3616579fd11630962c81229dad3a58a21cf99ef9374cd5c399efd9ac2a6ce44d

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/07/2026, 00:26

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.7MB
Sample260727-arldwatcjg
SHA256 3616579fd11630962c81229dad3a58a21cf99ef9374cd5c399efd9ac2a6ce44d
MD5 0308c3fe1e8f4a7daf2c5f95652786ec
SHA1 6697a2b95178b651f2e39cf4ba9141eb82cc8b58
SHA512 3cf2f6de3ef8f456f5c366fa2c3832bec9f7ad68ce7250f6d459047ab65e07701bcdfe7e8b019304814a622dd6abaacd547177b7b9fd22c246746e04304298ab
SSDEEP 98304:lzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zlg:lhfefPtHxcp9ym3nltDUJV
TLSH
T1D956CF036295CE67C07AC7B8BF274B5D57327E044311B6EB5290B96E3F32780496E36A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery ransomware revoked_codesign

Malware Config

Signatures

Signed with revoked ConnectWise certificate 1 IoCs

Binary is signed using a ConnectWise certificate revoked for key compromise.

revoked_codesign

resource	yara_rule
behavioral2/memory/2756-2-0x0000000005D40000-0x0000000006032000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
2984	MsiExec.exe
1652	rundll32.exe
1652	rundll32.exe
1652	rundll32.exe
1652	rundll32.exe
1652	rundll32.exe
1652	rundll32.exe
1652	rundll32.exe
1652	rundll32.exe
1652	rundll32.exe
2520	MsiExec.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6ad69e465519c39a)\Client.resources	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e5a976f.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI9DE8.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DF16C41D42905E78F8.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\~DFCEC180DCA97B6AA5.TMP	msiexec.exe
File created	C:\Windows\Installer\SourceHash{7D2ABE3A-7F9E-1915-8C05-84E2CF6490DE}	msiexec.exe
File created	C:\Windows\SystemTemp\~DF53C5DBE7EF1A4655.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\{7D2ABE3A-7F9E-1915-8C05-84E2CF6490DE}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI9D4B.tmp	msiexec.exe
File created	C:\Windows\Installer\e5a9771.msi	msiexec.exe
File created	C:\Windows\Installer\{7D2ABE3A-7F9E-1915-8C05-84E2CF6490DE}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Installer\e5a976f.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\SystemTemp\~DF26E636E6FBF1C3E8.TMP	msiexec.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

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.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

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 = 000000000400000081a973cadba16b310000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c012000000000000000000000000270101000088380181a973ca0000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e8410181a973ca000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e381a973ca00000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e681a973ca00000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28	msiexec.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\CLASSES\LOCAL SETTINGS\MUICACHE\27\52C64B7E	msiexec.exe

Modifies registry class 32 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6ad69e465519c39a\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6ad69e465519c39a\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\A3EBA2D7E9F75191C850482EFC4609ED	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\PackageCode = "A3EBA2D7E9F75191C850482EFC4609ED"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-6ad69e465519c39a\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6ad69e465519c39a	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\SourceList	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\Clients = 3a0000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6ad69e465519c39a\URL Protocol	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\Assignment = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\ProductIcon = "C:\\Windows\\Installer\\{7D2ABE3A-7F9E-1915-8C05-84E2CF6490DE}\\DefaultIcon"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\DeploymentFlags = "3"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\Version = "419561476"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\ProductName = "ScreenConnect Client (6ad69e465519c39a)"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\ACA33B69B2C39294A66DE96455913CA9	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\6ad69e465519c39a\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\6ad69e465519c39a\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-6ad69e465519c39a	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6ad69e465519c39a\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6ad69e465519c39a\shell	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6ad69e465519c39a\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (6ad69e465519c39a)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\A3EBA2D7E9F75191C850482EFC4609ED\Full	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\SourceList\Media\1 = ";"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A3EBA2D7E9F75191C850482EFC4609ED\AuthorizedLUAApp = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\ACA33B69B2C39294A66DE96455913CA9\A3EBA2D7E9F75191C850482EFC4609ED	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4536	msiexec.exe
4536	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	932	msiexec.exe
Token: SeIncreaseQuotaPrivilege	932	msiexec.exe
Token: SeSecurityPrivilege	4536	msiexec.exe
Token: SeCreateTokenPrivilege	932	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	932	msiexec.exe
Token: SeLockMemoryPrivilege	932	msiexec.exe
Token: SeIncreaseQuotaPrivilege	932	msiexec.exe
Token: SeMachineAccountPrivilege	932	msiexec.exe
Token: SeTcbPrivilege	932	msiexec.exe
Token: SeSecurityPrivilege	932	msiexec.exe
Token: SeTakeOwnershipPrivilege	932	msiexec.exe
Token: SeLoadDriverPrivilege	932	msiexec.exe
Token: SeSystemProfilePrivilege	932	msiexec.exe
Token: SeSystemtimePrivilege	932	msiexec.exe
Token: SeProfSingleProcessPrivilege	932	msiexec.exe
Token: SeIncBasePriorityPrivilege	932	msiexec.exe
Token: SeCreatePagefilePrivilege	932	msiexec.exe
Token: SeCreatePermanentPrivilege	932	msiexec.exe
Token: SeBackupPrivilege	932	msiexec.exe
Token: SeRestorePrivilege	932	msiexec.exe
Token: SeShutdownPrivilege	932	msiexec.exe
Token: SeDebugPrivilege	932	msiexec.exe
Token: SeAuditPrivilege	932	msiexec.exe
Token: SeSystemEnvironmentPrivilege	932	msiexec.exe
Token: SeChangeNotifyPrivilege	932	msiexec.exe
Token: SeRemoteShutdownPrivilege	932	msiexec.exe
Token: SeUndockPrivilege	932	msiexec.exe
Token: SeSyncAgentPrivilege	932	msiexec.exe
Token: SeEnableDelegationPrivilege	932	msiexec.exe
Token: SeManageVolumePrivilege	932	msiexec.exe
Token: SeImpersonatePrivilege	932	msiexec.exe
Token: SeCreateGlobalPrivilege	932	msiexec.exe
Token: SeCreateTokenPrivilege	932	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	932	msiexec.exe
Token: SeLockMemoryPrivilege	932	msiexec.exe
Token: SeIncreaseQuotaPrivilege	932	msiexec.exe
Token: SeMachineAccountPrivilege	932	msiexec.exe
Token: SeTcbPrivilege	932	msiexec.exe
Token: SeSecurityPrivilege	932	msiexec.exe
Token: SeTakeOwnershipPrivilege	932	msiexec.exe
Token: SeLoadDriverPrivilege	932	msiexec.exe
Token: SeSystemProfilePrivilege	932	msiexec.exe
Token: SeSystemtimePrivilege	932	msiexec.exe
Token: SeProfSingleProcessPrivilege	932	msiexec.exe
Token: SeIncBasePriorityPrivilege	932	msiexec.exe
Token: SeCreatePagefilePrivilege	932	msiexec.exe
Token: SeCreatePermanentPrivilege	932	msiexec.exe
Token: SeBackupPrivilege	932	msiexec.exe
Token: SeRestorePrivilege	932	msiexec.exe
Token: SeShutdownPrivilege	932	msiexec.exe
Token: SeDebugPrivilege	932	msiexec.exe
Token: SeAuditPrivilege	932	msiexec.exe
Token: SeSystemEnvironmentPrivilege	932	msiexec.exe
Token: SeChangeNotifyPrivilege	932	msiexec.exe
Token: SeRemoteShutdownPrivilege	932	msiexec.exe
Token: SeUndockPrivilege	932	msiexec.exe
Token: SeSyncAgentPrivilege	932	msiexec.exe
Token: SeEnableDelegationPrivilege	932	msiexec.exe
Token: SeManageVolumePrivilege	932	msiexec.exe
Token: SeImpersonatePrivilege	932	msiexec.exe
Token: SeCreateGlobalPrivilege	932	msiexec.exe
Token: SeCreateTokenPrivilege	932	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	932	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
932	msiexec.exe
932	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
932	msiexec.exe
4536	msiexec.exe
2984	MsiExec.exe
2520	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 932	2756	ScreenConnect.ClientSetup.exe	89
PID 4536 wrote to memory of 2984	4536	msiexec.exe	91
PID 2984 wrote to memory of 1652	2984	MsiExec.exe	92
PID 4536 wrote to memory of 4972	4536	msiexec.exe	97
PID 4536 wrote to memory of 2520	4536	msiexec.exe	99

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

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:2756
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\6ad69e465519c39a\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:932

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- 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:4536
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 4422014E4809CB87D731E834AF66F5DC C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2984
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4E02.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240799343 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1652
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4972
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding FBC711266DEFF195521A304F93B2D66E
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2520

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:5284

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

e5a9770.rbs

Path C:\Config.Msi\e5a9770.rbs
Size 10KB
SHA256 caa7e026d011aaaf1b1c7376ee13f20f2f5a863e07d97f923318defdad421f27
MD5 112f95c52632d5a3451a2a1235d0d8df
SHA1 63a7df13fbc6201212882be6b753dc52d4f2a415
SHA512 0356995e5248589fbc2c16e4be11fe296733f3d6c31579a95fb87a75867fe8a13148deeeaddf3ccda7b24c5312f69363719796668bf884749d757260f1bef95c
SSDEEP 96:WB77rFAtwGIjlfrgTCDl09UEriCsThqiUEriC6jRVHaThq3HDZ58x2Dfa/WDKwCt:WV7Jzf+TCyWohI8ohZ8Dfa3gpG
TLSH
T19A221D21B604D0D1FA522F72C70B0B623B76EED82B21224F45DD21364E9378A5BBD5DA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI4E02.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI4E02.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

Submit Download

Microsoft.Deployment.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI4E02.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

Submit Download

ScreenConnect.Core.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI4E02.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

Submit Download

ScreenConnect.InstallerActions.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI4E02.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

Submit Download

ScreenConnect.Windows.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI4E02.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

Submit Download

ScreenConnect.ClientSetup.msi

Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\6ad69e465519c39a\ScreenConnect.ClientSetup.msi
Size 13.8MB
SHA256 57160a4631a583009fde95d7d12f8b42c0a055eeaa25e30509579ff71f2691ef
MD5 c8d56d78315c60bce4878862a96e614d
SHA1 b0801742c0a78d40888ab54754fc9da1b9452464
SHA512 44c10566731bbb0d0e556296b9ea1ffc2e7bf229567ff992d5c225ab9cedf5db893a46e133fe2dc9453b2644b5c3838d44ca6ddd4a0135d661695184f2ae7506
SSDEEP 196608:hHxcp9ym3nltDUJVGHxcp9ym3MHxcp9ym3UHxcp9ym3dHxcp9ym3BHxcp9ym3qHK:TGplplGpqGpyGpPGpzGp4Gpl
TLSH
T14AE6CD035AA8CF17E0B1D7B4BF275F6C67277E095952B1EB1124694F3F30A40899E22E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI9DE8.tmp

Path C:\Windows\Installer\MSI9DE8.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

Submit Download

metadata-2

Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
Size 26.1MB
SHA256 4270b8b735e88cc4217435a4e80ebd498d265d7ec18b7f188e491004fd0c69a3
MD5 b21319a4746d674ded4406316b15ed9a
SHA1 2da68d6fb22dd6ca2ec5540c06fb77dcc3bb79d2
SHA512 0908727173d0f166ac6a5a55c70c14bebd19d384bd49a5f56172df53587bf314c10a341243f8df0a6ea1913199f08dd656336eda5feb199f2d12de92b6dc2fb2
SSDEEP 24576:+Fo3DMPAdoO/vvTL/CwF1yFQPrOfebSmUYjHdIrtDQrKJykVM4RWVsfURed:LHA
TLSH
T16657162436F92110E7F39E3DA8F46A234D397D579C16DE8C05425B8D0922FB1E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{0a91dfe1-aa05-4889-b31c-b1343a6d2cdd}_OnDiskSnapshotProp

Path \??\Volume{ca73a981-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{0a91dfe1-aa05-4889-b31c-b1343a6d2cdd}_OnDiskSnapshotProp
Size 6KB
SHA256 a121b2790bda60fed749250c0509bca4296d219738c8281d6957ce5ef842f286
MD5 d52b093cf438f96fa4ecb9f3cf063a10
SHA1 64a8fb26996d7bf2d526efc9205b095388268986
SHA512 30908a29de6adf0db0d0c66ae85e674741445e62a5cbb0bf8bd7bb89f5197d688fd5bcb7d38ab64f4e8ceeddf7844e1cc410d5b5d216d979282037be6aa2ec84
SSDEEP 96:FcEhivc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:azb++uVm
TLSH
T1BBD199080AF54711E2B3AB3228F54557A877B911EF33CB8E0198238E2631A10F935F6F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1652-32-0x0000000003860000-0x000000000388E000-memory.dmp

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memory/1652-44-0x0000000005CD0000-0x0000000005E7C000-memory.dmp

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memory/1652-40-0x0000000003960000-0x00000000039EC000-memory.dmp

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memory/1652-36-0x0000000003890000-0x000000000389A000-memory.dmp

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memory/2756-5-0x00000000034D0000-0x00000000034F2000-memory.dmp

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memory/2756-6-0x0000000005A40000-0x0000000005BEC000-memory.dmp

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memory/2756-7-0x0000000074400000-0x0000000074BBC000-memory.dmp

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memory/2756-0-0x0000000074412000-0x0000000074413000-memory.dmp

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memory/2756-4-0x0000000005850000-0x00000000058DC000-memory.dmp

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memory/2756-3-0x0000000074400000-0x0000000074BBC000-memory.dmp

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memory/2756-12-0x0000000074400000-0x0000000074BBC000-memory.dmp

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memory/2756-2-0x0000000005D40000-0x0000000006032000-memory.dmp

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memory/2756-10-0x0000000074400000-0x0000000074BBC000-memory.dmp

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memory/2756-1-0x0000000001970000-0x0000000001978000-memory.dmp

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memory/2756-9-0x00000000065F0000-0x0000000006BAA000-memory.dmp

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memory/2756-8-0x0000000074400000-0x0000000074BBC000-memory.dmp

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