Analysis
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max time kernel
125s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
17/02/2022, 02:55
Behavioral task
behavioral1
Sample
5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe
Resource
win10v2004-en-20220113
0 signatures
0 seconds
General
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Target
5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe
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Size
176KB
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MD5
d283699cdd5ce803b0bd649746077cbf
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SHA1
1395a2cfcdb1a0b4ce3da970362e143e1f51962d
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SHA256
5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5
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SHA512
69e2c7c318944db4cfe647646fa8116a06f73a3514dbf443d603dc55610c2d68c1cc7d3c5585557180a4b88406ec5b42c1501a5454b9f91b60d5a56abaab6f7f
Score
10/10
Malware Config
Signatures
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Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 1352 created 4592 1352 WerFault.exe 81 -
Drops file in Windows directory 8 IoCs
description ioc Process 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 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 -
Program crash 1 IoCs
pid pid_target Process procid_target 2368 4592 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 2368 WerFault.exe 2368 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeRestorePrivilege 2368 WerFault.exe Token: SeBackupPrivilege 2368 WerFault.exe Token: SeShutdownPrivilege 4476 svchost.exe Token: SeCreatePagefilePrivilege 4476 svchost.exe Token: SeShutdownPrivilege 4476 svchost.exe Token: SeCreatePagefilePrivilege 4476 svchost.exe Token: SeShutdownPrivilege 4476 svchost.exe Token: SeCreatePagefilePrivilege 4476 svchost.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe Token: SeSecurityPrivilege 3444 TiWorker.exe Token: SeBackupPrivilege 3444 TiWorker.exe Token: SeRestorePrivilege 3444 TiWorker.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1352 wrote to memory of 4592 1352 WerFault.exe 81 PID 1352 wrote to memory of 4592 1352 WerFault.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe"C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe"1⤵PID:4592
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 3602⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4592 -ip 45921⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1352
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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:4476
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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:3444