Analysis
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max time kernel
251s -
max time network
272s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-02-2022 12:13
Static task
static1
Behavioral task
behavioral1
Sample
2cfdba6fcd48a3047b93b72092061bf1fac2511f74f8c747215a7c3aaf2a9102.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
2cfdba6fcd48a3047b93b72092061bf1fac2511f74f8c747215a7c3aaf2a9102.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
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Target
2cfdba6fcd48a3047b93b72092061bf1fac2511f74f8c747215a7c3aaf2a9102.exe
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Size
93KB
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MD5
0cc3c68cab1dc15162542137a8774d78
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SHA1
a22f1b191f6922ec9d3735fc6f077d6ff2129337
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SHA256
2cfdba6fcd48a3047b93b72092061bf1fac2511f74f8c747215a7c3aaf2a9102
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SHA512
8a945fe100ba76698b3b16d8c9db1f38f27d684e584bb61ed8d4197fb4dbca97bcc35b95df7640f91da884b7943e3788fde4d732507210650f2cb90130e31ace
Score
10/10
Malware Config
Signatures
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Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 3048 created 2364 3048 WerFault.exe 81 -
Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe 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 -
Program crash 1 IoCs
pid pid_target Process procid_target 4800 2364 WerFault.exe 81 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process 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 -
Enumerates system info in registry 2 TTPs 2 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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4800 WerFault.exe 4800 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeRestorePrivilege 4800 WerFault.exe Token: SeBackupPrivilege 4800 WerFault.exe Token: SeShutdownPrivilege 1376 svchost.exe Token: SeCreatePagefilePrivilege 1376 svchost.exe Token: SeShutdownPrivilege 1376 svchost.exe Token: SeCreatePagefilePrivilege 1376 svchost.exe Token: SeShutdownPrivilege 1376 svchost.exe Token: SeCreatePagefilePrivilege 1376 svchost.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe Token: SeSecurityPrivilege 4480 TiWorker.exe Token: SeBackupPrivilege 4480 TiWorker.exe Token: SeRestorePrivilege 4480 TiWorker.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3048 wrote to memory of 2364 3048 WerFault.exe 81 PID 3048 wrote to memory of 2364 3048 WerFault.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\2cfdba6fcd48a3047b93b72092061bf1fac2511f74f8c747215a7c3aaf2a9102.exe"C:\Users\Admin\AppData\Local\Temp\2cfdba6fcd48a3047b93b72092061bf1fac2511f74f8c747215a7c3aaf2a9102.exe"1⤵PID:2364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 2362⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4800
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2364 -ip 23641⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:3048
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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:1376
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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:4480