Analysis
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max time kernel
128s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
13-02-2022 10:01
Static task
static1
Behavioral task
behavioral1
Sample
e453c1b908c18881bec40c6ae1e85bf64d12ef84d7a9a704cf957af83252af4e.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
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Target
e453c1b908c18881bec40c6ae1e85bf64d12ef84d7a9a704cf957af83252af4e.exe
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Size
344KB
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MD5
d689f8eacf3fac2e8d4116bc0af5dad8
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SHA1
9b86b2637b44f0608ce4e3552a683feaaa162e4b
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SHA256
e453c1b908c18881bec40c6ae1e85bf64d12ef84d7a9a704cf957af83252af4e
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SHA512
51bfe014e598efbe919fab94d478467684c1d4c75d10d423ca3742b39f424c3192bd19113f5fac63d2d42d9104ddf792bb6a91ef85e3f564f7b078da5ad28cdd
Malware Config
Signatures
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Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 5056 created 4808 5056 WerFault.exe 80 -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3940 4808 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 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WerFault.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3940 WerFault.exe 3940 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeRestorePrivilege 3940 WerFault.exe Token: SeBackupPrivilege 3940 WerFault.exe Token: SeShutdownPrivilege 2100 svchost.exe Token: SeCreatePagefilePrivilege 2100 svchost.exe Token: SeShutdownPrivilege 2100 svchost.exe Token: SeCreatePagefilePrivilege 2100 svchost.exe Token: SeShutdownPrivilege 2100 svchost.exe Token: SeCreatePagefilePrivilege 2100 svchost.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe Token: SeSecurityPrivilege 4712 TiWorker.exe Token: SeBackupPrivilege 4712 TiWorker.exe Token: SeRestorePrivilege 4712 TiWorker.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5056 wrote to memory of 4808 5056 WerFault.exe 80 PID 5056 wrote to memory of 4808 5056 WerFault.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\e453c1b908c18881bec40c6ae1e85bf64d12ef84d7a9a704cf957af83252af4e.exe"C:\Users\Admin\AppData\Local\Temp\e453c1b908c18881bec40c6ae1e85bf64d12ef84d7a9a704cf957af83252af4e.exe"1⤵PID:4808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 5922⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4808 -ip 48081⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:5056
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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:2100
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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:4712