Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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 behavioral2/memory/2984-2-0x00000000006E0000-0x000000000139A000-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\DisableRawWriteNotification = "1" lc1(4).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\DisableScanOnRealtimeEnable = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\IOAVMaxSize = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" lc1(4).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\DisableOnAccessProtection = "1" def_none.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\DisableInformationProtectionControl = "1" def_none.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection 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\DisableBehaviorMonitoring = "1" def_none.exe 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\DisableRawWriteNotification = "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\DisableOnAccessProtection = "1" lc1(4).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 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 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 - Modifies firewall policy service 3 TTPs 8 IoCs
description ioc Process 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 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 - 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\EnableLUA = "0" 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\System\PromptOnSecureDesktop = "0" lc1(4).exe - Modifies boot configuration data using bcdedit 1 TTPs 13 IoCs
pid Process 1752 bcdedit.exe 1280 bcdedit.exe 2472 bcdedit.exe 3536 bcdedit.exe 2424 bcdedit.exe 1504 bcdedit.exe 5596 bcdedit.exe 5464 bcdedit.exe 2416 bcdedit.exe 4572 bcdedit.exe 2040 bcdedit.exe 3116 bcdedit.exe 5368 bcdedit.exe - Renames multiple (92) 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 - Disables one or more Microsoft Defender components 1 TTPs 2 IoCs
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
pid Process 5908 powershell.exe 2440 powershell.exe - Drops file in Drivers directory 2 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts lc1(4).exe File created C:\Windows\System32\drivers\etc\hosts.n4an_backup 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\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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\certmgr.msc 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\MpDefenderCoreService.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 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 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\secpol.msc 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\lusrmgr.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\MpCmdRun.exe def_none.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\regedit.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\MpDlpService.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cmd.exe 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\gpedit.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\dfrg.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 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\SecurityHealthService.exe def_none.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\procexp.exe 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MsMpEng.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.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\control.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\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\devmgmt.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\rsop.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\comexp.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 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\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\diskmgmt.msc lc1(4).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsmgmt.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\azman.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 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\SecurityHealthHost.exe\Debugger = "%SYSTEMROOT%\\System32\\taskkill.exe" def_none.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\control.exe 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\fsmgmt.msc lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rsop.msc lc1(4).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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\procmon.exe 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 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\taskschd.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\NisSrv.exe def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ConfigSecurityPolicy.exe def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\perfmon.msc lc1(4).exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\services.msc 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\SecurityHealthHost.exe def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe lc1(4).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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\compmgmt.msc lc1(4).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 - Executes dropped EXE 4 IoCs
pid Process 3660 023xwr2.exe 5568 def_none.exe 6088 def_none.exe 3516 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 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\TamperProtectionSource = "2" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\MpEngine 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\ServiceStartStates = "0" 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\MpBafsExtendedTimeout = "50" 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\Real-Time Protection\DisableRealtimeMonitoring = "1" def_none.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\UX Configuration 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\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 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 - 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 -
pid Process 5908 powershell.exe 2440 powershell.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 1 api.ipify.org 8 api.ipify.org - Modifies Security services 2 TTPs 1 IoCs
Modifies the startup behavior of a security service.
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SecurityHealthService\Start = "4" def_none.exe - Drops file in System32 directory 7 IoCs
description ioc Process 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 File opened for modification C:\Windows\system32\def_none.exe lc1(4).exe File created C:\Windows\system32\winlogon_fix.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).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1252 cmd.exe - Kills process with taskkill 1 IoCs
pid Process 4268 taskkill.exe - Modifies data under HKEY_USERS 51 IoCs
description ioc Process 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\Windows.Defender 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 def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows 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\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\Settings\Windows.SystemToast.SecurityCenter def_none.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\AppHost def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion 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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE 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 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows Script\Settings def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows Script 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\2 = "MpCmdRun.exe" 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 def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Notifications\Settings 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 def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft 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 def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "ConfigSecurityPolicy.exe" 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\4 = "MpDefenderCoreService.exe" def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion 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\PreventOverride = "0" 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\5 = "MpCopyAccelerator.exe" 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 def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Notifications 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\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 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\Notifications\Settings\Windows.SystemToast.SecurityCenter\Enabled = "0" def_none.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\AppHost\EnableWebContentEvaluation = "0" 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\1 = "MsMpEng.exe" def_none.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "MpDlpCmd.exe" def_none.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes def_none.exe - Modifies registry class 4 IoCs
description ioc Process 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\ContextMenuHandlers\EPP def_none.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe 2984 lc1(4).exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2984 lc1(4).exe Token: SeDebugPrivilege 3660 023xwr2.exe Token: SeImpersonatePrivilege 3660 023xwr2.exe Token: SeDebugPrivilege 5908 powershell.exe Token: SeDebugPrivilege 6088 def_none.exe Token: SeImpersonatePrivilege 6088 def_none.exe Token: SeIncreaseQuotaPrivilege 5908 powershell.exe Token: SeSecurityPrivilege 5908 powershell.exe Token: SeTakeOwnershipPrivilege 5908 powershell.exe Token: SeLoadDriverPrivilege 5908 powershell.exe Token: SeSystemProfilePrivilege 5908 powershell.exe Token: SeSystemtimePrivilege 5908 powershell.exe Token: SeProfSingleProcessPrivilege 5908 powershell.exe Token: SeIncBasePriorityPrivilege 5908 powershell.exe Token: SeCreatePagefilePrivilege 5908 powershell.exe Token: SeBackupPrivilege 5908 powershell.exe Token: SeRestorePrivilege 5908 powershell.exe Token: SeShutdownPrivilege 5908 powershell.exe Token: SeDebugPrivilege 5908 powershell.exe Token: SeSystemEnvironmentPrivilege 5908 powershell.exe Token: SeRemoteShutdownPrivilege 5908 powershell.exe Token: SeUndockPrivilege 5908 powershell.exe Token: SeManageVolumePrivilege 5908 powershell.exe Token: 33 5908 powershell.exe Token: 34 5908 powershell.exe Token: 35 5908 powershell.exe Token: 36 5908 powershell.exe Token: SeDebugPrivilege 2440 powershell.exe Token: SeIncreaseQuotaPrivilege 2440 powershell.exe Token: SeSecurityPrivilege 2440 powershell.exe Token: SeTakeOwnershipPrivilege 2440 powershell.exe Token: SeLoadDriverPrivilege 2440 powershell.exe Token: SeSystemProfilePrivilege 2440 powershell.exe Token: SeSystemtimePrivilege 2440 powershell.exe Token: SeProfSingleProcessPrivilege 2440 powershell.exe Token: SeIncBasePriorityPrivilege 2440 powershell.exe Token: SeCreatePagefilePrivilege 2440 powershell.exe Token: SeBackupPrivilege 2440 powershell.exe Token: SeRestorePrivilege 2440 powershell.exe Token: SeShutdownPrivilege 2440 powershell.exe Token: SeDebugPrivilege 2440 powershell.exe Token: SeSystemEnvironmentPrivilege 2440 powershell.exe Token: SeRemoteShutdownPrivilege 2440 powershell.exe Token: SeUndockPrivilege 2440 powershell.exe Token: SeManageVolumePrivilege 2440 powershell.exe Token: 33 2440 powershell.exe Token: 34 2440 powershell.exe Token: 35 2440 powershell.exe Token: 36 2440 powershell.exe Token: SeDebugPrivilege 4268 taskkill.exe Token: SeSystemEnvironmentPrivilege 1532 svchost.exe Token: SeTakeOwnershipPrivilege 3516 def_none.exe Token: SeRestorePrivilege 3516 def_none.exe Token: SeBackupPrivilege 3516 def_none.exe Token: SeTakeOwnershipPrivilege 3516 def_none.exe Token: SeRestorePrivilege 3516 def_none.exe Token: SeBackupPrivilege 3516 def_none.exe Token: SeTakeOwnershipPrivilege 3516 def_none.exe Token: SeRestorePrivilege 3516 def_none.exe Token: SeBackupPrivilege 3516 def_none.exe Token: SeTakeOwnershipPrivilege 3516 def_none.exe Token: SeRestorePrivilege 3516 def_none.exe Token: SeBackupPrivilege 3516 def_none.exe Token: SeTakeOwnershipPrivilege 3516 def_none.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2984 lc1(4).exe - Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2984 wrote to memory of 3660 2984 lc1(4).exe 88 PID 2984 wrote to memory of 5568 2984 lc1(4).exe 90 PID 2984 wrote to memory of 5908 2984 lc1(4).exe 91 PID 6088 wrote to memory of 1252 6088 def_none.exe 97 PID 2984 wrote to memory of 2440 2984 lc1(4).exe 100 PID 2984 wrote to memory of 4268 2984 lc1(4).exe 102 PID 2984 wrote to memory of 4956 2984 lc1(4).exe 103 PID 2984 wrote to memory of 2472 2984 lc1(4).exe 104 PID 2984 wrote to memory of 1752 2984 lc1(4).exe 105 PID 2984 wrote to memory of 1280 2984 lc1(4).exe 106 PID 2984 wrote to memory of 3536 2984 lc1(4).exe 107 PID 2984 wrote to memory of 2424 2984 lc1(4).exe 108 PID 2984 wrote to memory of 1504 2984 lc1(4).exe 109 PID 2984 wrote to memory of 5596 2984 lc1(4).exe 110 PID 2984 wrote to memory of 5464 2984 lc1(4).exe 111 PID 2984 wrote to memory of 2416 2984 lc1(4).exe 112 PID 2984 wrote to memory of 4572 2984 lc1(4).exe 113 PID 2984 wrote to memory of 2040 2984 lc1(4).exe 114 PID 2984 wrote to memory of 3116 2984 lc1(4).exe 115 PID 2984 wrote to memory of 5368 2984 lc1(4).exe 116 PID 3516 wrote to memory of 1516 3516 def_none.exe 134 PID 3516 wrote to memory of 908 3516 def_none.exe 136 PID 3516 wrote to memory of 2300 3516 def_none.exe 138 PID 3516 wrote to memory of 3176 3516 def_none.exe 140 PID 3516 wrote to memory of 2848 3516 def_none.exe 142 - System policy modification 1 TTPs 21 IoCs
description ioc Process 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\Explorer\NoViewContextMenu = "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\NoClose = "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\NoControlPanel = "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\NoRestart = "1" lc1(4).exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoShutDown = "1" 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\Explorer\NoMsConfig = "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\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\System\DisableRegistryTools = "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\HideFastUserSwitching = "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\ConsentPromptBehaviorAdmin = "0" 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
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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
- 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:2984 -
C:\Users\Admin\AppData\Local\Temp\023xwr2.exe"C:\Users\Admin\AppData\Local\Temp\023xwr2.exe" -kill -paralyze "SecurityHealthService.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3660
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C:\Windows\system32\def_none.exe"C:\Windows\system32\def_none.exe"2⤵
- Executes dropped EXE
PID:5568
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -Command "Set-MpPreference -DisableRealtimeMonitoring $true"2⤵
- Disables one or more Microsoft Defender components
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:5908
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -Command "Set-MpPreference -DisableBehaviorMonitoring $true"2⤵
- Disables one or more Microsoft Defender components
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:2440
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C:\Windows\SYSTEM32\taskkill.exetaskkill.exe /im Explorer.exe /f2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4268
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C:\Windows\System32\ReAgentc.exe"C:\Windows\System32\ReAgentc.exe" /disable2⤵
- Drops file in System32 directory
- Drops file in Windows directory
PID:4956
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {default} recoveryenabled No2⤵
- Modifies boot configuration data using bcdedit
PID:2472
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {default} bootstatuspolicy ignoreallfailures2⤵
- Modifies boot configuration data using bcdedit
PID:1752
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {current} recoveryenabled false2⤵
- Modifies boot configuration data using bcdedit
PID:1280
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {current} optionsedit false2⤵
- Modifies boot configuration data using bcdedit
PID:3536
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {current} advancedoptions false2⤵
- Modifies boot configuration data using bcdedit
PID:2424
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {current} bootmenupolicy legacy2⤵
- Modifies boot configuration data using bcdedit
PID:1504
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {bootmgr} bootsequence {current}2⤵
- Modifies boot configuration data using bcdedit
PID:5596
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {bootmgr} timeout 02⤵
- Modifies boot configuration data using bcdedit
PID:5464
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {bootmgr} displaybootmenu no2⤵
- Modifies boot configuration data using bcdedit
PID:2416
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {bootmgr} displayorder {default} /addfirst2⤵
- Modifies boot configuration data using bcdedit
PID:4572
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {fwbootmgr} displayorder {bootmgr} /addfirst2⤵
- Modifies boot configuration data using bcdedit
PID:2040
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {current} safeboot No2⤵
- Modifies boot configuration data using bcdedit
PID:3116
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C:\Windows\System32\bcdedit.exe"C:\Windows\System32\bcdedit.exe" /set {bootmgr} removeoptions2⤵
- Modifies boot configuration data using bcdedit
PID:5368
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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 Security services
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /DISABLE2⤵PID:1516
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C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /DISABLE2⤵PID:908
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C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /DISABLE2⤵PID:2300
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C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\Windows Defender\Windows Defender Verification" /DISABLE2⤵PID:3176
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C:\Windows\system32\schtasks.exeschtasks.exe /Change /TN "\Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /DISABLE2⤵PID:2848
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C:\Windows\system32\def_none.exeC:\Windows\system32\def_none.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6088 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c pause2⤵
- Executes a command shell one-liner
PID:1252
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BDESVC1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1532
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004EC 0x00000000000004F81⤵PID:4180
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Persistence
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
10Disable or Modify System Firewall
1Disable or Modify Tools
7Safe Mode Boot
1Modify Registry
12Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
- MD5 acbc65123954839a819fa2495d239bf7
- SHA1 063cff64444a6e3b4be1445b4cecb477e4d6ae47
- SHA512 af07d3f6dcf1779bcc864aabe9e08563b20b8df8238df7bb08a5fe3b4e40d10f2e2a4442a042fe5d7a320e3b8195799ecc885549faa8babb5909eb32271e7b91
- TLSH T170216833B3DD8615CC9A413A10CDAC1036B6C7DB40DECFAB7B84E655A43F699CE61160
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\023xwr2.exe
- Size 352KB
- SHA256 e23cfbd6b2c598758a2b5b20359c8d5b5cf2212f57ee0a95f5aac55bd7cf9f2e
- MD5 28951cb8572003e3b55c81e3c083684e
- SHA1 13767769dd14a3d0e0e676ed6afc670b4e20c1da
- SHA512 db16ca609a39ff27be2bed0f60ca60203fd7c67e2ed2ba8954a0d30e26c0b43ecf9fff18bcc2c644938ba9ba087158a53f5d27736f23d7c68210516c7e08b9ec
- SSDEEP 6144:9FjaS5rOS0ZAAeyB6JaZcmJg2R027gqqjA:3j/7AewGaJJg2RY
- TLSH T1FE749E18E3A611F9E5B7C57CCD934506EB727C524B71DAEF03A0899A2F236908E3D721
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_54wlso1i.ge5.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\wallpaper_ncrypt.jpg
- Size 285KB
- SHA256 3b6bf14a07555e31366473efe5f5b55a706deaf16db7aa8bbad487193965d129
- MD5 024f8028630f48beeabcdf8d1e4f97ce
- SHA1 91ef1dcf52305d4d0ff5553e1b804730a6557e04
- SHA512 48e7da7e965655b0ee0a2bf11a9ddb8a474b1b224ad450ad78e6887ada0e12f2c9a022b2ba57b41da0b1d1f2c9af906740df82702846f81e08da1b2d49000189
- SSDEEP 6144:eXghfyl2LEYYfOC2yQaru8nTypbKPnqU3v56hIk1+VfsDKi3GmnVEBR:Sghql2wNh2C68uY7/50Ik4e9SR
- TLSH T1345413634D2A00B2B83E0760FEEB7E887AE4AE9E555D23EF01D43DDD7B414974A46234
- 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 81f48f9c912ca769b306c58f0503f8575178e1240d90a7ed8372e621107ba310
- MD5 827baa7d13d58154d81e2713cedbb1ea
- SHA1 bb95833e20c89bb21a7607773178226dceffabc3
- SHA512 5b03f9a7e30b85112e756f750ef5072afed24250e52dd31ed7bde2626ce375a0c72bcff886b6f8848475bf42fb611e27617885380d574953ead57eccd9eeae7f
- SSDEEP 192:RrK9zBafK0+TF1H/Q+sMt3mijYFCdSQiw3Lz/0kfd5b9rorz0n0eVtTCTJE/TJq/:RrK9V0SfNPhj33//f320n0eVtTCTJEV6
- TLSH T13CB234664689C1FD56BAD055926EA36FE00FF2F308C3E9D90498C75E72701AD39C70AE
- MD5 SHA1 SHA512 SSDEEP TLSH