Analysis
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max time kernel
152s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-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 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 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-1-5-21-4063495947-34355257-727531523-1000\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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" notepad.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1752 set thread context of 1028 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 28 -
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 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 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 -
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 1028 explorer.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeSecurityPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeTakeOwnershipPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeLoadDriverPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeSystemProfilePrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeSystemtimePrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeProfSingleProcessPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeIncBasePriorityPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeCreatePagefilePrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeBackupPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeRestorePrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeShutdownPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeDebugPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeSystemEnvironmentPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeChangeNotifyPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeRemoteShutdownPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeUndockPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeManageVolumePrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeImpersonatePrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeCreateGlobalPrivilege 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: 33 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: 34 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: 35 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe Token: SeIncreaseQuotaPrivilege 1028 explorer.exe Token: SeSecurityPrivilege 1028 explorer.exe Token: SeTakeOwnershipPrivilege 1028 explorer.exe Token: SeLoadDriverPrivilege 1028 explorer.exe Token: SeSystemProfilePrivilege 1028 explorer.exe Token: SeSystemtimePrivilege 1028 explorer.exe Token: SeProfSingleProcessPrivilege 1028 explorer.exe Token: SeIncBasePriorityPrivilege 1028 explorer.exe Token: SeCreatePagefilePrivilege 1028 explorer.exe Token: SeBackupPrivilege 1028 explorer.exe Token: SeRestorePrivilege 1028 explorer.exe Token: SeShutdownPrivilege 1028 explorer.exe Token: SeDebugPrivilege 1028 explorer.exe Token: SeSystemEnvironmentPrivilege 1028 explorer.exe Token: SeChangeNotifyPrivilege 1028 explorer.exe Token: SeRemoteShutdownPrivilege 1028 explorer.exe Token: SeUndockPrivilege 1028 explorer.exe Token: SeManageVolumePrivilege 1028 explorer.exe Token: SeImpersonatePrivilege 1028 explorer.exe Token: SeCreateGlobalPrivilege 1028 explorer.exe Token: 33 1028 explorer.exe Token: 34 1028 explorer.exe Token: 35 1028 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1028 explorer.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1584 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 27 PID 1752 wrote to memory of 1028 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 28 PID 1752 wrote to memory of 1028 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 28 PID 1752 wrote to memory of 1028 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 28 PID 1752 wrote to memory of 1028 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 28 PID 1752 wrote to memory of 1028 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 28 PID 1752 wrote to memory of 1028 1752 7af7f19c903eaa61de12499bb36d0cc8f58706f1b76a62b168c522bca71d361b.exe 28 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29 PID 1028 wrote to memory of 1692 1028 explorer.exe 29
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:1752 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Adds Run key to start application
PID:1584
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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:1028 -
C:\Windows\SysWOW64\notepad.exeC:\Windows\SysWOW64\notepad.exe3⤵PID:1692
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