Analysis
- max time kernel
149s - max time network
118s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
04/05/2026, 00:12
Behavioral task
behavioral1
Sample
ScreenConnect.ClientSetup.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
ScreenConnect.ClientSetup.exe
Resource
win11-20260130-en
windows11-21h2-x64
15 signatures
150 seconds
General
- Target ScreenConnect.ClientSetup.exe
- Size 5.5MB
- Sample260504-ahdbxaav21
- SHA256 3ac64697f4e3c09f8d6d5ea2245e2fc902cfd7408f4e7ced5e4a66fab07cc9b1
- MD5 caeb727e45e204804684d7ceeb702a05
- SHA1 166d0a2b45a19d12818ee0f13efd8cb0b8ed28fb
- SHA512 2d3ea3a6068bc3158fdd90bacae82bc7d22ccb0952b80f8487ed004714a67aa7dc59469dea14347935ffcf0b5de5c8e317c3213650797d8650320dd38bfec796
- SSDEEP 98304:gzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zlV:ghfefPtHxcp9ym3nltDUJV
- TLSH T17C46E101B3D695B6D5BF1638D87A52A56634BC048312CBBF5394BD3D6E32BC08E32366
- 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/5048-3-0x0000000005BA0000-0x0000000005E92000-memory.dmp revoked_cert_connectwise - Loads dropped DLL 11 IoCs
pid Process 5192 MsiExec.exe 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe 1188 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) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: 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) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\J: 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 (d4d78080a77ed34f)\ScreenConnect.WindowsBackstageShell.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsBackstageShell.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\system.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.Client.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.ClientService.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsFileManager.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\app.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\Client.en-US.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\Client.Override.en-US.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.Core.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsClient.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsClient.exe.config msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsFileManager.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.ClientService.exe msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\Client.resources msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.Windows.dll msiexec.exe File created C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\Client.Override.resources msiexec.exe - Drops file in Windows directory 15 IoCs
description ioc Process File created C:\Windows\Installer\e58681b.msi msiexec.exe File created C:\Windows\Installer\SourceHash{43C617C5-8002-D313-BDCF-3DF3035F56FA} msiexec.exe File opened for modification C:\Windows\Installer\MSI69D1.tmp msiexec.exe File created C:\Windows\Installer\e58681d.msi msiexec.exe File created C:\Windows\SystemTemp\~DF4536050458B9C730.TMP msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI6A20.tmp msiexec.exe File created C:\Windows\Installer\{43C617C5-8002-D313-BDCF-3DF3035F56FA}\DefaultIcon msiexec.exe File created C:\Windows\SystemTemp\~DFB5580DD80ABC99D4.TMP msiexec.exe File opened for modification C:\Windows\Installer\e58681b.msi msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\SystemTemp\~DF9C4322DEFCBB0C2E.TMP msiexec.exe File opened for modification C:\Windows\Installer\{43C617C5-8002-D313-BDCF-3DF3035F56FA}\DefaultIcon msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\SystemTemp\~DF7383436E66EC25F3.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 ScreenConnect.ClientSetup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe - Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key 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 = 0000000004000000a09cc7b9ddbd1cc00000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000c01200000000ffffffff000000002701010000080000a09cc7b90000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d01200000000000020ed35000000ffffffff000000000700010000680900a09cc7b9000000000000d012000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ff350000000000000005000000ffffffff000000000700010000f8ff1aa09cc7b9000000000000f0ff350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ff3a0000000000000005000000ffffffff000000000700010000f87f1da09cc7b9000000000000f0ff3a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 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 - 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\5C716C342008313DDBFCD33F30F565AF\Version = "419561476" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\Assignment = "1" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\PackageCode = "5C716C342008313DDBFCD33F30F565AF" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\ProductIcon = "C:\\Windows\\Installer\\{43C617C5-8002-D313-BDCF-3DF3035F56FA}\\DefaultIcon" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\DeploymentFlags = "3" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\PackageName = "ScreenConnect.ClientSetup.msi" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\d4d78080a77ed34f\\" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\UseOriginalUrlEncoding = "1" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\shell\open\command msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\Language = "1033" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\AuthorizedLUAApp = "0" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\Media msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\Media\1 = ";" msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\Clients = 3a0000000000 msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-d4d78080a77ed34f msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\URL Protocol msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\598F60827531F9854D7D08087AE73DF4 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\InstanceType = "0" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\598F60827531F9854D7D08087AE73DF4\5C716C342008313DDBFCD33F30F565AF msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\d4d78080a77ed34f\\" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (d4d78080a77ed34f)\\ScreenConnect.WindowsClient.exe\" \"%1\"" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5C716C342008313DDBFCD33F30F565AF msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\ProductName = "ScreenConnect Client (d4d78080a77ed34f)" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\AdvertiseFlags = "388" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\Net msiexec.exe Key created \REGISTRY\MACHINE\Software\Classes\sc-d4d78080a77ed34f\shell\open\command msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\shell msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\shell\open msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5C716C342008313DDBFCD33F30F565AF\Full msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4908 msiexec.exe 4908 msiexec.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 5048 ScreenConnect.ClientSetup.exe Token: SeShutdownPrivilege 2740 msiexec.exe Token: SeIncreaseQuotaPrivilege 2740 msiexec.exe Token: SeSecurityPrivilege 4908 msiexec.exe Token: SeCreateTokenPrivilege 2740 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2740 msiexec.exe Token: SeLockMemoryPrivilege 2740 msiexec.exe Token: SeIncreaseQuotaPrivilege 2740 msiexec.exe Token: SeMachineAccountPrivilege 2740 msiexec.exe Token: SeTcbPrivilege 2740 msiexec.exe Token: SeSecurityPrivilege 2740 msiexec.exe Token: SeTakeOwnershipPrivilege 2740 msiexec.exe Token: SeLoadDriverPrivilege 2740 msiexec.exe Token: SeSystemProfilePrivilege 2740 msiexec.exe Token: SeSystemtimePrivilege 2740 msiexec.exe Token: SeProfSingleProcessPrivilege 2740 msiexec.exe Token: SeIncBasePriorityPrivilege 2740 msiexec.exe Token: SeCreatePagefilePrivilege 2740 msiexec.exe Token: SeCreatePermanentPrivilege 2740 msiexec.exe Token: SeBackupPrivilege 2740 msiexec.exe Token: SeRestorePrivilege 2740 msiexec.exe Token: SeShutdownPrivilege 2740 msiexec.exe Token: SeDebugPrivilege 2740 msiexec.exe Token: SeAuditPrivilege 2740 msiexec.exe Token: SeSystemEnvironmentPrivilege 2740 msiexec.exe Token: SeChangeNotifyPrivilege 2740 msiexec.exe Token: SeRemoteShutdownPrivilege 2740 msiexec.exe Token: SeUndockPrivilege 2740 msiexec.exe Token: SeSyncAgentPrivilege 2740 msiexec.exe Token: SeEnableDelegationPrivilege 2740 msiexec.exe Token: SeManageVolumePrivilege 2740 msiexec.exe Token: SeImpersonatePrivilege 2740 msiexec.exe Token: SeCreateGlobalPrivilege 2740 msiexec.exe Token: SeCreateTokenPrivilege 2740 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2740 msiexec.exe Token: SeLockMemoryPrivilege 2740 msiexec.exe Token: SeIncreaseQuotaPrivilege 2740 msiexec.exe Token: SeMachineAccountPrivilege 2740 msiexec.exe Token: SeTcbPrivilege 2740 msiexec.exe Token: SeSecurityPrivilege 2740 msiexec.exe Token: SeTakeOwnershipPrivilege 2740 msiexec.exe Token: SeLoadDriverPrivilege 2740 msiexec.exe Token: SeSystemProfilePrivilege 2740 msiexec.exe Token: SeSystemtimePrivilege 2740 msiexec.exe Token: SeProfSingleProcessPrivilege 2740 msiexec.exe Token: SeIncBasePriorityPrivilege 2740 msiexec.exe Token: SeCreatePagefilePrivilege 2740 msiexec.exe Token: SeCreatePermanentPrivilege 2740 msiexec.exe Token: SeBackupPrivilege 2740 msiexec.exe Token: SeRestorePrivilege 2740 msiexec.exe Token: SeShutdownPrivilege 2740 msiexec.exe Token: SeDebugPrivilege 2740 msiexec.exe Token: SeAuditPrivilege 2740 msiexec.exe Token: SeSystemEnvironmentPrivilege 2740 msiexec.exe Token: SeChangeNotifyPrivilege 2740 msiexec.exe Token: SeRemoteShutdownPrivilege 2740 msiexec.exe Token: SeUndockPrivilege 2740 msiexec.exe Token: SeSyncAgentPrivilege 2740 msiexec.exe Token: SeEnableDelegationPrivilege 2740 msiexec.exe Token: SeManageVolumePrivilege 2740 msiexec.exe Token: SeImpersonatePrivilege 2740 msiexec.exe Token: SeCreateGlobalPrivilege 2740 msiexec.exe Token: SeCreateTokenPrivilege 2740 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2740 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2740 msiexec.exe 2740 msiexec.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5048 wrote to memory of 2740 5048 ScreenConnect.ClientSetup.exe 78 PID 4908 wrote to memory of 5192 4908 msiexec.exe 80 PID 5192 wrote to memory of 1940 5192 MsiExec.exe 81 PID 4908 wrote to memory of 3888 4908 msiexec.exe 85 PID 4908 wrote to memory of 1188 4908 msiexec.exe 87 - 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:5048 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\d4d78080a77ed34f\ScreenConnect.ClientSetup.msi"2⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2740
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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:4908 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 4DCB9C59C921E7F74E5EC547F496E605 C2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5192 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2AC4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240659390 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1940
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:3888
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding C600240058066AF13C14B775B59731172⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1188
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:3924
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Config.Msi\e58681c.rbs
- Size 10KB
- SHA256 ff30578f41f9a15bfd88ccd5b8acb0c3c6971bcf311fc10f2b8bda4b37cb2d3f
- MD5 6d483088a11175ffdfbbd6ad3394c402
- SHA1 783e34d10bcf10afebc7e3ceb0e24e7c41540a00
- SHA512 e538f1b729f2b1d0a3fbc74a07653c614b1cbe25ddbe2002a968b53757b918212d951df4348f1c92060b114acf0aa765be183feace7b4ebf276968786943932b
- SSDEEP 96:tzCpq8d5Ak4AUSkI7kUiMV0N+GtPjDiV1f9As+UpCX9Y9ULw9iCsThqCULw9iC6J:trO5rW/GCOWohIQohDJLjhPwdp5
- TLSH T122220915760091E2F2661E32DF861F143F72DEE85320224E11CD96798EE2BC91FBD2CA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\MSI2AC4.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\MSI2AC4.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\MSI2AC4.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\MSI2AC4.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\MSI2AC4.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\d4d78080a77ed34f\ScreenConnect.ClientSetup.msi
- Size 13.0MB
- SHA256 196219f94821a313d898a263a9b409c40d34ccbae00765c9678752592786f969
- MD5 8f1b2d6e8419f3ecc5f7797641f7dc42
- SHA1 be4026065b0dd5b3a30a6572ec33f0fc33c7c498
- SHA512 b981e352a47dc3ef7b3974fcf9d9bc5e9606d649718f66c1573db8cbe2e8bb96961de59388780183355cdb49559e0cbfb220442939735a092a8dc9a8aa4f1775
- SSDEEP 196608:aHxcp9ym3nltDUJVDHxcp9ym37Hxcp9ym3CHxcp9ym3iHxcp9ym3cHxcp9ym30Hs:oGplpAGpFGpQGpwGp6GpSGpD
- TLSH T141D623116BF8D668F0F62A39E8B6A0B0A5377D125D22D12E6324791E2C75EC0C973737
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Installer\MSI6A20.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 65ff7a024fdf6f011074c19f46b525c23d42e8d7709a9084382ce3b612184541
- MD5 62aa7876b635cf2fbb7aac05504cb4bc
- SHA1 c9ea352efa444a272b745b0c173041d6f7a1d476
- SHA512 077190731d3b7e88afeffa6f02a357cd776c0520399fc129ce4d74359c23292606950993683f8539fd815c260bc4d221aec4a2f70fe537829f34fcd52c1fcc4e
- SSDEEP 24576:n2gmSp19doO/vvTLx26+xEHqfqJRg4OQW25dXpkajB6IkG+/4hrtb3w9h:z
- TLSH T1E647C32436F92110E7F79E3C68F0AA234D3A7D5B9C1A9E8D05451F4E0961FB0E872F5A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\Volume{b9c79ca0-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f3509a92-1317-42b8-9cbe-c996b9ae71af}_OnDiskSnapshotProp
- Size 6KB
- SHA256 ca748086537c4f20c9498ab989449d30a988da09b38b00fca16a9adba6e0fe7d
- MD5 5ba336572fd5a0362e94811182405443
- SHA1 d4dbbe224f0ec998498ccb068687b04575d7df8a
- SHA512 06c57c754f5893e904f935db380f2812ecf4e12b232168cd95b5828d1011c83d47f102c46bf04043818534b36a9134f9466cbb9f6da8e3149f0ba58f61282d10
- SSDEEP 96:FHp5m9FG7Altvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:z5mXRlnb++ZVm
- TLSH T1FDD18A185AF54311E2B3AB312CF18557A837B811EF33CB8E0298238E6671A10F875F5B
- MD5 SHA1 SHA512 SSDEEP TLSH