Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 03:42
Static task
static1
Behavioral task
behavioral1
Sample
install_b6j009.msi
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
install_b6j009.msi
Resource
win11ltsc2024-20260709-en
General
- Target install_b6j009.msi
- Size 7.3MB
- Sample260804-d9f4navwcz
- SHA256 5bfa0c5e9f7d311bd3cba1e6962eefb85ffad1fe5a0055dd3c41a8507c79130d
- MD5 af159a0e1a39f98eda560157bf7fb234
- SHA1 4f5cfc3a4348f54731f8764e1131001414dde3be
- SHA512 f4839ed3f2a6753f64d23c5ecac1e346df5f368edad59dfbaeb4ac5d2c605da0d4409044eeff56d9d13deb00ce679ed232102499ea09b376bf150cc7bcfe69f1
- SSDEEP 196608:QXt55xUprACGzmK3wQSmAglLRZdJ4hzj6nxCx0:oGrAhl3wQSmAgldeljyQx0
- TLSH T1F176338ABE8167B5C09BC3785246358F7579BFC66E3E8C0632E87E482E327176071749
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Windows security bypass 2 TTPs 10 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\ProgramData = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths 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\Public\ASyHsL = "0" reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users = "0" reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Program Files (x86) = "0" 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 3788 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 1364 a58K7m.exe - Loads dropped DLL 2 IoCs
pid Process 3680 MsiExec.exe 1364 a58K7m.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\\ASyHsL\\a58K7m.exe\"" a58K7m.exe - Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 9 3680 MsiExec.exe 10 3680 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) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: 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) \??\N: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 4920 cmd.exe 1996 cmd.exe 3292 cmd.exe 6784 cmd.exe 1384 cmd.exe - Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\01C6E817D6CDFECAEC27F2EB1524A7A6_905E6EE25CEC96FCC88A884EFC247049 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\01C6E817D6CDFECAEC27F2EB1524A7A6_905E6EE25CEC96FCC88A884EFC247049 MsiExec.exe File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b a58K7m.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6 MsiExec.exe - Drops file in Windows directory 13 IoCs
description ioc Process File created C:\Windows\SystemTemp\~DF7CB51C242A265B8C.TMP msiexec.exe File created C:\Windows\Installer\SourceHash{B0831565-6686-6851-9C74-E6F739A50195} msiexec.exe File created C:\Windows\SystemTemp\~DF2DCEC7FFCFCD9F0A.TMP msiexec.exe File created C:\Windows\SystemTemp\~DF949CB1BCCAC448AF.TMP msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI9BB9.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9C66.tmp msiexec.exe File created C:\Windows\Installer\e599776.msi msiexec.exe File created C:\Windows\SystemTemp\~DF8829CD5D574B8317.TMP msiexec.exe File created C:\Windows\Installer\e599774.msi msiexec.exe File opened for modification C:\Windows\Installer\e599774.msi msiexec.exe File opened for modification C:\Windows\Installer\ 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 2884 msiexec.exe - Executes a command shell one-liner 1 TTPs 5 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4104 cmd.exe 6320 cmd.exe 6920 cmd.exe 4664 cmd.exe 4540 cmd.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 = 0000000004000000392849c4232396370000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c0120000000000000000000000002701010000883801392849c40000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e84101392849c4000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e3392849c400000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e6392849c400000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\AutoDetect = "0" 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\Classes\Local Settings\MuiCache\28 msiexec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" MsiExec.exe - Modifies registry class 22 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\Media msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\Clients = 3a0000000000 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\Version = "84017285" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\Assignment = "1" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\InstanceType = "0" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\DeploymentFlags = "3" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\Net msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5651380B68661586C9476E7F935A1059 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\Media\1 = ";" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\ProductName = "UNITAT Licensing Dll" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\AuthorizedLUAApp = "0" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\DF0DC009059FB39AE56CA70DA425EB38\5651380B68661586C9476E7F935A1059 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\SourceList\PackageName = "install_b6j009.msi" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5651380B68661586C9476E7F935A1059\UuueatYAD msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\PackageCode = "24796C4BDC1E4C54B9BC22AD0B6464F5" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5651380B68661586C9476E7F935A1059\AdvertiseFlags = "388" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\DF0DC009059FB39AE56CA70DA425EB38 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 468 schtasks.exe 4380 schtasks.exe 6088 schtasks.exe 828 schtasks.exe 5048 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 6180 msiexec.exe 6180 msiexec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe 1364 a58K7m.exe - Suspicious behavior: LoadsDriver 6 IoCs
pid Process 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2884 msiexec.exe Token: SeIncreaseQuotaPrivilege 2884 msiexec.exe Token: SeSecurityPrivilege 6180 msiexec.exe Token: SeCreateTokenPrivilege 2884 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2884 msiexec.exe Token: SeLockMemoryPrivilege 2884 msiexec.exe Token: SeIncreaseQuotaPrivilege 2884 msiexec.exe Token: SeMachineAccountPrivilege 2884 msiexec.exe Token: SeTcbPrivilege 2884 msiexec.exe Token: SeSecurityPrivilege 2884 msiexec.exe Token: SeTakeOwnershipPrivilege 2884 msiexec.exe Token: SeLoadDriverPrivilege 2884 msiexec.exe Token: SeSystemProfilePrivilege 2884 msiexec.exe Token: SeSystemtimePrivilege 2884 msiexec.exe Token: SeProfSingleProcessPrivilege 2884 msiexec.exe Token: SeIncBasePriorityPrivilege 2884 msiexec.exe Token: SeCreatePagefilePrivilege 2884 msiexec.exe Token: SeCreatePermanentPrivilege 2884 msiexec.exe Token: SeBackupPrivilege 2884 msiexec.exe Token: SeRestorePrivilege 2884 msiexec.exe Token: SeShutdownPrivilege 2884 msiexec.exe Token: SeDebugPrivilege 2884 msiexec.exe Token: SeAuditPrivilege 2884 msiexec.exe Token: SeSystemEnvironmentPrivilege 2884 msiexec.exe Token: SeChangeNotifyPrivilege 2884 msiexec.exe Token: SeRemoteShutdownPrivilege 2884 msiexec.exe Token: SeUndockPrivilege 2884 msiexec.exe Token: SeSyncAgentPrivilege 2884 msiexec.exe Token: SeEnableDelegationPrivilege 2884 msiexec.exe Token: SeManageVolumePrivilege 2884 msiexec.exe Token: SeImpersonatePrivilege 2884 msiexec.exe Token: SeCreateGlobalPrivilege 2884 msiexec.exe Token: SeBackupPrivilege 4888 vssvc.exe Token: SeRestorePrivilege 4888 vssvc.exe Token: SeAuditPrivilege 4888 vssvc.exe Token: SeBackupPrivilege 6180 msiexec.exe Token: SeRestorePrivilege 6180 msiexec.exe Token: SeRestorePrivilege 6180 msiexec.exe Token: SeTakeOwnershipPrivilege 6180 msiexec.exe Token: SeRestorePrivilege 6180 msiexec.exe Token: SeTakeOwnershipPrivilege 6180 msiexec.exe Token: SeRestorePrivilege 6180 msiexec.exe Token: SeTakeOwnershipPrivilege 6180 msiexec.exe Token: SeBackupPrivilege 4100 srtasks.exe Token: SeRestorePrivilege 4100 srtasks.exe Token: SeSecurityPrivilege 4100 srtasks.exe Token: SeTakeOwnershipPrivilege 4100 srtasks.exe Token: SeBackupPrivilege 4100 srtasks.exe Token: SeRestorePrivilege 4100 srtasks.exe Token: SeSecurityPrivilege 4100 srtasks.exe Token: SeTakeOwnershipPrivilege 4100 srtasks.exe Token: SeRestorePrivilege 6180 msiexec.exe Token: SeTakeOwnershipPrivilege 6180 msiexec.exe Token: SeRestorePrivilege 6180 msiexec.exe Token: SeTakeOwnershipPrivilege 6180 msiexec.exe Token: SeRestorePrivilege 6180 msiexec.exe Token: SeTakeOwnershipPrivilege 6180 msiexec.exe Token: SeRestorePrivilege 6180 msiexec.exe Token: SeTakeOwnershipPrivilege 6180 msiexec.exe Token: SeRestorePrivilege 6180 msiexec.exe Token: SeTakeOwnershipPrivilege 6180 msiexec.exe Token: SeRestorePrivilege 6180 msiexec.exe Token: SeTakeOwnershipPrivilege 6180 msiexec.exe Token: SeRestorePrivilege 6180 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2884 msiexec.exe 2884 msiexec.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2884 msiexec.exe 6180 msiexec.exe 3680 MsiExec.exe - Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 6180 wrote to memory of 4100 6180 msiexec.exe 96 PID 6180 wrote to memory of 3680 6180 msiexec.exe 98 PID 1364 wrote to memory of 3788 1364 a58K7m.exe 102 PID 1364 wrote to memory of 4920 1364 a58K7m.exe 103 PID 4920 wrote to memory of 4380 4920 cmd.exe 106 PID 4920 wrote to memory of 1476 4920 cmd.exe 107 PID 4920 wrote to memory of 3544 4920 cmd.exe 110 PID 1364 wrote to memory of 1996 1364 a58K7m.exe 112 PID 1996 wrote to memory of 6088 1996 cmd.exe 114 PID 1996 wrote to memory of 5540 1996 cmd.exe 115 PID 1996 wrote to memory of 5812 1996 cmd.exe 117 PID 6920 wrote to memory of 2836 6920 cmd.exe 120 PID 4664 wrote to memory of 4564 4664 cmd.exe 121 PID 1364 wrote to memory of 3292 1364 a58K7m.exe 122 PID 3292 wrote to memory of 828 3292 cmd.exe 124 PID 3292 wrote to memory of 6536 3292 cmd.exe 125 PID 3292 wrote to memory of 4944 3292 cmd.exe 127 PID 1364 wrote to memory of 6784 1364 a58K7m.exe 129 PID 6784 wrote to memory of 5048 6784 cmd.exe 131 PID 6784 wrote to memory of 1188 6784 cmd.exe 132 PID 6784 wrote to memory of 1500 6784 cmd.exe 134 PID 4540 wrote to memory of 6780 4540 cmd.exe 136 PID 1364 wrote to memory of 1384 1364 a58K7m.exe 137 PID 1384 wrote to memory of 468 1384 cmd.exe 139 PID 1384 wrote to memory of 1912 1384 cmd.exe 141 PID 1384 wrote to memory of 4208 1384 cmd.exe 143 PID 4104 wrote to memory of 5348 4104 cmd.exe 145 PID 6320 wrote to memory of 6872 6320 cmd.exe 146 - 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\install_b6j009.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2884
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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:6180 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:4100
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding E3A65BF0EC3F4EDD127CBFD463D14297 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 SetWindowsHookEx
PID:3680
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4888
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C:\Users\Public\ASyHsL\a58K7m.exe"C:\Users\Public\ASyHsL\a58K7m.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:1364 -
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:3788
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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\ASyHsL\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:4920 -
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\ASyHsL\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4380
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1476
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3544
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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:1996 -
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:6088
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5540
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:5812
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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:3292 -
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:828
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:6536
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4944
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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:6784 -
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:5048
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1188
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1500
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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:1384 -
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:468
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:1912
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4208
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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\ASyHsL" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:6920 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\ASyHsL" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:2836
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C:\Windows\system32\cmd.execmd.exe1⤵PID:4580
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4564
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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⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4540 -
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:6780
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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⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4104 -
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:5348
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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⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:6320 -
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:6872
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
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\e599775.rbs
- Size 7KB
- SHA256 3cab65a48fdc335f2694dc818367ad2e7474898e9fb8d91b28355c03b6dff4c2
- MD5 8738846436a0b7a6f93cc039aee98a37
- SHA1 3be2215d73fbac9761c5ef2a3495dafc885924db
- SHA512 f1c0ab6ea9ff8de99c36d8b9fa474d46343619f6a79e64750a49680bd9ea58cf89a8db16c6ee736b66bca667a1e96e1a369dc4c23d4b7231e2ba8b3fad0bf8ae
- SSDEEP 96:IuuLwguT7RCvPCPaUUTvK1CsThq5UTvK1C6joXPxtThqxH6S5ivW1EVuCKpljxag:IuuUCdzrKIIXrKIb8kXKpLP
- TLSH T1C4F1FB42A700E6F3EF961B75C713176637B3E3E89220574F099D88701E5638C6E9A29F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\ASyHsL\UxEnhance64.dll
- Size 3.1MB
- SHA256 40eaea89460844e97db117fbaf0f93ae2305c03fde7b51e9c06c67dfa9a73cc4
- MD5 a66ce4db5cf0be4f0d5117c3edb21d54
- SHA1 a43249f1da0837a7c5efb1ef724310fe4ce5e084
- SHA512 71ff62256730cf1029870751d0efb0ca81fe66c7146c3965415db2744ef813c61f34bd48c49c1f6c38fa06b2a46681b19f21c70e157fd68d69a15b7cfe063083
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+N:P9m29xx3Tiqt06ox6+z2rNNrKoN
- TLSH T15DE523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\ASyHsL\a58K7m.exe
- Size 135KB
- SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
- MD5 9ec587911e501b73b7cf09f05d0ae17d
- SHA1 5b62403cc9a668c6e5c70ace177fd54fcc4c5936
- SHA512 d05468a472373815c46ccb46ec743408365d24982d10d8a23ee0036c28cf3dacd05d74304ef2d4b7118f91ff3f631f676b2e86ddee92a02cf988b0d3c6247847
- SSDEEP 3072:MmhXb5pgtiaRENEErO9Uj4OqhhUvB4BNgQaJ:MmjgtiayGErsUKh3To
- TLSH T1D0D38C2776A474F9E1778635C8511A1AE772B8760770CB9F03A442A62F237D19E3EF20
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\ASyHsL\adoresd.dat
- Size 4.7MB
- SHA256 a5e7e7b12989d7fd15222af360e9c593d861faffc83f57e84a6fbd706e23b9bb
- MD5 85ba08a7e02f50f46fb819b6d009cf5a
- SHA1 845b079f0bb92f3ef926ff34fb29bec79d2662d4
- SHA512 88b7f93e6e235fe1ccd6e8b60bec78d93835b0c0b9713e1650de74746930c06614527a22a61b9e7a9cc5e78762f734d6aa4669b871219d7d56bdd1cb0a6377a4
- SSDEEP 98304:fmu1SwODpRGIRdXEMZYe6rFLoTTpMk6ZGvQv0Ss2i+XZXea1v5WZd8uCp:Ou1SwOflfZPF6Ma0bsoa5+qd
- TLSH T1BF3633368AE6F5C7E35B2A0AF36888DD12B0B7AD6E9D75C24AF070145DB30CE9015BC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\ASyHsL\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:\Windows\Installer\MSI9C66.tmp
- Size 7.3MB
- SHA256 011fcae98dadfb143cb566922996c9c9c8c9fcc301644e3544eee8077243449f
- MD5 23a581e35eb371f5021248035f9a09a0
- SHA1 0033ef613a3ef4a33374869d5406ec033d1f9804
- SHA512 81206048712312d7f1f6b9b03993112b72493abeffb2afff32b32b296a44ca98ea08ecf39c8d248123fcf8c223575250d3e3e62e61a44b9a3f8ff1ecce212b9d
- SSDEEP 196608:NXt55xUprACGzmK3wQSzAglLRZdJ4hzj6nxCxd:pGrAhl3wQSzAgldeljyQxd
- TLSH T14276338ABE9263B4C09BC3BC5246359F7579BBC76D3E8C0636E86D482E727076070749
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\e599774.msi
- Size 7.3MB
- SHA256 5bfa0c5e9f7d311bd3cba1e6962eefb85ffad1fe5a0055dd3c41a8507c79130d
- MD5 af159a0e1a39f98eda560157bf7fb234
- SHA1 4f5cfc3a4348f54731f8764e1131001414dde3be
- SHA512 f4839ed3f2a6753f64d23c5ecac1e346df5f368edad59dfbaeb4ac5d2c605da0d4409044eeff56d9d13deb00ce679ed232102499ea09b376bf150cc7bcfe69f1
- SSDEEP 196608:QXt55xUprACGzmK3wQSmAglLRZdJ4hzj6nxCx0:oGrAhl3wQSmAgldeljyQx0
- TLSH T1F176338ABE8167B5C09BC3785246358F7579BFC66E3E8C0632E87E482E327176071749
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 26.1MB
- SHA256 aba0aa24024e7121c67e60833861ed774895c3be3fb720c67bab2fbe3ef3ae70
- MD5 26faaa41e42024a486748fe00856406c
- SHA1 e25f86fdf3c0d34d41f1860ae22843fc315934f3
- SHA512 1f78055187315f83b0459fab75afeea6a556fc2c79e64ee0b90f698a407c8088ffb0942fbb1988620b27e5733a7e4854f9e0364e3a92c4d8920fdf7d38144143
- SSDEEP 24576:CFo3DMPldoO/vvTL/yAQQiVQfL+a77XDkNmSdNe4mlea53hg8YxWA5KRE+i:qHQ
- TLSH T1B157E42436F92111E7F79E3CA8F06A274D397D979C19DE8D05811B4E0822F71E872F6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{c4492839-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{42f0d314-092d-4d21-9dc0-79c49a7bfd59}_OnDiskSnapshotProp
- Size 6KB
- SHA256 a9663e3dd2438c0209325683073b421997103cd16d6eed90378c1833e627116a
- MD5 d788c6c9145f0a576ab23512028f33cf
- SHA1 13f0f3e96b13896dae3e577cb78a37e7ae5fdca9
- SHA512 09a5b124ce4c11f93bcaf4d968f15d2a24c42f171d649883a73b26342f47bfa5c96f52c3258a88e6693fd397582ac550f0a21307d57d128fcb464f2e11028af6
- SSDEEP 96:FoMcavc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpuN:qIb++uVmN
- TLSH T12DD198185AF54711E2B3AB3229F18557A877B811EF33CB8E0198238E6631910F935F6F
- MD5 SHA1 SHA512 SSDEEP TLSH