Analysis
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max time kernel
151s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 02:20
Behavioral task
behavioral1
Sample
8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe
Resource
win7-20220901-en
13 signatures
150 seconds
General
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Target
8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe
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Size
756KB
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MD5
41f4de18f57379c9d316eb5d8d16e5d1
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SHA1
0a2007a6b627e6bf0c3675d4d1ba29c1f15b7716
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SHA256
8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec
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SHA512
270708149bd734e71a433d0759f186249a3c1b9cefbcd6578093f7cb0ec98baf628755416099f7209d4f68bfd67a1b8bf79440ea3f1c47e22bf44704d0d08646
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SSDEEP
12288:a9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKE:YAQ6Zx9cxTmOrucTIEFSpOGd
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 6 IoCs
description ioc Process 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 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.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 = "0" explorer.exe -
Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.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\UpdatesDisableNotify = "1" 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" explorer.exe -
Disables RegEdit via registry modification 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" explorer.exe -
Disables Task Manager via registry modification
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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 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1600 set thread context of 852 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe 27 -
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 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeSecurityPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeTakeOwnershipPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeLoadDriverPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeSystemProfilePrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeSystemtimePrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeProfSingleProcessPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeIncBasePriorityPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeCreatePagefilePrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeBackupPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeRestorePrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeShutdownPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeDebugPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeSystemEnvironmentPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeChangeNotifyPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeRemoteShutdownPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeUndockPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeManageVolumePrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeImpersonatePrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeCreateGlobalPrivilege 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: 33 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: 34 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: 35 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe Token: SeIncreaseQuotaPrivilege 852 explorer.exe Token: SeSecurityPrivilege 852 explorer.exe Token: SeTakeOwnershipPrivilege 852 explorer.exe Token: SeLoadDriverPrivilege 852 explorer.exe Token: SeSystemProfilePrivilege 852 explorer.exe Token: SeSystemtimePrivilege 852 explorer.exe Token: SeProfSingleProcessPrivilege 852 explorer.exe Token: SeIncBasePriorityPrivilege 852 explorer.exe Token: SeCreatePagefilePrivilege 852 explorer.exe Token: SeBackupPrivilege 852 explorer.exe Token: SeRestorePrivilege 852 explorer.exe Token: SeShutdownPrivilege 852 explorer.exe Token: SeDebugPrivilege 852 explorer.exe Token: SeSystemEnvironmentPrivilege 852 explorer.exe Token: SeChangeNotifyPrivilege 852 explorer.exe Token: SeRemoteShutdownPrivilege 852 explorer.exe Token: SeUndockPrivilege 852 explorer.exe Token: SeManageVolumePrivilege 852 explorer.exe Token: SeImpersonatePrivilege 852 explorer.exe Token: SeCreateGlobalPrivilege 852 explorer.exe Token: 33 852 explorer.exe Token: 34 852 explorer.exe Token: 35 852 explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1600 wrote to memory of 852 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe 27 PID 1600 wrote to memory of 852 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe 27 PID 1600 wrote to memory of 852 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe 27 PID 1600 wrote to memory of 852 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe 27 PID 1600 wrote to memory of 852 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe 27 PID 1600 wrote to memory of 852 1600 8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe"C:\Users\Admin\AppData\Local\Temp\8bf081ab22618cbffc55b7e466c148f91dea81550cd52831015a0cb3b35cb1ec.exe"1⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- 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:1600 -
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 use of AdjustPrivilegeToken
PID:852
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