Analysis
- max time kernel
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
02/06/2026, 02:01
Behavioral task
behavioral1
Sample
ScreenConnect.ClientSetup.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
ScreenConnect.ClientSetup.exe
Resource
win11-20260513-en
windows11-21h2-x64
15 signatures
150 seconds
General
- Target ScreenConnect.ClientSetup.exe
- Size 5.4MB
- Sample260602-cfpy2abs61
- SHA256 374d7a229f92adb4925b662bec83206c16a7233ff64c0a5d58428d02f4420d3a
- MD5 96ff9e0932f4e7cc86d8a0ef90ca11ce
- SHA1 50da9f08dd75d9877ad072ea3a19b582a245e512
- SHA512 1f32abee0536538fae32686c9e5bf5ade8158c4d6eff8c682cfa28835d4f1837a1c27c2650f001622dfed1283e1dd2da318e0fd96ea320d008cc3c6ecec53656
- SSDEEP 49152:vfmLDKJkGYYpT0+TFiH7efP4yfy3Ys6vPHYs00Yrxl/jgq36+hKls/LG2XwygONw:8rs6efPRy3BIvY44TnDTGvyEvgVxe7l
- TLSH T19D46E042B3D689B7D07B8778FE7A42655734BC008711E7EB57A0BD292E327C04E62366
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Signed with revoked ConnectWise certificate 1 IoCs
Binary is signed using a ConnectWise certificate revoked for key compromise.
resource yara_rule behavioral2/memory/3844-4-0x0000000005990000-0x0000000005C82000-memory.dmp revoked_cert_connectwise - Loads dropped DLL 11 IoCs
pid Process 1280 MsiExec.exe 4696 rundll32.exe 4696 rundll32.exe 4696 rundll32.exe 4696 rundll32.exe 4696 rundll32.exe 4696 rundll32.exe 4696 rundll32.exe 4696 rundll32.exe 4696 rundll32.exe 1020 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) \??\O: msiexec.exe File opened (read-only) \??\P: 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) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: 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) \??\S: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe - Drops file in Program Files directory 17 IoCs
description ioc Process File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\app.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.WindowsClient.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.ClientService.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.ClientService.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.Windows.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.WindowsBackstageShell.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\Client.en-US.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\Client.Override.en-US.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\Client.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.Client.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.WindowsClient.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.WindowsFileManager.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.WindowsFileManager.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\Client.Override.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\system.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.Core.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (897b7a8ce83b13fd)\ScreenConnect.WindowsBackstageShell.exe msiexec.exe - Drops file in Windows directory 15 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI96DD.tmp msiexec.exe File created C:\Windows\Installer\e589538.msi msiexec.exe File opened for modification C:\Windows\Installer\e589536.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\SystemTemp\~DF3C8746362B2620E5.TMP msiexec.exe File created C:\Windows\SystemTemp\~DFDC3A85A3EC836FC3.TMP msiexec.exe File created C:\Windows\SystemTemp\~DF7F983F34682AEDFC.TMP msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI968E.tmp msiexec.exe File created C:\Windows\Installer\{632FAD37-E35C-0EB4-5125-8D24C803C759}\DefaultIcon msiexec.exe File opened for modification C:\Windows\Installer\{632FAD37-E35C-0EB4-5125-8D24C803C759}\DefaultIcon msiexec.exe File created C:\Windows\Installer\e589536.msi msiexec.exe File created C:\Windows\SystemTemp\~DF2CFFCA75484E8D6B.TMP msiexec.exe File created C:\Windows\Installer\SourceHash{632FAD37-E35C-0EB4-5125-8D24C803C759} msiexec.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe - Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key 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 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\sc-897b7a8ce83b13fd\URL Protocol msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-897b7a8ce83b13fd\UseOriginalUrlEncoding = "1" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\1FDC1E29F30E4E0A98B7A7C88EB331DF msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\SourceList\Net msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\SourceList\Media msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.3.2.9271\\897b7a8ce83b13fd\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\PackageCode = "73DAF236C53E4BE01552D8428C307C95" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\AuthorizedLUAApp = "0" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\DeploymentFlags = "3" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-897b7a8ce83b13fd msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\ProductName = "ScreenConnect Client (897b7a8ce83b13fd)" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\ProductIcon = "C:\\Windows\\Installer\\{632FAD37-E35C-0EB4-5125-8D24C803C759}\\DefaultIcon" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-897b7a8ce83b13fd\shell msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-897b7a8ce83b13fd\shell\open msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-897b7a8ce83b13fd\shell\open\command msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-897b7a8ce83b13fd\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (897b7a8ce83b13fd)\\ScreenConnect.WindowsClient.exe\" \"%1\"" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\73DAF236C53E4BE01552D8428C307C95 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\73DAF236C53E4BE01552D8428C307C95\Full msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\Clients = 3a0000000000 msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-897b7a8ce83b13fd msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\1FDC1E29F30E4E0A98B7A7C88EB331DF\73DAF236C53E4BE01552D8428C307C95 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\SourceList msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\SourceList\PackageName = "ScreenConnect.ClientSetup.msi" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.3.2.9271\\897b7a8ce83b13fd\\" msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-897b7a8ce83b13fd\shell\open\command msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\Assignment = "1" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\AdvertiseFlags = "388" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\Version = "419627010" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\InstanceType = "0" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\73DAF236C53E4BE01552D8428C307C95\SourceList\Media\1 = ";" msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1300 msiexec.exe 1300 msiexec.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3844 ScreenConnect.ClientSetup.exe Token: SeShutdownPrivilege 2548 msiexec.exe Token: SeIncreaseQuotaPrivilege 2548 msiexec.exe Token: SeSecurityPrivilege 1300 msiexec.exe Token: SeCreateTokenPrivilege 2548 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2548 msiexec.exe Token: SeLockMemoryPrivilege 2548 msiexec.exe Token: SeIncreaseQuotaPrivilege 2548 msiexec.exe Token: SeMachineAccountPrivilege 2548 msiexec.exe Token: SeTcbPrivilege 2548 msiexec.exe Token: SeSecurityPrivilege 2548 msiexec.exe Token: SeTakeOwnershipPrivilege 2548 msiexec.exe Token: SeLoadDriverPrivilege 2548 msiexec.exe Token: SeSystemProfilePrivilege 2548 msiexec.exe Token: SeSystemtimePrivilege 2548 msiexec.exe Token: SeProfSingleProcessPrivilege 2548 msiexec.exe Token: SeIncBasePriorityPrivilege 2548 msiexec.exe Token: SeCreatePagefilePrivilege 2548 msiexec.exe Token: SeCreatePermanentPrivilege 2548 msiexec.exe Token: SeBackupPrivilege 2548 msiexec.exe Token: SeRestorePrivilege 2548 msiexec.exe Token: SeShutdownPrivilege 2548 msiexec.exe Token: SeDebugPrivilege 2548 msiexec.exe Token: SeAuditPrivilege 2548 msiexec.exe Token: SeSystemEnvironmentPrivilege 2548 msiexec.exe Token: SeChangeNotifyPrivilege 2548 msiexec.exe Token: SeRemoteShutdownPrivilege 2548 msiexec.exe Token: SeUndockPrivilege 2548 msiexec.exe Token: SeSyncAgentPrivilege 2548 msiexec.exe Token: SeEnableDelegationPrivilege 2548 msiexec.exe Token: SeManageVolumePrivilege 2548 msiexec.exe Token: SeImpersonatePrivilege 2548 msiexec.exe Token: SeCreateGlobalPrivilege 2548 msiexec.exe Token: SeCreateTokenPrivilege 2548 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2548 msiexec.exe Token: SeLockMemoryPrivilege 2548 msiexec.exe Token: SeIncreaseQuotaPrivilege 2548 msiexec.exe Token: SeMachineAccountPrivilege 2548 msiexec.exe Token: SeTcbPrivilege 2548 msiexec.exe Token: SeSecurityPrivilege 2548 msiexec.exe Token: SeTakeOwnershipPrivilege 2548 msiexec.exe Token: SeLoadDriverPrivilege 2548 msiexec.exe Token: SeSystemProfilePrivilege 2548 msiexec.exe Token: SeSystemtimePrivilege 2548 msiexec.exe Token: SeProfSingleProcessPrivilege 2548 msiexec.exe Token: SeIncBasePriorityPrivilege 2548 msiexec.exe Token: SeCreatePagefilePrivilege 2548 msiexec.exe Token: SeCreatePermanentPrivilege 2548 msiexec.exe Token: SeBackupPrivilege 2548 msiexec.exe Token: SeRestorePrivilege 2548 msiexec.exe Token: SeShutdownPrivilege 2548 msiexec.exe Token: SeDebugPrivilege 2548 msiexec.exe Token: SeAuditPrivilege 2548 msiexec.exe Token: SeSystemEnvironmentPrivilege 2548 msiexec.exe Token: SeChangeNotifyPrivilege 2548 msiexec.exe Token: SeRemoteShutdownPrivilege 2548 msiexec.exe Token: SeUndockPrivilege 2548 msiexec.exe Token: SeSyncAgentPrivilege 2548 msiexec.exe Token: SeEnableDelegationPrivilege 2548 msiexec.exe Token: SeManageVolumePrivilege 2548 msiexec.exe Token: SeImpersonatePrivilege 2548 msiexec.exe Token: SeCreateGlobalPrivilege 2548 msiexec.exe Token: SeCreateTokenPrivilege 2548 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2548 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2548 msiexec.exe 2548 msiexec.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3844 wrote to memory of 2548 3844 ScreenConnect.ClientSetup.exe 83 PID 1300 wrote to memory of 1280 1300 msiexec.exe 85 PID 1280 wrote to memory of 4696 1280 MsiExec.exe 86 PID 1300 wrote to memory of 2872 1300 msiexec.exe 90 PID 1300 wrote to memory of 1020 1300 msiexec.exe 92 - 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:3844 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.3.2.9271\897b7a8ce83b13fd\ScreenConnect.ClientSetup.msi"2⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2548
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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 WriteProcessMemory
PID:1300 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding F5B1DCC73DE0D438A11F8FBDE88E0328 C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4FB1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240668734 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4696
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:2872
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 0986C5985419027D47360A5F812FF4402⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1020
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:2928
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Config.Msi\e589537.rbs
- Size 10KB
- SHA256 1e31733e47345167bdef4c8e91eb875576039ece05700ebb4c86f4c3d5a8c2fc
- MD5 a266bc13bf1ced99e95a12ea6a1871e9
- SHA1 324305220a6955c2ba817fd4d8a6ee0fcc0533aa
- SHA512 bf6568c5688ba0bf3e6f0db9b1e7660416e126de6189effca8285e9e9397094d8dc79e61683479dad4b8dc2aae93117666a39b9e471efe960f799d545c1300aa
- SSDEEP 96:04aSqP381vHFAJUGOjXftOBCHpm3U+hBdCsThq+U+hBdC6jQDjN4ThqlH175ut0l:0JSqU1vHFDloBCckkCIgkC/qKMy/paS
- TLSH T1BD222C42BA00A1E1E6932E33CB4B5B953BB2DEE46381724F41CC45BC9D633995B7C1C6
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI4FB1.tmp
- Size 1.0MB
- SHA256 64ddf83b4acb09b518518e07a8ffd0446d256ff842c113efa1cdb6378fdf1018
- MD5 7a6572f2055f4241eb62dd99c4badacf
- SHA1 ad6e145a17536bb0589d9cfc5bacf8284b3d0548
- SHA512 3c19a05290a6e749cd242c7a4068fc696dd13588c51790951c73c1cad50c383e458db171c5128fc6347f57aea4a9e8bb03bff5f2c76b09a1fc382ecb67a2e13f
- SSDEEP 24576:QUUGG2VdwygONxxevg57L1VHzEQe7NI4mVVlj9:jG2XwygONLevg57x5zEQe7pmvp9
- TLSH T12D35239133A08135F1776E326E34D19328BA36316F7C804B6A460E6D5FB1BC1BA7537A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI4FB1.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\MSI4FB1.tmp-\ScreenConnect.Core.dll
- Size 539KB
- SHA256 51d9dcd755a424b8b3122350bbcc02d453880c39636fb1e0265084161afca983
- MD5 2bf2a0e1d27705d77f7681a5e5ca766d
- SHA1 b761033b56d0150307f24e1b8cdb0a3f993e094e
- SHA512 c2c535a6bfc8ff62f11f3461287254c27ee49ed9b33448de9158c40bfd775408c4f515040d055c642faced4d214dfbab424e53b1952d70b802ece965c5d31279
- SSDEEP 6144:QfWyDky4hmlTnSnyXn/4ZNkVQVyRb9bniIzs8vvk6aMhCJqgfwNYeMxq/J1e5Qad:QfxkyQIGogZAQcb9jzsO/MxFOFe
- TLSH T1ABC48EC133D4CB2BC5BF47BAF42056690770EC107509E79B1AB5D8ACADA235A4EC06ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI4FB1.tmp-\ScreenConnect.InstallerActions.dll
- Size 11KB
- SHA256 8f4a00b34720f19b0e67dc957085ad1986e58bb16a1abcc580dab21bcd61382d
- MD5 4ef696b04912d2213eb8a3fd04c0fcab
- SHA1 28c229748c304a186e7aada9b9b0808ec5a94f71
- SHA512 d3c560dec7d36d8b796ec6cbf234fdfadcc03b977e7c78bef069042ff1e5b578acf8a37462bc2519b7f3fbec3aa0600da5a8a3e8a2e2f14e2c63b822847d1fdb
- SSDEEP 192:O8/Qp6lCJuV3j2XtyVNamVNG1YZfCrMmbfHJ7kjvL6buLd9NEFbZs7:b/cBJayXt2NaheUrMmb/FkjvL6buZl7
- TLSH T11D32D70037DC573AE8BE0F78AEB761910A71EB746015DF2E18CC91569C367449EA07B7
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI4FB1.tmp-\ScreenConnect.Windows.dll
- Size 1.6MB
- SHA256 602a640e2d9f94acfe47d3946f7dd088992431e24b670d40233e1ae6e9e270ad
- MD5 90e212f3c66e4459fc365f24b789d886
- SHA1 50e1a7cbc7e5c8e44f8b42377fa373994b472c6f
- SHA512 111ac3cab4d30c6f46d5bc5dd84f14bbc777d7b44ad892cce758c4d5cbd815754a3e99cad426d47b78e2490d643cec7ff65be803d0f6aa72fad7afd3113ee9b9
- SSDEEP 24576:GDKFj+Ifz3zvnXj/zXzvAAkGz8mvgtX79S+2bfh+RfmT01krTFiH4SqfKPTsUTHs:GDKJkGYYpT0+TFiH7efP
- TLSH T17785BD41E2D364F5D46B047888BF571ABA743C040325CAFB97D4AE3A6D33BC09A36796
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.3.2.9271\897b7a8ce83b13fd\ScreenConnect.ClientSetup.msi
- Size 12.9MB
- SHA256 c6707a1ac8b196c5cbd0f68df58e465e987da561dd277d8988f34ea4e8d0fbcc
- MD5 0beea5300b69ae33dbaadde4fd87f9d1
- SHA1 25ef542b0e1beca21a8f7ef73411a88adf654263
- SHA512 4b2b2dbf06d3b9550ba36da8325a64817d517cf171e7b8683422d41117ebb905dbb8d09a3b92ad452a0b625774f9e32edf499b270878c543e539f104025bd4a1
- SSDEEP 393216:bxIQzckWxIQzIxIQzSxIQztxIQz0xIQzKxIQzj:5zAzyzUzbzez8zj
- TLSH T1F8D6221323E84D17E5B6D775BF7A85A19B367E24AA12F0CE0350B91E2F719408DA2733
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSI96DD.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 24.6MB
- SHA256 5fbe57dc95cd276951355b41c5f6f0794569cf555cf27ac092d16f4e81a89d71
- MD5 20c7ffb3482b941b058943862f5edd71
- SHA1 18e59e5c0702c2938ad177fe059b1408270616ac
- SHA512 043382b49e0987c3f2c687c47307077a3ddacd5a43987a6d1aa8346071a9bdc984659942be9f60622c4cdabc42e4ff167c17c9c6a510b091c8035bd1c2979880
- SSDEEP 24576:D2gmSp1/doO/vvTLB2q+RknK/qpBA4eA22p9XpEqzRaIE2OvYR7d7nANh:p
- TLSH T17547C32436F92210E7F79E3CA8F0AA234D3A7D5B9C15DE8D05411B4E0961FB1E872F5A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{0dc89376-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f3e754d0-c7a5-4505-b916-c8876f02bca1}_OnDiskSnapshotProp
- Size 6KB
- SHA256 47187d23d6d0335ef413b65db20d38b695cf43d6e627527eccec309f9ecaf070
- MD5 f264a02ac10bdb3a7a35113275825360
- SHA1 03c7802a08f370533f217a0a718c6cad61a1ddc7
- SHA512 68adaa1c1e97e50b6000734d311a707a57986a7c089c5351f89e6a7c4eb110f05834f059ee218cc28aae41d178419151bd2d51f8fbed3a31ff03d1b55418873e
- SSDEEP 96:FuxXzwjvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:Yyb++ZVm
- TLSH T1DDD18A085AF54311E2B3AB7128F18557A877B811EF33CB8E0198238E2671911F875F5F
- MD5 SHA1 SHA512 SSDEEP TLSH