Analysis
- max time kernel
148s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
21/08/2026, 12:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Update_bde3c4.msi
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
Update_bde3c4.msi
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
12 signatures
150 seconds
General
- Target Update_bde3c4.msi
- Size 12.1MB
- Sample260821-pfdbfsbd34
- SHA256 ba48ece9b2956fa3ae96b49b7ffed13ef42e0a51475aa78813e2a55640203560
- MD5 a84ceccf83bb2426433aa5bdb543a3cd
- SHA1 dde65145d4748e030d77e1c90a26122c8883dbdf
- SHA512 470f34f0405e8092c0070622748822bfa8b41b116d0139dae24e4190bf5a4e6fb8e0f47b050d200924c6ca399b2eaf55da5e2007aa41b809aa553ac2480f5bec
- SSDEEP 393216:1m5KMqg6VOTMSx7SD7GUXNoX7hN2iHrvNCqbwmMdC5Z5:1GKM+OQU2vGyNoXN1wm6E
- TLSH T10CD6339DDA9D4796C6BE4BFCC117D4E18C90BE83F686A0EC236B33411D3567895F2282
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 596 sync_a952.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) \??\U: msiexec.exe File opened (read-only) \??\H: msiexec.exe 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) \??\S: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\I: 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) \??\D: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 596 sync_a952.exe - Drops file in Windows directory 12 IoCs
description ioc Process File created C:\Windows\SystemTemp\~DF678EE3279B79CBA2.TMP msiexec.exe File created C:\Windows\Installer\e59d3d3.msi msiexec.exe File created C:\Windows\SystemTemp\~DF3663AA2AFCD82F4F.TMP msiexec.exe File created C:\Windows\SystemTemp\~DFE88901F497CE228B.TMP 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 File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\SystemTemp\~DF57D85E07AD8B80B0.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSIDBB0.tmp msiexec.exe File created C:\Windows\Installer\e59d3d1.msi msiexec.exe File opened for modification C:\Windows\Installer\e59d3d1.msi msiexec.exe File created C:\Windows\Installer\SourceHash{FA451866-1C5A-43CC-8110-4BFC3D0BA709} msiexec.exe - Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 2496 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\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 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 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 692 msiexec.exe 692 msiexec.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2496 msiexec.exe Token: SeIncreaseQuotaPrivilege 2496 msiexec.exe Token: SeSecurityPrivilege 692 msiexec.exe Token: SeCreateTokenPrivilege 2496 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2496 msiexec.exe Token: SeLockMemoryPrivilege 2496 msiexec.exe Token: SeIncreaseQuotaPrivilege 2496 msiexec.exe Token: SeMachineAccountPrivilege 2496 msiexec.exe Token: SeTcbPrivilege 2496 msiexec.exe Token: SeSecurityPrivilege 2496 msiexec.exe Token: SeTakeOwnershipPrivilege 2496 msiexec.exe Token: SeLoadDriverPrivilege 2496 msiexec.exe Token: SeSystemProfilePrivilege 2496 msiexec.exe Token: SeSystemtimePrivilege 2496 msiexec.exe Token: SeProfSingleProcessPrivilege 2496 msiexec.exe Token: SeIncBasePriorityPrivilege 2496 msiexec.exe Token: SeCreatePagefilePrivilege 2496 msiexec.exe Token: SeCreatePermanentPrivilege 2496 msiexec.exe Token: SeBackupPrivilege 2496 msiexec.exe Token: SeRestorePrivilege 2496 msiexec.exe Token: SeShutdownPrivilege 2496 msiexec.exe Token: SeDebugPrivilege 2496 msiexec.exe Token: SeAuditPrivilege 2496 msiexec.exe Token: SeSystemEnvironmentPrivilege 2496 msiexec.exe Token: SeChangeNotifyPrivilege 2496 msiexec.exe Token: SeRemoteShutdownPrivilege 2496 msiexec.exe Token: SeUndockPrivilege 2496 msiexec.exe Token: SeSyncAgentPrivilege 2496 msiexec.exe Token: SeEnableDelegationPrivilege 2496 msiexec.exe Token: SeManageVolumePrivilege 2496 msiexec.exe Token: SeImpersonatePrivilege 2496 msiexec.exe Token: SeCreateGlobalPrivilege 2496 msiexec.exe Token: SeBackupPrivilege 5148 vssvc.exe Token: SeRestorePrivilege 5148 vssvc.exe Token: SeAuditPrivilege 5148 vssvc.exe Token: SeBackupPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe Token: SeTakeOwnershipPrivilege 692 msiexec.exe Token: SeRestorePrivilege 692 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2496 msiexec.exe 2496 msiexec.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2496 msiexec.exe 692 msiexec.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 692 wrote to memory of 2604 692 msiexec.exe 94 PID 692 wrote to memory of 596 692 msiexec.exe 97 - 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\Update_bde3c4.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2496
-
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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:692 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:2604
-
-
C:\Users\Admin\AppData\Local\Qualcomm\Atheros Bluetooth Suite\sync_a952.exe"C:\Users\Admin\AppData\Local\Qualcomm\Atheros Bluetooth Suite\sync_a952.exe" /nologo "C:\Users\Admin\AppData\Local\Qualcomm\Atheros Bluetooth Suite\sync_a952.csproj" /nr:false2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:596
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:5148
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Config.Msi\e59d3d2.rbs
- Size 9KB
- SHA256 111ae660c9df635bacffd96e3e649b1951ce0f3742b11f3039225405fc414c4a
- MD5 d12aea579860d0fa7b0e925816fa366a
- SHA1 df309e11ada79b335d4bf0bca7846155fb255f35
- SHA512 4998cf686025dbf830ed35d1efea5f4f11686d15389e69f2153608e47e9140b315579b5e386f30077e6c58daf2a20fa2dd32f017557a82c2dfec3288196c7642
- SSDEEP 96:zNrN2s2y2E2N2ZCn9QXUYS7CsThqAwUYS7C6j9RFzPThqWH50/KwbifOHQwLZCT6:zSLNDQZCCEjGINPjGeZQ58TpY
- TLSH T114125506F58AC6A2E9B62736C6231B5CB7B7D3DDD2053747084D85101F937EDEB8A086
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Qualcomm\Atheros Bluetooth Suite\Lucene.Net.dll
- Size 15.9MB
- SHA256 71e7af522f97461bc09a78ae49137de9a8205e4c2504d6ad44c81eb9c1834870
- MD5 8a4a158372aa4c1509aafb3a7afaf848
- SHA1 e784907846e6ba41b2b96c6cddd4e7b74ff1a05a
- SHA512 c7c5d893d5fb05a085ee941dfa4a5a533089104a2d9f567edf93af07158e3fbd12102169995d0ca94930fac30509d9f29dda663671b218431a506c1e377b2c36
- SSDEEP 393216:spitZvUwbsMvet+olgseQ0wiiVFg/gOTwCbQOJmqenL8iVGnrD:sCUwbs8e4DTJ2F2GCbQWFj
- TLSH T1E7F6CE02F5553D7592CB3D2332122589845C9F1E9BB3E31A3E729AB736BEB504EB3112
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Qualcomm\Atheros Bluetooth Suite\sync_a952.csproj
- Size 374B
- SHA256 dc418cd0e4c98031a89013df55dab115dedc3faf70df938de06431a13bc3aadd
- MD5 f06b7cc1d772b79739700819574036fa
- SHA1 504eea3db00ed833963c355c8a3d861786c483b1
- SHA512 8f08a01fcb03ef60cc8d3764efc7190e32e84fdbc1bbcc1593934c6ce8255e28811b10cad0e774f0eafc0203c75ca8cb4fb5d68df95b448b6ba9ff4141411fd7
- TLSH T15AE06800B480ECA367F14B31A974A7E9B3B0E9EB00A008AEF890784FCB130981457B53
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Qualcomm\Atheros Bluetooth Suite\sync_a952.exe
- Size 246KB
- SHA256 3d2b22b6bc51e0918263f4420e6bdf7d982d961b54176c470cac11841d1c9b33
- MD5 2d6ebd59b568586a8f1683b07de897e1
- SHA1 ca4af6cd9ebdcf9d29481be1a1229697cb56d54c
- SHA512 67d24d8b5bda715c6bc6c77d2dfa193d6bfca7480c2b46750d9e5b5171de5341fa64e0b02d797eca3839d1bd646d84f002ac654c8f5c0040469e8feb5d6c46d6
- SSDEEP 3072:6DEKKwBWmSEoRoocfZO8gQYiY35ePw2XpFU4rwOe1ZbZEFf02RFiZWr5MAh6i:UHK2W0u1EO80+RXf1102bio62j
- TLSH T17E345901A7EC0615F6FF0AB8B8B055158B76F867E866D75E388C61AC1F73740EA60363
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\e59d3d1.msi
- Size 12.1MB
- SHA256 ba48ece9b2956fa3ae96b49b7ffed13ef42e0a51475aa78813e2a55640203560
- MD5 a84ceccf83bb2426433aa5bdb543a3cd
- SHA1 dde65145d4748e030d77e1c90a26122c8883dbdf
- SHA512 470f34f0405e8092c0070622748822bfa8b41b116d0139dae24e4190bf5a4e6fb8e0f47b050d200924c6ca399b2eaf55da5e2007aa41b809aa553ac2480f5bec
- SSDEEP 393216:1m5KMqg6VOTMSx7SD7GUXNoX7hN2iHrvNCqbwmMdC5Z5:1GKM+OQU2vGyNoXN1wm6E
- TLSH T10CD6339DDA9D4796C6BE4BFCC117D4E18C90BE83F686A0EC236B33411D3567895F2282
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 26.1MB
- SHA256 042e29377e6091fde25a33b28c30e744e70fa9af16bcf6b13518ea71b16cda81
- MD5 c482398b11ff5b531b6772209b70a6d8
- SHA1 730ce9a33defd4dba074c9e32d3d693a42d2bb54
- SHA512 54318f80b2ca8d5a00f23ca18082d4a64f70f5e5dce33676eab4734b77577dece64b426bb2ce248d2c2c9e3adbf70306d4c2afc3454de065006b2d8c6abb654f
- SSDEEP 24576:lFo3DMPYdoO/vvTL/yAjDilQP7eJY7Eg0+1xNudb1WtqJESTsIRmD6pin+n:4Hk
- TLSH T18057B31436F92200E7B79E3DB8F06A234D397D5BAC15DE8D45511B8E0822F71E872F6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{105aa6bc-6ec8-4c76-90f4-1f06fd9c0325}_OnDiskSnapshotProp
- Size 6KB
- SHA256 490500e6407006ed713822fb31b03d6d3ac2760153463d131823ac72e5670e2c
- MD5 32778bae0bd62b8ee14c399fd6edc966
- SHA1 37aeeaf7960bf94e6fc95e17f5e7dfc47bf523a1
- SHA512 13d69a4b6a61d017e10769c5a98e2eb42d37d3cf25bbd4160d6aa72aa8be7f0a31dceb78d68373ad281bc00d5105e96b3fd3c5835bbe0946ea8762a50bbe43ac
- SSDEEP 96:FZLIe6bBvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:PIeEb++uVm
- TLSH T158D188185AF54311E2B3AB3129F14557A837B911EF33CB8E0298238E6671A10F935F6B
- MD5 SHA1 SHA512 SSDEEP TLSH