Analysis
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max time kernel
151s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
19/10/2022, 13:29
Behavioral task
behavioral1
Sample
9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe
Resource
win10v2004-20220812-en
General
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Target
9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe
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Size
668KB
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MD5
91b05a945fdad12760e5f4e9a9ed4eae
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SHA1
a8fc53f62a3cb95214488caab1f390dda838fae3
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SHA256
9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4
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SHA512
a561b25eafad5403f397b1b044d271501105a0a2c550a4955dfbe92f92b7851cb58bb9c5258f208d0e255a9c80c16700d51f176af2b0eea256211bf2c8036210
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SSDEEP
12288:5pwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/cWl:rwAcu99lPzvxP+Bsz2XjWTRMQckkIXn
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" 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.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 = "1" explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 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 -
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 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run explorer.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1368 set thread context of 1820 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.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 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 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1020 ping.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1820 explorer.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeSecurityPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeTakeOwnershipPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeLoadDriverPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeSystemProfilePrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeSystemtimePrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeProfSingleProcessPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeIncBasePriorityPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeCreatePagefilePrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeBackupPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeRestorePrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeShutdownPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeDebugPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeSystemEnvironmentPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeChangeNotifyPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeRemoteShutdownPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeUndockPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeManageVolumePrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeImpersonatePrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeCreateGlobalPrivilege 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: 33 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: 34 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: 35 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe Token: SeIncreaseQuotaPrivilege 1820 explorer.exe Token: SeSecurityPrivilege 1820 explorer.exe Token: SeTakeOwnershipPrivilege 1820 explorer.exe Token: SeLoadDriverPrivilege 1820 explorer.exe Token: SeSystemProfilePrivilege 1820 explorer.exe Token: SeSystemtimePrivilege 1820 explorer.exe Token: SeProfSingleProcessPrivilege 1820 explorer.exe Token: SeIncBasePriorityPrivilege 1820 explorer.exe Token: SeCreatePagefilePrivilege 1820 explorer.exe Token: SeBackupPrivilege 1820 explorer.exe Token: SeRestorePrivilege 1820 explorer.exe Token: SeShutdownPrivilege 1820 explorer.exe Token: SeDebugPrivilege 1820 explorer.exe Token: SeSystemEnvironmentPrivilege 1820 explorer.exe Token: SeChangeNotifyPrivilege 1820 explorer.exe Token: SeRemoteShutdownPrivilege 1820 explorer.exe Token: SeUndockPrivilege 1820 explorer.exe Token: SeManageVolumePrivilege 1820 explorer.exe Token: SeImpersonatePrivilege 1820 explorer.exe Token: SeCreateGlobalPrivilege 1820 explorer.exe Token: 33 1820 explorer.exe Token: 34 1820 explorer.exe Token: 35 1820 explorer.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1368 wrote to memory of 1820 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe 27 PID 1368 wrote to memory of 1820 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe 27 PID 1368 wrote to memory of 1820 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe 27 PID 1368 wrote to memory of 1820 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe 27 PID 1368 wrote to memory of 1820 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe 27 PID 1368 wrote to memory of 1820 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe 27 PID 1368 wrote to memory of 1020 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe 28 PID 1368 wrote to memory of 1020 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe 28 PID 1368 wrote to memory of 1020 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe 28 PID 1368 wrote to memory of 1020 1368 9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe"C:\Users\Admin\AppData\Local\Temp\9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.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:1368 -
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
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1820
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C:\Windows\SysWOW64\ping.exeping 127.0.0.1 -n 5 > NUL del "C:\Users\Admin\AppData\Local\Temp\9efe2e4992da602c0356a160512698c89fecc5eb98b1096e069a840f847d0aa4.exe"2⤵
- Runs ping.exe
PID:1020
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