Analysis
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max time kernel
162s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
14-02-2022 08:21
Static task
static1
Behavioral task
behavioral1
Sample
17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe
Resource
win10v2004-en-20220113
General
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Target
17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe
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Size
271KB
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MD5
857ecd99e4fd1b8f7e3ae8eebc863e9d
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SHA1
21fec31561bf9f1d28de24fcfeb007fcae3af829
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SHA256
17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2
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SHA512
b73a303bcc6831448e1f6546005e2f9b560dae4b1845823df979b68acfd1d090f19555d0e8ddf815bb835270fa96faec59cd3f56907e5198c6e546fa9456f35d
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 1376 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 17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb 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 3776 svchost.exe Token: SeCreatePagefilePrivilege 3776 svchost.exe Token: SeShutdownPrivilege 3776 svchost.exe Token: SeCreatePagefilePrivilege 3776 svchost.exe Token: SeShutdownPrivilege 3776 svchost.exe Token: SeCreatePagefilePrivilege 3776 svchost.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe Token: SeRestorePrivilege 1324 TiWorker.exe Token: SeSecurityPrivilege 1324 TiWorker.exe Token: SeBackupPrivilege 1324 TiWorker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4800 wrote to memory of 1376 4800 17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe 86 PID 4800 wrote to memory of 1376 4800 17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe 86 PID 4800 wrote to memory of 1376 4800 17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe"C:\Users\Admin\AppData\Local\Temp\17812287d6fb0e68b41f9f362ddbd31c03dc62cf43630fe4f243ffaf5b09ceb2.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
PID:1376
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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:3776
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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:1324