Analysis
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max time kernel
160s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 12:58
Static task
static1
Behavioral task
behavioral1
Sample
089998c6cf33a70076c0b7457f140a7875a6bd06613705561c2c0d1cb3dcbf0e.exe
Resource
win7-en-20211208
General
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Target
089998c6cf33a70076c0b7457f140a7875a6bd06613705561c2c0d1cb3dcbf0e.exe
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Size
3.3MB
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MD5
567375246cc940c692c8a4096197ab4d
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SHA1
09d8d3ced838d86dbc30b34ecee96fa58b479efc
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SHA256
089998c6cf33a70076c0b7457f140a7875a6bd06613705561c2c0d1cb3dcbf0e
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SHA512
6542f2574a283447b7111a7792c8f90a8bad30df5a168db0b7b3560590c7a8398492928391876eee0c682147268a7362fd46a619d998fe5007a06b6e3b68ab3c
Malware Config
Extracted
cryptbot
gomdsx15.top
morxub01.top
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payload_url
http://peulaq01.top/download.php?file=lintel.exe
Signatures
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 089998c6cf33a70076c0b7457f140a7875a6bd06613705561c2c0d1cb3dcbf0e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 089998c6cf33a70076c0b7457f140a7875a6bd06613705561c2c0d1cb3dcbf0e.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4064 svchost.exe Token: SeCreatePagefilePrivilege 4064 svchost.exe Token: SeShutdownPrivilege 4064 svchost.exe Token: SeCreatePagefilePrivilege 4064 svchost.exe Token: SeShutdownPrivilege 4064 svchost.exe Token: SeCreatePagefilePrivilege 4064 svchost.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe Token: SeRestorePrivilege 4524 TiWorker.exe Token: SeSecurityPrivilege 4524 TiWorker.exe Token: SeBackupPrivilege 4524 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\089998c6cf33a70076c0b7457f140a7875a6bd06613705561c2c0d1cb3dcbf0e.exe"C:\Users\Admin\AppData\Local\Temp\089998c6cf33a70076c0b7457f140a7875a6bd06613705561c2c0d1cb3dcbf0e.exe"1⤵
- Checks processor information in registry
PID:1888
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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:4064
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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:4524