Analysis
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max time kernel
106s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
07-07-2022 22:47
Static task
static1
Behavioral task
behavioral1
Sample
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe
Resource
win7-20220414-en
General
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Target
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe
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Size
197KB
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MD5
a8c89254b01ab54875c4e644d3859084
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SHA1
0c0d2f5ccdb2670833e8455955711cccc9234234
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SHA256
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0
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SHA512
1b9a96855130b7a89426bf0c3ceb2f0dfe4e581a51668d01cd7777be10f45824a4046e753c8168bdcb976f3e52f52d675a8073f699352accd06cffadb9a484b4
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
Processes:
explorer.exedescription 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 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 -
Sets file execution options in registry 2 TTPs 4 IoCs
Processes:
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exeexplorer.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\c33533mw59137.exe\DisableExceptionChainValidation 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.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 = "hqftrvz.exe" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\c33533mw59137.exe 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Skype = "C:\\ProgramData\\Skype\\c33533mw59137.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skype = "\"C:\\ProgramData\\Skype\\c33533mw59137.exe\"" explorer.exe -
Processes:
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
Processes:
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exeexplorer.exepid process 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe 736 explorer.exe 736 explorer.exe 736 explorer.exe 736 explorer.exe 736 explorer.exe 736 explorer.exe 736 explorer.exe 736 explorer.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2460 736 WerFault.exe explorer.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exeexplorer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.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
Processes:
explorer.exedescription 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
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe -
Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main explorer.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
explorer.exepid process 736 explorer.exe 736 explorer.exe 736 explorer.exe 736 explorer.exe 736 explorer.exe 736 explorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exepid process 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exepid process 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exeexplorer.exedescription pid process Token: SeDebugPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeRestorePrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeBackupPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeLoadDriverPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeCreatePagefilePrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeShutdownPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeTakeOwnershipPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeChangeNotifyPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeCreateTokenPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeMachineAccountPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeSecurityPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeAssignPrimaryTokenPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeCreateGlobalPrivilege 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: 33 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe Token: SeDebugPrivilege 736 explorer.exe Token: SeRestorePrivilege 736 explorer.exe Token: SeBackupPrivilege 736 explorer.exe Token: SeLoadDriverPrivilege 736 explorer.exe Token: SeCreatePagefilePrivilege 736 explorer.exe Token: SeShutdownPrivilege 736 explorer.exe Token: SeTakeOwnershipPrivilege 736 explorer.exe Token: SeChangeNotifyPrivilege 736 explorer.exe Token: SeCreateTokenPrivilege 736 explorer.exe Token: SeMachineAccountPrivilege 736 explorer.exe Token: SeSecurityPrivilege 736 explorer.exe Token: SeAssignPrimaryTokenPrivilege 736 explorer.exe Token: SeCreateGlobalPrivilege 736 explorer.exe Token: 33 736 explorer.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exedescription pid process target process PID 3492 wrote to memory of 736 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe explorer.exe PID 3492 wrote to memory of 736 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe explorer.exe PID 3492 wrote to memory of 736 3492 4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe explorer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe"C:\Users\Admin\AppData\Local\Temp\4377629288a2b749204e03b5d411742460d1dc7c91dbc26204858b8f01bbd6e0.exe"1⤵
- 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:3492 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
- 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:736 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 11443⤵
- Program crash
PID:2460
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 736 -ip 7361⤵PID:3448