Analysis
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max time kernel
158s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
14-02-2022 07:54
Static task
static1
Behavioral task
behavioral1
Sample
3d93abd9549f08830e1afad2b07063d3555b282c1a8a5787058e1950bb8286d9.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
3d93abd9549f08830e1afad2b07063d3555b282c1a8a5787058e1950bb8286d9.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
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Target
3d93abd9549f08830e1afad2b07063d3555b282c1a8a5787058e1950bb8286d9.exe
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Size
40KB
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MD5
9591f1088e1e52df0ca6250523cc5423
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SHA1
95af25db65c6960c992b556d6b1c3d9c4fd3d6c1
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SHA256
3d93abd9549f08830e1afad2b07063d3555b282c1a8a5787058e1950bb8286d9
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SHA512
ba995c9fdbf103919ad797f5efa54c12bf29cfd4755974209964d007232f08c527a6d162ad1b5744297f65260e19a46394ebe26d1830b83867ef8003b1418ae0
Score
10/10
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 324 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 3d93abd9549f08830e1afad2b07063d3555b282c1a8a5787058e1950bb8286d9.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.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 1420 svchost.exe Token: SeCreatePagefilePrivilege 1420 svchost.exe Token: SeShutdownPrivilege 1420 svchost.exe Token: SeCreatePagefilePrivilege 1420 svchost.exe Token: SeShutdownPrivilege 1420 svchost.exe Token: SeCreatePagefilePrivilege 1420 svchost.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe Token: SeRestorePrivilege 2616 TiWorker.exe Token: SeSecurityPrivilege 2616 TiWorker.exe Token: SeBackupPrivilege 2616 TiWorker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4524 wrote to memory of 324 4524 3d93abd9549f08830e1afad2b07063d3555b282c1a8a5787058e1950bb8286d9.exe 89 PID 4524 wrote to memory of 324 4524 3d93abd9549f08830e1afad2b07063d3555b282c1a8a5787058e1950bb8286d9.exe 89 PID 4524 wrote to memory of 324 4524 3d93abd9549f08830e1afad2b07063d3555b282c1a8a5787058e1950bb8286d9.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\3d93abd9549f08830e1afad2b07063d3555b282c1a8a5787058e1950bb8286d9.exe"C:\Users\Admin\AppData\Local\Temp\3d93abd9549f08830e1afad2b07063d3555b282c1a8a5787058e1950bb8286d9.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
PID:324
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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:1420
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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:2616