Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/07/2026, 17:16
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
zinst.6638258015.msi
Resource
win10v2004-20260513-en
windows10-2004-x64
38 signatures
150 seconds
Behavioral task
behavioral2
Sample
zinst.6638258015.msi
Resource
win11ltsc2024-20260706-en
windows11-ltsc_2024-x64
24 signatures
150 seconds
General
- Target zinst.6638258015.msi
- Size 5.2MB
- Sample260708-vs94vads8l
- SHA256 872c8ab96cacb8fee4e93b203164a5ed5ab85fd3b9d67de2d88317a054e48284
- MD5 f1c900b06f3ffaab15f4548fb6d19e0d
- SHA1 a1f3f41b007f29c99bac8401db87a530a08c2b19
- SHA512 92b3344015daa03e71c2fc0709d85f66bcf378c90b59ec0b878cae29f0161d94c8a1060d8a7a2bcb51ff9505b49572a3b972326f6dd7161837d4c9470ea808f5
- SSDEEP 98304:4ByTsw7SGaD1tivkRIUcQaUa6jfUK92s3PpLA9eFnJtM/dWPANhV7V2bcInt9:46aD1tivkzla6jb92shLFnfQWPC0R
- TLSH T1444633D9B9C63671D2ABC7B40652A49EBC9C3FD6FEA14C0536D87B001E73A015B3A346
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Windows security bypass 2 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Program Files (x86) = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Public\Pd23oN = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\Documents = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2684 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 2588 u8ZWLR.exe - Loads dropped DLL 2 IoCs
pid Process 4236 MsiExec.exe 2588 u8ZWLR.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tencent SecurityHealth = "\"C:\\Users\\Public\\Pd23oN\\u8ZWLR.exe\"" u8ZWLR.exe - Badlisted process makes network request 4 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 4 4236 MsiExec.exe 5 4236 MsiExec.exe 6 4236 MsiExec.exe 7 4236 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) \??\K: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\G: 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) \??\T: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 1292 cmd.exe 592 cmd.exe 696 cmd.exe 5452 cmd.exe 3920 cmd.exe - Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B039FEA45CB4CC4BBACFC013C7C55604_FA4759C1FDA1D5B56F6A969553761240 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D077F3BA01F0F2293C650040B1B80D25_46BE3773AFCF70DA60E4725C8326A576 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D077F3BA01F0F2293C650040B1B80D25_46BE3773AFCF70DA60E4725C8326A576 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_4136D3715888E22D65EBE484B233D81B MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_4136D3715888E22D65EBE484B233D81B MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B039FEA45CB4CC4BBACFC013C7C55604_FA4759C1FDA1D5B56F6A969553761240 MsiExec.exe File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b u8ZWLR.exe - Drops file in Windows directory 13 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSIA8E9.tmp msiexec.exe File created C:\Windows\Installer\e59a0ad.msi msiexec.exe File created C:\Windows\SystemTemp\~DF90F9E295C28803D2.TMP msiexec.exe File created C:\Windows\SystemTemp\~DFC810A9ED81CFE8C2.TMP msiexec.exe File created C:\Windows\Installer\e59a0ab.msi msiexec.exe File opened for modification C:\Windows\Installer\e59a0ab.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 File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\SystemTemp\~DFD826DBEEBCC392D2.TMP msiexec.exe File created C:\Windows\SystemTemp\~DF4F20A7676DEC045E.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSIA81D.tmp msiexec.exe File created C:\Windows\Installer\SourceHash{DBE37440-1514-4BD7-8D8E-BFF5D9F3B754} msiexec.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 3744 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 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing MsiExec.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E msiexec.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27 msiexec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" MsiExec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28 msiexec.exe 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\AutoDetect = "0" MsiExec.exe - Modifies registry class 22 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\PackageName = "zinst.6638258015.msi" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\Media\1 = ";" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\04473EBD41517DB4D8E8FB5F9D3F7B45 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\PackageCode = "363D2B604C2C7E149A37A0A2E581328D" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\Assignment = "1" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\AdvertiseFlags = "388" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\AuthorizedLUAApp = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\Clients = 3a0000000000 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\04473EBD41517DB4D8E8FB5F9D3F7B45\UpdFeatYKQD msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\Language = "1033" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\Net msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\DeploymentFlags = "3" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\Media msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\ProductName = "Ali Licensing Agent Dll" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\Version = "50462843" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\InstanceType = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\93B4AF7293B493B4A95CB49365D8B493 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\93B4AF7293B493B4A95CB49365D8B493\04473EBD41517DB4D8E8FB5F9D3F7B45 msiexec.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 940 schtasks.exe 2996 schtasks.exe 4592 schtasks.exe 1204 schtasks.exe 4224 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3528 msiexec.exe 3528 msiexec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 4236 MsiExec.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe 2588 u8ZWLR.exe - Suspicious behavior: LoadsDriver 6 IoCs
pid Process 820 Process not Found 820 Process not Found 820 Process not Found 820 Process not Found 820 Process not Found 820 Process not Found - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3744 msiexec.exe Token: SeIncreaseQuotaPrivilege 3744 msiexec.exe Token: SeSecurityPrivilege 3528 msiexec.exe Token: SeCreateTokenPrivilege 3744 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3744 msiexec.exe Token: SeLockMemoryPrivilege 3744 msiexec.exe Token: SeIncreaseQuotaPrivilege 3744 msiexec.exe Token: SeMachineAccountPrivilege 3744 msiexec.exe Token: SeTcbPrivilege 3744 msiexec.exe Token: SeSecurityPrivilege 3744 msiexec.exe Token: SeTakeOwnershipPrivilege 3744 msiexec.exe Token: SeLoadDriverPrivilege 3744 msiexec.exe Token: SeSystemProfilePrivilege 3744 msiexec.exe Token: SeSystemtimePrivilege 3744 msiexec.exe Token: SeProfSingleProcessPrivilege 3744 msiexec.exe Token: SeIncBasePriorityPrivilege 3744 msiexec.exe Token: SeCreatePagefilePrivilege 3744 msiexec.exe Token: SeCreatePermanentPrivilege 3744 msiexec.exe Token: SeBackupPrivilege 3744 msiexec.exe Token: SeRestorePrivilege 3744 msiexec.exe Token: SeShutdownPrivilege 3744 msiexec.exe Token: SeDebugPrivilege 3744 msiexec.exe Token: SeAuditPrivilege 3744 msiexec.exe Token: SeSystemEnvironmentPrivilege 3744 msiexec.exe Token: SeChangeNotifyPrivilege 3744 msiexec.exe Token: SeRemoteShutdownPrivilege 3744 msiexec.exe Token: SeUndockPrivilege 3744 msiexec.exe Token: SeSyncAgentPrivilege 3744 msiexec.exe Token: SeEnableDelegationPrivilege 3744 msiexec.exe Token: SeManageVolumePrivilege 3744 msiexec.exe Token: SeImpersonatePrivilege 3744 msiexec.exe Token: SeCreateGlobalPrivilege 3744 msiexec.exe Token: SeBackupPrivilege 1340 vssvc.exe Token: SeRestorePrivilege 1340 vssvc.exe Token: SeAuditPrivilege 1340 vssvc.exe Token: SeBackupPrivilege 3528 msiexec.exe Token: SeRestorePrivilege 3528 msiexec.exe Token: SeRestorePrivilege 3528 msiexec.exe Token: SeTakeOwnershipPrivilege 3528 msiexec.exe Token: SeRestorePrivilege 3528 msiexec.exe Token: SeTakeOwnershipPrivilege 3528 msiexec.exe Token: SeRestorePrivilege 3528 msiexec.exe Token: SeTakeOwnershipPrivilege 3528 msiexec.exe Token: SeBackupPrivilege 2992 srtasks.exe Token: SeRestorePrivilege 2992 srtasks.exe Token: SeSecurityPrivilege 2992 srtasks.exe Token: SeTakeOwnershipPrivilege 2992 srtasks.exe Token: SeBackupPrivilege 2992 srtasks.exe Token: SeRestorePrivilege 2992 srtasks.exe Token: SeSecurityPrivilege 2992 srtasks.exe Token: SeTakeOwnershipPrivilege 2992 srtasks.exe Token: SeDebugPrivilege 4236 MsiExec.exe Token: SeRestorePrivilege 3528 msiexec.exe Token: SeTakeOwnershipPrivilege 3528 msiexec.exe Token: SeRestorePrivilege 3528 msiexec.exe Token: SeTakeOwnershipPrivilege 3528 msiexec.exe Token: SeRestorePrivilege 3528 msiexec.exe Token: SeTakeOwnershipPrivilege 3528 msiexec.exe Token: SeRestorePrivilege 3528 msiexec.exe Token: SeTakeOwnershipPrivilege 3528 msiexec.exe Token: SeRestorePrivilege 3528 msiexec.exe Token: SeTakeOwnershipPrivilege 3528 msiexec.exe Token: SeRestorePrivilege 3528 msiexec.exe Token: SeTakeOwnershipPrivilege 3528 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3744 msiexec.exe 3744 msiexec.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3744 msiexec.exe 3528 msiexec.exe 4236 MsiExec.exe - Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 3528 wrote to memory of 2992 3528 msiexec.exe 93 PID 3528 wrote to memory of 4236 3528 msiexec.exe 95 PID 2588 wrote to memory of 2684 2588 u8ZWLR.exe 98 PID 2588 wrote to memory of 592 2588 u8ZWLR.exe 100 PID 592 wrote to memory of 4224 592 cmd.exe 103 PID 2588 wrote to memory of 696 2588 u8ZWLR.exe 104 PID 592 wrote to memory of 6132 592 cmd.exe 106 PID 696 wrote to memory of 940 696 cmd.exe 107 PID 592 wrote to memory of 4468 592 cmd.exe 109 PID 696 wrote to memory of 5836 696 cmd.exe 110 PID 696 wrote to memory of 2000 696 cmd.exe 112 PID 2588 wrote to memory of 5452 2588 u8ZWLR.exe 113 PID 5452 wrote to memory of 2996 5452 cmd.exe 116 PID 5452 wrote to memory of 5440 5452 cmd.exe 117 PID 5452 wrote to memory of 2376 5452 cmd.exe 119 PID 2588 wrote to memory of 3920 2588 u8ZWLR.exe 120 PID 3920 wrote to memory of 4592 3920 cmd.exe 122 PID 3920 wrote to memory of 760 3920 cmd.exe 123 PID 3920 wrote to memory of 2500 3920 cmd.exe 125 PID 2588 wrote to memory of 1292 2588 u8ZWLR.exe 128 PID 1292 wrote to memory of 1204 1292 cmd.exe 130 PID 1292 wrote to memory of 3640 1292 cmd.exe 131 PID 1292 wrote to memory of 2636 1292 cmd.exe 134 PID 4304 wrote to memory of 2288 4304 cmd.exe 136 PID 1716 wrote to memory of 5780 1716 cmd.exe 138 PID 6092 wrote to memory of 5504 6092 cmd.exe 139 PID 3224 wrote to memory of 2552 3224 cmd.exe 140 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\zinst.6638258015.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3744
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:2992
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding C024013AF1291A5BCF5B28023AD5C7DF E Global\MSI00002⤵
- Loads dropped DLL
- Badlisted process makes network request
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4236
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:1340
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C:\Users\Public\Pd23oN\u8ZWLR.exe"C:\Users\Public\Pd23oN\u8ZWLR.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\ProgramData','C:\Users','C:\Program Files (x86)','C:\' -Force2⤵
- Command and Scripting Interpreter: PowerShell
PID:2684
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\Pd23oN\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:592 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\Pd23oN\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4224
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:6132
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4468
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:696 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:940
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5836
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2000
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:5452 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:2996
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5440
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2376
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4592
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:760
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2500
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"%USERPROFILE%\Documents\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Admin\Documents\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:1204
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3640
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2636
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\Pd23oN" /t REG_DWORD /d 0 /f1⤵
- Suspicious use of WriteProcessMemory
PID:6092 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\Pd23oN" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:5504
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C:\Windows\System32\cmd.execmd.exe1⤵PID:2768
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f1⤵
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:2288
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f1⤵
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:5780
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f1⤵
- Suspicious use of WriteProcessMemory
PID:3224 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:2552
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1Clear Persistence
1Modify Registry
2System Binary Proxy Execution
1Msiexec
1Replay Monitor
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Downloads
- Path C:\Config.Msi\e59a0ac.rbs
- Size 7KB
- SHA256 94f23e09af0ce7b0ceb5aabcd1732ec6de522d968521d99cd33c09dc37af75a7
- MD5 fb3b0722304bd379c8fbdc8c016dfd82
- SHA1 ccf34ebc9952ef4adf00d707fad1401918f62ee8
- SHA512 67c9763f29b77a3db4078253ffb888e805b5092f31a4374bd110f87381c2d44dd5f68ccc73e673c4f3c3ee42dd95941f72d30757bb7f5ac8d1072afbf91493aa
- SSDEEP 192:gLC70v8TbI1TbMSwF83JHsS15ePN3vp5EAjrCRm8X:gSTOTr0NI
- TLSH T116F12F42B6448AE3F8D31F3AC7435B6A37B2D7E95314A31F48CD48701F427899EA958A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\Pd23oN\UxEnhance64.dll
- Size 3.1MB
- SHA256 70fa15d0406577ae860b69d65b8fb8a011c417b0c59f22a6da022241216ba549
- MD5 b6ce906786dc84b7ccadee23aadf5aa4
- SHA1 347dead20ed549955ab65d018f5c0d83bae772cf
- SHA512 c2e4e10d06ee49ffe47182d9396d1be329fad3d426bcfc758293ee48360b579750e55d1cec6f4331a50401d86b537f9acd85b302d7e33f322c6b293caa3837fa
- SSDEEP 98304:u77mVLCUxHoMfQKKa97hJ5jIGxOLgZFh4WI8vd5:KmVLh6Kl975jywfnI8vd5
- TLSH T149E523A1B6D739F6D017C3F09692B26D71293F91AB275E0F77C87A000C57622AB36709
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\Pd23oN\adoresd.dat
- Size 4.8MB
- SHA256 449ee30574e23ae952a4e360ae6193e7f76e7cc88c743ec78b1e545f49b53e9f
- MD5 9c61bda7a5c35808447e7a10da5735f1
- SHA1 dc627e5cbc476f3ae0d7e700ae74932db4124b82
- SHA512 08136b7c4aa9e967401830bf4c89de17c73bc5d5372868806d4ef87ae970fd8370478c5f8397c370552ff2e290ce291e863ff475bb01d0ede8e4438cb7e8c714
- SSDEEP 98304:zuZ630UjjOt6udZuYb7Ad2WAqSFmtNYNF/ltN3fjZgRnXxs:0QDPnORb7AdPEm7Y7ltlVgxs
- TLSH T1D5363339536D9C62DDC7A0F8A49D4596FF683D60FAE2A006B47C1D213015DFB986FE08
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\Pd23oN\msadox.tb
- Size 8KB
- SHA256 9e5908fc197e182b11e1e3874706f0a36d8d4695a01dd994602b457efb72a4bc
- MD5 8c91e68bbaa1a9e7dbfbac877e09f541
- SHA1 8bf2d5c13b75d7dbb7395066acb7ae2bd081e943
- SHA512 2f31e2d4f6074587e5785d1b5e80ed97bfae1500039261585dd880566d3a8dbfc4c004fd65b06e958b425d748692fae019474b8b0fd85ad57e34d04b592f5c65
- SSDEEP 192:LqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:LsZqZOXQ3uqvR2Kfzp
- TLSH T16F029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\Pd23oN\u8ZWLR.exe
- Size 135KB
- SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
- MD5 9ec587911e501b73b7cf09f05d0ae17d
- SHA1 5b62403cc9a668c6e5c70ace177fd54fcc4c5936
- SHA512 d05468a472373815c46ccb46ec743408365d24982d10d8a23ee0036c28cf3dacd05d74304ef2d4b7118f91ff3f631f676b2e86ddee92a02cf988b0d3c6247847
- SSDEEP 3072:MmhXb5pgtiaRENEErO9Uj4OqhhUvB4BNgQaJ:MmjgtiayGErsUKh3To
- TLSH T1D0D38C2776A474F9E1778635C8511A1AE772B8760770CB9F03A442A62F237D19E3EF20
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSIA8E9.tmp
- Size 5.1MB
- SHA256 6552560b044ae2c00d23d310c39491cb8013f7f1bba2d2a40dcc074cb7ee74da
- MD5 d5f4f3f2313e40b1be48cb01cf034105
- SHA1 b3495689de8c7b24b331402045bdbc026d39791f
- SHA512 dbf56ff802256f8ee249bf318cb8fc9f09a779ed8cc47952087cf879bf57afc613e45a12f6724cfef1d4e9fe5983982851775d2cc8e9858aab04b546f52e5011
- SSDEEP 98304:BByTsw7SGaD1tivkRIUcQaUa6jfUK92s3PpLA9eFnJtM/dWmANhV7V2bcInt7:B6aD1tivkzla6jb92shLFnfQWmC0X
- TLSH T1794633D9BDC63670D2ABC7B80652A45EBC9837D6FEE14D0536D87B001EA3A015F3A346
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\e59a0ab.msi
- Size 5.2MB
- SHA256 872c8ab96cacb8fee4e93b203164a5ed5ab85fd3b9d67de2d88317a054e48284
- MD5 f1c900b06f3ffaab15f4548fb6d19e0d
- SHA1 a1f3f41b007f29c99bac8401db87a530a08c2b19
- SHA512 92b3344015daa03e71c2fc0709d85f66bcf378c90b59ec0b878cae29f0161d94c8a1060d8a7a2bcb51ff9505b49572a3b972326f6dd7161837d4c9470ea808f5
- SSDEEP 98304:4ByTsw7SGaD1tivkRIUcQaUa6jfUK92s3PpLA9eFnJtM/dWPANhV7V2bcInt9:46aD1tivkzla6jb92shLFnfQWPC0R
- TLSH T1444633D9B9C63671D2ABC7B40652A49EBC9C3FD6FEA14C0536D87B001E73A015B3A346
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 26.1MB
- SHA256 a40fabc78828944045d55a22192f7e1846832c5a0725d613f9f6feb3ab62a26f
- MD5 fb7ff639333fbd32aa7bf94510042951
- SHA1 e42d47b00d29826d9dfb7e9084df07e6714b4c59
- SHA512 6531791069e36f3b9edf1b37a8cff5f72bec683821e82ee84ee4b0ee79fc2d43d474fc814c2cf27034ea30e4c7f8b249a9c6f68960942b05bb7a8b6704e9c8bf
- SSDEEP 24576:YFo3DMPLdoO/vvTL/yQ2milAvr+89rBlUrAUtbYOQDY6ZxH2coB2m/cniuE:+Hs
- TLSH T11857C52536F92214F7F79E3CA8F0AA2349397D5BAC15DE8D06411B4E0821F71E872F66
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{9f7b2466-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{922288d2-a4df-4da6-b8f2-3f1e29d50eb2}_OnDiskSnapshotProp
- Size 6KB
- SHA256 61ae4ddabf7cc5e6406dc499c99e2235d6e3fbe7bfe26601d4efbf77f1949bdb
- MD5 2886a3c69669449239909ce852acab28
- SHA1 10c56f05b677d98847890f8781133459131a6b4d
- SHA512 49ace1dd606a78403d99a337bf36412ebab86346b7c3eb73a3d5c44cff18222069479010b13373d042d9410a3f6fba74656f509a616be8ddc043f4222e62f61a
- SSDEEP 96:Fx6l9vc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:zab++uVm
- TLSH T197D178185AE54711E2F3AB312DF18557A877B911EF33CB8E0198238E6630910F875F6B
- MD5 SHA1 SHA512 SSDEEP TLSH