd7685249831732f6a7c948ac41f288e038a65929e1b56f8fc615db12b7d3955a5e3279ebc8895fd150cab
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD5c368202c3a3d17a888d4f172ba2244ea
SHA15bbf51fe9cbbdde4a3f4d65424b273838f8fae32
SHA256af2c1ed3e2c4cac788addd3c2c36c222dee6796b8ab78bc4da99794ce2557621
SHA5123bebcb9e81dfa0c195abcb5541f0d4186c58e7c02b3c5ca65d153bfafd990d2f8b5c1446aa880871cbcaf65f4d40ba160d62ea35ce624e449e75fac9daed39cf
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\572BF21E454637C9F000BE1AF9B1E1A9
Filesize248B
MD5439eff470a1707e99b59c1316546979c
SHA1256b578d9f686f9ac0a0ad9ec5dad2af3deea5ca
SHA25627cb58fca6408d8388148f9dfb0bdad616b90d611fc02f954f0e618b68083c86
SHA5120cd67e02b1859a0521d24a03c72cd236bc20b8d46a59226c6208e2192e7cdd4a33ced90304ddfc7a6681af1a57b408107e966749378f39a59554245364cd30f8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize340B
MD5f5219ee5354e700b856b55ee533f45d9
SHA1e37b9318c51fc50f586b1e8b0c727aed8f765ba7
SHA2565638c31b5eea8280a86f4bd72065df8c228009c61fb58659d8523d62c19adaf4
SHA512bbb6836f0d9bb8731b1fc9cbc07d81297817530862b6ed0263c99f5a3a7a0ce119362c9041f43b63a6187476ca77401a3f0d74d3691fcfa216c4ced6340381db
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD53a872cb8d765d30c06d3cb17aa3c4405
SHA1b068c800eba92efb7cdc496aff6deb98abf66c72
SHA2569c18272af72a24cdbf6dc22112313c6569b3c6817d5ac61d621a7b40e6914cbb
SHA512fcab9ac7916b644472dd3a11ed410917df1954c238545204a49c3d4ae1c9818e8cc16f42fc8207eec93e96711b5f2d6396d44666d42ae5f3e7409d2bce70f1b1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C67047FE238D580B731A13BEA5F7481F
Filesize480B
MD586a8257da7df8c5036b3e2da576acec9
SHA1ef1a3b16818c129e232b68f5dff345f27bceba5c
SHA25681b2b0b3029ecee398a49624cce0f945c9d744d45ea84b6c7f1f35566d4bcc3c
SHA512293b2231af8728c68fd39e405a43eaf741b97f8a4b671e49c4b34eb51ac11c65d7344a620eceab2c81be8a5d2b92d4880a11413eeecf69cf28815255936c5b1f
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Filesize
608B
MD52e42ea0b4491253c264a3fa324aac16a
SHA187201a8d2e135af3a615c05999f38e317d468b3d
SHA256eb4284241fa925f601831b5327d6181ce077bc20ae7158f8a454f5e8e84f69f3
SHA512423ccfc9ea29131b62c10101f93613838fda703083871cd34f5e2cbbbc59149e97a1abe6c07e9c48d999f409c39cb7d9ecbd0e0ffa878e3f7195a2d696e5bd65
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Filesize
96B
MD568869cf24d66b7c9c8110b2f063ec0e5
SHA1fa2e25642c176a06618dd5dd84b2f43b343bacf2
SHA256d5600b5e0d69f2a3ac8993a1ea210de89d22130c9e9aa0213fdcc82e19289983
SHA5122e7c936e2e445102566132132e98001efb42a400b2b99d1342ee9a2a0368b11855494b675052f71fe20d7887e6ca61a9a37e8f8dee181722883b9725cedd7eea
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Filesize
802KB
MD52558f8a8234fc3e4db65a9c412d437b7
SHA1972875b6ed00a202e0bb525cd5a9e6a7bef27322
SHA256eb6d8fc63554f3f02119dcf03ba021451f9ee21c63c8075111299709ac144d6b
SHA512a764bf045386a3f4ad10160714db7f8a7be227bf88a54e33da09e43cb1200c18898376b4f71a1499214c43492ff0c15c072d28452e1b261275631d78e6fa42ab
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Filesize
802KB
MD52558f8a8234fc3e4db65a9c412d437b7
SHA1972875b6ed00a202e0bb525cd5a9e6a7bef27322
SHA256eb6d8fc63554f3f02119dcf03ba021451f9ee21c63c8075111299709ac144d6b
SHA512a764bf045386a3f4ad10160714db7f8a7be227bf88a54e33da09e43cb1200c18898376b4f71a1499214c43492ff0c15c072d28452e1b261275631d78e6fa42ab
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Filesize
802KB
MD52558f8a8234fc3e4db65a9c412d437b7
SHA1972875b6ed00a202e0bb525cd5a9e6a7bef27322
SHA256eb6d8fc63554f3f02119dcf03ba021451f9ee21c63c8075111299709ac144d6b
SHA512a764bf045386a3f4ad10160714db7f8a7be227bf88a54e33da09e43cb1200c18898376b4f71a1499214c43492ff0c15c072d28452e1b261275631d78e6fa42ab
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Filesize
802KB
MD52558f8a8234fc3e4db65a9c412d437b7
SHA1972875b6ed00a202e0bb525cd5a9e6a7bef27322
SHA256eb6d8fc63554f3f02119dcf03ba021451f9ee21c63c8075111299709ac144d6b
SHA512a764bf045386a3f4ad10160714db7f8a7be227bf88a54e33da09e43cb1200c18898376b4f71a1499214c43492ff0c15c072d28452e1b261275631d78e6fa42ab
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Filesize
802KB
MD52558f8a8234fc3e4db65a9c412d437b7
SHA1972875b6ed00a202e0bb525cd5a9e6a7bef27322
SHA256eb6d8fc63554f3f02119dcf03ba021451f9ee21c63c8075111299709ac144d6b
SHA512a764bf045386a3f4ad10160714db7f8a7be227bf88a54e33da09e43cb1200c18898376b4f71a1499214c43492ff0c15c072d28452e1b261275631d78e6fa42ab