Analysis
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max time kernel
160s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
21-10-2022 02:22
Behavioral task
behavioral1
Sample
f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe
Resource
win7-20220812-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe
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Size
756KB
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MD5
64def0c5103f9b874fb271d95fc2738d
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SHA1
c8a56a08ba89fc63b65aae29f16cb98298376dc3
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SHA256
f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c
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SHA512
adec050827c193ade0685c404fdbfde6b31a45bf66e67a6a9c293857a8c4cb818c13971731d62f27f9d5f79c4dd6658637fc000af4bab2ce90e7784d2521da28
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SSDEEP
12288:e9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnK:kAQ6Zx9cxTmOrucTIEFSpOG
Score
10/10
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" f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe -
Modifies firewall policy service 2 TTPs 3 IoCs
description ioc Process 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 = "0" explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" 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 -
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 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" notepad.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4332 set thread context of 4928 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.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\VendorIdentifier explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.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 -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeSecurityPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeTakeOwnershipPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeLoadDriverPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeSystemProfilePrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeSystemtimePrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeProfSingleProcessPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeIncBasePriorityPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeCreatePagefilePrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeBackupPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeRestorePrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeShutdownPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeDebugPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeSystemEnvironmentPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeChangeNotifyPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeRemoteShutdownPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeUndockPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeManageVolumePrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeImpersonatePrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeCreateGlobalPrivilege 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: 33 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: 34 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: 35 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: 36 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe Token: SeIncreaseQuotaPrivilege 4928 explorer.exe Token: SeSecurityPrivilege 4928 explorer.exe Token: SeTakeOwnershipPrivilege 4928 explorer.exe Token: SeLoadDriverPrivilege 4928 explorer.exe Token: SeSystemProfilePrivilege 4928 explorer.exe Token: SeSystemtimePrivilege 4928 explorer.exe Token: SeProfSingleProcessPrivilege 4928 explorer.exe Token: SeIncBasePriorityPrivilege 4928 explorer.exe Token: SeCreatePagefilePrivilege 4928 explorer.exe Token: SeBackupPrivilege 4928 explorer.exe Token: SeRestorePrivilege 4928 explorer.exe Token: SeShutdownPrivilege 4928 explorer.exe Token: SeDebugPrivilege 4928 explorer.exe Token: SeSystemEnvironmentPrivilege 4928 explorer.exe Token: SeChangeNotifyPrivilege 4928 explorer.exe Token: SeRemoteShutdownPrivilege 4928 explorer.exe Token: SeUndockPrivilege 4928 explorer.exe Token: SeManageVolumePrivilege 4928 explorer.exe Token: SeImpersonatePrivilege 4928 explorer.exe Token: SeCreateGlobalPrivilege 4928 explorer.exe Token: 33 4928 explorer.exe Token: 34 4928 explorer.exe Token: 35 4928 explorer.exe Token: 36 4928 explorer.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4936 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 80 PID 4332 wrote to memory of 4928 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 81 PID 4332 wrote to memory of 4928 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 81 PID 4332 wrote to memory of 4928 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 81 PID 4332 wrote to memory of 4928 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 81 PID 4332 wrote to memory of 4928 4332 f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.exe"C:\Users\Admin\AppData\Local\Temp\f58912ac2d7c629e33dcb48787967e68d4d1ab91c628a2473150c485f88aca8c.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:4332 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Adds Run key to start application
PID:4936
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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
- Checks BIOS information in registry
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4928
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