Analysis
- max time kernel
91s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
17/10/2022, 14:17
Static task
static1
Behavioral task
behavioral1
Sample
942B3749F4317E682E02E879F43928575F80170DD98E4.exe
Resource
win7-20220812-en
windows7-x64
21 signatures
150 seconds
General
- Target 942B3749F4317E682E02E879F43928575F80170DD98E4.exe
- Size 396KB
- Sample221017-rlpmsacaf2
- SHA256 942b3749f4317e682e02e879f43928575f80170dd98e4e99e9008109e4952178
- MD5 6aacf73b3a873ed750c90f0ac7865d50
- SHA1 83a03d58690fb7f156f7329e2dd4c9fff4d4d14b
- SHA512 bdc0ff735c784427bdde8edb5dda41ce9341ec1abca636bb77f5c2d858614fcc0ff76034b36f8d55134c6d53c710f27400a55b02e7f5fc9ccebbe082a7e19733
- SSDEEP 6144:zuWO0vOY+TT4VHhiUJLjWGTkDOvWmdkdJVnkWXsrQI/4:uy7+TsHfvNwW0nVkaskI/4
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Modifies firewall policy service 2 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe - Sets file execution options in registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\uw5ae1e3y.exe 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\uw5ae1e3y.exe\DisableExceptionChainValidation 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "nkbm.exe" explorer.exe - Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.0 = "\"C:\\ProgramData\\Google Updater 2.0\\uw5ae1e3y.exe\"" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.0 = "C:\\ProgramData\\Google Updater 2.0\\uw5ae1e3y.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 942B3749F4317E682E02E879F43928575F80170DD98E4.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
pid Process 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 4396 explorer.exe 4396 explorer.exe 4396 explorer.exe 4396 explorer.exe 4396 explorer.exe 4396 explorer.exe 4396 explorer.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 536 set thread context of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 - Program crash 1 IoCs
pid pid_target Process procid_target 4996 4396 WerFault.exe 83 - Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 942B3749F4317E682E02E879F43928575F80170DD98E4.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 - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer explorer.exe - Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe - Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main explorer.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4396 explorer.exe 4396 explorer.exe 4396 explorer.exe 4396 explorer.exe - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe - Suspicious use of AdjustPrivilegeToken 28 IoCs
description pid Process Token: SeDebugPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeRestorePrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeBackupPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeLoadDriverPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeCreatePagefilePrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeShutdownPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeTakeOwnershipPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeChangeNotifyPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeCreateTokenPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeMachineAccountPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeSecurityPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeAssignPrimaryTokenPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeCreateGlobalPrivilege 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: 33 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe Token: SeDebugPrivilege 4396 explorer.exe Token: SeRestorePrivilege 4396 explorer.exe Token: SeBackupPrivilege 4396 explorer.exe Token: SeLoadDriverPrivilege 4396 explorer.exe Token: SeCreatePagefilePrivilege 4396 explorer.exe Token: SeShutdownPrivilege 4396 explorer.exe Token: SeTakeOwnershipPrivilege 4396 explorer.exe Token: SeChangeNotifyPrivilege 4396 explorer.exe Token: SeCreateTokenPrivilege 4396 explorer.exe Token: SeMachineAccountPrivilege 4396 explorer.exe Token: SeSecurityPrivilege 4396 explorer.exe Token: SeAssignPrimaryTokenPrivilege 4396 explorer.exe Token: SeCreateGlobalPrivilege 4396 explorer.exe Token: 33 4396 explorer.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 536 wrote to memory of 980 536 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 82 PID 980 wrote to memory of 4396 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 83 PID 980 wrote to memory of 4396 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 83 PID 980 wrote to memory of 4396 980 942B3749F4317E682E02E879F43928575F80170DD98E4.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\942B3749F4317E682E02E879F43928575F80170DD98E4.exe"C:\Users\Admin\AppData\Local\Temp\942B3749F4317E682E02E879F43928575F80170DD98E4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Users\Admin\AppData\Local\Temp\942B3749F4317E682E02E879F43928575F80170DD98E4.exe"C:\Users\Admin\AppData\Local\Temp\942B3749F4317E682E02E879F43928575F80170DD98E4.exe"2⤵
- Sets file execution options in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:980 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4396 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 10684⤵
- Program crash
PID:4996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4396 -ip 43961⤵PID:1936