Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 12:21
Static task
static1
Behavioral task
behavioral1
Sample
ScreenConnect.ClientSetup.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
ScreenConnect.ClientSetup.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
17 signatures
150 seconds
General
- Target ScreenConnect.ClientSetup.exe
- Size 19.8MB
- Sample261002-pjqqys1elf
- SHA256 f7d9ba4b6cbc07e3bd59b0c947c53d10e7615b686ab055d6e8f34b06ff16702e
- MD5 cdd67a5770c005d818c67db6448f611b
- SHA1 da4cbe89e9dcea5e81667d1d06e0790df129ff9b
- SHA512 1a64f6a34291ce7a7d4a55ad9501bed361e995b0d3a81da0be55b61013375e7c38aa69311129fda11d00c6c6a4a0b29464226cf5a51251b354b16e1092133563
- SSDEEP 393216:Ei6ohU+8bjJ84Qq9ySZ8E46ohU+8bjJ8P6ohU+8bjJ8y6ohU+8bjJ83:aoh0bj19ySZzPoh0bjroh0bjSoh0bj2
- TLSH T18B272301BBC69A66D87F0635987AA3106775BC404B52C7AF27E07B3D1D327C05E623EA
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 2 3416 msiexec.exe 3 3564 rundll32.exe - Enumerates connected drives 3 TTPs 47 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe \??\F:\ msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: 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) \??\X: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe - Drops file in Program Files directory 14 IoCs
description ioc Process File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\system.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.Client.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.ClientService.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.Windows.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.WindowsClient.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.WindowsFileManager.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.ClientService.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.Core.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.WindowsBackstageShell.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.WindowsBackstageShell.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.WindowsClient.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\ScreenConnect.WindowsFileManager.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\Client.en-US.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (8c23ae252c7cd4da)\Client.resources msiexec.exe - Drops file in Windows directory 15 IoCs
description ioc Process File opened for modification C:\Windows\Installer\e59e862.msi msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\{8AF6CC3A-114F-9D26-1E4F-62C019B04418}\DefaultIcon msiexec.exe File opened for modification C:\Windows\Installer\{8AF6CC3A-114F-9D26-1E4F-62C019B04418}\DefaultIcon msiexec.exe File created C:\Windows\Installer\e59e862.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\SystemTemp\~DF55066A11406BB8B8.TMP msiexec.exe File created C:\Windows\Installer\e59e864.msi msiexec.exe File created C:\Windows\SystemTemp\~DF49F6F934D806D618.TMP msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\SystemTemp\~DF42B4DA1BCCFBA406.TMP msiexec.exe File created C:\Windows\Installer\SourceHash{8AF6CC3A-114F-9D26-1E4F-62C019B04418} msiexec.exe File opened for modification C:\Windows\Installer\MSIEE10.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIEDE1.tmp msiexec.exe File created C:\Windows\SystemTemp\~DF85BF996FC2190B1A.TMP msiexec.exe - Loads dropped DLL 31 IoCs
pid Process 4796 MsiExec.exe 1960 rundll32.exe 1960 rundll32.exe 1960 rundll32.exe 1960 rundll32.exe 1960 rundll32.exe 1960 rundll32.exe 1960 rundll32.exe 1960 rundll32.exe 1960 rundll32.exe 4796 MsiExec.exe 3564 rundll32.exe 3564 rundll32.exe 3564 rundll32.exe 3564 rundll32.exe 3564 rundll32.exe 3564 rundll32.exe 3564 rundll32.exe 3564 rundll32.exe 3564 rundll32.exe 4796 MsiExec.exe 4752 rundll32.exe 4752 rundll32.exe 4752 rundll32.exe 4752 rundll32.exe 4752 rundll32.exe 4752 rundll32.exe 4752 rundll32.exe 4752 rundll32.exe 4752 rundll32.exe 2304 MsiExec.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain rundll32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname rundll32.exe - System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ScreenConnect.ClientSetup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.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 = 000000000400000027445be3350784180000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c012000000000000000000000000270101000088380127445be30000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e8410127445be3000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e327445be300000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e627445be300000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 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 3 IoCs
description ioc Process 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\Classes\Local Settings\MuiCache\28 msiexec.exe - Modifies registry class 32 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\SourceList\PackageName = "ScreenConnect.ClientSetup.msi" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-8c23ae252c7cd4da\URL Protocol msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-8c23ae252c7cd4da\UseOriginalUrlEncoding = "1" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-8c23ae252c7cd4da\shell\open\command msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\DeploymentFlags = "3" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-8c23ae252c7cd4da msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\PackageCode = "A3CC6FA8F41162D9E1F4260C910B4481" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\AdvertiseFlags = "388" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\InstanceType = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\SourceList\Media msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-8c23ae252c7cd4da msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\AuthorizedLUAApp = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\SourceList\Net msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\Clients = 3a0000000000 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-8c23ae252c7cd4da\shell\open msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\ProductName = "ScreenConnect Client (8c23ae252c7cd4da)" msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-8c23ae252c7cd4da\shell\open\command msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\A3CC6FA8F41162D9E1F4260C910B4481 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\Version = "436600838" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\SourceList msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-8c23ae252c7cd4da\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (8c23ae252c7cd4da)\\ScreenConnect.WindowsClient.exe\" \"%1\"" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\Assignment = "1" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\85837A0FE801B846C832EA52C2C74DAD msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\85837A0FE801B846C832EA52C2C74DAD\A3CC6FA8F41162D9E1F4260C910B4481 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-8c23ae252c7cd4da\shell msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\A3CC6FA8F41162D9E1F4260C910B4481\Full msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\ProductIcon = "C:\\Windows\\Installer\\{8AF6CC3A-114F-9D26-1E4F-62C019B04418}\\DefaultIcon" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\26.6.6.9747\\8c23ae252c7cd4da\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\SourceList\Media\1 = ";" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3CC6FA8F41162D9E1F4260C910B4481\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\26.6.6.9747\\8c23ae252c7cd4da\\" msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4532 msiexec.exe 4532 msiexec.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3780 ScreenConnect.ClientSetup.exe Token: SeShutdownPrivilege 3416 msiexec.exe Token: SeIncreaseQuotaPrivilege 3416 msiexec.exe Token: SeSecurityPrivilege 4532 msiexec.exe Token: SeCreateTokenPrivilege 3416 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3416 msiexec.exe Token: SeLockMemoryPrivilege 3416 msiexec.exe Token: SeIncreaseQuotaPrivilege 3416 msiexec.exe Token: SeMachineAccountPrivilege 3416 msiexec.exe Token: SeTcbPrivilege 3416 msiexec.exe Token: SeSecurityPrivilege 3416 msiexec.exe Token: SeTakeOwnershipPrivilege 3416 msiexec.exe Token: SeLoadDriverPrivilege 3416 msiexec.exe Token: SeSystemProfilePrivilege 3416 msiexec.exe Token: SeSystemtimePrivilege 3416 msiexec.exe Token: SeProfSingleProcessPrivilege 3416 msiexec.exe Token: SeIncBasePriorityPrivilege 3416 msiexec.exe Token: SeCreatePagefilePrivilege 3416 msiexec.exe Token: SeCreatePermanentPrivilege 3416 msiexec.exe Token: SeBackupPrivilege 3416 msiexec.exe Token: SeRestorePrivilege 3416 msiexec.exe Token: SeShutdownPrivilege 3416 msiexec.exe Token: SeDebugPrivilege 3416 msiexec.exe Token: SeAuditPrivilege 3416 msiexec.exe Token: SeSystemEnvironmentPrivilege 3416 msiexec.exe Token: SeChangeNotifyPrivilege 3416 msiexec.exe Token: SeRemoteShutdownPrivilege 3416 msiexec.exe Token: SeUndockPrivilege 3416 msiexec.exe Token: SeSyncAgentPrivilege 3416 msiexec.exe Token: SeEnableDelegationPrivilege 3416 msiexec.exe Token: SeManageVolumePrivilege 3416 msiexec.exe Token: SeImpersonatePrivilege 3416 msiexec.exe Token: SeCreateGlobalPrivilege 3416 msiexec.exe Token: SeCreateTokenPrivilege 3416 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3416 msiexec.exe Token: SeLockMemoryPrivilege 3416 msiexec.exe Token: SeIncreaseQuotaPrivilege 3416 msiexec.exe Token: SeMachineAccountPrivilege 3416 msiexec.exe Token: SeTcbPrivilege 3416 msiexec.exe Token: SeSecurityPrivilege 3416 msiexec.exe Token: SeTakeOwnershipPrivilege 3416 msiexec.exe Token: SeLoadDriverPrivilege 3416 msiexec.exe Token: SeSystemProfilePrivilege 3416 msiexec.exe Token: SeSystemtimePrivilege 3416 msiexec.exe Token: SeProfSingleProcessPrivilege 3416 msiexec.exe Token: SeIncBasePriorityPrivilege 3416 msiexec.exe Token: SeCreatePagefilePrivilege 3416 msiexec.exe Token: SeCreatePermanentPrivilege 3416 msiexec.exe Token: SeBackupPrivilege 3416 msiexec.exe Token: SeRestorePrivilege 3416 msiexec.exe Token: SeShutdownPrivilege 3416 msiexec.exe Token: SeDebugPrivilege 3416 msiexec.exe Token: SeAuditPrivilege 3416 msiexec.exe Token: SeSystemEnvironmentPrivilege 3416 msiexec.exe Token: SeChangeNotifyPrivilege 3416 msiexec.exe Token: SeRemoteShutdownPrivilege 3416 msiexec.exe Token: SeUndockPrivilege 3416 msiexec.exe Token: SeSyncAgentPrivilege 3416 msiexec.exe Token: SeEnableDelegationPrivilege 3416 msiexec.exe Token: SeManageVolumePrivilege 3416 msiexec.exe Token: SeImpersonatePrivilege 3416 msiexec.exe Token: SeCreateGlobalPrivilege 3416 msiexec.exe Token: SeCreateTokenPrivilege 3416 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3416 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3416 msiexec.exe 3416 msiexec.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3416 msiexec.exe 4532 msiexec.exe 4796 MsiExec.exe 2304 MsiExec.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3780 wrote to memory of 3416 3780 ScreenConnect.ClientSetup.exe 90 PID 4532 wrote to memory of 4796 4532 msiexec.exe 92 PID 4796 wrote to memory of 1960 4796 MsiExec.exe 93 PID 4796 wrote to memory of 3564 4796 MsiExec.exe 94 PID 4796 wrote to memory of 4752 4796 MsiExec.exe 95 PID 4532 wrote to memory of 5200 4532 msiexec.exe 99 PID 4532 wrote to memory of 2304 4532 msiexec.exe 101 - Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3780 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\8c23ae252c7cd4da\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"2⤵
- Badlisted process makes network request
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3416
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- 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:4532 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding BA2091690A91ED7C69059FB5B03008F2 C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4796 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA09B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240754968 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1960
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C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA36B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240755656 8 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw3⤵
- Badlisted process makes network request
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:3564
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C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIAABF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240757468 15 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4752
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:5200
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding D22709534C2AA88424FD41253396E5572⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2304
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:5872
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:2396
Network
MITRE ATT&CK Enterprise v16
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Downloads
- Path C:\Config.Msi\e59e863.rbs
- Size 10KB
- SHA256 e91f1531628c7b20605b7c4e4f783451ac506449af03937ec66c475409441479
- MD5 18105aa910481e895935f67386d18121
- SHA1 5670267e56cdacc958d28ae1aafac0c8c5c67503
- SHA512 9908d8a091c066c02bfe96b1dd550e551c26b6b5bc84136817d7d29e3ad1a2ceabeca10ef92940a3ff43b1020311bac2ff4b189ada94685ced1847798134b66a
- SSDEEP 192:1rM4NxU8yz6EDCfofYReIqfYRet6KBn6ZpLxs:1r5NxU8yz6EvfYRgfYRUMxs
- TLSH T137223084BB0182D1F9462F3BDB036B5437729FB85710620F65CC6139AB627896F7C1EA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSIA09B.tmp
- Size 1.9MB
- SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
- MD5 efa3cd7e5bdd04fe37a130e51fdf950c
- SHA1 bce97de0f0a7c985c3a29db0b7dfe734470a6d0c
- SHA512 04a3f21ffd6e01c1b215d7378527d2d51b9c76faa8960e32da3bf06bf54aafa71dbf607745d77f2c9f198355d7d9c05806f7d8fe09d6bdbf60dccc1dc88d75e6
- SSDEEP 49152:CGItINWG7/6NfA3BF5h/rvK7e4devyryUpEHLM:CGUQHUI3rK7eyevZUpEHI
- TLSH T18995236037FD9574D6E63B312AA889A412FFB0317674C38866841AAD0FF1F85DB60367
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSIA09B.tmp-\Microsoft.Deployment.WindowsInstaller.dll
- Size 172KB
- SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
- MD5 5ef88919012e4a3d8a1e2955dc8c8d81
- SHA1 c0cfb830b8f1d990e3836e0bcc786e7972c9ed62
- SHA512 4544565b7d69761f9b4532cc85e7c654e591b2264eb8da28e60a058151030b53a99d1b2833f11bfc8acc837eecc44a7d0dbd8bc7af97fc0e0f4938c43f9c2684
- SSDEEP 3072:FkfZS7FUguxN+77b1W5GR69UgoCaf8TpCnfKlRUjW01Ky4:x+c7b1W4R6joxfQE
- TLSH T14E045B2563FC473ECAEF87B4E2624251E7B2E2E97113DB0DDC8541AA2522780F792753
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSIA09B.tmp-\ScreenConnect.Core.dll
- Size 1.3MB
- SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
- MD5 9e220b9cd7ecb714c101c2b07a039b8a
- SHA1 23aee367b77a5da5ff356df0f998deec625d25d6
- SHA512 73ac4fe50fbbf1ce8dd6907161ce0f17fdb13af8de773a1999e9768312f63223683badc0542fb5f68113367f617aa8552de95f6b812adf7898edacf68feaa824
- SSDEEP 24576:OpIxpRkVYVdqvM2Dj5AmhstUJQf72OmswiC6EHspN6TSZsyPX3U:qIxpW9j5bhUp2sEH4HPnU
- TLSH T125558E4ABFC6AB17CD7D0633586163005BB0D0909AA7D71F39B8A73D5D863D82E881ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSIA09B.tmp-\ScreenConnect.InstallerActions.dll
- Size 24KB
- SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
- MD5 c060e1dcf5402d3bda57c00fa2fd56fb
- SHA1 45b319fe4fdb0d546368487c758ac4a0c60737c5
- SHA512 4941965012aa81ac02c1bc161d6e3f4aad195a8bc47094afdd192252478eb530bba744ab4f8d615fcb867fe1a8bc91623dfb1ad70491d83e2ff05aaa25dfe5a4
- SSDEEP 384:cSazzV1VTsaS8hQlLkmoAAV7NaNeirM0dbMsFkjvZBN20dN5:hazC9AVMcLv/d
- TLSH T126B2E720674CE27AF9EA1634B563FBB011B3BDB3CCE9DA8565A420153D253E04FB5B06
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSIA09B.tmp-\ScreenConnect.Windows.dll
- Size 1.8MB
- SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
- MD5 58aa4d11a9e686a21fcd5cf8f29141bb
- SHA1 20710c94635ff8184ab7779aeb572d73dd39bc2a
- SHA512 801b4ddd92ca2071e3f21c3bbdfadc8a5e2bf01a0428cda3b656cefe4f854b4d5618e2c060e5a90e2985febb404cbc8adf5b4e56c377f5b31407c9f47d2e09f0
- SSDEEP 24576:n5wRfUFj+Ifz3zvnXj/zXzvAAkGz8mvgt379S+2bfR+RfmTk1krT1iH4SqfKPTsF:nsUJkGYYZTk+T1iH7efPDp
- TLSH T1AB95AD45F6C365F6D42F047888BE632AB6743C040315CAFB97D4AA3A6D33BC09A36795
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSIA36B.tmp-\CustomAction.config
- Size 234B
- SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
- MD5 6f52ebea639fd7cefca18d9e5272463e
- SHA1 b5e8387c2eb20dd37df8f4a3b9b0e875fa5415e3
- SHA512 b5960066430ed40383d39365eadb3688cadadfeca382404924024c908e32c670afabd37ab41ff9e6ac97491a5eb8b55367d7199002bf8569cf545434ab2f271a
- TLSH T18CD0A70405D0FD1B5E231A2337524559FF34B1E290A44408B06F3A130A220CD4757317
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSIA36B.tmp-\ScreenConnect.WindowsInstaller.dll
- Size 390KB
- SHA256 c469358d585fa9f1637a02d194e162e454d90b8dc7e4939f88b36e09b04a7a96
- MD5 36c8faf3c581775494a6da38ef9dd60e
- SHA1 2f3d1a846ca64c1bd920af00a77dee6e40aed4ec
- SHA512 0574311206d6aa6d0366fa1279e2f1bc0efacafbf6730b60410d038db7d8f36f82ad797f15896a03ad3cbe33645ea57343acef9e2d00880d6a1f67c63b7c0c65
- SSDEEP 6144:zvB99Oa9QoYB9au52um2kJ1BqJW71/DSirthZcyqzYWHOU5J/vz5v6qG:v9ZGo09p5fi1B/ReotAb7/vp
- TLSH T1C7849D2CBF5EB716EA1E0B73C065B200A7F0A0E3599BC35F6D85257D6C04BD42BA52C6
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\8c23ae252c7cd4da\ScreenConnect.ClientSetup.msi
- Size 16.2MB
- SHA256 49285185f67693c54e12d1e27563a20c69100d477eb886793d35ab4d3539dfa3
- MD5 d107b01262e9aeaccd795a9e9b76e069
- SHA1 61424f3ffb021a42f2ca6e99528e3776bb617166
- SHA512 807757cb4abb3dd0dc7a45c3963139f21c37bfeb3c92b0646c964bd90449a2d87782decba856152d509dc894c66a526c6e8a6c15d983bab81bb55f5f2a911064
- SSDEEP 393216:z6ohU+8bjJ84Qq9ySZ8E46ohU+8bjJ8P6ohU+8bjJ8y6ohU+8bjJ8:moh0bj19ySZzPoh0bjroh0bjSoh0bj
- TLSH T1060733211BF8C855EAB30B75FA7B86B44637BC51A912D05F13A03E1D1932E819EA3377
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSIEE10.tmp
- Size 202KB
- SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
- MD5 ba84dd4e0c1408828ccc1de09f585eda
- SHA1 e8e10065d479f8f591b9885ea8487bc673301298
- SHA512 7a38418f6ee8dbc66fab2cd5ad8e033e761912efc465daa484858d451da4b8576079fe90fd3b6640410edc8b3cac31c57719898134f246f4000d60a252d88290
- SSDEEP 3072:X9LUHM7ptZ8UKOGw5vMWSuRy1YaDJkflQn3H+QDO/6Q+cxbr0qMG:XuH2aCGw1ST1wQLdqv
- TLSH T129147C326494803EE7F91A36D93E9A61AE7DF6241760C99EC3848C0E5D604D06BF7B27
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
- Size 26.1MB
- SHA256 0ca6e98f336ef4ba1ecb787d2a0fa80e3c9eb7fec050bb7ab707d943f872dbc8
- MD5 e8de1250854c7da1403e93ed02ec6fa4
- SHA1 e68f41b47a9cfdb534afa2e0217f64ef06c2b206
- SHA512 f609f21c7d1df9557d47128123e6deceb3b86ec1d0e1ce3d2ace8d9a1d6e22ef5925149c561bcaf9d842e5eec447b824efbde90e9e1507bcf0f3341a87d75d60
- SSDEEP 24576:3Fo3DMP9doO/vvTL/SAuOilQvru0VbJ90z48dDgm47AKJpvOMoR2uXUPKeQ:XHw
- TLSH T1B457042532F92211E7F39F3CA8F46A2349397D5B9C15DE8D45411B8E0822F71E872F6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{e35b4427-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{12e24afa-e688-42ed-83b3-78b96fc5de7b}_OnDiskSnapshotProp
- Size 6KB
- SHA256 f0857e7d11e2b717915e9c7affa8abd458beed21df55c7b3a1d53066ee2c3972
- MD5 792bfbd30bec59599654247e889f4103
- SHA1 8dd36a02c1a19cade1acabc2e71d9320c355494f
- SHA512 3e525ebbd3ef374579d024fcdaf16e188421a2b0d11faef96ea8b9878ec30831c01fe17af0ee19d5af941d2b95723a0ac769c343e84e3b8cf6aea7e21479b540
- SSDEEP 96:FHmY+Fovc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:IYvb++uVm
- TLSH T1B2D1871C5AF54711E2B3AB7128F18557A837B811EF33CB8E0198238E6620A10F975F6F
- MD5 SHA1 SHA512 SSDEEP TLSH