Analysis
- max time kernel
146s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
09/02/2022, 17:31
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target setup.exe
- Size 4.5MB
- Sample220209-v3qsysbcdj
- SHA256 790b75e1d50978e41ae57a87008b3d1922d3efd15924b59a2a0967f29abdab8a
- MD5 1fd81be6b3c441cea94d8e55bb4ae0d8
- SHA1 1175938b92b11009d2b8e6dc34403d869da82fbe
- SHA512 dcd6baf0e31d02fca64dfc9f9a0d0836dc4272656c1487c4746a6c33f91c67d2c20bd8458d216028c59162169cc543304527f538aa272ca6a9980b38c71261b5
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Suspicious use of NtCreateProcessExOtherParentProcess 2 IoCs
description pid Process procid_target PID 4860 created 1936 4860 WerFault.exe 81 PID 4712 created 1936 4712 WerFault.exe 81 - Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe - Program crash 2 IoCs
pid pid_target Process procid_target 4968 1936 WerFault.exe 81 1412 1936 WerFault.exe 81 - Checks processor information in registry 2 TTPs 6 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 WerFault.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WerFault.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WerFault.exe - Enumerates system info in registry 2 TTPs 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4968 WerFault.exe 4968 WerFault.exe 1412 WerFault.exe 1412 WerFault.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeRestorePrivilege 4968 WerFault.exe Token: SeBackupPrivilege 4968 WerFault.exe Token: SeShutdownPrivilege 3612 svchost.exe Token: SeCreatePagefilePrivilege 3612 svchost.exe Token: SeShutdownPrivilege 3612 svchost.exe Token: SeCreatePagefilePrivilege 3612 svchost.exe Token: SeShutdownPrivilege 3612 svchost.exe Token: SeCreatePagefilePrivilege 3612 svchost.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe Token: SeSecurityPrivilege 4584 TiWorker.exe Token: SeBackupPrivilege 4584 TiWorker.exe Token: SeRestorePrivilege 4584 TiWorker.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4860 wrote to memory of 1936 4860 WerFault.exe 81 PID 4860 wrote to memory of 1936 4860 WerFault.exe 81 PID 4712 wrote to memory of 1936 4712 WerFault.exe 81 PID 4712 wrote to memory of 1936 4712 WerFault.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵PID:1936
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 6642⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4968
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 6722⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:1412
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1936 -ip 19361⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:4860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1936 -ip 19361⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:4712
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3612
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4584