Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
21/07/2026, 17:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
appstup.38680016.msi
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
appstup.38680016.msi
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
13 signatures
150 seconds
General
- Target appstup.38680016.msi
- Size 8.8MB
- Sample260721-vkp4psfk21
- SHA256 126070b35db492df13f436665e6ebe403686d467217b77e4a11d24ab4ded9131
- MD5 f1f9e978a07c36cb5de718733747057e
- SHA1 41da2f110a0453c80c33cea4a8a36e104b24be26
- SHA512 8ceb77698bccda1aa2d0197c0f8b1a9774a681a8470a0e6889587ca11f4f47aa754553e923933ebf6cd5d1372461c9994257c28371224848642a427c9aa0abbd
- SSDEEP 98304:ipCl/GPLlZbbcLmSwBtznHa7Q/oQx2rLEEJ/U5aJOBrwgl6DUr3q/YCDCvALLfwU:hYrbcLm/BvnsEERmYiMqkTD8A/v5
- TLSH T1DB9633C978C99770D18BC7B48283E15E7D1A3FC675229C0F3A943B846E716212B7A36D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 3352 MsiExec.exe - Badlisted process makes network request 5 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 35 3352 MsiExec.exe 39 3352 MsiExec.exe 44 3352 MsiExec.exe 50 3352 MsiExec.exe 51 3352 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) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Z: msiexec.exe - Drops file in Windows directory 8 IoCs
description ioc Process File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{DEB810EB-854C-4347-31EA-54CE741E7ECA} msiexec.exe File opened for modification C:\Windows\Installer\MSI7F6C.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI8019.tmp msiexec.exe File created C:\Windows\Installer\e587e62.msi msiexec.exe File opened for modification C:\Windows\Installer\e587e62.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe - Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 1280 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 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 Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 000000000400000020c8f0fe5d92f37a0000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000c01200000000ffffffff00000000270101000008000020c8f0fe0000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d01200000000000020ed35000000ffffffff00000000070001000068090020c8f0fe000000000000d012000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ff350000000000000005000000ffffffff000000000700010000f8ff1a20c8f0fe000000000000f0ff350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ff3a0000000000000005000000ffffffff000000000700010000f87f1d20c8f0fe000000000000f0ff3a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 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 - Modifies data under HKEY_USERS 5 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" MsiExec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ MsiExec.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2496 msiexec.exe 2496 msiexec.exe 3352 MsiExec.exe 3352 MsiExec.exe 3352 MsiExec.exe 3352 MsiExec.exe 3352 MsiExec.exe 3352 MsiExec.exe 3352 MsiExec.exe 3352 MsiExec.exe - Suspicious use of AdjustPrivilegeToken 51 IoCs
description pid Process Token: SeShutdownPrivilege 1280 msiexec.exe Token: SeIncreaseQuotaPrivilege 1280 msiexec.exe Token: SeSecurityPrivilege 2496 msiexec.exe Token: SeCreateTokenPrivilege 1280 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1280 msiexec.exe Token: SeLockMemoryPrivilege 1280 msiexec.exe Token: SeIncreaseQuotaPrivilege 1280 msiexec.exe Token: SeMachineAccountPrivilege 1280 msiexec.exe Token: SeTcbPrivilege 1280 msiexec.exe Token: SeSecurityPrivilege 1280 msiexec.exe Token: SeTakeOwnershipPrivilege 1280 msiexec.exe Token: SeLoadDriverPrivilege 1280 msiexec.exe Token: SeSystemProfilePrivilege 1280 msiexec.exe Token: SeSystemtimePrivilege 1280 msiexec.exe Token: SeProfSingleProcessPrivilege 1280 msiexec.exe Token: SeIncBasePriorityPrivilege 1280 msiexec.exe Token: SeCreatePagefilePrivilege 1280 msiexec.exe Token: SeCreatePermanentPrivilege 1280 msiexec.exe Token: SeBackupPrivilege 1280 msiexec.exe Token: SeRestorePrivilege 1280 msiexec.exe Token: SeShutdownPrivilege 1280 msiexec.exe Token: SeDebugPrivilege 1280 msiexec.exe Token: SeAuditPrivilege 1280 msiexec.exe Token: SeSystemEnvironmentPrivilege 1280 msiexec.exe Token: SeChangeNotifyPrivilege 1280 msiexec.exe Token: SeRemoteShutdownPrivilege 1280 msiexec.exe Token: SeUndockPrivilege 1280 msiexec.exe Token: SeSyncAgentPrivilege 1280 msiexec.exe Token: SeEnableDelegationPrivilege 1280 msiexec.exe Token: SeManageVolumePrivilege 1280 msiexec.exe Token: SeImpersonatePrivilege 1280 msiexec.exe Token: SeCreateGlobalPrivilege 1280 msiexec.exe Token: SeBackupPrivilege 2216 vssvc.exe Token: SeRestorePrivilege 2216 vssvc.exe Token: SeAuditPrivilege 2216 vssvc.exe Token: SeBackupPrivilege 2496 msiexec.exe Token: SeRestorePrivilege 2496 msiexec.exe Token: SeRestorePrivilege 2496 msiexec.exe Token: SeTakeOwnershipPrivilege 2496 msiexec.exe Token: SeRestorePrivilege 2496 msiexec.exe Token: SeTakeOwnershipPrivilege 2496 msiexec.exe Token: SeRestorePrivilege 2496 msiexec.exe Token: SeTakeOwnershipPrivilege 2496 msiexec.exe Token: SeBackupPrivilege 2336 srtasks.exe Token: SeRestorePrivilege 2336 srtasks.exe Token: SeSecurityPrivilege 2336 srtasks.exe Token: SeTakeOwnershipPrivilege 2336 srtasks.exe Token: SeBackupPrivilege 2336 srtasks.exe Token: SeRestorePrivilege 2336 srtasks.exe Token: SeSecurityPrivilege 2336 srtasks.exe Token: SeTakeOwnershipPrivilege 2336 srtasks.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1280 msiexec.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2496 wrote to memory of 2336 2496 msiexec.exe 98 PID 2496 wrote to memory of 3352 2496 msiexec.exe 100 - 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\appstup.38680016.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1280
-
C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:2336
-
-
C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 8AD71DA9A5787F69D585892501D1E222 E Global\MSI00002⤵
- Loads dropped DLL
- Badlisted process makes network request
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:3352
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:2216
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\Installer\MSI8019.tmp
- Size 8.8MB
- SHA256 5e89749762bcca138395783e5dab5cf326bd198ec62be9b16ab2f38c9cba056c
- MD5 1059126cd6386700f06925f4ed6de083
- SHA1 d271fdf41e03c0d26276d9bb2b6db7e71e76fe42
- SHA512 8370912bede7cf11b6629805a549adb4ad96135619a6b917a46f561b7d8247e3848b594199a97da61ca17ef005ec92c8449cb61f01b143552dff24b728ea6005
- SSDEEP 98304:VpCl/GPLlZbbcLmSwBtznHa7Q/oQx2rLEEJ/U5EJOBrwgl6DUr3q/YCDCvAL/fw8:4YrbcLm/BvnsEERmWiMqkTD8AbvV
- TLSH T1C99633C969CA9774D18FC7B48283A06E7C5B33CA74366C0E7AD40F849E726112B7936D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 24.1MB
- SHA256 77579447315f3479a241017e125f6833bcd33400bd338f088d83c784f0b7166a
- MD5 fe44633e8d1a5d7b6833a124b0b477fa
- SHA1 0c8ed463409a2b4bb7f2e5f3c38c0fb0a008fad2
- SHA512 8018836240e9030d3a27602b2369178bf344f5af3c6458e3580fc9a50eb9e35d69a6aa886813c35a4193221f79aec9df7d76cfc2a5fa2627bc66dcdc812e79b0
- SSDEEP 24576:wu8m+1z1doO/vvTL7WBeU26FA4kDJFhitHmNjegl5Uqwe2YMYvlYpXqhU:u
- TLSH T1C047D22432F92510E7F39E3CA8F1AA2389397D579C199E8D05411F4E0961FB1E872F6B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{fef0c820-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{26cd83b3-17b9-43d1-aa32-35535dd6de50}_OnDiskSnapshotProp
- Size 6KB
- SHA256 7ac56dbe39a761b3f757159a7cbf7ddda141616c847b7bce726e4692cc1c8d65
- MD5 3f6098c8768f5f7bc5fe0d63ba2f0a88
- SHA1 34f3a91f3bf80af86ed676bfb2a55e298ff1ee1a
- SHA512 36f3997ec404fed3f74b2a77294a674a7cf0a33e1f764f393543aa07d4cb8cc9f50e4731777929a1e86c3f8c5bc935a7886847bf53e126fd7996de76b6cd07c2
- SSDEEP 96:FblMNlSvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpuN:BLb++ZVmN
- TLSH T190D199085AF54711E2B3AB7128F18557A877B911EF33CB8E0198238E2670A10F875F6F
- MD5 SHA1 SHA512 SSDEEP TLSH