Analysis
- max time kernel
149s - max time network
151s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
10/09/2026, 19:56
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
lc1(4).exe
Resource
win10ltsc2021-20260513-en
windows10-ltsc_2021-x64
33 signatures
150 seconds
Behavioral task
behavioral2
Sample
lc1(4).exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
36 signatures
150 seconds
General
- Target lc1(4).exe
- Size 12.7MB
- Sample260910-yn248axybz
- SHA256 8af1a173db1d008e34a4c92afba33dd0def7b58880ee63626dec64355ce72f68
- MD5 87c5ec05ae6b4aef59883c4ef42c0e66
- SHA1 5498f11db4de1bb86e56079fd78902284a85dbfa
- SHA512 b5abf63d2a4d634078393e6720c8163adee61b875dd97ab0336e61c4d9df9ad02fb2208962f3a6d055ba5c23ac918ec4201e8447573b940a89c446eadba30ee5
- SSDEEP 49152:DJhuYE4KPTw++1Zzzs6fOCuEMr/KsaYgNBeESXZO6i43dNhpeF08eI0/SMASBR06:DJhuYlKL8JOCuEMrKsa1JuZ
- TLSH T1D8D6F93479EB185DB3A79A9E4BD9B5EE5D1EF363230B21B82070334B83129418DE5B35
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral1/memory/3456-0-0x0000000000190000-0x0000000000E4A000-memory.dmp disable_win_def - Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Windows\\system32\\winlogon_fix.exe\"" lc1(4).exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" def_none.exe - Modifies Windows Defender Real-time Protection settings 3 TTPs 18 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\RealTimeScanDirection = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableInformationProtectionControl = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRawWriteNotification = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIntrusionPreventionSystem = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRawWriteNotification = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\IOAVMaxSize = "1" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" def_none.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "4" def_none.exe - Modifies Windows Defender notification settings 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender Security Center\Notifications\DisableEnhancedNotifications = "1" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender Security Center\Notifications def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableEnhancedNotifications = "1" def_none.exe - Modifies firewall policy service 3 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0" def_none.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PrivateProfile def_none.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PrivateProfile\EnableFirewall = "0" def_none.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile def_none.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\EnableFirewall = "0" def_none.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile def_none.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" def_none.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile def_none.exe - Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WinDefend\Start = "3" def_none.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" def_none.exe - UAC bypass 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" lc1(4).exe - Modifies boot configuration data using bcdedit 1 TTPs 13 IoCs
pid Process 3772 bcdedit.exe 5048 bcdedit.exe 1916 bcdedit.exe 1092 bcdedit.exe 5068 bcdedit.exe 4596 bcdedit.exe 4444 bcdedit.exe 3760 bcdedit.exe 5000 bcdedit.exe 2672 bcdedit.exe 1060 bcdedit.exe 2228 bcdedit.exe 4860 bcdedit.exe - Renames multiple (69) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" lc1(4).exe - Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\Windows\System32\drivers\etc\hosts.n4an_backup lc1(4).exe File opened for modification C:\Windows\System32\drivers\etc\hosts lc1(4).exe - Event Triggered Execution: Image File Execution Options Injection 1 TTPs 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\lusrmgr.msc lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpDefenderCoreService.exe def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SecurityHealthService.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\secpol.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\eventvwr.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ntmsmgr.msc lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpDlpService.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\smartscreen.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SecurityHealthService.exe def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\powershell.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\procmon.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\perfmon.msc lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\comexp.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\powershell.exe lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsmgmt.msc lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\dfrg.msc lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SecurityHealthHost.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\procexp.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedt32.exe lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\devmgmt.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\diskmgmt.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpDefenderCoreService.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ConfigSecurityPolicy.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ntmsmgr.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\perfmon.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cmd.exe lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SgrmLpac.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\procexp.exe lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\NisSrv.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedt32.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\gpedit.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\secpol.msc lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpDlpCmd.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SgrmBroker.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cmd.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmc.exe lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\procmon.exe lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\gpedit.msc lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\eventvwr.msc lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\lusrmgr.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SgrmBroker.exe def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmc.exe\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\compmgmt.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskschd.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCopyAccelerator.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\smartscreen.exe def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\control.exe lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\services.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskschd.msc lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\certmgr.msc lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\azman.msc lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\dfrg.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\certmgr.msc\Debugger = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper_ncrypt.jpg" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCopyAccelerator.exe def_none.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4146128427-3460078792-3629963422-1000\Control Panel\International\Geo\Nation lc1(4).exe - Executes dropped EXE 2 IoCs
pid Process 1688 def_none.exe 2424 def_none.exe - Impair Defenses: Safe Mode Boot 1 TTPs 1 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SYSTEM\CONTROLSET001\CONTROL\SAFEBOOT\MINIMAL\WINDEFEND def_none.exe - Windows security modification 2 TTPs 13 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\MpEngine def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\UX Configuration def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\UX Configuration\DisablePrivacyMode = "1" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "4" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\MpEngine\MpCloudBlockLevel = "0" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\MpEngine\MpBafsExtendedTimeout = "50" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\ServiceStartStates = "0" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\IsServiceRunning = "0" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\DisableAntiSpyware = "1" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Real-Time Protection def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtectionSource = "2" def_none.exe - Adds Run key to start application 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\WINDOWS = "\"C:\\Windows\\system32\\winlogon_fix.exe\" --wininit" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsInstaller = "\"C:\\Windows\\system32\\winlogon_fix.exe\" -startup" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSEdgeUpdateX = "\"C:\\Windows\\system32\\winlogon_fix.exe\"" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\System3264Wow = "\"C:\\Windows\\system32\\winlogon_fix.exe\" --init" lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\OneDrive10293 = "\"C:\\Windows\\system32\\winlogon_fix.exe\" /setup" lc1(4).exe - Checks whether UAC is enabled 1 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" lc1(4).exe - Looks up external IP address via web service 1 TTPs 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 api.ipify.org 14 api.ipify.org - Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\system32\def_none.exe lc1(4).exe File created C:\Windows\system32\winlogon_fix.exe lc1(4).exe File opened for modification C:\Windows\system32\winlogon_fix.exe lc1(4).exe File opened for modification C:\Windows\system32\config\reagent_backup.dat lc1(4).exe File opened for modification C:\Windows\system32\Recovery\ReAgent.xml ReAgentc.exe File opened for modification C:\Windows\system32\Recovery ReAgentc.exe File created C:\Windows\system32\def_none.exe lc1(4).exe - Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\Logs\ReAgent\ReAgent.log ReAgentc.exe File opened for modification C:\Windows\Panther\UnattendGC\setuperr.log ReAgentc.exe File opened for modification C:\Windows\Panther\UnattendGC\diagerr.xml ReAgentc.exe File opened for modification C:\Windows\Panther\UnattendGC\diagwrn.xml ReAgentc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Kills process with taskkill 1 IoCs
pid Process 2368 taskkill.exe - Modifies data under HKEY_USERS 50 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion def_none.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Notifications def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft def_none.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1" def_none.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\PhishingFilter def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion def_none.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Notifications\Settings\Windows.Defender def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "NisSrv.exe" def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "MpDefenderCoreService.exe" def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "smartscreen.exe" def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "SecurityHealthHost.exe" def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft def_none.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Notifications\Settings\Windows.SystemToast.SecurityAndMaintenance def_none.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\AppHost\PreventOverride = "0" def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "SgrmLpac.exe" def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "SecurityHealthService.exe" def_none.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\PhishingFilter\PreventOverride = "0" def_none.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Notifications\Settings\Windows.SystemToast.SecurityAndMaintenance\Enabled = "0" def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "MpCmdRun.exe" def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "MpCopyAccelerator.exe" def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "MpDlpCmd.exe" def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "ConfigSecurityPolicy.exe" def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows def_none.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\PhishingFilter\EnabledV9 = "0" def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "MpDlpService.exe" def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software def_none.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Notifications\Settings\Windows.SystemToast.SecurityCenter\Enabled = "0" def_none.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows Script\Settings\AmsiEnable = "0" def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "SgrmBroker.exe" def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\MicrosoftEdge\PhishingFilter def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Notifications\Settings def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "MsMpEng.exe" def_none.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\AppHost def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows Script\Settings def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Notifications\Settings\Windows.SystemToast.SecurityAndMaintenance def_none.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Notifications\Settings\Windows.SystemToast.SecurityCenter def_none.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Notifications\Settings\Windows.Defender\Enabled = "0" def_none.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\AppHost\EnableWebContentEvaluation = "0" def_none.exe - Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\EPP def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\EPP\ def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\EPP def_none.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\EPP\ def_none.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe 3456 lc1(4).exe - Suspicious use of AdjustPrivilegeToken 44 IoCs
description pid Process Token: SeDebugPrivilege 3456 lc1(4).exe Token: SeDebugPrivilege 2368 taskkill.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe Token: SeTakeOwnershipPrivilege 2424 def_none.exe Token: SeRestorePrivilege 2424 def_none.exe Token: SeBackupPrivilege 2424 def_none.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3456 lc1(4).exe - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3456 wrote to memory of 2368 3456 lc1(4).exe 91 PID 3456 wrote to memory of 4264 3456 lc1(4).exe 93 PID 3456 wrote to memory of 3772 3456 lc1(4).exe 95 PID 3456 wrote to memory of 5048 3456 lc1(4).exe 96 PID 3456 wrote to memory of 1916 3456 lc1(4).exe 99 PID 3456 wrote to memory of 4596 3456 lc1(4).exe 101 PID 3456 wrote to memory of 5068 3456 lc1(4).exe 102 PID 3456 wrote to memory of 1092 3456 lc1(4).exe 103 PID 3456 wrote to memory of 4860 3456 lc1(4).exe 104 PID 3456 wrote to memory of 2228 3456 lc1(4).exe 106 PID 3456 wrote to memory of 1060 3456 lc1(4).exe 107 PID 3456 wrote to memory of 4444 3456 lc1(4).exe 113 PID 3456 wrote to memory of 2672 3456 lc1(4).exe 114 PID 3456 wrote to memory of 5000 3456 lc1(4).exe 115 PID 3456 wrote to memory of 3760 3456 lc1(4).exe 116 PID 3456 wrote to memory of 1688 3456 lc1(4).exe 122 PID 2424 wrote to memory of 5024 2424 def_none.exe 127 PID 2424 wrote to memory of 3340 2424 def_none.exe 129 PID 2424 wrote to memory of 1280 2424 def_none.exe 131 PID 2424 wrote to memory of 3580 2424 def_none.exe 133 PID 2424 wrote to memory of 3552 2424 def_none.exe 135 - System policy modification 1 TTPs 21 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\NoClose = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCAD = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableChangePassword = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\NoChangePassword = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDevMgrUpdate = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\HideFastUserSwitching = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoControlPanel = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoViewContextMenu = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoMsConfig = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\NoLogoff = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ShutdownWithoutLogon = "0" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableLockWorkstation = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoClose = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoLogoff = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoRestart = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoShutDown = "1" lc1(4).exe - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\lc1(4).exe"C:\Users\Admin\AppData\Local\Temp\lc1(4).exe"1⤵
- Modifies WinLogon for persistence
- Modifies Windows Defender DisableAntiSpyware settings
- Modifies Windows Defender Real-time Protection settings
- UAC bypass
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Event Triggered Execution: Image File Execution Options Injection
- Checks computer location settings
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3456 -
C:\Windows\SYSTEM32\taskkill.exetaskkill.exe /im Explorer.exe /f2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2368
-
-
C:\Windows\System32\ReAgentc.exe"C:\Windows\System32\ReAgentc.exe" /disable2⤵
- Drops file in System32 directory
- Drops file in Windows directory
PID:4264
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {default} recoveryenabled No2⤵
- Modifies boot configuration data using bcdedit
PID:3772
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {default} bootstatuspolicy ignoreallfailures2⤵
- Modifies boot configuration data using bcdedit
PID:5048
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {current} recoveryenabled false2⤵
- Modifies boot configuration data using bcdedit
PID:1916
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {current} optionsedit false2⤵
- Modifies boot configuration data using bcdedit
PID:4596
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {current} advancedoptions false2⤵
- Modifies boot configuration data using bcdedit
PID:5068
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {current} bootmenupolicy legacy2⤵
- Modifies boot configuration data using bcdedit
PID:1092
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {bootmgr} bootsequence {current}2⤵
- Modifies boot configuration data using bcdedit
PID:4860
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {bootmgr} timeout 02⤵
- Modifies boot configuration data using bcdedit
PID:2228
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {bootmgr} displaybootmenu no2⤵
- Modifies boot configuration data using bcdedit
PID:1060
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {bootmgr} displayorder {default} /addfirst2⤵
- Modifies boot configuration data using bcdedit
PID:4444
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {fwbootmgr} displayorder {bootmgr} /addfirst2⤵
- Modifies boot configuration data using bcdedit
PID:2672
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {current} safeboot No2⤵
- Modifies boot configuration data using bcdedit
PID:5000
-
-
C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {bootmgr} removeoptions2⤵
- Modifies boot configuration data using bcdedit
PID:3760
-
-
C:\Windows\system32\def_none.exe"C:\Windows\system32\def_none.exe"2⤵
- Executes dropped EXE
PID:1688
-
-
C:\Windows\system32\def_none.exe"C:\Windows\system32\def_none.exe" -s -worker -tilog1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Modifies Windows Defender Real-time Protection settings
- Modifies Windows Defender TamperProtection settings
- Modifies Windows Defender notification settings
- Modifies firewall policy service
- Modifies security service
- Event Triggered Execution: Image File Execution Options Injection
- Executes dropped EXE
- Impair Defenses: Safe Mode Boot
- Windows security modification
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /DISABLE2⤵PID:5024
-
-
C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /DISABLE2⤵PID:3340
-
-
C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /DISABLE2⤵PID:1280
-
-
C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\Windows Defender\Windows Defender Verification" /DISABLE2⤵PID:3580
-
-
C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /DISABLE2⤵PID:3552
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x48c 0x3f01⤵PID:2116
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
6Windows Service
6Event Triggered Execution
1Image File Execution Options Injection
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
6Windows Service
6Event Triggered Execution
1Image File Execution Options Injection
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
8Disable or Modify System Firewall
1Disable or Modify Tools
6Safe Mode Boot
1Modify Registry
11Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\defender-control\last-run.log
- Size 1KB
- SHA256 30add380e48827d94c79800abc133ef32179ce13b6e3edc81be19b8b57f220c2
- MD5 fcf39d86e1b1d4df726d1f43d916da9c
- SHA1 446e31f32273b8112cf66bd7641e38313b5a9f97
- SHA512 253db279731051178285b553efc8c2f738f25c89fdd77daeeb357d017144cfd89540a038ebbc9941dc93de99522a6c09c03e1c292dde53ec7f7a21cee31e8c4a
- TLSH T14C315E2059BAD2E161B35482B39E2E831F17D1576F3B2026B2D1122EFCE311E117EF99
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\wallpaper_ncrypt.jpg
- Size 174KB
- SHA256 d301eb64ec3b61091a3e6ee997bf8d114f3e6c5eda46afd6a8d23ad78459ea82
- MD5 b3b323be74b228e9a547f37622af266b
- SHA1 35d656234e3de2f65c2a9c9b37f864eaa5e3104f
- SHA512 0a65b61cb4414921a1c2f69e69b3462b219c03c2a0b96a3b4f5e358be72c8f357423ace0f3c8cbe5b1b21e82e0c17cd1e98dfba923487dda8df0024ef454f191
- SSDEEP 3072:P/dxtnCBOYinwq34BHBcd/E63lUM629CeXqmUNkhpnaewa+ut6ZHgRxd49Sp:P1xtnr33Cr63lU329CeXKNkhpnaMFsgd
- TLSH T172045B1398049B82A17992E8FD170FAC1F592F0CE5D23AFF05235E8B3A617365D9E12D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\Downloads\readme.txt
- Size 1KB
- SHA256 dc0f4e841f83fac37765278665a4a18caa9c414cd486a3562fbceeb532658965
- MD5 a28940fd6206f5b8990a7b774ff9695c
- SHA1 7a3d8493f71529f99a59df5d4ed1441de7016afa
- SHA512 ef96a6d9a05f2d74f8642224e0fc62e8b82ef72b2a563d7afce157449d1e4ea2c7f621bd2accad5ebd3d3a8c5a7ad7c2bf8b1e0a2da9412761c75e13ad12b647
- TLSH T13511787E119271D67408E84FDC64F50924E771BFABAB13C314D968193EE027CA738219
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\System32\def_none.exe
- Size 280KB
- SHA256 897307c0487c3f7376eedf6b3f999559e0aa16855571f30aef4621583f7ff46e
- MD5 0497ba3a1c59ea1962f614e9acc8d57f
- SHA1 1e418cedaddfb827e4d04423aa64aefa0967f0e8
- SHA512 b09364147122589435e0c2e780f49aa16ab1991682ecb6270ca5b052fb4ebbff45cc1761b8a509080c1136c0d2b0eb014cb7ecf5df8de268b56665f9fd62a275
- SSDEEP 6144:lWRbN0Tc76mRE84jtv5Ewsg8jKM74mLvezQjjOQ7:lWRbNkcHQBEPg0KMFGQjN7
- TLSH T165544B25A7E805F9F67BC67CCDA25901EE72BC064B60E9DF039049561E33AD09E3D722
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System32\drivers\etc\hosts
- Size 24KB
- SHA256 3bfd42e6bda96cba9a2d066ff4bf7646611519dfb89c1fed00a983300f471f93
- MD5 41cad748e5d9412414e43d1ab7bff092
- SHA1 241839b458bfaaa5b02b1243f022fc35f3d6b8ad
- SHA512 a127e174cbeecdb008cce51b2f85ce434520d497add48bb0734164f9fa6d0ffd256cf218afb42e25e24346cfa880c0ca89232be83791d699ce66f0cbee6afc3c
- SSDEEP 192:RrK9zBVfK0+TF1H/Q+sMt3mijYFCdSQiw3Lz/0kfd5b9rorz0n0eVtTCTJE/TJq/:RrK9y0SfNPhj33//f320n0eVtTCTJEV6
- TLSH T192B234664689C1FD56BAD055926EA36FE00FF2F308C3E9D90498C75E72701AD39C70AE
- MD5 SHA1 SHA512 SSDEEP TLSH