Analysis
-
max time kernel
118s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
17/02/2022, 00:17
Behavioral task
behavioral1
Sample
7d5b03cfa2895e6869b990ca5857713d8387e50e7301d896ca82579e886a92cf.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
7d5b03cfa2895e6869b990ca5857713d8387e50e7301d896ca82579e886a92cf.exe
Resource
win10v2004-en-20220113
0 signatures
0 seconds
General
-
Target
7d5b03cfa2895e6869b990ca5857713d8387e50e7301d896ca82579e886a92cf.exe
-
Size
124KB
-
MD5
06027e7bb1873083f4bc356d86584e56
-
SHA1
e5029247e7beb0b16a64aa69238dc2370f2bd8d9
-
SHA256
7d5b03cfa2895e6869b990ca5857713d8387e50e7301d896ca82579e886a92cf
-
SHA512
bf8e3a2493d67af94ae5428b05244d253693f8cfd3a058e742e476e22f53ee58a539c0bda769322cf3be9ad7b3e8c0d8dee26f49f10cf8d79905f31ff6f5ef49
Score
10/10
Malware Config
Signatures
-
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 4716 created 4560 4716 WerFault.exe 80 -
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 4640 4560 WerFault.exe 80 -
Checks processor information in registry 2 TTPs 3 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\~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 -
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 4640 WerFault.exe 4640 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeRestorePrivilege 4640 WerFault.exe Token: SeBackupPrivilege 4640 WerFault.exe Token: SeShutdownPrivilege 1568 svchost.exe Token: SeCreatePagefilePrivilege 1568 svchost.exe Token: SeShutdownPrivilege 1568 svchost.exe Token: SeCreatePagefilePrivilege 1568 svchost.exe Token: SeShutdownPrivilege 1568 svchost.exe Token: SeCreatePagefilePrivilege 1568 svchost.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe Token: SeSecurityPrivilege 4312 TiWorker.exe Token: SeBackupPrivilege 4312 TiWorker.exe Token: SeRestorePrivilege 4312 TiWorker.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4716 wrote to memory of 4560 4716 WerFault.exe 80 PID 4716 wrote to memory of 4560 4716 WerFault.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\7d5b03cfa2895e6869b990ca5857713d8387e50e7301d896ca82579e886a92cf.exe"C:\Users\Admin\AppData\Local\Temp\7d5b03cfa2895e6869b990ca5857713d8387e50e7301d896ca82579e886a92cf.exe"1⤵PID:4560
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 3482⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4560 -ip 45601⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:4716
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1568
-
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:4312