Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 01:58
Static task
static1
Behavioral task
behavioral1
Sample
Install_28n001.msi
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Install_28n001.msi
Resource
win11ltsc2024-20260710-en
General
- Target Install_28n001.msi
- Size 7.7MB
- Sample260729-cdsxxade65
- SHA256 44fbb14988c67b4d2549be68f2efd5e3d8fa9fa3e9442cd83332d19710dc6105
- MD5 dd2cb48303aa6920ad906b7b19bff2f3
- SHA1 1d999b7d254ed7946fe7108d088c6aa8be656d66
- SHA512 dc4addbf0733772d065828f349d92cb9ef7725ae893158e04104cdea90c309dad5ec03716c53bc5ace2a008d3bc378b2b524dd621725c1fbb867be8da625665f
- SSDEEP 196608:seAG43NM5TGvnbQvQ3DyB0gqqB9er7sR1hvBmSC0ETfnuI8KhonQWDO:nAGiNMwnbQvQTyhv92ALhve0ETWI8Kh3
- TLSH T1038633C2BCC133B0D597C3F48593A8BEBD687F45FA524C976AC478241E7322A2A76714
- 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 = "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 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\OspK8I = "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 5476 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 432 krRRxu.exe - Loads dropped DLL 2 IoCs
pid Process 5712 MsiExec.exe 432 krRRxu.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\\OspK8I\\krRRxu.exe\"" krRRxu.exe - Badlisted process makes network request 7 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 2 5712 MsiExec.exe 3 5712 MsiExec.exe 4 5712 MsiExec.exe 7 5712 MsiExec.exe 9 5712 MsiExec.exe 10 5712 MsiExec.exe 11 5712 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) \??\Y: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\R: 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 5896 cmd.exe 2816 cmd.exe 3208 cmd.exe 5472 cmd.exe 4252 cmd.exe - Drops file in System32 directory 8 IoCs
description ioc Process 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 created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b krRRxu.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\MetaData\B039FEA45CB4CC4BBACFC013C7C55604_FA4759C1FDA1D5B56F6A969553761240 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B039FEA45CB4CC4BBACFC013C7C55604_FA4759C1FDA1D5B56F6A969553761240 MsiExec.exe - Drops file in Windows directory 13 IoCs
description ioc Process File created C:\Windows\Installer\SourceHash{1A6C27A2-FA3D-F13A-46E4-B05FDEE281FB} msiexec.exe File created C:\Windows\SystemTemp\~DF523AE886140F51D9.TMP msiexec.exe File created C:\Windows\SystemTemp\~DFEDDEB7E77D0CAFBC.TMP msiexec.exe File created C:\Windows\Installer\e599f53.msi msiexec.exe File opened for modification C:\Windows\Installer\e599f53.msi 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 created C:\Windows\SystemTemp\~DFF38919E020E774CB.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSIA3E7.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIA4B3.tmp msiexec.exe File created C:\Windows\Installer\e599f55.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\SystemTemp\~DF446E8CB903AEB747.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 4116 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 2404 cmd.exe 1664 cmd.exe 4876 cmd.exe 1048 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 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 = 000000000400000085dc765dd76e689e0000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c012000000000000000000000000270101000088380185dc765d0000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e8410185dc765d000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e385dc765d00000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e685dc765d00000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process 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\IntranetName = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" MsiExec.exe Key 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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "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\Classes\Local Settings\MuiCache\28 msiexec.exe - Modifies registry class 22 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\Clients = 3a0000000000 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\AuthorizedLUAApp = "0" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\Media msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\ProductName = "CNAPP Licensing Dll" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\PackageCode = "016BFF8D9B3A9E745AC40687F3D0AD47" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\Media\1 = ";" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\2A72C6A1D3AFA31F644E0BF5ED2E18BF msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF 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\AdvertiseFlags = "388" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\InstanceType = "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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\41FC6B43184718F22B055265DD07D941\2A72C6A1D3AFA31F644E0BF5ED2E18BF msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\2A72C6A1D3AFA31F644E0BF5ED2E18BF\UuueatYAD msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\Version = "84017285" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2A72C6A1D3AFA31F644E0BF5ED2E18BF\SourceList\Net 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 1464 schtasks.exe 1816 schtasks.exe 4496 schtasks.exe 3312 schtasks.exe 4472 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4860 msiexec.exe 4860 msiexec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 5712 MsiExec.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.exe 432 krRRxu.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 4116 msiexec.exe Token: SeIncreaseQuotaPrivilege 4116 msiexec.exe Token: SeSecurityPrivilege 4860 msiexec.exe Token: SeCreateTokenPrivilege 4116 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4116 msiexec.exe Token: SeLockMemoryPrivilege 4116 msiexec.exe Token: SeIncreaseQuotaPrivilege 4116 msiexec.exe Token: SeMachineAccountPrivilege 4116 msiexec.exe Token: SeTcbPrivilege 4116 msiexec.exe Token: SeSecurityPrivilege 4116 msiexec.exe Token: SeTakeOwnershipPrivilege 4116 msiexec.exe Token: SeLoadDriverPrivilege 4116 msiexec.exe Token: SeSystemProfilePrivilege 4116 msiexec.exe Token: SeSystemtimePrivilege 4116 msiexec.exe Token: SeProfSingleProcessPrivilege 4116 msiexec.exe Token: SeIncBasePriorityPrivilege 4116 msiexec.exe Token: SeCreatePagefilePrivilege 4116 msiexec.exe Token: SeCreatePermanentPrivilege 4116 msiexec.exe Token: SeBackupPrivilege 4116 msiexec.exe Token: SeRestorePrivilege 4116 msiexec.exe Token: SeShutdownPrivilege 4116 msiexec.exe Token: SeDebugPrivilege 4116 msiexec.exe Token: SeAuditPrivilege 4116 msiexec.exe Token: SeSystemEnvironmentPrivilege 4116 msiexec.exe Token: SeChangeNotifyPrivilege 4116 msiexec.exe Token: SeRemoteShutdownPrivilege 4116 msiexec.exe Token: SeUndockPrivilege 4116 msiexec.exe Token: SeSyncAgentPrivilege 4116 msiexec.exe Token: SeEnableDelegationPrivilege 4116 msiexec.exe Token: SeManageVolumePrivilege 4116 msiexec.exe Token: SeImpersonatePrivilege 4116 msiexec.exe Token: SeCreateGlobalPrivilege 4116 msiexec.exe Token: SeBackupPrivilege 4256 vssvc.exe Token: SeRestorePrivilege 4256 vssvc.exe Token: SeAuditPrivilege 4256 vssvc.exe Token: SeBackupPrivilege 4860 msiexec.exe Token: SeRestorePrivilege 4860 msiexec.exe Token: SeRestorePrivilege 4860 msiexec.exe Token: SeTakeOwnershipPrivilege 4860 msiexec.exe Token: SeRestorePrivilege 4860 msiexec.exe Token: SeTakeOwnershipPrivilege 4860 msiexec.exe Token: SeRestorePrivilege 4860 msiexec.exe Token: SeTakeOwnershipPrivilege 4860 msiexec.exe Token: SeBackupPrivilege 4732 srtasks.exe Token: SeRestorePrivilege 4732 srtasks.exe Token: SeSecurityPrivilege 4732 srtasks.exe Token: SeTakeOwnershipPrivilege 4732 srtasks.exe Token: SeBackupPrivilege 4732 srtasks.exe Token: SeRestorePrivilege 4732 srtasks.exe Token: SeSecurityPrivilege 4732 srtasks.exe Token: SeTakeOwnershipPrivilege 4732 srtasks.exe Token: SeRestorePrivilege 4860 msiexec.exe Token: SeTakeOwnershipPrivilege 4860 msiexec.exe Token: SeRestorePrivilege 4860 msiexec.exe Token: SeTakeOwnershipPrivilege 4860 msiexec.exe Token: SeRestorePrivilege 4860 msiexec.exe Token: SeTakeOwnershipPrivilege 4860 msiexec.exe Token: SeRestorePrivilege 4860 msiexec.exe Token: SeTakeOwnershipPrivilege 4860 msiexec.exe Token: SeRestorePrivilege 4860 msiexec.exe Token: SeTakeOwnershipPrivilege 4860 msiexec.exe Token: SeRestorePrivilege 4860 msiexec.exe Token: SeTakeOwnershipPrivilege 4860 msiexec.exe Token: SeRestorePrivilege 4860 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4116 msiexec.exe 4116 msiexec.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4116 msiexec.exe 4860 msiexec.exe 5712 MsiExec.exe - Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 4860 wrote to memory of 4732 4860 msiexec.exe 94 PID 4860 wrote to memory of 5712 4860 msiexec.exe 96 PID 432 wrote to memory of 5476 432 krRRxu.exe 101 PID 432 wrote to memory of 5896 432 krRRxu.exe 103 PID 5896 wrote to memory of 3312 5896 cmd.exe 105 PID 5896 wrote to memory of 5360 5896 cmd.exe 107 PID 432 wrote to memory of 2816 432 krRRxu.exe 108 PID 5896 wrote to memory of 4372 5896 cmd.exe 112 PID 2816 wrote to memory of 4472 2816 cmd.exe 113 PID 2816 wrote to memory of 5412 2816 cmd.exe 114 PID 2816 wrote to memory of 4624 2816 cmd.exe 115 PID 432 wrote to memory of 3208 432 krRRxu.exe 117 PID 3208 wrote to memory of 1464 3208 cmd.exe 119 PID 3208 wrote to memory of 3236 3208 cmd.exe 120 PID 3208 wrote to memory of 616 3208 cmd.exe 122 PID 432 wrote to memory of 5472 432 krRRxu.exe 123 PID 5472 wrote to memory of 1816 5472 cmd.exe 125 PID 5472 wrote to memory of 368 5472 cmd.exe 126 PID 5472 wrote to memory of 860 5472 cmd.exe 128 PID 1664 wrote to memory of 5960 1664 cmd.exe 131 PID 1048 wrote to memory of 4984 1048 cmd.exe 132 PID 432 wrote to memory of 4252 432 krRRxu.exe 133 PID 4252 wrote to memory of 4496 4252 cmd.exe 136 PID 4252 wrote to memory of 4584 4252 cmd.exe 137 PID 4252 wrote to memory of 2536 4252 cmd.exe 139 PID 2404 wrote to memory of 4204 2404 cmd.exe 135 PID 4876 wrote to memory of 4676 4876 cmd.exe 142 - 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
- Suspicious use of SetWindowsHookEx
PID:4116
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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:4860 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:4732
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 36116F432BC364171F6B2C283F04F409 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:5712
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4256
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5776
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C:\Users\Public\OspK8I\krRRxu.exe"C:\Users\Public\OspK8I\krRRxu.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:432 -
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:5476
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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\OspK8I\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:5896 -
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\OspK8I\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:3312
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5360
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4372
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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:2816 -
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:4472
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5412
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4624
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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:3208 -
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:1464
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3236
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:616
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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:5472 -
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:1816
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:368
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:860
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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:4252 -
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:4496
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4584
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2536
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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\OspK8I" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\OspK8I" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4984
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C:\Windows\system32\cmd.execmd.exe1⤵PID:3516
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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:2404 -
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:4204
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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:1664 -
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:5960
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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:4876 -
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:4676
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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\e599f54.rbs
- Size 7KB
- SHA256 698d587a49e3501c66c78bcc2e51c7f250130c94e24a195222d7cdc4c3512da9
- MD5 50caacca446ce85ee586e1eabc42646a
- SHA1 215c557afbe8e807b251688b4e0553b193f4ddeb
- SHA512 330eeb7f1be2013ce06365e982d0a8dcc1aec7b2b65dddcfb2db8bfab8b59c1173ab7052918348023568dde30d5063780428da06bc3969018396dfea020dd8b1
- SSDEEP 96:qVHP6UGgu0C7NxUUjdH021CsThqK/UjdH021C6jdAsDThqKjHKIK5RPWELEyE/Y4:qVvDXC3zxU2IIBsxU2ISBaHtI53Kp0
- TLSH T156F1FF46B20481E2E9976730CF271F263BB3D3E49314630B0ADE84749E4738D6EA619E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\OspK8I\UxEnhance64.dll
- Size 3.1MB
- SHA256 e61702c117f0fbb0b9c0b51d0fdec6b32de2cd76720c64797a841c3efd4b16a5
- MD5 8725849b3787d77c5217f5367155b82c
- SHA1 703cb1851349ddfe8f555498b11b91a04ac32399
- SHA512 e30db6e4d2f341088735c55fe9db437b415f62702a82de6014938ebc7d8b5c8ec605e6d54be687da6cc8fd6710f80fc34a849f4f9b1f5ab74f6b8d21801785d3
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+M:P9m29xx3Tiqt06ox6+z2rNNrKoM
- TLSH T179E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\OspK8I\adoresd.dat
- Size 4.8MB
- SHA256 a98529417571625b9f4bbca59ae72ddde58a4ca8c92abf9c54955300b01736a7
- MD5 5cc3f1dc5a6e06090103ee23217bf7b6
- SHA1 b81f281697b504211e7928458a50b783457ae96c
- SHA512 830147f647769da3f8ae19dfa5aae5da725d89aab782e2a6d57b56a369d3fe37a2730ac17064216b3ca745250522b34030667ec0715bf0b2ced505b9beec7de4
- SSDEEP 98304:GuZ630UjjOt6udZuYb7Ad2WAqSFmtNYNF/ltN3fjZgRnXxs:LQDPnORb7AdPEm7Y7ltlVgxs
- TLSH T136363339536D9C62DDC7A0F8A49E4596FF683D60FAE2A006B47C1D213015DFB986FE08
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\OspK8I\krRRxu.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\OspK8I\msadox.tb
- Size 8KB
- SHA256 bc58f6a3b77d963ae9cd56f3e7b96983f0cb72350e27f53897ca425ec6d8379a
- MD5 9cbd1a565eacb849998666604ba6cedb
- SHA1 75d5ebf764039b588fb6c91f6f8f8509fd86cb38
- SHA512 6ef839aa361f78ace9610fe4a1fc3e90b574b8bdbd5f1f3ff17dd80e3ba27e9c58080c82d7842b01a3d5b4b204806aa7a23a0ceb87c05a45bde8173bc6f915af
- SSDEEP 192:iqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:isZqZOXQ3uqvR2Kfzp
- TLSH T188029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSIA4B3.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\e599f53.msi
- Size 7.7MB
- SHA256 44fbb14988c67b4d2549be68f2efd5e3d8fa9fa3e9442cd83332d19710dc6105
- MD5 dd2cb48303aa6920ad906b7b19bff2f3
- SHA1 1d999b7d254ed7946fe7108d088c6aa8be656d66
- SHA512 dc4addbf0733772d065828f349d92cb9ef7725ae893158e04104cdea90c309dad5ec03716c53bc5ace2a008d3bc378b2b524dd621725c1fbb867be8da625665f
- SSDEEP 196608:seAG43NM5TGvnbQvQ3DyB0gqqB9er7sR1hvBmSC0ETfnuI8KhonQWDO:nAGiNMwnbQvQTyhv92ALhve0ETWI8Kh3
- TLSH T1038633C2BCC133B0D597C3F48593A8BEBD687F45FA524C976AC478241E7322A2A76714
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 26.1MB
- SHA256 628577ecea625408cd2ed185fc820dad0757454ac90f89917ed0ff8114a1f9f3
- MD5 1c0f96052597d8263f38db1f8f66ca89
- SHA1 30ef87701ef244af549111105c6b9792f05aad04
- SHA512 5acb44a38e1209a9abc610be53ab426a205f669d6745d33f2236d79388fd233678b731b827622e751cef94afd6748dd98cfa521b36456919dd1134eb6d854623
- SSDEEP 24576:1Fo3DMPLdoO/vvTL/yQAQiFAvLeqrLXzU9WCtNuYm1ua5nxg8IhWwpKx0uO:bHc
- TLSH T1A857A52476F92200E7B79E3CA8F06A238D397D579C15DE8D45421B4E0922F71E872F6B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{5d76dc85-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{c219902d-a34b-46ac-add7-c848d787f8d1}_OnDiskSnapshotProp
- Size 6KB
- SHA256 967f20adce076b69a65687e70c1ef6cb0eb0cfb7e148dde3520a9fd284755101
- MD5 9f4d8e5b10a6ff4e9cc96012cda9cda6
- SHA1 3304c20572a0e87181a8c5d05dff35ddbf780985
- SHA512 04d7ae79043cab400c7f4a74a6bd954cb7703201a02f3226303f398dc5017d53356e866f5cbc02bb400857f2add402271c510f34b02e43aed4809f6ea30b3fc2
- SSDEEP 96:Fn22E0Uvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:l2Bb++uVm
- TLSH T164D186084AE54711E2B3AB3128F18557A877B811EF33CB8E0198238E6630A10F975F6F
- MD5 SHA1 SHA512 SSDEEP TLSH