Analysis
- max time kernel
150s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/07/2026, 03:54
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
install_mal004.msi
Resource
win10v2004-20260513-en
windows10-2004-x64
24 signatures
150 seconds
Behavioral task
behavioral2
Sample
install_mal004.msi
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
25 signatures
150 seconds
General
- Target install_mal004.msi
- Size 7.7MB
- Sample260731-egkrtacc52
- SHA256 8e1466594c30ec53f5c3bf8769f5bb67628f06586cb63fb5232c4a7d3a70ff50
- MD5 7e313f7a82f8bf933cdea3390cf4c187
- SHA1 209b3592dda535a8a1f726d4d3287c749029a637
- SHA512 8129039e48c23f16425a6cf368ee9beeb2009a24ed0d01dc9ae37426d4d900726b47aecba67498a07f1dfe765698f685e8ddc0d85294cc375f6dd3637846ce92
- SSDEEP 196608:yvA8KuUBIeMpGZt46NuHbhypJRWt4zEAYsHCPefrEx:yPKfBIe9y66qJ4CYmzr+
- TLSH T1808633C87CCDA674C1A3C77546C3645E3D387FD277AA8E1BBA5536002D32236277A289
- 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:\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\Public\pFJ03y = "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 - 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 3036 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 556 oJBVAK.exe - Loads dropped DLL 2 IoCs
pid Process 1500 MsiExec.exe 556 oJBVAK.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\\pFJ03y\\oJBVAK.exe\"" oJBVAK.exe - Badlisted process makes network request 6 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 12 1500 MsiExec.exe 14 1500 MsiExec.exe 15 1500 MsiExec.exe 17 1500 MsiExec.exe 18 1500 MsiExec.exe 20 1500 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) \??\I: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 3240 cmd.exe 3504 cmd.exe 4340 cmd.exe 1880 cmd.exe 1504 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\Content\D077F3BA01F0F2293C650040B1B80D25_46BE3773AFCF70DA60E4725C8326A576 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0766DB9AB186806BB9A6B6802D3BA734 MsiExec.exe File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b oJBVAK.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 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\MetaData\0766DB9AB186806BB9A6B6802D3BA734 MsiExec.exe - Drops file in Windows directory 13 IoCs
description ioc Process File created C:\Windows\Installer\e597f89.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\~DF6DD62CE2D1734C51.TMP msiexec.exe File created C:\Windows\SystemTemp\~DFC81C6A920BA23064.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSI8505.tmp msiexec.exe File created C:\Windows\SystemTemp\~DFFF5C5933C455FC3F.TMP msiexec.exe File created C:\Windows\SystemTemp\~DF7D8C8377493A1516.TMP msiexec.exe File created C:\Windows\Installer\e597f87.msi msiexec.exe File opened for modification C:\Windows\Installer\e597f87.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\SourceHash{4CA0D086-AA26-797D-3C5F-028810CDD1E6} msiexec.exe File opened for modification C:\Windows\Installer\MSI85A2.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 5764 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 3544 cmd.exe 1588 cmd.exe 920 cmd.exe 2228 cmd.exe - Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 0000000004000000508ea0cb0cbd3e300000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c0120000000000000000000000002701010000883801508ea0cb0000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e84101508ea0cb000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e3508ea0cb00000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e6508ea0cb00000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 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 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 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process 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\AutoDetect = "0" 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\IntranetName = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" MsiExec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing MsiExec.exe Key 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 - Modifies registry class 22 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\EE0DD599FAE22DB2585D0B62A28731E0 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\InstanceType = "0" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\AuthorizedLUAApp = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\Net msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\680D0AC462AAD797C3F5208801DC1D6E msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\Assignment = "1" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\Clients = 3a0000000000 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\680D0AC462AAD797C3F5208801DC1D6E\UuueatYAD msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\ProductName = "ENCPP Licensing Dll" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\PackageCode = "DE76FCE7A6113F248A671CD22B5F78ED" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\Version = "84017285" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\AdvertiseFlags = "388" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\DeploymentFlags = "3" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\EE0DD599FAE22DB2585D0B62A28731E0\680D0AC462AAD797C3F5208801DC1D6E msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\PackageName = "install_mal004.msi" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\Media msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\Media\1 = ";" 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 3040 schtasks.exe 5720 schtasks.exe 5816 schtasks.exe 5068 schtasks.exe 4164 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5460 msiexec.exe 5460 msiexec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 1500 MsiExec.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe 556 oJBVAK.exe - Suspicious behavior: LoadsDriver 6 IoCs
pid Process 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found 816 Process not Found - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 5764 msiexec.exe Token: SeIncreaseQuotaPrivilege 5764 msiexec.exe Token: SeSecurityPrivilege 5460 msiexec.exe Token: SeCreateTokenPrivilege 5764 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 5764 msiexec.exe Token: SeLockMemoryPrivilege 5764 msiexec.exe Token: SeIncreaseQuotaPrivilege 5764 msiexec.exe Token: SeMachineAccountPrivilege 5764 msiexec.exe Token: SeTcbPrivilege 5764 msiexec.exe Token: SeSecurityPrivilege 5764 msiexec.exe Token: SeTakeOwnershipPrivilege 5764 msiexec.exe Token: SeLoadDriverPrivilege 5764 msiexec.exe Token: SeSystemProfilePrivilege 5764 msiexec.exe Token: SeSystemtimePrivilege 5764 msiexec.exe Token: SeProfSingleProcessPrivilege 5764 msiexec.exe Token: SeIncBasePriorityPrivilege 5764 msiexec.exe Token: SeCreatePagefilePrivilege 5764 msiexec.exe Token: SeCreatePermanentPrivilege 5764 msiexec.exe Token: SeBackupPrivilege 5764 msiexec.exe Token: SeRestorePrivilege 5764 msiexec.exe Token: SeShutdownPrivilege 5764 msiexec.exe Token: SeDebugPrivilege 5764 msiexec.exe Token: SeAuditPrivilege 5764 msiexec.exe Token: SeSystemEnvironmentPrivilege 5764 msiexec.exe Token: SeChangeNotifyPrivilege 5764 msiexec.exe Token: SeRemoteShutdownPrivilege 5764 msiexec.exe Token: SeUndockPrivilege 5764 msiexec.exe Token: SeSyncAgentPrivilege 5764 msiexec.exe Token: SeEnableDelegationPrivilege 5764 msiexec.exe Token: SeManageVolumePrivilege 5764 msiexec.exe Token: SeImpersonatePrivilege 5764 msiexec.exe Token: SeCreateGlobalPrivilege 5764 msiexec.exe Token: SeBackupPrivilege 6000 vssvc.exe Token: SeRestorePrivilege 6000 vssvc.exe Token: SeAuditPrivilege 6000 vssvc.exe Token: SeBackupPrivilege 5460 msiexec.exe Token: SeRestorePrivilege 5460 msiexec.exe Token: SeRestorePrivilege 5460 msiexec.exe Token: SeTakeOwnershipPrivilege 5460 msiexec.exe Token: SeRestorePrivilege 5460 msiexec.exe Token: SeTakeOwnershipPrivilege 5460 msiexec.exe Token: SeRestorePrivilege 5460 msiexec.exe Token: SeTakeOwnershipPrivilege 5460 msiexec.exe Token: SeBackupPrivilege 5816 srtasks.exe Token: SeRestorePrivilege 5816 srtasks.exe Token: SeSecurityPrivilege 5816 srtasks.exe Token: SeTakeOwnershipPrivilege 5816 srtasks.exe Token: SeBackupPrivilege 5816 srtasks.exe Token: SeRestorePrivilege 5816 srtasks.exe Token: SeSecurityPrivilege 5816 srtasks.exe Token: SeTakeOwnershipPrivilege 5816 srtasks.exe Token: SeRestorePrivilege 5460 msiexec.exe Token: SeTakeOwnershipPrivilege 5460 msiexec.exe Token: SeRestorePrivilege 5460 msiexec.exe Token: SeTakeOwnershipPrivilege 5460 msiexec.exe Token: SeRestorePrivilege 5460 msiexec.exe Token: SeTakeOwnershipPrivilege 5460 msiexec.exe Token: SeRestorePrivilege 5460 msiexec.exe Token: SeTakeOwnershipPrivilege 5460 msiexec.exe Token: SeRestorePrivilege 5460 msiexec.exe Token: SeTakeOwnershipPrivilege 5460 msiexec.exe Token: SeRestorePrivilege 5460 msiexec.exe Token: SeTakeOwnershipPrivilege 5460 msiexec.exe Token: SeRestorePrivilege 5460 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5764 msiexec.exe 5764 msiexec.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 5764 msiexec.exe 5460 msiexec.exe 1500 MsiExec.exe - Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 5460 wrote to memory of 5816 5460 msiexec.exe 94 PID 5460 wrote to memory of 1500 5460 msiexec.exe 96 PID 556 wrote to memory of 3036 556 oJBVAK.exe 99 PID 556 wrote to memory of 3240 556 oJBVAK.exe 102 PID 3240 wrote to memory of 4164 3240 cmd.exe 104 PID 556 wrote to memory of 3504 556 oJBVAK.exe 106 PID 3240 wrote to memory of 5328 3240 cmd.exe 108 PID 3504 wrote to memory of 3040 3504 cmd.exe 111 PID 3240 wrote to memory of 5088 3240 cmd.exe 112 PID 3504 wrote to memory of 4648 3504 cmd.exe 113 PID 3504 wrote to memory of 4288 3504 cmd.exe 114 PID 556 wrote to memory of 4340 556 oJBVAK.exe 115 PID 4340 wrote to memory of 5720 4340 cmd.exe 117 PID 4340 wrote to memory of 6024 4340 cmd.exe 118 PID 4340 wrote to memory of 2680 4340 cmd.exe 120 PID 1588 wrote to memory of 3692 1588 cmd.exe 123 PID 3544 wrote to memory of 3968 3544 cmd.exe 124 PID 556 wrote to memory of 1880 556 oJBVAK.exe 125 PID 1880 wrote to memory of 5816 1880 cmd.exe 127 PID 1880 wrote to memory of 4440 1880 cmd.exe 128 PID 1880 wrote to memory of 4896 1880 cmd.exe 130 PID 556 wrote to memory of 1504 556 oJBVAK.exe 132 PID 1504 wrote to memory of 5068 1504 cmd.exe 134 PID 1504 wrote to memory of 4684 1504 cmd.exe 135 PID 1504 wrote to memory of 2908 1504 cmd.exe 137 PID 920 wrote to memory of 5912 920 cmd.exe 140 PID 2228 wrote to memory of 2724 2228 cmd.exe 141 - 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_mal004.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:5764
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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:5460 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:5816
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 7914A4D1A49FC77BCE5DE22129FA24DA 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:1500
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:6000
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C:\Users\Public\pFJ03y\oJBVAK.exe"C:\Users\Public\pFJ03y\oJBVAK.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:556 -
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:3036
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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\pFJ03y\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:3240 -
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\pFJ03y\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4164
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:5328
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:5088
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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:3504 -
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:3040
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4648
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4288
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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:4340 -
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:5720
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:6024
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2680
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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:1880 -
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:5816
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4440
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4896
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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:1504 -
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:5068
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4684
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2908
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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\pFJ03y" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Windows\System32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\pFJ03y" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:3968
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C:\Windows\system32\cmd.execmd.exe1⤵PID:1576
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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:1588 -
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:3692
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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:920 -
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:5912
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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:2228 -
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:2724
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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\e597f88.rbs
- Size 7KB
- SHA256 fd59c8fd642f5101024a5eb9b03a7737f6cbd0b8c7cb87fe2d2e0c1f0a430c9b
- MD5 4a0a2da2d0f11d127875cb7e1bb99886
- SHA1 9effe7317105323e282edd2f74ac0229dada9349
- SHA512 9d8379f9d16d1c269e4a97c8a67a138a842d515d86eef56f8314d4c222d65951c4103c2598db03e849b9d60abe0b725e21b44d1fb1ce096f0cf1d3773b197a32
- SSDEEP 96:iSmhgu0CnBSUUwn0D1CsThqFUwn0D1C6je1Hp/ThqlHm25yeWl0lbwCKpljeAbAp:iSmaCEz40DIIz40DIxjald3KpIZ
- TLSH T19EF1014676144BF2F8D66B35CB17176637A2D2E5929433DB1CCD80241FC37982E5868E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\pFJ03y\UxEnhance64.dll
- Size 3.1MB
- SHA256 373e9de339aedfb8dfafda96725933b385ae5ee3e055198f9b40bc806cb99ef0
- MD5 7bb2d8943b380afd0f1f273702643f6d
- SHA1 beca36758b5da599c533a7c1e32ebec9ba9c2563
- SHA512 584780ff0ebec041e28e53cbda9113931a8a4927429e300d48b3868b429810f43d6e4857f80ac915e4b5caff6dfc331db0ab45716c700a3666382d61d08ead21
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+H:P9m29xx3Tiqt06ox6+z2rNNrKoH
- TLSH T12AE523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\pFJ03y\adoresd.dat
- Size 4.8MB
- SHA256 a13bd3d4863c719ec5bad0b8224346a89b1ca9592c9eb199d64a80bbc81e6826
- MD5 0998cf99083fdc45d15fe898f369629f
- SHA1 8238732ebe895ddc4f438f86523bf35985ba859b
- SHA512 f515cb5d885c71ed853f262f53e16dd599a783f497fdb866c7b8c741d1fb81db0dc72f1e50563425dc7242be3a05d8681b578b9759d2cc54ea9f6b9828e1c6eb
- SSDEEP 98304:quZ630UjjOt6udZuYb7Ad2WAqSFmtNYNF/ltN3fjZgRnXxs:nQDPnORb7AdPEm7Y7ltlVgxs
- TLSH T1CE363339536D9C62DDC7A0F8A49D4596FF683D60FAE2A006B47C1D213015DFB986FE08
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\pFJ03y\msadox.tb
- Size 8KB
- SHA256 890ba0633b9db8e12659e6899a4915411f1986dd7291146d5e578bfdac2a71d6
- MD5 62750ee89ef8951755b812a204c26b78
- SHA1 bbb113e48c5ae4013d7ca7a57337d4de52635c31
- SHA512 afd6be00b0aa038f5e575db729d8652fa095e27556b3d8c0b8a6d654630dbe6494183ec70d828ba6713d31cd0b87617877420e2bb9224a2ad502c0e9ba251cc4
- SSDEEP 192:lqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:lsZqZOXQ3uqvR2Kfzp
- TLSH T115029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\pFJ03y\oJBVAK.exe
- Size 135KB
- SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
- MD5 9ec587911e501b73b7cf09f05d0ae17d
- SHA1 5b62403cc9a668c6e5c70ace177fd54fcc4c5936
- SHA512 d05468a472373815c46ccb46ec743408365d24982d10d8a23ee0036c28cf3dacd05d74304ef2d4b7118f91ff3f631f676b2e86ddee92a02cf988b0d3c6247847
- SSDEEP 3072:MmhXb5pgtiaRENEErO9Uj4OqhhUvB4BNgQaJ:MmjgtiayGErsUKh3To
- TLSH T1D0D38C2776A474F9E1778635C8511A1AE772B8760770CB9F03A442A62F237D19E3EF20
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSI85A2.tmp
- Size 7.6MB
- SHA256 9b8835ea6895d8dc16ac076f5013b8851c1e49f4290713ecd97e5f01acec4f81
- MD5 dbf189d7b000365e5f6b18c29e07e898
- SHA1 132b244aac1cccca861e2a84faa1ec466a62e846
- SHA512 a2caf62b5d1046d2da0c0b2fbdf443405fe9ba49e43f561573dd79bbc971b5d4927f45177c380c8841f45101165f76f4b357bc687151a523db04a46ab5a1e2f1
- SSDEEP 196608:XvA8KuUBIeMpGZt46NuHbhCpJRWt4zEAYsHCPefrEK:XPKfBIe9y66SJ4CYmzrl
- TLSH T1638633C878CEA2B4D1E3C77546C3345E3D3937D276AA8F1ABD5526002D6223B6739389
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\e597f87.msi
- Size 7.7MB
- SHA256 8e1466594c30ec53f5c3bf8769f5bb67628f06586cb63fb5232c4a7d3a70ff50
- MD5 7e313f7a82f8bf933cdea3390cf4c187
- SHA1 209b3592dda535a8a1f726d4d3287c749029a637
- SHA512 8129039e48c23f16425a6cf368ee9beeb2009a24ed0d01dc9ae37426d4d900726b47aecba67498a07f1dfe765698f685e8ddc0d85294cc375f6dd3637846ce92
- SSDEEP 196608:yvA8KuUBIeMpGZt46NuHbhypJRWt4zEAYsHCPefrEx:yPKfBIe9y66qJ4CYmzr+
- TLSH T1808633C87CCDA674C1A3C77546C3645E3D387FD277AA8E1BBA5536002D32236277A289
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 26.1MB
- SHA256 499a1ca25b29e376a567d41ea9122cc17c3052bb23a87d5822525873dcade6b0
- MD5 2dff9974a4933530546b665106a40984
- SHA1 96b4efac0077aa057b5db04092b43dcf438bb931
- SHA512 4fa7a487b789336aedaffcbdf01135a9dc1886802b3daf40bd8ab28531c002975084d3c6100500bdee2a50f9d5f28880ed70078df4c9355a9878eb2f8382d858
- SSDEEP 24576:AFo3DMPSdoO/vvTL/yQqKC1gP7egB7tZUHMo93Uy8PE6JdrasIBm6jgb+OQ:XHk
- TLSH T11657A31437F92140E7B79E3CA8F06A234D397D5BAC19DE8D45411B4E0922FB1E872F6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{cba08e50-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{4b56c3eb-439f-4a0a-a8ee-d3dd478fe92d}_OnDiskSnapshotProp
- Size 6KB
- SHA256 38788068a241fdea360f0e06295814e92639bae71c0209ca13847c8d0883cebc
- MD5 d6f95570d4b95566fd74d324d0178101
- SHA1 092cff6238478a2f2e283d7b354257b4916b18f4
- SHA512 3d010029a458d68a456e5e522eba09ca0aedeef9c128249f33061f7f1f50a556a875819a33a29f1c75ee920815db06ae38899341bce427e768e99a629945632e
- SSDEEP 96:FLfXSbmnavc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:5Eb++uVm
- TLSH T1D6D189084AF54711E2B3AB722DF18557A877B911EF33CB8E0198238E2631914F975F6B
- MD5 SHA1 SHA512 SSDEEP TLSH