Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 00:50
Static task
static1
Behavioral task
behavioral1
Sample
bcafd3989097e0631a1dbb1fb996690c7c5240c81e6496184268a8f4f2a840ec.exe
Resource
win7-en-20211208
General
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Target
bcafd3989097e0631a1dbb1fb996690c7c5240c81e6496184268a8f4f2a840ec.exe
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Size
386KB
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MD5
dfc02658cb106d327ec0379beb50df44
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SHA1
a2e49b450c91e6ade762e4d1a037b42a054b028b
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SHA256
bcafd3989097e0631a1dbb1fb996690c7c5240c81e6496184268a8f4f2a840ec
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SHA512
c768f5646b9c20c4108c3b157f564a38d10d06473af53b3cc0e8c523df0e476c0adba0657ee57f6c34c51c7278f75c6e4d3569c5cfd87dfee6eacaa0d52e0c86
Malware Config
Extracted
cryptbot
gomdhv42.top
morsof04.top
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payload_url
http://peulnm16.top/download.php?file=parter.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\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 -
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 bcafd3989097e0631a1dbb1fb996690c7c5240c81e6496184268a8f4f2a840ec.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString bcafd3989097e0631a1dbb1fb996690c7c5240c81e6496184268a8f4f2a840ec.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2240 svchost.exe Token: SeCreatePagefilePrivilege 2240 svchost.exe Token: SeShutdownPrivilege 2240 svchost.exe Token: SeCreatePagefilePrivilege 2240 svchost.exe Token: SeShutdownPrivilege 2240 svchost.exe Token: SeCreatePagefilePrivilege 2240 svchost.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe Token: SeRestorePrivilege 4188 TiWorker.exe Token: SeSecurityPrivilege 4188 TiWorker.exe Token: SeBackupPrivilege 4188 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bcafd3989097e0631a1dbb1fb996690c7c5240c81e6496184268a8f4f2a840ec.exe"C:\Users\Admin\AppData\Local\Temp\bcafd3989097e0631a1dbb1fb996690c7c5240c81e6496184268a8f4f2a840ec.exe"1⤵
- Checks processor information in registry
PID:4132
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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:2240
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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:4188