Analysis
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max time kernel
141s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22/08/2024, 20:50
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe
Resource
win7-20240705-en
windows7-x64
12 signatures
150 seconds
General
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Target
20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe
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Size
520KB
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MD5
d7ca2fa67d5b9041e4c7dd7de4cbd9d2
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SHA1
f967c21f26f181782a94cba4aef5f7a90238441e
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SHA256
4b5c0850854172aabea07f2e8d5d8c9304f94a57e0f5db8544030876eecaa65a
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SHA512
f94df7a83e8e60c098868c52aa23f4d4155d6b98b4f591e38ee361c8579b4f7dae990a871c7da25c68bb6af441604ed2ae42be1a0b25e58a20d4e6f36026bf6b
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SSDEEP
6144:foyZmTAsfJFakxaLjcMkc0Cax1PwGp6bYA0w601+dNT9/0626ASkVOAFY051Ldep:foyIJsMPrPdp6bYboEdNHONdeYSLpP
Malware Config
Extracted
Family
sality
C2
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
Signatures
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Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe -
resource yara_rule behavioral2/memory/3920-3-0x0000000002350000-0x000000000340A000-memory.dmp upx behavioral2/memory/3920-8-0x0000000002350000-0x000000000340A000-memory.dmp upx behavioral2/memory/3920-13-0x0000000002350000-0x000000000340A000-memory.dmp upx behavioral2/memory/3920-6-0x0000000002350000-0x000000000340A000-memory.dmp upx behavioral2/memory/3920-4-0x0000000002350000-0x000000000340A000-memory.dmp upx behavioral2/memory/3920-14-0x0000000002350000-0x000000000340A000-memory.dmp upx behavioral2/memory/3920-20-0x0000000002350000-0x000000000340A000-memory.dmp upx behavioral2/memory/3920-16-0x0000000002350000-0x000000000340A000-memory.dmp upx behavioral2/memory/3920-15-0x0000000002350000-0x000000000340A000-memory.dmp upx behavioral2/memory/3920-32-0x0000000002350000-0x000000000340A000-memory.dmp upx behavioral2/memory/3920-5-0x0000000002350000-0x000000000340A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\e578fbd 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe File opened for modification C:\Windows\SYSTEM.INI 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe Token: SeDebugPrivilege 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3920 wrote to memory of 800 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 9 PID 3920 wrote to memory of 808 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 10 PID 3920 wrote to memory of 384 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 13 PID 3920 wrote to memory of 2652 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 44 PID 3920 wrote to memory of 2664 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 45 PID 3920 wrote to memory of 2776 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 47 PID 3920 wrote to memory of 3464 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 55 PID 3920 wrote to memory of 3644 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 57 PID 3920 wrote to memory of 3848 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 58 PID 3920 wrote to memory of 3940 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 59 PID 3920 wrote to memory of 4004 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 60 PID 3920 wrote to memory of 1120 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 61 PID 3920 wrote to memory of 3692 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 62 PID 3920 wrote to memory of 880 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 75 PID 3920 wrote to memory of 4856 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 76 PID 3920 wrote to memory of 3332 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 81 PID 3920 wrote to memory of 1136 3920 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe 82 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:800
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:808
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:384
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2652
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2664
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2776
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3464
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C:\Users\Admin\AppData\Local\Temp\20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\20240822d7ca2fa67d5b9041e4c7dd7de4cbd9d2bkransomware.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3920
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3644
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3848
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:3940
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4004
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:1120
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3692
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵PID:880
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4856
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵PID:3332
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:1136
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5