Analysis
- max time kernel
149s - 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
15/10/2026, 12:20
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
- Sample261015-phyeeadg23
- SHA256 b07416a25dfa956a276d4a6ae378c25c7f32be798fdaf06875f4c44b12b84343
- MD5 368b14ee57937ec410ce2f9850ffbb31
- SHA1 f7fd0ec25a52969bc64aedbf40e8b613807f814e
- SHA512 55c051abaae9105947b1b3421bc016ea1d61ee081e482a0ed85378cb9cad504e108de069c01f4755d598d155b962a079a14f3defd067577501103bd02019bae4
- SSDEEP 393216:Q16ohU+8bjJ8OQq9ySZ8EZ6ohU+8bjJ8P6ohU+8bjJ8o6ohU+8bjJ8Q:Xoh0bjf9ySZzgoh0bjroh0bj8oh0bjN
- TLSH T1FE272301BBC69A66D87F0735987AA3106775BC404B52C7AF27E07A3D1D327C05E623EA
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 7 4180 rundll32.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) \??\V: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: 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) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\T: 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) \??\X: msiexec.exe File opened (read-only) \??\B: 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) \??\U: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe - Drops file in Program Files directory 14 IoCs
description ioc Process File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.ClientService.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.Core.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.Windows.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsBackstageShell.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsFileManager.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsFileManager.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsBackstageShell.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.ClientService.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\Client.en-US.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\Client.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\system.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.Client.dll msiexec.exe - Drops file in Windows directory 15 IoCs
description ioc Process File opened for modification C:\Windows\Installer\{F9B48D50-8CF5-E2E8-6C08-8C71E77F4E9F}\DefaultIcon 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{F9B48D50-8CF5-E2E8-6C08-8C71E77F4E9F} msiexec.exe File created C:\Windows\SystemTemp\~DFC016CDEA30C9730C.TMP msiexec.exe File created C:\Windows\SystemTemp\~DF455DC7CB4F24FB15.TMP msiexec.exe File opened for modification C:\Windows\Installer\e59d46d.msi msiexec.exe File created C:\Windows\Installer\e59d46f.msi msiexec.exe File created C:\Windows\SystemTemp\~DF530F18DDF55D1114.TMP msiexec.exe File created C:\Windows\Installer\e59d46d.msi msiexec.exe File created C:\Windows\SystemTemp\~DF1A49989A5F023D43.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSIDCF8.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIDD38.tmp msiexec.exe File created C:\Windows\Installer\{F9B48D50-8CF5-E2E8-6C08-8C71E77F4E9F}\DefaultIcon msiexec.exe - Loads dropped DLL 31 IoCs
pid Process 2652 MsiExec.exe 4508 rundll32.exe 4508 rundll32.exe 4508 rundll32.exe 4508 rundll32.exe 4508 rundll32.exe 4508 rundll32.exe 4508 rundll32.exe 4508 rundll32.exe 4508 rundll32.exe 2652 MsiExec.exe 4180 rundll32.exe 4180 rundll32.exe 4180 rundll32.exe 4180 rundll32.exe 4180 rundll32.exe 4180 rundll32.exe 4180 rundll32.exe 4180 rundll32.exe 4180 rundll32.exe 2652 MsiExec.exe 1392 rundll32.exe 1392 rundll32.exe 1392 rundll32.exe 1392 rundll32.exe 1392 rundll32.exe 1392 rundll32.exe 1392 rundll32.exe 1392 rundll32.exe 1392 rundll32.exe 2428 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 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 rundll32.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 Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe 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 - 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\SourceList msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-7b0cebe6122b2acb\shell msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\InstanceType = "0" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\26.6.6.9747\\7b0cebe6122b2acb\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\SourceList\Media\1 = ";" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-7b0cebe6122b2acb\UseOriginalUrlEncoding = "1" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\ProductName = "ScreenConnect Client (7b0cebe6122b2acb)" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\Version = "436600838" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\SourceList\Net msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\SourceList\Media msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\26.6.6.9747\\7b0cebe6122b2acb\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-7b0cebe6122b2acb\URL Protocol msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\DeploymentFlags = "3" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\05D84B9F5FC88E2EC680C8177EF7E4F9 msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-7b0cebe6122b2acb\shell\open\command msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-7b0cebe6122b2acb\shell\open\command msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\PackageCode = "05D84B9F5FC88E2EC680C8177EF7E4F9" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\C74C4233D5034C44B7C0BE6E21B2A2BC msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\SourceList\PackageName = "ScreenConnect.ClientSetup.msi" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9 msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\Clients = 3a0000000000 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-7b0cebe6122b2acb\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (7b0cebe6122b2acb)\\ScreenConnect.WindowsClient.exe\" \"%1\"" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\05D84B9F5FC88E2EC680C8177EF7E4F9\Full msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\AdvertiseFlags = "388" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\C74C4233D5034C44B7C0BE6E21B2A2BC\05D84B9F5FC88E2EC680C8177EF7E4F9 msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-7b0cebe6122b2acb msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-7b0cebe6122b2acb msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-7b0cebe6122b2acb\shell\open msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\Assignment = "1" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\ProductIcon = "C:\\Windows\\Installer\\{F9B48D50-8CF5-E2E8-6C08-8C71E77F4E9F}\\DefaultIcon" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\05D84B9F5FC88E2EC680C8177EF7E4F9\AuthorizedLUAApp = "0" msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4684 msiexec.exe 4684 msiexec.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 260 ScreenConnect.ClientSetup.exe Token: SeShutdownPrivilege 4272 msiexec.exe Token: SeIncreaseQuotaPrivilege 4272 msiexec.exe Token: SeSecurityPrivilege 4684 msiexec.exe Token: SeCreateTokenPrivilege 4272 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4272 msiexec.exe Token: SeLockMemoryPrivilege 4272 msiexec.exe Token: SeIncreaseQuotaPrivilege 4272 msiexec.exe Token: SeMachineAccountPrivilege 4272 msiexec.exe Token: SeTcbPrivilege 4272 msiexec.exe Token: SeSecurityPrivilege 4272 msiexec.exe Token: SeTakeOwnershipPrivilege 4272 msiexec.exe Token: SeLoadDriverPrivilege 4272 msiexec.exe Token: SeSystemProfilePrivilege 4272 msiexec.exe Token: SeSystemtimePrivilege 4272 msiexec.exe Token: SeProfSingleProcessPrivilege 4272 msiexec.exe Token: SeIncBasePriorityPrivilege 4272 msiexec.exe Token: SeCreatePagefilePrivilege 4272 msiexec.exe Token: SeCreatePermanentPrivilege 4272 msiexec.exe Token: SeBackupPrivilege 4272 msiexec.exe Token: SeRestorePrivilege 4272 msiexec.exe Token: SeShutdownPrivilege 4272 msiexec.exe Token: SeDebugPrivilege 4272 msiexec.exe Token: SeAuditPrivilege 4272 msiexec.exe Token: SeSystemEnvironmentPrivilege 4272 msiexec.exe Token: SeChangeNotifyPrivilege 4272 msiexec.exe Token: SeRemoteShutdownPrivilege 4272 msiexec.exe Token: SeUndockPrivilege 4272 msiexec.exe Token: SeSyncAgentPrivilege 4272 msiexec.exe Token: SeEnableDelegationPrivilege 4272 msiexec.exe Token: SeManageVolumePrivilege 4272 msiexec.exe Token: SeImpersonatePrivilege 4272 msiexec.exe Token: SeCreateGlobalPrivilege 4272 msiexec.exe Token: SeCreateTokenPrivilege 4272 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4272 msiexec.exe Token: SeLockMemoryPrivilege 4272 msiexec.exe Token: SeIncreaseQuotaPrivilege 4272 msiexec.exe Token: SeMachineAccountPrivilege 4272 msiexec.exe Token: SeTcbPrivilege 4272 msiexec.exe Token: SeSecurityPrivilege 4272 msiexec.exe Token: SeTakeOwnershipPrivilege 4272 msiexec.exe Token: SeLoadDriverPrivilege 4272 msiexec.exe Token: SeSystemProfilePrivilege 4272 msiexec.exe Token: SeSystemtimePrivilege 4272 msiexec.exe Token: SeProfSingleProcessPrivilege 4272 msiexec.exe Token: SeIncBasePriorityPrivilege 4272 msiexec.exe Token: SeCreatePagefilePrivilege 4272 msiexec.exe Token: SeCreatePermanentPrivilege 4272 msiexec.exe Token: SeBackupPrivilege 4272 msiexec.exe Token: SeRestorePrivilege 4272 msiexec.exe Token: SeShutdownPrivilege 4272 msiexec.exe Token: SeDebugPrivilege 4272 msiexec.exe Token: SeAuditPrivilege 4272 msiexec.exe Token: SeSystemEnvironmentPrivilege 4272 msiexec.exe Token: SeChangeNotifyPrivilege 4272 msiexec.exe Token: SeRemoteShutdownPrivilege 4272 msiexec.exe Token: SeUndockPrivilege 4272 msiexec.exe Token: SeSyncAgentPrivilege 4272 msiexec.exe Token: SeEnableDelegationPrivilege 4272 msiexec.exe Token: SeManageVolumePrivilege 4272 msiexec.exe Token: SeImpersonatePrivilege 4272 msiexec.exe Token: SeCreateGlobalPrivilege 4272 msiexec.exe Token: SeCreateTokenPrivilege 4272 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4272 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4272 msiexec.exe 4272 msiexec.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4272 msiexec.exe 4684 msiexec.exe 2652 MsiExec.exe 2428 MsiExec.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 260 wrote to memory of 4272 260 ScreenConnect.ClientSetup.exe 89 PID 4684 wrote to memory of 2652 4684 msiexec.exe 91 PID 2652 wrote to memory of 4508 2652 MsiExec.exe 92 PID 2652 wrote to memory of 4180 2652 MsiExec.exe 93 PID 2652 wrote to memory of 1392 2652 MsiExec.exe 94 PID 4684 wrote to memory of 3596 4684 msiexec.exe 100 PID 4684 wrote to memory of 2428 4684 msiexec.exe 102 - 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:260 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\7b0cebe6122b2acb\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"2⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4272
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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:4684 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 1F9DD203580D97E1F6FB1838027CD2A5 C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI618F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240738875 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4508
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C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI68E3.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240741000 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:4180
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C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7325.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240743312 15 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1392
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:3596
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 108547B6022E631A48DF39B830B74DD42⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2428
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:3604
Network
MITRE ATT&CK Enterprise v16
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Downloads
- Path C:\Config.Msi\e59d46e.rbs
- Size 10KB
- SHA256 24720151ae463bd65c6913b6f1d027a722378b193ec830f23dd2ba87d740971e
- MD5 c8c3f7ee6fe0b033afd1c971bb47316e
- SHA1 a33d2e6c27c96e0df58fb0b3ff38006403417df7
- SHA512 4c7a99dfdfa90e5b5f83afa575530f2edb3b09f5a0bbe648f816289cb08f8e7616f2d1b264df9fd080b3bbbb57a919a4074cb1f01b92084ec9a87b706045ab08
- SSDEEP 192:17LTrygOs/CsofohDeIhfohDe+adanhApf1X:17LTrygOsefohD/fohD+k81X
- TLSH T1642244017740A2E2FA861EB5CB0B1F323B71EEF41356224BA5DC44398EA63991F7D5C9
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI618F.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\MSI618F.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\MSI618F.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\MSI618F.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\MSI618F.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\MSI68E3.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\MSI68E3.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\7b0cebe6122b2acb\ScreenConnect.ClientSetup.msi
- Size 16.2MB
- SHA256 adb9e9aab1beec2c1e60e6d22db201e333ff82958f546b73634dfb75bdd93e25
- MD5 8868b8d6b23d2cccae766763a55c7567
- SHA1 20c8313b2a08f16ecd7def340a92b40d11ff3ca5
- SHA512 0b5bac881cf3e81b0b4d65057dfd2ffb5e8dcc8e23562928f30974f88610fec6b3ec5ae4e236f63ca37f7c7ad81468b51d6686ac2e2539211eeba29874b4752f
- SSDEEP 393216:66ohU+8bjJ8OQq9ySZ8EZ6ohU+8bjJ8P6ohU+8bjJ8o6ohU+8bjJ8:loh0bjf9ySZzgoh0bjroh0bj8oh0bj
- TLSH T1540733211BF8C855EAB30B75FA7B86B44637BC51A912D05F13A03E1D1932E819EA3377
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSIDD38.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 04c9392b5f76912d4a0bca5d74440cbf34ccdc69f80dca4a415a2a0622b8eb55
- MD5 f1de6618ff19254c8b0ecb68a1ae788d
- SHA1 d55ae6b492ae8381af9be7b7b3ef0412bb1016c5
- SHA512 38b2b14b1c209ae4f190469e5318f3c7dd3c1f67c1fae93dafe2a4d8132d98c555b9b0ba8c9deb27665ebd88c03e99b631a65bb6c155b57eecc9028a40e4c7aa
- SSDEEP 24576:lFo3DMPtdoO/vvTL/iQNtS1wv7u3WLqO0AbvtwTFbIDqZK8t8YxG9EXc5+1:NHQ
- TLSH T17057B22836F92250E7F79E3CA8F06A63493A7D5B9C15DE8D05411B4E0822F71E872F67
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{af02990b-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{ea227006-7a5d-4fb0-a2d3-ca0508674147}_OnDiskSnapshotProp
- Size 6KB
- SHA256 721b925a49ddd21063d83e4464c63204a5e14e60bed7372c41b4340e8d5edebe
- MD5 5f2d9ff99873074d86a8f2a2ad97f361
- SHA1 0a00aa8619057132cafa2d303e2324d9f3dba829
- SHA512 670909fc02a6c1d1a7beada3f6f6c83876e97157010791d0b88f0cc529c4e938a131bc68a9f887339aa89c453afee7b09c0d236e060f20b60e0e383a872d7766
- SSDEEP 96:FxswCvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:30b++uVm
- TLSH T139D1770C5AE54711E2B3AB7129F18557A877B911FF33CB8E0198238E2670910F976F6B
- MD5 SHA1 SHA512 SSDEEP TLSH