Analysis
- max time kernel
157s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
19/10/2022, 13:29
Behavioral task
behavioral1
Sample
39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
General
- Target 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe
- Size 809KB
- Sample221019-qrda9sacfr
- SHA256 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39
- MD5 91b1b477956f1049e7c759723ae7a460
- SHA1 8fbb64e457d8e780f3a721e5f92da3d1a8cb7fdf
- SHA512 88dab76ee6989938ae61393131cad3b1031318757f81e1fbd819df267760d7da6470f752c0d895e4b29d858574267a4d7a10fb6d63c01f55181a6cf542f9f074
- SSDEEP 24576:GwAcu99lPzvxP+Bsz2XjWTRMQckkIXhw:RAcIzpP+hickkIxw
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Modifies firewall policy service 2 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1" 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1" explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" explorer.exe - Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe 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\AntiVirusDisableNotify = "1" 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.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 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1440 set thread context of 4936 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe 81 - Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe 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 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe - Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeSecurityPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeTakeOwnershipPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeLoadDriverPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeSystemProfilePrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeSystemtimePrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeProfSingleProcessPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeIncBasePriorityPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeCreatePagefilePrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeBackupPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeRestorePrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeShutdownPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeDebugPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeSystemEnvironmentPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeChangeNotifyPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeRemoteShutdownPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeUndockPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeManageVolumePrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeImpersonatePrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeCreateGlobalPrivilege 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: 33 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: 34 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: 35 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: 36 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe Token: SeIncreaseQuotaPrivilege 4936 explorer.exe Token: SeSecurityPrivilege 4936 explorer.exe Token: SeTakeOwnershipPrivilege 4936 explorer.exe Token: SeLoadDriverPrivilege 4936 explorer.exe Token: SeSystemProfilePrivilege 4936 explorer.exe Token: SeSystemtimePrivilege 4936 explorer.exe Token: SeProfSingleProcessPrivilege 4936 explorer.exe Token: SeIncBasePriorityPrivilege 4936 explorer.exe Token: SeCreatePagefilePrivilege 4936 explorer.exe Token: SeBackupPrivilege 4936 explorer.exe Token: SeRestorePrivilege 4936 explorer.exe Token: SeShutdownPrivilege 4936 explorer.exe Token: SeDebugPrivilege 4936 explorer.exe Token: SeSystemEnvironmentPrivilege 4936 explorer.exe Token: SeChangeNotifyPrivilege 4936 explorer.exe Token: SeRemoteShutdownPrivilege 4936 explorer.exe Token: SeUndockPrivilege 4936 explorer.exe Token: SeManageVolumePrivilege 4936 explorer.exe Token: SeImpersonatePrivilege 4936 explorer.exe Token: SeCreateGlobalPrivilege 4936 explorer.exe Token: 33 4936 explorer.exe Token: 34 4936 explorer.exe Token: 35 4936 explorer.exe Token: 36 4936 explorer.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4936 explorer.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1440 wrote to memory of 4936 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe 81 PID 1440 wrote to memory of 4936 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe 81 PID 1440 wrote to memory of 4936 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe 81 PID 1440 wrote to memory of 4936 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe 81 PID 1440 wrote to memory of 4936 1440 39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe"C:\Users\Admin\AppData\Local\Temp\39ea357921d1df20a8eb93b8f2d6f818d4ae15b70380c02911ecb32d9124de39.exe"1⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Checks BIOS information in registry
- Windows security modification
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Checks BIOS information in registry
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4936
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