Analysis
- user interaction
yes - max time kernel
12s - max time network
15s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/08/2026, 16:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Stellar_2.1.1_x64_en-US.msi
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
Stellar_2.1.1_x64_en-US.msi
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
20 signatures
150 seconds
General
- Target Stellar_2.1.1_x64_en-US.msi
- Size 19.9MB
- Sample260820-txblea1cma
- SHA256 a01e0a93fb7f723727b14175fc78cdbad71c5e5450cd785963143f00bc652e5d
- MD5 9bb70d9b2ac6a80d24c5b92ccff83e9d
- SHA1 eb81a85611c85bfa40724a5d44f4b18b0e211586
- SHA512 acc9f633e9e8fad6f0366dbf0d3f1bb605a0939e6d37da0b92c834c51db27ffe3db4fe65d00b21767c4a298410dc162ab2e0dd7f50e1c62109e8ce2f423bbf42
- SSDEEP 393216:vwz0ObTMXojxhVCQbyHEVlWGIIu13dStThWP/62RoEcLQ5+d0qcMAPBi/:vyTbQXuVCjHQYV9QThWn6goE35La
- TLSH T10D27330B3E06CA16D4262EF8C87BE7F5412AAC04D8525C131365BB5DFAF08C7EE915E9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 1620 MsiExec.exe - Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe - Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 4828 msiexec.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe - Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4828 msiexec.exe Token: SeIncreaseQuotaPrivilege 4828 msiexec.exe Token: SeSecurityPrivilege 2064 msiexec.exe Token: SeCreateTokenPrivilege 4828 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4828 msiexec.exe Token: SeLockMemoryPrivilege 4828 msiexec.exe Token: SeIncreaseQuotaPrivilege 4828 msiexec.exe Token: SeMachineAccountPrivilege 4828 msiexec.exe Token: SeTcbPrivilege 4828 msiexec.exe Token: SeSecurityPrivilege 4828 msiexec.exe Token: SeTakeOwnershipPrivilege 4828 msiexec.exe Token: SeLoadDriverPrivilege 4828 msiexec.exe Token: SeSystemProfilePrivilege 4828 msiexec.exe Token: SeSystemtimePrivilege 4828 msiexec.exe Token: SeProfSingleProcessPrivilege 4828 msiexec.exe Token: SeIncBasePriorityPrivilege 4828 msiexec.exe Token: SeCreatePagefilePrivilege 4828 msiexec.exe Token: SeCreatePermanentPrivilege 4828 msiexec.exe Token: SeBackupPrivilege 4828 msiexec.exe Token: SeRestorePrivilege 4828 msiexec.exe Token: SeShutdownPrivilege 4828 msiexec.exe Token: SeDebugPrivilege 4828 msiexec.exe Token: SeAuditPrivilege 4828 msiexec.exe Token: SeSystemEnvironmentPrivilege 4828 msiexec.exe Token: SeChangeNotifyPrivilege 4828 msiexec.exe Token: SeRemoteShutdownPrivilege 4828 msiexec.exe Token: SeUndockPrivilege 4828 msiexec.exe Token: SeSyncAgentPrivilege 4828 msiexec.exe Token: SeEnableDelegationPrivilege 4828 msiexec.exe Token: SeManageVolumePrivilege 4828 msiexec.exe Token: SeImpersonatePrivilege 4828 msiexec.exe Token: SeCreateGlobalPrivilege 4828 msiexec.exe Token: SeCreateTokenPrivilege 4828 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4828 msiexec.exe Token: SeLockMemoryPrivilege 4828 msiexec.exe Token: SeIncreaseQuotaPrivilege 4828 msiexec.exe Token: SeMachineAccountPrivilege 4828 msiexec.exe Token: SeTcbPrivilege 4828 msiexec.exe Token: SeSecurityPrivilege 4828 msiexec.exe Token: SeTakeOwnershipPrivilege 4828 msiexec.exe Token: SeLoadDriverPrivilege 4828 msiexec.exe Token: SeSystemProfilePrivilege 4828 msiexec.exe Token: SeSystemtimePrivilege 4828 msiexec.exe Token: SeProfSingleProcessPrivilege 4828 msiexec.exe Token: SeIncBasePriorityPrivilege 4828 msiexec.exe Token: SeCreatePagefilePrivilege 4828 msiexec.exe Token: SeCreatePermanentPrivilege 4828 msiexec.exe Token: SeBackupPrivilege 4828 msiexec.exe Token: SeRestorePrivilege 4828 msiexec.exe Token: SeShutdownPrivilege 4828 msiexec.exe Token: SeDebugPrivilege 4828 msiexec.exe Token: SeAuditPrivilege 4828 msiexec.exe Token: SeSystemEnvironmentPrivilege 4828 msiexec.exe Token: SeChangeNotifyPrivilege 4828 msiexec.exe Token: SeRemoteShutdownPrivilege 4828 msiexec.exe Token: SeUndockPrivilege 4828 msiexec.exe Token: SeSyncAgentPrivilege 4828 msiexec.exe Token: SeEnableDelegationPrivilege 4828 msiexec.exe Token: SeManageVolumePrivilege 4828 msiexec.exe Token: SeImpersonatePrivilege 4828 msiexec.exe Token: SeCreateGlobalPrivilege 4828 msiexec.exe Token: SeCreateTokenPrivilege 4828 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4828 msiexec.exe Token: SeLockMemoryPrivilege 4828 msiexec.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4828 msiexec.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2064 wrote to memory of 1620 2064 msiexec.exe 91 - Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Stellar_2.1.1_x64_en-US.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4828
-
C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 47B7F69EBD7C2D865286D9C846391D61 C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1620
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:5220
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\MSI19EC.tmp
- Size 132KB
- SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
- MD5 cfbb8568bd3711a97e6124c56fcfa8d9
- SHA1 d7a098ae58bdd5e93a3c1b04b3d69a14234d5e57
- SHA512 860cbf3286ac4915580cefaf56a9c3d48938eb08e3f31b7f024c4339c037d7c8bdf16e766d08106505ba535be4922a87dc46bd029aae99a64ea2fc02cf3aec04
- SSDEEP 3072:Kx2YbpcgwmiTPJDnCO+DATkURBnrskNwPj2:XXgwmY1CPx2XG2
- TLSH T1DBD39D02B5D0C473D9BE09390870DB229F7EB930DF909EDB636856699E702C19E35A37
- MD5 SHA1 SHA512 SSDEEP TLSH