Analysis
- max time kernel
149s - max time network
100s - 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, 12:14
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 5.5MB
- Sample260602-peg81scx7w
- SHA256 7ae875105e38f57f67da2eadb9c0b6f3aa9dee9e53c2397d48c178ae3a1f7ed0
- MD5 a970d1421c1125070e1ace4f4de7f937
- SHA1 ac99df3f4d5633a0bcff1ea03f390fb973af16dd
- SHA512 a6733363b2c3e81e303086516442e53675029bee04eaf4ac6a9883670938cbe1cd2b4e3ef7e00211aa57dc12d8e00ea24df4d2c3c05de49912993af320daf14e
- SSDEEP 98304:GzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl1O:GhfefPtHxcp9ym3nltDUJVLO
- TLSH T1CA46E101B3D695B6D1BF0638D87A56696734BC049316CBBF5394BD392E32BC04E323A6
- 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/984-3-0x00000000060F0000-0x00000000063E2000-memory.dmp revoked_cert_connectwise - Loads dropped DLL 11 IoCs
pid Process 4432 MsiExec.exe 4340 rundll32.exe 4340 rundll32.exe 4340 rundll32.exe 4340 rundll32.exe 4340 rundll32.exe 4340 rundll32.exe 4340 rundll32.exe 4340 rundll32.exe 4340 rundll32.exe 2160 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) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe - Drops file in Program Files directory 17 IoCs
description ioc Process File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.Core.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.ClientService.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\app.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\Client.en-US.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.WindowsClient.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.WindowsClient.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.Windows.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.WindowsBackstageShell.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.WindowsFileManager.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.WindowsFileManager.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\Client.Override.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.Client.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.ClientService.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\ScreenConnect.WindowsBackstageShell.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\Client.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\system.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (f4ae19619d6bccbd)\Client.Override.en-US.resources msiexec.exe - Drops file in Windows directory 15 IoCs
description ioc Process File created C:\Windows\Installer\SourceHash{E737322B-B8A1-C700-1C28-0FEF0AF155A9} msiexec.exe File opened for modification C:\Windows\Installer\MSI59E3.tmp msiexec.exe File created C:\Windows\Installer\e5858e9.msi msiexec.exe File opened for modification C:\Windows\Installer\e5858e9.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\SystemTemp\~DFB342F5321E8DCD75.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSI59F3.tmp msiexec.exe File opened for modification C:\Windows\Installer\{E737322B-B8A1-C700-1C28-0FEF0AF155A9}\DefaultIcon msiexec.exe File created C:\Windows\SystemTemp\~DF113827096D0C2312.TMP msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\SystemTemp\~DF0820833C5CC03758.TMP msiexec.exe File created C:\Windows\Installer\e5858eb.msi msiexec.exe File created C:\Windows\Installer\{E737322B-B8A1-C700-1C28-0FEF0AF155A9}\DefaultIcon msiexec.exe File created C:\Windows\SystemTemp\~DF2BBF84B58123E961.TMP 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 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 Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 0000000004000000512b028b2c2fe2ee0000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000c01200000000ffffffff000000002701010000080000512b028b0000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d01200000000000020ed35000000ffffffff000000000700010000680900512b028b000000000000d012000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ff350000000000000005000000ffffffff000000000700010000f8ff1a512b028b000000000000f0ff350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ff3a0000000000000005000000ffffffff000000000700010000f87f1d512b028b000000000000f0ff3a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 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\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\SourceList\PackageName = "ScreenConnect.ClientSetup.msi" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-f4ae19619d6bccbd\shell msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\Assignment = "1" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\SourceList\Media msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-f4ae19619d6bccbd msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\B223737E1A8B007CC182F0FEA01F559A\Full msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\SourceList\Media\1 = ";" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\AdvertiseFlags = "388" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\InstanceType = "0" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\AuthorizedLUAApp = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\SourceList msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-f4ae19619d6bccbd\shell\open\command msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\ProductName = "ScreenConnect Client (f4ae19619d6bccbd)" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\ProductIcon = "C:\\Windows\\Installer\\{E737322B-B8A1-C700-1C28-0FEF0AF155A9}\\DefaultIcon" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\f4ae19619d6bccbd\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-f4ae19619d6bccbd\URL Protocol msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-f4ae19619d6bccbd\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (f4ae19619d6bccbd)\\ScreenConnect.WindowsClient.exe\" \"%1\"" msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\Clients = 3a0000000000 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\PackageCode = "B223737E1A8B007CC182F0FEA01F559A" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\B223737E1A8B007CC182F0FEA01F559A msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\f4ae19619d6bccbd\\" msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-f4ae19619d6bccbd msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-f4ae19619d6bccbd\UseOriginalUrlEncoding = "1" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\DeploymentFlags = "3" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\1FBE51AA0B7E44844FEA9116D9B6CCDB msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\1FBE51AA0B7E44844FEA9116D9B6CCDB\B223737E1A8B007CC182F0FEA01F559A msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\SourceList\Net msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-f4ae19619d6bccbd\shell\open msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-f4ae19619d6bccbd\shell\open\command msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\B223737E1A8B007CC182F0FEA01F559A\Version = "419561476" 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 984 ScreenConnect.ClientSetup.exe Token: SeShutdownPrivilege 444 msiexec.exe Token: SeIncreaseQuotaPrivilege 444 msiexec.exe Token: SeSecurityPrivilege 4532 msiexec.exe Token: SeCreateTokenPrivilege 444 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 444 msiexec.exe Token: SeLockMemoryPrivilege 444 msiexec.exe Token: SeIncreaseQuotaPrivilege 444 msiexec.exe Token: SeMachineAccountPrivilege 444 msiexec.exe Token: SeTcbPrivilege 444 msiexec.exe Token: SeSecurityPrivilege 444 msiexec.exe Token: SeTakeOwnershipPrivilege 444 msiexec.exe Token: SeLoadDriverPrivilege 444 msiexec.exe Token: SeSystemProfilePrivilege 444 msiexec.exe Token: SeSystemtimePrivilege 444 msiexec.exe Token: SeProfSingleProcessPrivilege 444 msiexec.exe Token: SeIncBasePriorityPrivilege 444 msiexec.exe Token: SeCreatePagefilePrivilege 444 msiexec.exe Token: SeCreatePermanentPrivilege 444 msiexec.exe Token: SeBackupPrivilege 444 msiexec.exe Token: SeRestorePrivilege 444 msiexec.exe Token: SeShutdownPrivilege 444 msiexec.exe Token: SeDebugPrivilege 444 msiexec.exe Token: SeAuditPrivilege 444 msiexec.exe Token: SeSystemEnvironmentPrivilege 444 msiexec.exe Token: SeChangeNotifyPrivilege 444 msiexec.exe Token: SeRemoteShutdownPrivilege 444 msiexec.exe Token: SeUndockPrivilege 444 msiexec.exe Token: SeSyncAgentPrivilege 444 msiexec.exe Token: SeEnableDelegationPrivilege 444 msiexec.exe Token: SeManageVolumePrivilege 444 msiexec.exe Token: SeImpersonatePrivilege 444 msiexec.exe Token: SeCreateGlobalPrivilege 444 msiexec.exe Token: SeCreateTokenPrivilege 444 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 444 msiexec.exe Token: SeLockMemoryPrivilege 444 msiexec.exe Token: SeIncreaseQuotaPrivilege 444 msiexec.exe Token: SeMachineAccountPrivilege 444 msiexec.exe Token: SeTcbPrivilege 444 msiexec.exe Token: SeSecurityPrivilege 444 msiexec.exe Token: SeTakeOwnershipPrivilege 444 msiexec.exe Token: SeLoadDriverPrivilege 444 msiexec.exe Token: SeSystemProfilePrivilege 444 msiexec.exe Token: SeSystemtimePrivilege 444 msiexec.exe Token: SeProfSingleProcessPrivilege 444 msiexec.exe Token: SeIncBasePriorityPrivilege 444 msiexec.exe Token: SeCreatePagefilePrivilege 444 msiexec.exe Token: SeCreatePermanentPrivilege 444 msiexec.exe Token: SeBackupPrivilege 444 msiexec.exe Token: SeRestorePrivilege 444 msiexec.exe Token: SeShutdownPrivilege 444 msiexec.exe Token: SeDebugPrivilege 444 msiexec.exe Token: SeAuditPrivilege 444 msiexec.exe Token: SeSystemEnvironmentPrivilege 444 msiexec.exe Token: SeChangeNotifyPrivilege 444 msiexec.exe Token: SeRemoteShutdownPrivilege 444 msiexec.exe Token: SeUndockPrivilege 444 msiexec.exe Token: SeSyncAgentPrivilege 444 msiexec.exe Token: SeEnableDelegationPrivilege 444 msiexec.exe Token: SeManageVolumePrivilege 444 msiexec.exe Token: SeImpersonatePrivilege 444 msiexec.exe Token: SeCreateGlobalPrivilege 444 msiexec.exe Token: SeCreateTokenPrivilege 444 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 444 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 444 msiexec.exe 444 msiexec.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 984 wrote to memory of 444 984 ScreenConnect.ClientSetup.exe 81 PID 4532 wrote to memory of 4432 4532 msiexec.exe 83 PID 4432 wrote to memory of 4340 4432 MsiExec.exe 84 PID 4532 wrote to memory of 1424 4532 msiexec.exe 88 PID 4532 wrote to memory of 2160 4532 msiexec.exe 90 - 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:984 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\f4ae19619d6bccbd\ScreenConnect.ClientSetup.msi"2⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:444
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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:4532 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding FC65761C30D25DB2521486E17E672207 C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4432 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1FF7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240656453 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4340
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:1424
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding BB8B12A2C6DAE61ABAB92EED86ED5CBD2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2160
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:4332
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Config.Msi\e5858ea.rbs
- Size 10KB
- SHA256 07d04c85ac2c115f1b04caa40f45a3ef533559fb30c45835f6272341d8ce557b
- MD5 fdcd8762f55a257887db90f711d88e60
- SHA1 e818055f475473dbf2087702546340e7aef120d6
- SHA512 1d3f20c52f51c2e7ba27ed4bc484f1d5d7e012c33adf07ec1d0904e005db4f242d404546e7f4c910c1db6d737018a138aec28809db211598465d7078391896a1
- SSDEEP 192:xnyaBzN1zyu5c6CtWtHhIKtHhDtTJTvWpw6:xnyaLzP5citHDtHpm
- TLSH T1B722DD01BA45D4D1E6431B72CB471B253B72EEE4AB00221F58EC95789F533CA87BD2DA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI1FF7.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\MSI1FF7.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\MSI1FF7.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\MSI1FF7.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\MSI1FF7.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\f4ae19619d6bccbd\ScreenConnect.ClientSetup.msi
- Size 13.2MB
- SHA256 62b301aeb1fe04cfc819816c782de54ed3ff3fa55d26639a4665671749ca07ca
- MD5 d66576b465a0842d826fb529acbfa654
- SHA1 976d3bd63e2215e9fc7f99953a80480e01e323ee
- SHA512 5ae6425871bca5fdf91321d6c53eb6fd47d7aef1fbb593f2285a4d83cc30269c3b7070952d8dd9885934340b008839b7f28898591e99fe40b3f9a91b20032307
- SSDEEP 196608:VHxcp9ym3nltDUJVuHxcp9ym37Hxcp9ym3/Hxcp9ym33Hxcp9ym3jqEHxcp9ym3f:HGplpZGpFGpJGphGpRGpiGpr
- TLSH T12AD623116BF89278F1F22E39E876A0B1A5377D525E22D12E2324791E2C71EC0C963777
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSI59F3.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 257be24d6e4c8f8893173870cd849b43b0afc644190fa4994c4be8652b02b6d2
- MD5 01eee78d684cf777c89d0b190006ed72
- SHA1 9c035b712c99f73830fc3846bce8f6c1f7a3182e
- SHA512 6182ce208f0a2b5c1b1c0834405c5973a261613aee6bc8eaf5d1614c13bfffbe1d793e459d2c8ab28f80b743738243c9fcf9b28f8e32ab82e0af822ea074572b
- SSDEEP 24576:n2gmSp1LdoO/vvTL5GyuxEHKv65pg4WoGWBdHJESL5KoEe2HoZTVrf4lx:t
- TLSH T1C447F61832F92140E7F39E3DA8F06A67493A7D5B9C15DE8D05811B8D0921FB1E872F6B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{8b022b51-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{d4b8ecd9-6845-4439-a6b8-8cfe9bee7bb3}_OnDiskSnapshotProp
- Size 6KB
- SHA256 5055f63d3aea1622f610bf4faec9fe53ac7eb778d3a84deec4acdf779add564e
- MD5 5aee458d34d809dd703436cc63f51ba6
- SHA1 bdaab6826b19dbb0c04e9800751337e2d5a99ec4
- SHA512 186c48ecb14e7647df2bc575c7693f7122b038c2a893a473554052b4b496d0d7cc9dedfc115ff68dd3d162c6bdaef6037c20702ab1d05b5fd1a7c8f82b50272a
- SSDEEP 96:FNDyC42Zvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:njb++ZVm
- TLSH T16FD179085AE54711E2B3AB7228F14557A877B911FF33CB8E0298238E6671910F935F6F
- MD5 SHA1 SHA512 SSDEEP TLSH