Resubmissions
18-04-2024 11:23
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240418-l1qwhahg77 10Analysis
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max time kernel
559s -
max time network
565s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-04-2024 11:22
Behavioral task
behavioral1
Sample
0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe
Resource
win7-20240221-en
Behavioral task
behavioral3
Sample
0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe
Resource
win10-20240404-en
Behavioral task
behavioral4
Sample
0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe
Resource
win10v2004-20240412-en
Errors
General
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Target
0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe
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Size
104KB
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MD5
e28889b5f98d8ed1a00835e1ca8a3b21
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SHA1
b665e89468ac7ae566aa996aeec203b25bf24b0c
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SHA256
0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73
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SHA512
d3f1708274dd84045c46c3315aeba5c16f890d94ddfcda0df29e96bc3a0159ead0f8945898d6dde25ad01981e385a41b69b1bdfd700e08f47249bffece941cbd
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SSDEEP
3072:Xl58BV2ZjooGTb5PjMdhS3KV3/jjKwcNHjo86r8X7FS8EFc:158BIFveZjMrS3q3/jjKwcNHjo86r8r6
Malware Config
Extracted
phorphiex
http://185.215.113.66/
0xAa3ea4838e8E3F6a1922c6B67E3cD6efD1ff175b
THRUoPK7oYqF7YyKZJvPYwTH35JsPZVPto
1Hw9tx4KyTq4oRoLVhPb4hjDJcLhEa4Tn6
qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut
XtxFdsKkRN3oVDXtN2ipcHeNi87basT2sL
LXMNcn9D8FQKzGNLjdSyR9dEM8Rsh9NzyX
rwn7tb5KQjXEjH42GgdHWHec5PPhVgqhSH
ARML6g7zynrwUHJbFJCCzMPiysUFXYBGgQ
48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg
3PL7YCa4akNYzuScqQwiSbtTP9q9E9PLreC
3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3
D9AJWrbYsidS9rAU146ifLRu1fzX9oQYSH
t1gvVWHnjbGTsoWXEyoTFojc2GqEzBgvbEn
bnb1cgttf7t5hu7ud3c436ufhcmy59qnkd09adqczd
bc1q0fusmmgycnhsd5cadsuz2hk8d4maausjfjypqg
bitcoincash:qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut
GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE
Signatures
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Modifies security service 2 TTPs 1 IoCs
Processes:
123586757.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" 123586757.exe -
Phorphiex payload 1 IoCs
Processes:
resource yara_rule C:\251710804703\smss.exe family_phorphiex -
Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
3449412301.exewupgrdsv.exedescription pid process target process PID 4888 created 3148 4888 3449412301.exe Explorer.EXE PID 4888 created 3148 4888 3449412301.exe Explorer.EXE PID 4068 created 3148 4068 wupgrdsv.exe Explorer.EXE PID 4068 created 3148 4068 wupgrdsv.exe Explorer.EXE -
Processes:
smss.exesylsplvc.exe123586757.exe2723031860.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" smss.exe -
XMRig Miner payload 1 IoCs
Processes:
resource yara_rule behavioral5/memory/4068-152-0x00007FF674A20000-0x00007FF674F96000-memory.dmp xmrig -
Downloads MZ/PE file
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Executes dropped EXE 14 IoCs
Processes:
smss.exe2707029947.exesylsplvc.exe123586757.exe2723031860.exe1857614401.exe221554900.exe330714286.exe197989634.exe1698519430.exe2335919422.exe3449412301.exewupgrdsv.exe3525937268.exepid process 776 smss.exe 3756 2707029947.exe 4852 sylsplvc.exe 2624 123586757.exe 4748 2723031860.exe 3116 1857614401.exe 3296 221554900.exe 4836 330714286.exe 4784 197989634.exe 1204 1698519430.exe 3852 2335919422.exe 4888 3449412301.exe 4068 wupgrdsv.exe 1260 3525937268.exe -
Processes:
smss.exe123586757.exe2723031860.exesylsplvc.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" smss.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2723031860.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 123586757.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2723031860.exe -
Adds Run key to start application 2 TTPs 7 IoCs
Processes:
0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe2707029947.exe123586757.exe2723031860.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\251710804703\\smss.exe" 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\251710804703\\smss.exe" 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sylsplvc.exe" 2707029947.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysvpplvcr.exe" 123586757.exe Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Users\\Admin\\sysvpplvcr.exe" 123586757.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winakrosvsa.exe" 2723031860.exe Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Users\\Admin\\winakrosvsa.exe" 2723031860.exe -
Drops file in Windows directory 6 IoCs
Processes:
2707029947.exe123586757.exe2723031860.exedescription ioc process File created C:\Windows\sylsplvc.exe 2707029947.exe File opened for modification C:\Windows\sylsplvc.exe 2707029947.exe File created C:\Windows\sysvpplvcr.exe 123586757.exe File opened for modification C:\Windows\sysvpplvcr.exe 123586757.exe File created C:\Windows\winakrosvsa.exe 2723031860.exe File opened for modification C:\Windows\winakrosvsa.exe 2723031860.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2140 1260 WerFault.exe 3525937268.exe -
Modifies data under HKEY_USERS 15 IoCs
Processes:
LogonUI.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "103" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360" LogonUI.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
3449412301.exepowershell.exewupgrdsv.exepowershell.exepid process 4888 3449412301.exe 4888 3449412301.exe 1596 powershell.exe 1596 powershell.exe 4888 3449412301.exe 4888 3449412301.exe 4068 wupgrdsv.exe 4068 wupgrdsv.exe 4044 powershell.exe 4044 powershell.exe 4068 wupgrdsv.exe 4068 wupgrdsv.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
Processes:
123586757.exepid process 2624 123586757.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1596 powershell.exe Token: SeIncreaseQuotaPrivilege 1596 powershell.exe Token: SeSecurityPrivilege 1596 powershell.exe Token: SeTakeOwnershipPrivilege 1596 powershell.exe Token: SeLoadDriverPrivilege 1596 powershell.exe Token: SeSystemProfilePrivilege 1596 powershell.exe Token: SeSystemtimePrivilege 1596 powershell.exe Token: SeProfSingleProcessPrivilege 1596 powershell.exe Token: SeIncBasePriorityPrivilege 1596 powershell.exe Token: SeCreatePagefilePrivilege 1596 powershell.exe Token: SeBackupPrivilege 1596 powershell.exe Token: SeRestorePrivilege 1596 powershell.exe Token: SeShutdownPrivilege 1596 powershell.exe Token: SeDebugPrivilege 1596 powershell.exe Token: SeSystemEnvironmentPrivilege 1596 powershell.exe Token: SeRemoteShutdownPrivilege 1596 powershell.exe Token: SeUndockPrivilege 1596 powershell.exe Token: SeManageVolumePrivilege 1596 powershell.exe Token: 33 1596 powershell.exe Token: 34 1596 powershell.exe Token: 35 1596 powershell.exe Token: 36 1596 powershell.exe Token: SeIncreaseQuotaPrivilege 1596 powershell.exe Token: SeSecurityPrivilege 1596 powershell.exe Token: SeTakeOwnershipPrivilege 1596 powershell.exe Token: SeLoadDriverPrivilege 1596 powershell.exe Token: SeSystemProfilePrivilege 1596 powershell.exe Token: SeSystemtimePrivilege 1596 powershell.exe Token: SeProfSingleProcessPrivilege 1596 powershell.exe Token: SeIncBasePriorityPrivilege 1596 powershell.exe Token: SeCreatePagefilePrivilege 1596 powershell.exe Token: SeBackupPrivilege 1596 powershell.exe Token: SeRestorePrivilege 1596 powershell.exe Token: SeShutdownPrivilege 1596 powershell.exe Token: SeDebugPrivilege 1596 powershell.exe Token: SeSystemEnvironmentPrivilege 1596 powershell.exe Token: SeRemoteShutdownPrivilege 1596 powershell.exe Token: SeUndockPrivilege 1596 powershell.exe Token: SeManageVolumePrivilege 1596 powershell.exe Token: 33 1596 powershell.exe Token: 34 1596 powershell.exe Token: 35 1596 powershell.exe Token: 36 1596 powershell.exe Token: SeIncreaseQuotaPrivilege 1596 powershell.exe Token: SeSecurityPrivilege 1596 powershell.exe Token: SeTakeOwnershipPrivilege 1596 powershell.exe Token: SeLoadDriverPrivilege 1596 powershell.exe Token: SeSystemProfilePrivilege 1596 powershell.exe Token: SeSystemtimePrivilege 1596 powershell.exe Token: SeProfSingleProcessPrivilege 1596 powershell.exe Token: SeIncBasePriorityPrivilege 1596 powershell.exe Token: SeCreatePagefilePrivilege 1596 powershell.exe Token: SeBackupPrivilege 1596 powershell.exe Token: SeRestorePrivilege 1596 powershell.exe Token: SeShutdownPrivilege 1596 powershell.exe Token: SeDebugPrivilege 1596 powershell.exe Token: SeSystemEnvironmentPrivilege 1596 powershell.exe Token: SeRemoteShutdownPrivilege 1596 powershell.exe Token: SeUndockPrivilege 1596 powershell.exe Token: SeManageVolumePrivilege 1596 powershell.exe Token: 33 1596 powershell.exe Token: 34 1596 powershell.exe Token: 35 1596 powershell.exe Token: 36 1596 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
PickerHost.exeLogonUI.exepid process 1988 PickerHost.exe 3024 LogonUI.exe -
Suspicious use of WriteProcessMemory 50 IoCs
Processes:
0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exesmss.exe2707029947.exesylsplvc.exe123586757.exe2335919422.exe330714286.execmd.exe197989634.execmd.exedescription pid process target process PID 1640 wrote to memory of 776 1640 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe smss.exe PID 1640 wrote to memory of 776 1640 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe smss.exe PID 1640 wrote to memory of 776 1640 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe smss.exe PID 776 wrote to memory of 3756 776 smss.exe 2707029947.exe PID 776 wrote to memory of 3756 776 smss.exe 2707029947.exe PID 776 wrote to memory of 3756 776 smss.exe 2707029947.exe PID 3756 wrote to memory of 4852 3756 2707029947.exe sylsplvc.exe PID 3756 wrote to memory of 4852 3756 2707029947.exe sylsplvc.exe PID 3756 wrote to memory of 4852 3756 2707029947.exe sylsplvc.exe PID 4852 wrote to memory of 2624 4852 sylsplvc.exe 123586757.exe PID 4852 wrote to memory of 2624 4852 sylsplvc.exe 123586757.exe PID 4852 wrote to memory of 2624 4852 sylsplvc.exe 123586757.exe PID 4852 wrote to memory of 4748 4852 sylsplvc.exe 2723031860.exe PID 4852 wrote to memory of 4748 4852 sylsplvc.exe 2723031860.exe PID 4852 wrote to memory of 4748 4852 sylsplvc.exe 2723031860.exe PID 2624 wrote to memory of 3116 2624 123586757.exe 1857614401.exe PID 2624 wrote to memory of 3116 2624 123586757.exe 1857614401.exe PID 2624 wrote to memory of 3116 2624 123586757.exe 1857614401.exe PID 2624 wrote to memory of 3296 2624 123586757.exe 221554900.exe PID 2624 wrote to memory of 3296 2624 123586757.exe 221554900.exe PID 2624 wrote to memory of 3296 2624 123586757.exe 221554900.exe PID 4852 wrote to memory of 4836 4852 sylsplvc.exe 330714286.exe PID 4852 wrote to memory of 4836 4852 sylsplvc.exe 330714286.exe PID 4852 wrote to memory of 4836 4852 sylsplvc.exe 330714286.exe PID 2624 wrote to memory of 4784 2624 123586757.exe 197989634.exe PID 2624 wrote to memory of 4784 2624 123586757.exe 197989634.exe PID 2624 wrote to memory of 4784 2624 123586757.exe 197989634.exe PID 776 wrote to memory of 1204 776 smss.exe 1698519430.exe PID 776 wrote to memory of 1204 776 smss.exe 1698519430.exe PID 776 wrote to memory of 1204 776 smss.exe 1698519430.exe PID 4852 wrote to memory of 3852 4852 sylsplvc.exe 2335919422.exe PID 4852 wrote to memory of 3852 4852 sylsplvc.exe 2335919422.exe PID 4852 wrote to memory of 3852 4852 sylsplvc.exe 2335919422.exe PID 3852 wrote to memory of 4888 3852 2335919422.exe 3449412301.exe PID 3852 wrote to memory of 4888 3852 2335919422.exe 3449412301.exe PID 776 wrote to memory of 1260 776 smss.exe 3525937268.exe PID 776 wrote to memory of 1260 776 smss.exe 3525937268.exe PID 776 wrote to memory of 1260 776 smss.exe 3525937268.exe PID 4836 wrote to memory of 4952 4836 330714286.exe cmd.exe PID 4836 wrote to memory of 4952 4836 330714286.exe cmd.exe PID 4836 wrote to memory of 4952 4836 330714286.exe cmd.exe PID 4952 wrote to memory of 832 4952 cmd.exe shutdown.exe PID 4952 wrote to memory of 832 4952 cmd.exe shutdown.exe PID 4952 wrote to memory of 832 4952 cmd.exe shutdown.exe PID 4784 wrote to memory of 4176 4784 197989634.exe cmd.exe PID 4784 wrote to memory of 4176 4784 197989634.exe cmd.exe PID 4784 wrote to memory of 4176 4784 197989634.exe cmd.exe PID 4176 wrote to memory of 5016 4176 cmd.exe shutdown.exe PID 4176 wrote to memory of 5016 4176 cmd.exe shutdown.exe PID 4176 wrote to memory of 5016 4176 cmd.exe shutdown.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:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe"C:\Users\Admin\AppData\Local\Temp\0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\251710804703\smss.exeC:\251710804703\smss.exe3⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2707029947.exeC:\Users\Admin\AppData\Local\Temp\2707029947.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\Windows\sylsplvc.exeC:\Windows\sylsplvc.exe5⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\123586757.exeC:\Users\Admin\AppData\Local\Temp\123586757.exe6⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: SetClipboardViewer
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\1857614401.exeC:\Users\Admin\AppData\Local\Temp\1857614401.exe7⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\221554900.exeC:\Users\Admin\AppData\Local\Temp\221554900.exe7⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\197989634.exeC:\Users\Admin\AppData\Local\Temp\197989634.exe7⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c shutdown /r /f8⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\shutdown.exeshutdown /r /f9⤵
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C:\Users\Admin\AppData\Local\Temp\2723031860.exeC:\Users\Admin\AppData\Local\Temp\2723031860.exe6⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
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C:\Users\Admin\AppData\Local\Temp\330714286.exeC:\Users\Admin\AppData\Local\Temp\330714286.exe6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c shutdown /r /f7⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\shutdown.exeshutdown /r /f8⤵
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C:\Users\Admin\AppData\Local\Temp\2335919422.exeC:\Users\Admin\AppData\Local\Temp\2335919422.exe6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3449412301.exeC:\Users\Admin\AppData\Local\Temp\3449412301.exe7⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\1698519430.exeC:\Users\Admin\AppData\Local\Temp\1698519430.exe4⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\3525937268.exeC:\Users\Admin\AppData\Local\Temp\3525937268.exe4⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 2685⤵
- Program crash
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\schtasks.exeC:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"2⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }2⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1260 -ip 12601⤵
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C:\Windows\System32\PickerHost.exeC:\Windows\System32\PickerHost.exe -Embedding1⤵
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39da855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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C:\251710804703\smss.exeFilesize
104KB
MD5e28889b5f98d8ed1a00835e1ca8a3b21
SHA1b665e89468ac7ae566aa996aeec203b25bf24b0c
SHA2560429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73
SHA512d3f1708274dd84045c46c3315aeba5c16f890d94ddfcda0df29e96bc3a0159ead0f8945898d6dde25ad01981e385a41b69b1bdfd700e08f47249bffece941cbd
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.logFilesize
3KB
MD54764ec833397133003e2e24b080cd7ce
SHA103c8926d7afc4e605719aee53ef2ce53f6f314cc
SHA25688331ffd23c1d6cfef379ab5366333f56ee41ff083f0421915302a492cb2a833
SHA512e9ad86bc3878f4f3e1a38a191864857f24969e0f11d0636cb76523900e97b06d286c120460c38e7f93039356f45900d32ddda990abffb1958af173dfb1aedac1
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\B8471BRP\1[1]Filesize
81KB
MD501e5faba64d8e9a9c187831fdc819f4c
SHA1350a1a2bf237e64f43716262f99c632f5e01ba62
SHA2567f4f76bd8fa91a71ce7999f9bbd0f7a63ca82d4e96b4d99cfad98edde1d85450
SHA512f4bc09ab9e4579b82707d6420e3b9df9ec4fd77e11ce5eb8304b45e3b5c9403c01de4e50f3c7f03f00f3ebc921646794638dccfded199bfe5f3fd727f3e57782
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\B8471BRP\5[1]Filesize
8KB
MD5145fc3dbf778aa2ba80af3d74eabfad6
SHA113dfeadb4b38c461f8b9d25853c0cae5d9a65f7c
SHA2565ab3bcaff0514c89388ea4958197ab0ff5bcc5999e1b95d830bc72da94bd4200
SHA5129bd7d50d489c4fc57ee1a0d3ad3cd2d29ca20f8ad1e46668a36d7ecced42db03a6980b039a2aeb7a1e1761aef89d994d73a497043ba744678290a8a9772a6306
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K4AV7MHY\2[1]Filesize
14KB
MD5fce292c79288067dc17919ed588c161c
SHA1bb44fa2c95af5bbd11e49264a40c16d6f343fa21
SHA2564ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828
SHA51273dac29753044a720fc43b4ee19d320e06855167cdf0ebf329207aa16faa13fd6d2937bd87b54e544dd8d4c3da634773abd73769d3915154099ff01e6e03033e
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K4AV7MHY\cc33[1]Filesize
80KB
MD598e2443907f1ecb82e86e3818b25ba66
SHA1cfdafa41e582e8bd21cb93a96add84d0ab2bdc9f
SHA256ef83ef42ff36634eb2af69ab262e248623751c5491267904ef50ae8d3f1d0481
SHA512d47843174a5d5aa468e166c8f8d1bc74240b47ada6b095df948863b72aee503f9221be813d0a40dd5e6f7def43e1023e394227ab0ff7d8708d65eada708e7356
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
1KB
MD58468a637fcae0174fa894ce168332af5
SHA1b9b66d5514b1b66ca58cd09dfd7e7ec114a61064
SHA25650ca9b46a543406abaebe8057c05df3e39f63d3fb12c54b03948db88280394b3
SHA512c0b5ca7b64606a58f79501e1fcc856a6b023f055ee18a80de65513a26714771ad03df87fb36ced84a5298c50cf2f66d944b2c2da50c79573991c816bc7b022f6
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C:\Users\Admin\AppData\Local\Temp\123586757.exeFilesize
81KB
MD5f4713c8ac5fc1e4919156157e7bece19
SHA17bd9e35b1d1210183bbb4fe1995895cbc1692c62
SHA2562be2206e079516c8cfa50bbc86f8a431898aa90dd73f7cfc6af1d21573247c4b
SHA512ecff8f3af212f444b5f44fd3bfd922556a49b9156fd7a20e13ebc60b4abe08b9d193a49556d4a8e776ef8083db77ab9667ec537dd44f863719e83cb3899cb46f
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C:\Users\Admin\AppData\Local\Temp\1698519430.exeFilesize
79KB
MD5ca57b9f2c47ab7d459f6c88d550e3e32
SHA1a179d0c011a06f02aa0b24fa9ceaea10429da078
SHA256937faa2f94fd8bf084196a0b354bb2dc364e557b70d682f183caf8cb0fdbd77b
SHA5127950798db7601b96a585fd4e7a8f471944e7d09fa3a1cbc4ae256eb6d4817850ab3454d83a06b7c8449f6cd190b8206b6497a8570a2f010456c14e48651331df
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C:\Users\Admin\AppData\Local\Temp\2335919422.exeFilesize
6KB
MD50d539e8277f20391a31babff8714fdb0
SHA1a4e63870aa5fd258dde4f02be70732c27f556fa9
SHA256669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32
SHA512700ff1733a064ddda80c0ac4702e50a8c0ddd97f154ff894f89d16603c02076a13e1a93ca51224579898cdf69e560a69dff60d4f5e26a479e74a3e3350f822ff
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C:\Users\Admin\AppData\Local\Temp\2707029947.exeFilesize
79KB
MD51e8a2ed2e3f35620fb6b8c2a782a57f3
SHA1e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a
SHA2563f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879
SHA512ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade
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C:\Users\Admin\AppData\Local\Temp\2723031860.exeFilesize
14KB
MD52f4ab1a4a57649200550c0906d57bc28
SHA194bc52ed3921791630b2a001d9565b8f1bd3bd17
SHA256baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa
SHA512ab1a59aa4c48f6c7fcf7950f4a68c3b89a56f266681a5aabd0df947af8340676e209d82ddd1997bfebd972b35ca235233b61231335aec4567f7b031e786ea7e8
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C:\Users\Admin\AppData\Local\Temp\330714286.exeFilesize
8KB
MD5c34a248f132e739652407b0aa8c978cd
SHA1f7f05357fd6ab2d1a11e3427ee46626bb6ad94ee
SHA2564c9c53256ff65c9930c38b193537ad510930c25052231c7eef3715057b79e578
SHA512f7999e8b903fbc2e715d6d7e7bb0bc421cef79dbd61f6d94f18fa63c99a420d2a70d4b23fa0b8ec05d073c954aec718be588ada718bb0f5aacd618ad815f2703
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C:\Users\Admin\AppData\Local\Temp\3449412301.exeFilesize
5.4MB
MD541ab08c1955fce44bfd0c76a64d1945a
SHA12b9cb05f4de5d98c541d15175d7f0199cbdd0eea
SHA256dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
SHA51238834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116
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C:\Users\Admin\AppData\Local\Temp\3525937268.exeFilesize
10KB
MD593f7ce9678303d56b33b1e57f3ee9776
SHA192c849bdc7c7bf6a1a30fa28ad37d36898d011f8
SHA2569e23519dcba9b33fa60dc2f8ae506586937e9fcad131363fd724a376c924c1d9
SHA512b1dd3e1b10509bf8a34e987a4c60c72124444f47bcb27d78f177d2fb48954315acc261c769246d799a031bd342e8d209055a37701c572c3953b1c8a2d32f90a2
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bpgl05zq.4fy.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\tbtnds.datFilesize
4KB
MD53054a54f7a912b18a8540a11301850ac
SHA14e04328f5bd3e4be47786315a7c23b269628ee62
SHA2565a51df8782f0e433a116f320bcf0c9d6f4471c987ef89d494d03407632e3aba8
SHA512f622c460dfb0b3a1df681e1b962b20867476180c3d50be17b7e4a8e7b835a2428920badc9154802e8b574e1b16779f7b213435948ef8ca7879b57e97b407aa4d
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memory/1596-124-0x00007FFF58DA0000-0x00007FFF59862000-memory.dmpFilesize
10.8MB
-
memory/1596-129-0x00007FFF58DA0000-0x00007FFF59862000-memory.dmpFilesize
10.8MB
-
memory/1596-126-0x000002D5CB400000-0x000002D5CB410000-memory.dmpFilesize
64KB
-
memory/1596-125-0x000002D5CB400000-0x000002D5CB410000-memory.dmpFilesize
64KB
-
memory/1596-123-0x000002D5E3AD0000-0x000002D5E3AF2000-memory.dmpFilesize
136KB
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memory/4044-143-0x00007FFF58DA0000-0x00007FFF59862000-memory.dmpFilesize
10.8MB
-
memory/4044-144-0x000001E6F7530000-0x000001E6F7540000-memory.dmpFilesize
64KB
-
memory/4044-146-0x000001E6F7530000-0x000001E6F7540000-memory.dmpFilesize
64KB
-
memory/4044-147-0x000001E6F7530000-0x000001E6F7540000-memory.dmpFilesize
64KB
-
memory/4044-149-0x00007FFF58DA0000-0x00007FFF59862000-memory.dmpFilesize
10.8MB
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memory/4068-152-0x00007FF674A20000-0x00007FF674F96000-memory.dmpFilesize
5.5MB
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memory/4888-132-0x00007FF7B8330000-0x00007FF7B88A6000-memory.dmpFilesize
5.5MB