Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 06:13
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
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
16 signatures
150 seconds
General
- Target ScreenConnect.ClientSetup.exe
- Size 5.4MB
- Sample260819-gysvvseq3x
- SHA256 aa5f4e85e97d1507df8a70018a9f1429360039b337b096b56fd695a532b926ba
- MD5 fcacc7ea0897dce4fd6aa38979978db7
- SHA1 fb7a6169191984f3fe6b35756404b720f9168a42
- SHA512 4cc45271296ee90216f0be337e2d755c9241c4917146174a564eab76a14162b0dcee0a4bac5d602b0a1738c6816ed6fa11548699d79ad1508ee92861e3a52293
- SSDEEP 98304:OzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:OhfefPtHxcp9ym3nltDUJV
- TLSH T1D446E101B3D695B6D1BF1638D87A52696734BC049316CBBF5394BD392E32BC04E323A6
- 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/1180-2-0x0000000005AC0000-0x0000000005DB2000-memory.dmp revoked_cert_connectwise - Loads dropped DLL 11 IoCs
pid Process 5548 MsiExec.exe 5216 rundll32.exe 5216 rundll32.exe 5216 rundll32.exe 5216 rundll32.exe 5216 rundll32.exe 5216 rundll32.exe 5216 rundll32.exe 5216 rundll32.exe 5216 rundll32.exe 3148 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) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: 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) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\D: msiexec.exe - Drops file in Program Files directory 15 IoCs
description ioc Process File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.WindowsBackstageShell.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\system.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.WindowsFileManager.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.WindowsFileManager.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\Client.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.Client.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.Core.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.Windows.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.WindowsClient.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.ClientService.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.WindowsClient.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\app.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\Client.en-US.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.ClientService.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (9fca689a8ddc10c4)\ScreenConnect.WindowsBackstageShell.exe msiexec.exe - Drops file in Windows directory 15 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI9022.tmp msiexec.exe File created C:\Windows\Installer\{E66FC343-ABEE-03C9-49C4-4352944E1C24}\DefaultIcon msiexec.exe File created C:\Windows\Installer\e598b8d.msi msiexec.exe File opened for modification C:\Windows\Installer\e598b8d.msi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\SystemTemp\~DFA7F2CFBF253053A8.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSI8FF2.tmp msiexec.exe File created C:\Windows\SystemTemp\~DF7D9E3CCB5A49FE01.TMP msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\e598b8f.msi msiexec.exe File opened for modification C:\Windows\Installer\{E66FC343-ABEE-03C9-49C4-4352944E1C24}\DefaultIcon msiexec.exe File created C:\Windows\SystemTemp\~DF86300EB22ABD0295.TMP msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\Installer\SourceHash{E66FC343-ABEE-03C9-49C4-4352944E1C24} msiexec.exe File created C:\Windows\SystemTemp\~DF22F1421BFFA254E6.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 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 Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe - Modifies data under HKEY_USERS 3 IoCs
description ioc Process Key deleted \REGISTRY\USER\.DEFAULT\SOFTWARE\CLASSES\LOCAL SETTINGS\MUICACHE\27\52C64B7E msiexec.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27 msiexec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28 msiexec.exe - Modifies registry class 32 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\AdvertiseFlags = "388" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\AuthorizedLUAApp = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\741BFCCEAD1C2B44F9AC86A9D8CD014C msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\9fca689a8ddc10c4\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\SourceList\Media\1 = ";" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-9fca689a8ddc10c4\UseOriginalUrlEncoding = "1" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\343CF66EEEBA9C30944C342549E4C142 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\Version = "419561476" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\ProductIcon = "C:\\Windows\\Installer\\{E66FC343-ABEE-03C9-49C4-4352944E1C24}\\DefaultIcon" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\741BFCCEAD1C2B44F9AC86A9D8CD014C\343CF66EEEBA9C30944C342549E4C142 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\343CF66EEEBA9C30944C342549E4C142\Full msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\SourceList msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\9fca689a8ddc10c4\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\ProductName = "ScreenConnect Client (9fca689a8ddc10c4)" msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-9fca689a8ddc10c4\shell\open\command msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\InstanceType = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\SourceList\Media msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-9fca689a8ddc10c4\shell\open msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142 msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-9fca689a8ddc10c4\shell msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-9fca689a8ddc10c4\shell\open\command msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\Assignment = "1" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-9fca689a8ddc10c4\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (9fca689a8ddc10c4)\\ScreenConnect.WindowsClient.exe\" \"%1\"" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\PackageCode = "343CF66EEEBA9C30944C342549E4C142" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\SourceList\PackageName = "ScreenConnect.ClientSetup.msi" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\SourceList\Net msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\Clients = 3a0000000000 msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-9fca689a8ddc10c4 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-9fca689a8ddc10c4\URL Protocol msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-9fca689a8ddc10c4 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\343CF66EEEBA9C30944C342549E4C142\DeploymentFlags = "3" msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4224 msiexec.exe 4224 msiexec.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1180 ScreenConnect.ClientSetup.exe Token: SeShutdownPrivilege 3436 msiexec.exe Token: SeIncreaseQuotaPrivilege 3436 msiexec.exe Token: SeSecurityPrivilege 4224 msiexec.exe Token: SeCreateTokenPrivilege 3436 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3436 msiexec.exe Token: SeLockMemoryPrivilege 3436 msiexec.exe Token: SeIncreaseQuotaPrivilege 3436 msiexec.exe Token: SeMachineAccountPrivilege 3436 msiexec.exe Token: SeTcbPrivilege 3436 msiexec.exe Token: SeSecurityPrivilege 3436 msiexec.exe Token: SeTakeOwnershipPrivilege 3436 msiexec.exe Token: SeLoadDriverPrivilege 3436 msiexec.exe Token: SeSystemProfilePrivilege 3436 msiexec.exe Token: SeSystemtimePrivilege 3436 msiexec.exe Token: SeProfSingleProcessPrivilege 3436 msiexec.exe Token: SeIncBasePriorityPrivilege 3436 msiexec.exe Token: SeCreatePagefilePrivilege 3436 msiexec.exe Token: SeCreatePermanentPrivilege 3436 msiexec.exe Token: SeBackupPrivilege 3436 msiexec.exe Token: SeRestorePrivilege 3436 msiexec.exe Token: SeShutdownPrivilege 3436 msiexec.exe Token: SeDebugPrivilege 3436 msiexec.exe Token: SeAuditPrivilege 3436 msiexec.exe Token: SeSystemEnvironmentPrivilege 3436 msiexec.exe Token: SeChangeNotifyPrivilege 3436 msiexec.exe Token: SeRemoteShutdownPrivilege 3436 msiexec.exe Token: SeUndockPrivilege 3436 msiexec.exe Token: SeSyncAgentPrivilege 3436 msiexec.exe Token: SeEnableDelegationPrivilege 3436 msiexec.exe Token: SeManageVolumePrivilege 3436 msiexec.exe Token: SeImpersonatePrivilege 3436 msiexec.exe Token: SeCreateGlobalPrivilege 3436 msiexec.exe Token: SeCreateTokenPrivilege 3436 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3436 msiexec.exe Token: SeLockMemoryPrivilege 3436 msiexec.exe Token: SeIncreaseQuotaPrivilege 3436 msiexec.exe Token: SeMachineAccountPrivilege 3436 msiexec.exe Token: SeTcbPrivilege 3436 msiexec.exe Token: SeSecurityPrivilege 3436 msiexec.exe Token: SeTakeOwnershipPrivilege 3436 msiexec.exe Token: SeLoadDriverPrivilege 3436 msiexec.exe Token: SeSystemProfilePrivilege 3436 msiexec.exe Token: SeSystemtimePrivilege 3436 msiexec.exe Token: SeProfSingleProcessPrivilege 3436 msiexec.exe Token: SeIncBasePriorityPrivilege 3436 msiexec.exe Token: SeCreatePagefilePrivilege 3436 msiexec.exe Token: SeCreatePermanentPrivilege 3436 msiexec.exe Token: SeBackupPrivilege 3436 msiexec.exe Token: SeRestorePrivilege 3436 msiexec.exe Token: SeShutdownPrivilege 3436 msiexec.exe Token: SeDebugPrivilege 3436 msiexec.exe Token: SeAuditPrivilege 3436 msiexec.exe Token: SeSystemEnvironmentPrivilege 3436 msiexec.exe Token: SeChangeNotifyPrivilege 3436 msiexec.exe Token: SeRemoteShutdownPrivilege 3436 msiexec.exe Token: SeUndockPrivilege 3436 msiexec.exe Token: SeSyncAgentPrivilege 3436 msiexec.exe Token: SeEnableDelegationPrivilege 3436 msiexec.exe Token: SeManageVolumePrivilege 3436 msiexec.exe Token: SeImpersonatePrivilege 3436 msiexec.exe Token: SeCreateGlobalPrivilege 3436 msiexec.exe Token: SeCreateTokenPrivilege 3436 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3436 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3436 msiexec.exe 3436 msiexec.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3436 msiexec.exe 4224 msiexec.exe 5548 MsiExec.exe 3148 MsiExec.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1180 wrote to memory of 3436 1180 ScreenConnect.ClientSetup.exe 89 PID 4224 wrote to memory of 5548 4224 msiexec.exe 91 PID 5548 wrote to memory of 5216 5548 MsiExec.exe 92 PID 4224 wrote to memory of 5080 4224 msiexec.exe 97 PID 4224 wrote to memory of 3148 4224 msiexec.exe 100 - 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:1180 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\9fca689a8ddc10c4\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:3436
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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:4224 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 7FB138933149CF87B92708D0793CA512 C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5548 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3520.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240727593 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:5216
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:5080
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 92193629CC8479FB0356D8D95CB419DB2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3148
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:5880
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Config.Msi\e598b8e.rbs
- Size 10KB
- SHA256 be1a7a189e5da2bbc79c3f3f4dfd890726ff1c7734675c0c2921e0f057315863
- MD5 c284007011fb9d825f06c2e9bf2c51ba
- SHA1 4156f2c2c4bc0f33084481047f5fb0fe79c9a635
- SHA512 fa75336f1642af55afb49107c68566b453f19ca66ab1d51c3956cf2073c18087d982590fdf921248bcd030ce7688138fc6d832f6c1ab89019bf5db9c027b5db1
- SSDEEP 96:eBscd6O09APiGKfENX0CTzu9UAhIiCsThqpiUAhIiC6jwb1HThqhH2z5bKeWY5oo:eBwO097I0C2WNhImNht/hWZap1
- TLSH T1F42230027A0691E1F69A9B33D3071F283B32DBE55350235B18CC4A394F527A9AB3D5DE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI3520.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\MSI3520.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\MSI3520.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\MSI3520.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\MSI3520.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\9fca689a8ddc10c4\ScreenConnect.ClientSetup.msi
- Size 9.5MB
- SHA256 a0edcddce270a6c5df00ca5bf18a14f725d1381e8ec039cd8a9711e45929d7b6
- MD5 88e586eb518ff47909d15b6db33a7357
- SHA1 12432fb4eabb8520c148167fcad197688fd4bcbb
- SHA512 c76a9a1eb8c2de0886171342838f24942d1208df21f13a345aebd579696bee8f5b5ed5f34240448dd974ac9fc88a5c4f6242b2215174aa00c95b87f70597d192
- SSDEEP 196608:1Hxcp9ym3nltDUJV0Hxcp9ym3uHxcp9ym3GHxcp9ym3KHxcp9ym3:nGplpDGp8GpUGpYGp
- TLSH T1EEA623116BF8D278F1F12A39D876A0B1A5367D119E23D12E2324791E2C75EC08AB3777
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSI9022.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 7b9f1dc13826739d5e83fdc555e699ffe7956d16ee45d5f043f727bda34429fd
- MD5 6253255e831de4b351afb847ac65bd2b
- SHA1 33fceb3f5bff1b9d058523d599b8eee43cc5d2b2
- SHA512 a18c8fbc67ccc5ecdebce216fac77cf21dc6e91d37e653344b0c8902a426b0b92b49e550838df34c43d67cf4bbe6b8d8365b18b9c1dc8f1ded44eddc48ee1d35
- SSDEEP 24576:xFo3DMPWdoO/vvTL/CgySSFAvbOo5L1hUv0AdfMakHca5FTS8YBmyLIz2OU:SHg
- TLSH T17657F62836F92100E7F79E3CA8F56A634D397D57AC15DE8D05411B8D0822FB1E872F6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{c576ab2f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{48e506f4-4df8-4b31-9faf-251a4c185677}_OnDiskSnapshotProp
- Size 6KB
- SHA256 f8a5ab300a089649b67faf8237132ddfd16c7917fd45f9d5809645a03ffc65a7
- MD5 1f8dba6ded0d022fd4986509c8105885
- SHA1 b1425427aaf21bb163758ba24def45bedb6fa753
- SHA512 fa12fffcfb801368eda0ff4c6fe724484f95b7eb29a2d086195073ded083b28ca8fb2f719cbceb94cff7e3fef02f60f13a423cb0b1d3787fd2b6ba84c60601c7
- SSDEEP 96:FBuOFYYvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:DUUb++uVm
- TLSH T131D186081AF54711E2B3AB3129F18557A877B911EF33CB8E0198238E6620910F935F6B
- MD5 SHA1 SHA512 SSDEEP TLSH