Resubmissions
18-04-2024 11:23
240418-nhhhhscg6v 1018-04-2024 11:22
240418-ngsbbsbe43 1018-04-2024 11:22
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240418-l1qwhahg77 10Analysis
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max time kernel
417s -
max time network
418s -
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
win7-20240221-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
-
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:
98394396.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" 98394396.exe -
Phorphiex payload 1 IoCs
Processes:
resource yara_rule C:\145752967511297\smss.exe family_phorphiex -
Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
3548416612.exewupgrdsv.exedescription pid process target process PID 896 created 3412 896 3548416612.exe Explorer.EXE PID 896 created 3412 896 3548416612.exe Explorer.EXE PID 1992 created 3412 1992 wupgrdsv.exe Explorer.EXE PID 1992 created 3412 1992 wupgrdsv.exe Explorer.EXE -
Processes:
smss.exe98394396.exe2726229042.exesylsplvc.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "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\FirewallOverride = "1" 98394396.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 98394396.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 2726229042.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2726229042.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2726229042.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" 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\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\UpdatesDisableNotify = "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\FirewallDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 98394396.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2726229042.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2726229042.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\AntiVirusOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 98394396.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 98394396.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 98394396.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 2726229042.exe -
XMRig Miner payload 1 IoCs
Processes:
resource yara_rule behavioral5/memory/1992-145-0x00007FF6F4C00000-0x00007FF6F5176000-memory.dmp xmrig -
Downloads MZ/PE file
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Executes dropped EXE 13 IoCs
Processes:
smss.exe3709828479.exesylsplvc.exe98394396.exe2726229042.exe1593011223.exe221241674.exe139891621.exe2679830398.exe61126254.exe2434926501.exe3548416612.exewupgrdsv.exepid process 4240 smss.exe 876 3709828479.exe 4988 sylsplvc.exe 1408 98394396.exe 5084 2726229042.exe 3792 1593011223.exe 2292 221241674.exe 1904 139891621.exe 2568 2679830398.exe 2144 61126254.exe 4572 2434926501.exe 896 3548416612.exe 1992 wupgrdsv.exe -
Processes:
smss.exe2726229042.exesylsplvc.exe98394396.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "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\FirewallOverride = "1" 2726229042.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\UpdatesOverride = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 98394396.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 98394396.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 98394396.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 98394396.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 98394396.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\AntiVirusOverride = "1" 2726229042.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" sylsplvc.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\AntiSpywareOverride = "1" 98394396.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" 2726229042.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" 2726229042.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2726229042.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\FirewallDisableNotify = "1" smss.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\AntiVirusDisableNotify = "1" sylsplvc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2726229042.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" 2726229042.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\FirewallOverride = "1" 98394396.exe -
Adds Run key to start application 2 TTPs 7 IoCs
Processes:
2726229042.exe0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe3709828479.exe98394396.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winakrosvsa.exe" 2726229042.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Users\\Admin\\winakrosvsa.exe" 2726229042.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\145752967511297\\smss.exe" 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\145752967511297\\smss.exe" 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sylsplvc.exe" 3709828479.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysvpplvcr.exe" 98394396.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Users\\Admin\\sysvpplvcr.exe" 98394396.exe -
Drops file in Windows directory 6 IoCs
Processes:
3709828479.exe98394396.exe2726229042.exedescription ioc process File created C:\Windows\sylsplvc.exe 3709828479.exe File opened for modification C:\Windows\sylsplvc.exe 3709828479.exe File created C:\Windows\sysvpplvcr.exe 98394396.exe File opened for modification C:\Windows\sysvpplvcr.exe 98394396.exe File created C:\Windows\winakrosvsa.exe 2726229042.exe File opened for modification C:\Windows\winakrosvsa.exe 2726229042.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies data under HKEY_USERS 15 IoCs
Processes:
LogonUI.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268" 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\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\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" 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\EnableWindowColorization = "134" 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\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360" 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\ColorizationColorBalance = "89" LogonUI.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
3548416612.exepowershell.exewupgrdsv.exepowershell.exepid process 896 3548416612.exe 896 3548416612.exe 3964 powershell.exe 3964 powershell.exe 896 3548416612.exe 896 3548416612.exe 1992 wupgrdsv.exe 1992 wupgrdsv.exe 4500 powershell.exe 4500 powershell.exe 1992 wupgrdsv.exe 1992 wupgrdsv.exe -
Suspicious behavior: SetClipboardViewer 1 IoCs
Processes:
98394396.exepid process 1408 98394396.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3964 powershell.exe Token: SeIncreaseQuotaPrivilege 3964 powershell.exe Token: SeSecurityPrivilege 3964 powershell.exe Token: SeTakeOwnershipPrivilege 3964 powershell.exe Token: SeLoadDriverPrivilege 3964 powershell.exe Token: SeSystemProfilePrivilege 3964 powershell.exe Token: SeSystemtimePrivilege 3964 powershell.exe Token: SeProfSingleProcessPrivilege 3964 powershell.exe Token: SeIncBasePriorityPrivilege 3964 powershell.exe Token: SeCreatePagefilePrivilege 3964 powershell.exe Token: SeBackupPrivilege 3964 powershell.exe Token: SeRestorePrivilege 3964 powershell.exe Token: SeShutdownPrivilege 3964 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeSystemEnvironmentPrivilege 3964 powershell.exe Token: SeRemoteShutdownPrivilege 3964 powershell.exe Token: SeUndockPrivilege 3964 powershell.exe Token: SeManageVolumePrivilege 3964 powershell.exe Token: 33 3964 powershell.exe Token: 34 3964 powershell.exe Token: 35 3964 powershell.exe Token: 36 3964 powershell.exe Token: SeIncreaseQuotaPrivilege 3964 powershell.exe Token: SeSecurityPrivilege 3964 powershell.exe Token: SeTakeOwnershipPrivilege 3964 powershell.exe Token: SeLoadDriverPrivilege 3964 powershell.exe Token: SeSystemProfilePrivilege 3964 powershell.exe Token: SeSystemtimePrivilege 3964 powershell.exe Token: SeProfSingleProcessPrivilege 3964 powershell.exe Token: SeIncBasePriorityPrivilege 3964 powershell.exe Token: SeCreatePagefilePrivilege 3964 powershell.exe Token: SeBackupPrivilege 3964 powershell.exe Token: SeRestorePrivilege 3964 powershell.exe Token: SeShutdownPrivilege 3964 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeSystemEnvironmentPrivilege 3964 powershell.exe Token: SeRemoteShutdownPrivilege 3964 powershell.exe Token: SeUndockPrivilege 3964 powershell.exe Token: SeManageVolumePrivilege 3964 powershell.exe Token: 33 3964 powershell.exe Token: 34 3964 powershell.exe Token: 35 3964 powershell.exe Token: 36 3964 powershell.exe Token: SeIncreaseQuotaPrivilege 3964 powershell.exe Token: SeSecurityPrivilege 3964 powershell.exe Token: SeTakeOwnershipPrivilege 3964 powershell.exe Token: SeLoadDriverPrivilege 3964 powershell.exe Token: SeSystemProfilePrivilege 3964 powershell.exe Token: SeSystemtimePrivilege 3964 powershell.exe Token: SeProfSingleProcessPrivilege 3964 powershell.exe Token: SeIncBasePriorityPrivilege 3964 powershell.exe Token: SeCreatePagefilePrivilege 3964 powershell.exe Token: SeBackupPrivilege 3964 powershell.exe Token: SeRestorePrivilege 3964 powershell.exe Token: SeShutdownPrivilege 3964 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeSystemEnvironmentPrivilege 3964 powershell.exe Token: SeRemoteShutdownPrivilege 3964 powershell.exe Token: SeUndockPrivilege 3964 powershell.exe Token: SeManageVolumePrivilege 3964 powershell.exe Token: 33 3964 powershell.exe Token: 34 3964 powershell.exe Token: 35 3964 powershell.exe Token: 36 3964 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
PickerHost.exeLogonUI.exepid process 4516 PickerHost.exe 2260 LogonUI.exe -
Suspicious use of WriteProcessMemory 47 IoCs
Processes:
0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exesmss.exe3709828479.exesylsplvc.exe98394396.exe2434926501.exe139891621.execmd.exe61126254.execmd.exedescription pid process target process PID 2236 wrote to memory of 4240 2236 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe smss.exe PID 2236 wrote to memory of 4240 2236 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe smss.exe PID 2236 wrote to memory of 4240 2236 0429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73.exe smss.exe PID 4240 wrote to memory of 876 4240 smss.exe 3709828479.exe PID 4240 wrote to memory of 876 4240 smss.exe 3709828479.exe PID 4240 wrote to memory of 876 4240 smss.exe 3709828479.exe PID 876 wrote to memory of 4988 876 3709828479.exe sylsplvc.exe PID 876 wrote to memory of 4988 876 3709828479.exe sylsplvc.exe PID 876 wrote to memory of 4988 876 3709828479.exe sylsplvc.exe PID 4988 wrote to memory of 1408 4988 sylsplvc.exe 98394396.exe PID 4988 wrote to memory of 1408 4988 sylsplvc.exe 98394396.exe PID 4988 wrote to memory of 1408 4988 sylsplvc.exe 98394396.exe PID 4988 wrote to memory of 5084 4988 sylsplvc.exe 2726229042.exe PID 4988 wrote to memory of 5084 4988 sylsplvc.exe 2726229042.exe PID 4988 wrote to memory of 5084 4988 sylsplvc.exe 2726229042.exe PID 1408 wrote to memory of 3792 1408 98394396.exe 1593011223.exe PID 1408 wrote to memory of 3792 1408 98394396.exe 1593011223.exe PID 1408 wrote to memory of 3792 1408 98394396.exe 1593011223.exe PID 1408 wrote to memory of 2292 1408 98394396.exe 221241674.exe PID 1408 wrote to memory of 2292 1408 98394396.exe 221241674.exe PID 1408 wrote to memory of 2292 1408 98394396.exe 221241674.exe PID 4988 wrote to memory of 1904 4988 sylsplvc.exe 139891621.exe PID 4988 wrote to memory of 1904 4988 sylsplvc.exe 139891621.exe PID 4988 wrote to memory of 1904 4988 sylsplvc.exe 139891621.exe PID 4240 wrote to memory of 2568 4240 smss.exe 2679830398.exe PID 4240 wrote to memory of 2568 4240 smss.exe 2679830398.exe PID 4240 wrote to memory of 2568 4240 smss.exe 2679830398.exe PID 1408 wrote to memory of 2144 1408 98394396.exe 61126254.exe PID 1408 wrote to memory of 2144 1408 98394396.exe 61126254.exe PID 1408 wrote to memory of 2144 1408 98394396.exe 61126254.exe PID 1408 wrote to memory of 4572 1408 98394396.exe 2434926501.exe PID 1408 wrote to memory of 4572 1408 98394396.exe 2434926501.exe PID 1408 wrote to memory of 4572 1408 98394396.exe 2434926501.exe PID 4572 wrote to memory of 896 4572 2434926501.exe 3548416612.exe PID 4572 wrote to memory of 896 4572 2434926501.exe 3548416612.exe PID 1904 wrote to memory of 1008 1904 139891621.exe cmd.exe PID 1904 wrote to memory of 1008 1904 139891621.exe cmd.exe PID 1904 wrote to memory of 1008 1904 139891621.exe cmd.exe PID 1008 wrote to memory of 1360 1008 cmd.exe shutdown.exe PID 1008 wrote to memory of 1360 1008 cmd.exe shutdown.exe PID 1008 wrote to memory of 1360 1008 cmd.exe shutdown.exe PID 2144 wrote to memory of 2376 2144 61126254.exe cmd.exe PID 2144 wrote to memory of 2376 2144 61126254.exe cmd.exe PID 2144 wrote to memory of 2376 2144 61126254.exe cmd.exe PID 2376 wrote to memory of 3404 2376 cmd.exe shutdown.exe PID 2376 wrote to memory of 3404 2376 cmd.exe shutdown.exe PID 2376 wrote to memory of 3404 2376 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⤵PID:3412
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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
PID:2236 -
C:\145752967511297\smss.exeC:\145752967511297\smss.exe3⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:4240 -
C:\Users\Admin\AppData\Local\Temp\3709828479.exeC:\Users\Admin\AppData\Local\Temp\3709828479.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\sylsplvc.exeC:\Windows\sylsplvc.exe5⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Users\Admin\AppData\Local\Temp\98394396.exeC:\Users\Admin\AppData\Local\Temp\98394396.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
PID:1408 -
C:\Users\Admin\AppData\Local\Temp\1593011223.exeC:\Users\Admin\AppData\Local\Temp\1593011223.exe7⤵
- Executes dropped EXE
PID:3792
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C:\Users\Admin\AppData\Local\Temp\221241674.exeC:\Users\Admin\AppData\Local\Temp\221241674.exe7⤵
- Executes dropped EXE
PID:2292
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C:\Users\Admin\AppData\Local\Temp\61126254.exeC:\Users\Admin\AppData\Local\Temp\61126254.exe7⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c shutdown /r /f8⤵
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\SysWOW64\shutdown.exeshutdown /r /f9⤵PID:3404
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C:\Users\Admin\AppData\Local\Temp\2434926501.exeC:\Users\Admin\AppData\Local\Temp\2434926501.exe7⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Users\Admin\AppData\Local\Temp\3548416612.exeC:\Users\Admin\AppData\Local\Temp\3548416612.exe8⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:896
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C:\Users\Admin\AppData\Local\Temp\2726229042.exeC:\Users\Admin\AppData\Local\Temp\2726229042.exe6⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
PID:5084
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C:\Users\Admin\AppData\Local\Temp\139891621.exeC:\Users\Admin\AppData\Local\Temp\139891621.exe6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c shutdown /r /f7⤵
- Suspicious use of WriteProcessMemory
PID:1008 -
C:\Windows\SysWOW64\shutdown.exeshutdown /r /f8⤵PID:1360
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C:\Users\Admin\AppData\Local\Temp\2679830398.exeC:\Users\Admin\AppData\Local\Temp\2679830398.exe4⤵
- Executes dropped EXE
PID:2568
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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
PID:3964
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C:\Windows\System32\schtasks.exeC:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"2⤵PID:2180
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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
PID:4500
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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
PID:1992
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C:\Windows\System32\PickerHost.exeC:\Windows\System32\PickerHost.exe -Embedding1⤵
- Suspicious use of SetWindowsHookEx
PID:4516
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3900855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2260
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
104KB
MD5e28889b5f98d8ed1a00835e1ca8a3b21
SHA1b665e89468ac7ae566aa996aeec203b25bf24b0c
SHA2560429bed4098d95e68e4686ed79cb3967e7396956a095433dd56f4e3d49135d73
SHA512d3f1708274dd84045c46c3315aeba5c16f890d94ddfcda0df29e96bc3a0159ead0f8945898d6dde25ad01981e385a41b69b1bdfd700e08f47249bffece941cbd
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Filesize
3KB
MD57908654af278ac08c48a76ebf4599c34
SHA1541bd264a8a8fe80f254dbf0ed155b2b26625ce4
SHA256d242afe726410e19ff2f5ac6fe6a08fa7d9a5375b4e056e92feed5c3a1fc3402
SHA512b5b39fb7a840c129eae0a1a3fdfc0f9cc7eefea1ff81f4c5b2c03210ce90a54e0a14d8982e1593b20f14ddc663e08898824e65d80360524f9b2494446daab572
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Filesize
14KB
MD5fce292c79288067dc17919ed588c161c
SHA1bb44fa2c95af5bbd11e49264a40c16d6f343fa21
SHA2564ef8146d85d60c2867bdbe44304b5ba00cceb208f4c10c9f91183308e1da3828
SHA51273dac29753044a720fc43b4ee19d320e06855167cdf0ebf329207aa16faa13fd6d2937bd87b54e544dd8d4c3da634773abd73769d3915154099ff01e6e03033e
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Filesize
80KB
MD598e2443907f1ecb82e86e3818b25ba66
SHA1cfdafa41e582e8bd21cb93a96add84d0ab2bdc9f
SHA256ef83ef42ff36634eb2af69ab262e248623751c5491267904ef50ae8d3f1d0481
SHA512d47843174a5d5aa468e166c8f8d1bc74240b47ada6b095df948863b72aee503f9221be813d0a40dd5e6f7def43e1023e394227ab0ff7d8708d65eada708e7356
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Filesize
81KB
MD501e5faba64d8e9a9c187831fdc819f4c
SHA1350a1a2bf237e64f43716262f99c632f5e01ba62
SHA2567f4f76bd8fa91a71ce7999f9bbd0f7a63ca82d4e96b4d99cfad98edde1d85450
SHA512f4bc09ab9e4579b82707d6420e3b9df9ec4fd77e11ce5eb8304b45e3b5c9403c01de4e50f3c7f03f00f3ebc921646794638dccfded199bfe5f3fd727f3e57782
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Filesize
8KB
MD5145fc3dbf778aa2ba80af3d74eabfad6
SHA113dfeadb4b38c461f8b9d25853c0cae5d9a65f7c
SHA2565ab3bcaff0514c89388ea4958197ab0ff5bcc5999e1b95d830bc72da94bd4200
SHA5129bd7d50d489c4fc57ee1a0d3ad3cd2d29ca20f8ad1e46668a36d7ecced42db03a6980b039a2aeb7a1e1761aef89d994d73a497043ba744678290a8a9772a6306
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Filesize
1KB
MD5c65e180d8c90be93fe10fec5cbdc7c61
SHA1cea1b1f31f35c618805fd3044005b4e816a0d887
SHA2568dba01b164e279a7b2ccc67d5c1b811e7ec3476837b92828dafffe0eca3d480d
SHA5122b3d1d032198c560948b5ef609da2920a2452a6c7b0a4b992e23d9bfbb459b2eb980e9b1ba17e4ce52c9e0461cd723d799fffd8b763cb0d9016bf74aa686b994
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Filesize
8KB
MD5c34a248f132e739652407b0aa8c978cd
SHA1f7f05357fd6ab2d1a11e3427ee46626bb6ad94ee
SHA2564c9c53256ff65c9930c38b193537ad510930c25052231c7eef3715057b79e578
SHA512f7999e8b903fbc2e715d6d7e7bb0bc421cef79dbd61f6d94f18fa63c99a420d2a70d4b23fa0b8ec05d073c954aec718be588ada718bb0f5aacd618ad815f2703
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Filesize
6KB
MD50d539e8277f20391a31babff8714fdb0
SHA1a4e63870aa5fd258dde4f02be70732c27f556fa9
SHA256669035f4f05fe6ffc7722987c41f802f3a11298cb3a154b00c4e76df2ae5fe32
SHA512700ff1733a064ddda80c0ac4702e50a8c0ddd97f154ff894f89d16603c02076a13e1a93ca51224579898cdf69e560a69dff60d4f5e26a479e74a3e3350f822ff
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Filesize
79KB
MD5ca57b9f2c47ab7d459f6c88d550e3e32
SHA1a179d0c011a06f02aa0b24fa9ceaea10429da078
SHA256937faa2f94fd8bf084196a0b354bb2dc364e557b70d682f183caf8cb0fdbd77b
SHA5127950798db7601b96a585fd4e7a8f471944e7d09fa3a1cbc4ae256eb6d4817850ab3454d83a06b7c8449f6cd190b8206b6497a8570a2f010456c14e48651331df
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Filesize
14KB
MD52f4ab1a4a57649200550c0906d57bc28
SHA194bc52ed3921791630b2a001d9565b8f1bd3bd17
SHA256baa6149b5b917ea3af1f7c77a65e26a34a191a31a9c79726bd60baf4656701fa
SHA512ab1a59aa4c48f6c7fcf7950f4a68c3b89a56f266681a5aabd0df947af8340676e209d82ddd1997bfebd972b35ca235233b61231335aec4567f7b031e786ea7e8
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Filesize
5.4MB
MD541ab08c1955fce44bfd0c76a64d1945a
SHA12b9cb05f4de5d98c541d15175d7f0199cbdd0eea
SHA256dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493
SHA51238834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116
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Filesize
79KB
MD51e8a2ed2e3f35620fb6b8c2a782a57f3
SHA1e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a
SHA2563f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879
SHA512ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade
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Filesize
81KB
MD5f4713c8ac5fc1e4919156157e7bece19
SHA17bd9e35b1d1210183bbb4fe1995895cbc1692c62
SHA2562be2206e079516c8cfa50bbc86f8a431898aa90dd73f7cfc6af1d21573247c4b
SHA512ecff8f3af212f444b5f44fd3bfd922556a49b9156fd7a20e13ebc60b4abe08b9d193a49556d4a8e776ef8083db77ab9667ec537dd44f863719e83cb3899cb46f
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3KB
MD5acf0810365b9a19559fb85b1f84486c1
SHA15d84dcff9397192b8a617acf7188998b4e82c01a
SHA25696ac186bd3b186abacfb6af72e945de2c8794466ecf6c31020a56a0ed12c2494
SHA512ada959065720d5819cc2b9b33a44f780eee8dcf755e699bc37a37cefbbfe0a7f83e689c38a3d9ef40eefae21cdf6dae368792880869dc29f628efc4cfbc684ed