Analysis
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max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19/10/2022, 13:50
Behavioral task
behavioral1
Sample
7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe
Resource
win10v2004-20220901-en
General
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Target
7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe
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Size
659KB
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MD5
918a0fcf7dc3884225d5d2956561387c
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SHA1
8514d831cb98f1c805dfeefef2a4154fed1144c9
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SHA256
7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b
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SHA512
c2cbecc47b41902c1beec6139e8a8ba74b6c8b4bf81b4a5dd44617f9e47dcc2dbdc361dd75976edaf403bef795fb5889839cc4bd506cf8d06fd24e4b162e7517
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SSDEEP
12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKy:XAQ6Zx9cxTmOrucTIEFSpOGb
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windupdt\\winupdate.exe" 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe -
Modifies firewall policy service 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" explorer.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" explorer.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" explorer.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" notepad.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 364 set thread context of 4108 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 84 -
Program crash 1 IoCs
pid pid_target Process procid_target 1736 1508 WerFault.exe 85 -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4108 explorer.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeSecurityPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeTakeOwnershipPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeLoadDriverPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeSystemProfilePrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeSystemtimePrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeProfSingleProcessPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeIncBasePriorityPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeCreatePagefilePrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeBackupPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeRestorePrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeShutdownPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeDebugPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeSystemEnvironmentPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeChangeNotifyPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeRemoteShutdownPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeUndockPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeManageVolumePrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeImpersonatePrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeCreateGlobalPrivilege 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: 33 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: 34 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: 35 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: 36 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeIncreaseQuotaPrivilege 4108 explorer.exe Token: SeSecurityPrivilege 4108 explorer.exe Token: SeTakeOwnershipPrivilege 4108 explorer.exe Token: SeLoadDriverPrivilege 4108 explorer.exe Token: SeSystemProfilePrivilege 4108 explorer.exe Token: SeSystemtimePrivilege 4108 explorer.exe Token: SeProfSingleProcessPrivilege 4108 explorer.exe Token: SeIncBasePriorityPrivilege 4108 explorer.exe Token: SeCreatePagefilePrivilege 4108 explorer.exe Token: SeBackupPrivilege 4108 explorer.exe Token: SeRestorePrivilege 4108 explorer.exe Token: SeShutdownPrivilege 4108 explorer.exe Token: SeDebugPrivilege 4108 explorer.exe Token: SeSystemEnvironmentPrivilege 4108 explorer.exe Token: SeChangeNotifyPrivilege 4108 explorer.exe Token: SeRemoteShutdownPrivilege 4108 explorer.exe Token: SeUndockPrivilege 4108 explorer.exe Token: SeManageVolumePrivilege 4108 explorer.exe Token: SeImpersonatePrivilege 4108 explorer.exe Token: SeCreateGlobalPrivilege 4108 explorer.exe Token: 33 4108 explorer.exe Token: 34 4108 explorer.exe Token: 35 4108 explorer.exe Token: 36 4108 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4108 explorer.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 3480 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 83 PID 364 wrote to memory of 4108 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 84 PID 364 wrote to memory of 4108 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 84 PID 364 wrote to memory of 4108 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 84 PID 364 wrote to memory of 4108 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 84 PID 364 wrote to memory of 4108 364 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 84 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85 PID 4108 wrote to memory of 1508 4108 explorer.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe"C:\Users\Admin\AppData\Local\Temp\7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:364 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Adds Run key to start application
PID:3480
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\SysWOW64\notepad.exeC:\Windows\SysWOW64\notepad.exe3⤵PID:1508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 764⤵
- Program crash
PID:1736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 1508 -ip 15081⤵PID:1096