Analysis
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max time kernel
156s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
14-02-2022 07:46
Static task
static1
Behavioral task
behavioral1
Sample
4946fa210bc8de23bed3c8d647b49fb102d0bc0ce1a17c94ba5cdaa61e770a84.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
4946fa210bc8de23bed3c8d647b49fb102d0bc0ce1a17c94ba5cdaa61e770a84.exe
Resource
win10v2004-en-20220113
General
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Target
4946fa210bc8de23bed3c8d647b49fb102d0bc0ce1a17c94ba5cdaa61e770a84.exe
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Size
9KB
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MD5
5519824937aeb5ab25440acf1686ec1c
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SHA1
22c6833edf5c94fbaf7a02ebebac0270396df02f
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SHA256
4946fa210bc8de23bed3c8d647b49fb102d0bc0ce1a17c94ba5cdaa61e770a84
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SHA512
81a19091087da4a919d8ed2725fadc101517a626bc70ff7125ac5c5ca28f92474986e4ad8db99361e0238bd88976d180dba0953390111e7d898075e2018c826b
Malware Config
Signatures
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Upatre
Upatre is a generic malware downloader.
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Executes dropped EXE 1 IoCs
pid Process 3208 szgfw.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 4946fa210bc8de23bed3c8d647b49fb102d0bc0ce1a17c94ba5cdaa61e770a84.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2584 svchost.exe Token: SeCreatePagefilePrivilege 2584 svchost.exe Token: SeShutdownPrivilege 2584 svchost.exe Token: SeCreatePagefilePrivilege 2584 svchost.exe Token: SeShutdownPrivilege 2584 svchost.exe Token: SeCreatePagefilePrivilege 2584 svchost.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe Token: SeRestorePrivilege 3544 TiWorker.exe Token: SeSecurityPrivilege 3544 TiWorker.exe Token: SeBackupPrivilege 3544 TiWorker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2588 wrote to memory of 3208 2588 4946fa210bc8de23bed3c8d647b49fb102d0bc0ce1a17c94ba5cdaa61e770a84.exe 82 PID 2588 wrote to memory of 3208 2588 4946fa210bc8de23bed3c8d647b49fb102d0bc0ce1a17c94ba5cdaa61e770a84.exe 82 PID 2588 wrote to memory of 3208 2588 4946fa210bc8de23bed3c8d647b49fb102d0bc0ce1a17c94ba5cdaa61e770a84.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\4946fa210bc8de23bed3c8d647b49fb102d0bc0ce1a17c94ba5cdaa61e770a84.exe"C:\Users\Admin\AppData\Local\Temp\4946fa210bc8de23bed3c8d647b49fb102d0bc0ce1a17c94ba5cdaa61e770a84.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
PID:3208
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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:2584
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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:3544