Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/10/2026, 18:25
Behavioral task
behavioral1
Sample
ScreenConnect.ClientSetup.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
ScreenConnect.ClientSetup.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
16 signatures
150 seconds
General
- Target ScreenConnect.ClientSetup.exe
- Size 5.4MB
- Sample261003-w2zvxavy7j
- SHA256 7bd3ecc3cd15208e90161a84e266b9ccaa0ccfe0993acca638553c4195adc3fe
- MD5 711db098dade28264a9e579834b8415a
- SHA1 81d2362e041f7651149a4f065727944047a7a423
- SHA512 402503382ffb7ca296927b4f9a7047db4b9b0d06025e9cd5c7683a813f3a67e0a3e2427d787c6f49614197719bcda8646f40807f12af5963a48d694f17fd2ac8
- SSDEEP 98304:kzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zln:khfefPtHxcp9ym3nltDUJVd
- TLSH T1A946E111B3E695B6D1BF0638D87A56656734BC049312CBBF5394BD392E32BC04E323A6
- 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/692-2-0x0000000005AF0000-0x0000000005DE2000-memory.dmp revoked_cert_connectwise - Loads dropped DLL 11 IoCs
pid Process 4548 MsiExec.exe 5268 rundll32.exe 5268 rundll32.exe 5268 rundll32.exe 5268 rundll32.exe 5268 rundll32.exe 5268 rundll32.exe 5268 rundll32.exe 5268 rundll32.exe 5268 rundll32.exe 5536 MsiExec.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) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: 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) \??\M: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe \??\F:\ msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\K: 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) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe - Drops file in Program Files directory 17 IoCs
description ioc Process File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.WindowsFileManager.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.ClientService.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\Client.en-US.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\Client.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\system.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.Client.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.ClientService.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.WindowsFileManager.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\app.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.Windows.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.WindowsBackstageShell.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\Client.Override.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.WindowsBackstageShell.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.WindowsClient.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.WindowsClient.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\Client.Override.en-US.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (b58c270a6cda52dc)\ScreenConnect.Core.dll msiexec.exe - Drops file in Windows directory 15 IoCs
description ioc Process File created C:\Windows\SystemTemp\~DF080EC537CEA0C203.TMP msiexec.exe File created C:\Windows\Installer\e59529d.msi msiexec.exe File created C:\Windows\Installer\{A4DB0B64-8504-8DFA-6371-E9B3F1FDF77E}\DefaultIcon msiexec.exe File created C:\Windows\SystemTemp\~DF5FA8BA273DC2DABA.TMP msiexec.exe File created C:\Windows\SystemTemp\~DF8DDCC8DB45119969.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSI5683.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{A4DB0B64-8504-8DFA-6371-E9B3F1FDF77E} msiexec.exe File created C:\Windows\Installer\e59529b.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 opened for modification C:\Windows\Installer\MSI56B2.tmp msiexec.exe File opened for modification C:\Windows\Installer\{A4DB0B64-8504-8DFA-6371-E9B3F1FDF77E}\DefaultIcon msiexec.exe File created C:\Windows\SystemTemp\~DFB39BCABAFEB9A4CA.TMP msiexec.exe File opened for modification C:\Windows\Installer\e59529b.msi 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 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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr 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-b58c270a6cda52dc\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (b58c270a6cda52dc)\\ScreenConnect.WindowsClient.exe\" \"%1\"" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\Language = "1033" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\2DC7EFCE6B4BBE875BC872A0C6AD25CD msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\SourceList\PackageName = "ScreenConnect.ClientSetup.msi" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\ProductName = "ScreenConnect Client (b58c270a6cda52dc)" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\2DC7EFCE6B4BBE875BC872A0C6AD25CD\46B0BD4A4058AFD836179E3B1FDF7FE7 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\SourceList\Net msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\b58c270a6cda52dc\\" msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\Clients = 3a0000000000 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-b58c270a6cda52dc\shell\open\command msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\Version = "419561476" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-b58c270a6cda52dc\shell msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\46B0BD4A4058AFD836179E3B1FDF7FE7 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\AdvertiseFlags = "388" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\SourceList msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-b58c270a6cda52dc\URL Protocol msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-b58c270a6cda52dc\shell\open msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\Assignment = "1" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\ProductIcon = "C:\\Windows\\Installer\\{A4DB0B64-8504-8DFA-6371-E9B3F1FDF77E}\\DefaultIcon" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\SourceList\Media\1 = ";" msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-b58c270a6cda52dc\shell\open\command msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\46B0BD4A4058AFD836179E3B1FDF7FE7\Full msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\InstanceType = "0" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\AuthorizedLUAApp = "0" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\DeploymentFlags = "3" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\SourceList\Media msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-b58c270a6cda52dc msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\PackageCode = "46B0BD4A4058AFD836179E3B1FDF7FE7" msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-b58c270a6cda52dc msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\46B0BD4A4058AFD836179E3B1FDF7FE7\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\b58c270a6cda52dc\\" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-b58c270a6cda52dc\UseOriginalUrlEncoding = "1" msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5324 msiexec.exe 5324 msiexec.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 692 ScreenConnect.ClientSetup.exe Token: SeShutdownPrivilege 1484 msiexec.exe Token: SeIncreaseQuotaPrivilege 1484 msiexec.exe Token: SeSecurityPrivilege 5324 msiexec.exe Token: SeCreateTokenPrivilege 1484 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1484 msiexec.exe Token: SeLockMemoryPrivilege 1484 msiexec.exe Token: SeIncreaseQuotaPrivilege 1484 msiexec.exe Token: SeMachineAccountPrivilege 1484 msiexec.exe Token: SeTcbPrivilege 1484 msiexec.exe Token: SeSecurityPrivilege 1484 msiexec.exe Token: SeTakeOwnershipPrivilege 1484 msiexec.exe Token: SeLoadDriverPrivilege 1484 msiexec.exe Token: SeSystemProfilePrivilege 1484 msiexec.exe Token: SeSystemtimePrivilege 1484 msiexec.exe Token: SeProfSingleProcessPrivilege 1484 msiexec.exe Token: SeIncBasePriorityPrivilege 1484 msiexec.exe Token: SeCreatePagefilePrivilege 1484 msiexec.exe Token: SeCreatePermanentPrivilege 1484 msiexec.exe Token: SeBackupPrivilege 1484 msiexec.exe Token: SeRestorePrivilege 1484 msiexec.exe Token: SeShutdownPrivilege 1484 msiexec.exe Token: SeDebugPrivilege 1484 msiexec.exe Token: SeAuditPrivilege 1484 msiexec.exe Token: SeSystemEnvironmentPrivilege 1484 msiexec.exe Token: SeChangeNotifyPrivilege 1484 msiexec.exe Token: SeRemoteShutdownPrivilege 1484 msiexec.exe Token: SeUndockPrivilege 1484 msiexec.exe Token: SeSyncAgentPrivilege 1484 msiexec.exe Token: SeEnableDelegationPrivilege 1484 msiexec.exe Token: SeManageVolumePrivilege 1484 msiexec.exe Token: SeImpersonatePrivilege 1484 msiexec.exe Token: SeCreateGlobalPrivilege 1484 msiexec.exe Token: SeCreateTokenPrivilege 1484 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1484 msiexec.exe Token: SeLockMemoryPrivilege 1484 msiexec.exe Token: SeIncreaseQuotaPrivilege 1484 msiexec.exe Token: SeMachineAccountPrivilege 1484 msiexec.exe Token: SeTcbPrivilege 1484 msiexec.exe Token: SeSecurityPrivilege 1484 msiexec.exe Token: SeTakeOwnershipPrivilege 1484 msiexec.exe Token: SeLoadDriverPrivilege 1484 msiexec.exe Token: SeSystemProfilePrivilege 1484 msiexec.exe Token: SeSystemtimePrivilege 1484 msiexec.exe Token: SeProfSingleProcessPrivilege 1484 msiexec.exe Token: SeIncBasePriorityPrivilege 1484 msiexec.exe Token: SeCreatePagefilePrivilege 1484 msiexec.exe Token: SeCreatePermanentPrivilege 1484 msiexec.exe Token: SeBackupPrivilege 1484 msiexec.exe Token: SeRestorePrivilege 1484 msiexec.exe Token: SeShutdownPrivilege 1484 msiexec.exe Token: SeDebugPrivilege 1484 msiexec.exe Token: SeAuditPrivilege 1484 msiexec.exe Token: SeSystemEnvironmentPrivilege 1484 msiexec.exe Token: SeChangeNotifyPrivilege 1484 msiexec.exe Token: SeRemoteShutdownPrivilege 1484 msiexec.exe Token: SeUndockPrivilege 1484 msiexec.exe Token: SeSyncAgentPrivilege 1484 msiexec.exe Token: SeEnableDelegationPrivilege 1484 msiexec.exe Token: SeManageVolumePrivilege 1484 msiexec.exe Token: SeImpersonatePrivilege 1484 msiexec.exe Token: SeCreateGlobalPrivilege 1484 msiexec.exe Token: SeCreateTokenPrivilege 1484 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1484 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1484 msiexec.exe 1484 msiexec.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1484 msiexec.exe 5324 msiexec.exe 4548 MsiExec.exe 5536 MsiExec.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 692 wrote to memory of 1484 692 ScreenConnect.ClientSetup.exe 89 PID 5324 wrote to memory of 4548 5324 msiexec.exe 91 PID 4548 wrote to memory of 5268 4548 MsiExec.exe 92 PID 5324 wrote to memory of 856 5324 msiexec.exe 97 PID 5324 wrote to memory of 5536 5324 msiexec.exe 99 - 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:692 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\b58c270a6cda52dc\ScreenConnect.ClientSetup.msi"2⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1484
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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:5324 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding D1DF62F04B8DF7B93B5D9D04338B5D60 C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1301.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240718718 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:5268
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:856
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 25E372B520F3D70166DA8B47B10F2E962⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:5536
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:4904
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Config.Msi\e59529c.rbs
- Size 10KB
- SHA256 d9bc193f5eadae06746b8c5c0741053d76d3d6c43a8fcdd6d8204e43570c60f1
- MD5 1c050664cc5f70187fda7148312b0f68
- SHA1 4ab3f0c95cdfa51318a5a60515c33c89bb811599
- SHA512 938703852b678d8c4b7d378d0eebe86943e61482ce247947f594c18134ad6d39a04345f91c49855e5bc0e1d9e81ec29bba83e340dd81af0b22238925f7aaa9ee
- SSDEEP 192:foDC+L67+CWWQWBa8hIBBa8h92EdSrIEEQkQ6NLM6ufpECIgRWR+qk:f2C+LqQWTBa8sBa8r2EMhcQ6NLM6vCIm
- TLSH T18C221C023600F2E2F61B2B72D3131B153B36EEE67344766B84CDA9354E923891BBD1C6
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI1301.tmp
- Size 1.0MB
- SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
- MD5 81f945dabc576ca389348a4e7147463f
- SHA1 1876786194d49de92fff0b523f0c6280bdf94e22
- SHA512 3f72d5a6f482757484b0c06cb5c1e6e018a4051fe43086f77f6ea8e61ee0d08afc0ec96eac5cb01e2d8dfdabe9115d7c277cd87b7ccf9bb02bd8da0e9556504a
- SSDEEP 24576:QUUGG4DlIQMi4CJXxCHzCrvPfU8GWng+A2tuHt+pbW/aU0r1d:jG4DlItQ5xJrvPfU8VgJwW/zAd
- TLSH T19D35234832E58439E2A73A320CB6A6B125BC74773670D45FA78B4A1D5FB0AD1DE31327
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI1301.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\MSI1301.tmp-\ScreenConnect.Core.dll
- Size 538KB
- SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
- MD5 1db8b9fa0bdcbfaab807f715c288c19a
- SHA1 fde73710ce063bbf1e377c02a1a8615cf4da1c08
- SHA512 fc132764026c682e8fac1a97171731d54880c8d95566c486c731c880e750a29875ac208fb4b4dc2897dfc49beb24f77af016d846c78be75df159d3542600eb73
- SSDEEP 6144:SfoUrkyyvsbvpSLmwJUoqnoezGMZf1y99tg03Xdedu1h+xE5vce/6OdCatxq/trJ:SfpkywYszKoIzGafzece/6yx/Oek
- TLSH T144C47D9233B48B2FCABF5B7BE42454980770E901F209EB5B1AD6D4BC5F633854E412E6
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI1301.tmp-\ScreenConnect.InstallerActions.dll
- Size 11KB
- SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
- MD5 454b489378d49d17021b3e85f86ae843
- SHA1 8a208ddbcd5609b2a8d2dad34a6894396e806d51
- SHA512 24ee8ed25df1d43169e9c762b5e1cbaa1e0150bb07387ac5ebeda6f19b83ecbe38342fe01259ca373bcfccb653ea6533395b88a4bce29aee7354815d5253538b
- SSDEEP 192:b8/Qp6lCJuV3j/XtyVNamVNG1YZfCrMmbfHJ7kjvLHbuLd9NEFb5lZ:I/cBJaDXt2NaheUrMmb/FkjvLHbuZslZ
- TLSH T1A132D50077DC533AE8BE0F789EB762910A71FB64A011DF2E18CC91569C36744AEA07B7
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI1301.tmp-\ScreenConnect.Windows.dll
- Size 1.6MB
- SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
- MD5 94216eb90ca53fbb175f0ee6adbfb663
- SHA1 48038f060a5042ff44a2d9a9be46368ecc8436fd
- SHA512 c6c7e2a63eaccc5703acf4cb482a9e441fb6e670a9086d3ade558a597b1fd6c17f5e5b7027d835b80ebf2c071f9442bde466f313ddb8456fe0d3e4db6d53b041
- SSDEEP 24576:VDhFj+Ifz3zvnXj/zXzvAAkGz8mvgtX79S+2bfh+RfmT01krTFiH4SqfKPTsUTHs:VDhJkGYYpT0+TFiH7efP
- TLSH T14B85BD41E2D364F5D46B047888BF571ABA743C040325CAFB97D4AE3A6D33BC09A36796
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\b58c270a6cda52dc\ScreenConnect.ClientSetup.msi
- Size 12.9MB
- SHA256 c14e3e96e8ae32a1ba71daecec5a8cec36b3d9fb1b1c9a46b92334bd6fe6bfd2
- MD5 b94edae14ac4ed397d8f56d40eb26a62
- SHA1 1aff7e8c7496514fbae1fec3082388097b548a81
- SHA512 9c6571e3453f75e88fb32c47f53154065e8a0ff000f8e80a7623e4b3508bb9f91b50e0ccc66a34a9c781a00c036763bf6828d5ce0b37fbca536c0bdb713e4048
- SSDEEP 196608:xHxcp9ym3nltDUJV1Hxcp9ym3mHxcp9ym39Hxcp9ym3OHxcp9ym30iHxcp9ym30U:jGplpSGp0GpvGpcGpHGpOGpN
- TLSH T195D623116BF89678F0F21A39E87AA071A53A7D515D23D12E2328791E2D71EC0C9B3773
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSI56B2.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 089210f1c04fd707841baae83117b48a2ab1b6e526ecc0c4c93f28fde28aed89
- MD5 94691e7d515cbba2b49d5b80760ce06e
- SHA1 11f18093ced1e88e4f1cbbeb94340ad4c7e0d680
- SHA512 fbc98c62aa984612e82124cd9bfaa7870e0aaf17978948dcbfaca5f7da34a218e963a03ef72175c42af6daf72805941f54fdc183cffca48cb838162b367016a2
- SSDEEP 24576:oFo3DMPDdoO/vvTL/SAffCVQ/buFUbY8kCp9NiBHpqxaZYefc4RGPW1+reL:uH8
- TLSH T14E57A22436F92240F7B79E3CA8F56A234D3A7D5B9C19DE8D05411B4E0821F71E872F6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{d1fc2eb0-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{a859f65f-e5ba-4db3-9a1c-c3368af725bc}_OnDiskSnapshotProp
- Size 6KB
- SHA256 6594ae77f966bc53d6b5dcbb4c623a3bf67903909a0d63c6466c099a3dab5c0c
- MD5 6774a38e91c90b6f4569079ec64ffa63
- SHA1 cfe5f54f83864af02460b69a1ddca0d9ced3d450
- SHA512 d9fafc4c5e98a136243c099816e7accf9fbecd001b40165a1e9060a878b689a1060f8784a502329f7d688bfcdee34d3718876aa52d4d92890574cf37e21fb2b4
- SSDEEP 96:FRUHPf8Ldvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:0yb++uVm
- TLSH T146D179085AE54711E2B3AB3128F58557A837B911EF33CB8E0198238E6631A10F875F6B
- MD5 SHA1 SHA512 SSDEEP TLSH