2f72cf399c018e5450da7bc69e11989d01ad0bfe49d3b88f494b160011a1d393

Analysis

max time kernel
148s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 00:09

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.8MB
Sample260810-afyj3ada83
SHA256 2f72cf399c018e5450da7bc69e11989d01ad0bfe49d3b88f494b160011a1d393
MD5 b88c90db7971f61c2abbbff0df94861b
SHA1 0a25eaad92d829d1516eef0414fa8c587199a036
SHA512 2063ab869d853dfd786dc00374973b9658a25ce4613329ea2b6092a12b18de6aa2a2288d716070024938f2e51fb28118bde1032864e291bf648c16df908ecc23
SSDEEP 98304:KzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zlgFeFCb:KhfefPtHxcp9ym3nltDUJV/o
TLSH
T1AD56F111B3D695B6D1BF0638D87A46696774BC049312CBAF5394BD392E32BC04E323B6
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/5164-2-0x0000000005450000-0x0000000005742000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
1492	MsiExec.exe
4604	rundll32.exe
4604	rundll32.exe
4604	rundll32.exe
4604	rundll32.exe
4604	rundll32.exe
4604	rundll32.exe
4604	rundll32.exe
4604	rundll32.exe
4604	rundll32.exe
2328	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)	\??\P:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (712d8aefd15635bb)\ScreenConnect.Core.dll	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\SystemTemp\~DF3BFCAB068C30339A.TMP	msiexec.exe
File created	C:\Windows\Installer\SourceHash{1D4AE8F9-F397-134A-7223-68E05B1E9157}	msiexec.exe
File opened for modification	C:\Windows\Installer\{1D4AE8F9-F397-134A-7223-68E05B1E9157}\DefaultIcon	msiexec.exe
File created	C:\Windows\Installer\e59c7cb.msi	msiexec.exe
File created	C:\Windows\Installer\{1D4AE8F9-F397-134A-7223-68E05B1E9157}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF4DBEC5DE8AC77E74.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\e59c7cb.msi	msiexec.exe
File created	C:\Windows\SystemTemp\~DFC986DFA43761C054.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSICF9B.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSICFEA.tmp	msiexec.exe
File created	C:\Windows\Installer\e59c7cd.msi	msiexec.exe
File created	C:\Windows\SystemTemp\~DF2F623333B416A282.TMP	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	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
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 = 0000000004000000ad3b1fc6af0fc0350000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c0120000000000000000000000002701010000883801ad3b1fc60000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e84101ad3b1fc6000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e3ad3b1fc600000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e6ad3b1fc600000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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 (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\PackageCode = "9F8EA4D1793FA4312732860EB5E11975"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\ProductIcon = "C:\\Windows\\Installer\\{1D4AE8F9-F397-134A-7223-68E05B1E9157}\\DefaultIcon"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-712d8aefd15635bb\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (712d8aefd15635bb)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-712d8aefd15635bb\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\InstanceType = "0"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-712d8aefd15635bb	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-712d8aefd15635bb\URL Protocol	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-712d8aefd15635bb\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-712d8aefd15635bb\shell\open	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\Version = "419561476"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\A3D58FCA39DDDA6D17D2A8FE1D6553BB	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\9F8EA4D1793FA4312732860EB5E11975\Full	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\Assignment = "1"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\Clients = 3a0000000000	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-712d8aefd15635bb\UseOriginalUrlEncoding = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\A3D58FCA39DDDA6D17D2A8FE1D6553BB\9F8EA4D1793FA4312732860EB5E11975	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\SourceList	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\712d8aefd15635bb\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\ProductName = "ScreenConnect Client (712d8aefd15635bb)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\Language = "1033"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\SourceList\Media\1 = ";"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\712d8aefd15635bb\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\9F8EA4D1793FA4312732860EB5E11975	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9F8EA4D1793FA4312732860EB5E11975\DeploymentFlags = "3"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-712d8aefd15635bb	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-712d8aefd15635bb\shell	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5452	msiexec.exe
5452	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5164	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	5644	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5644	msiexec.exe
Token: SeSecurityPrivilege	5452	msiexec.exe
Token: SeCreateTokenPrivilege	5644	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5644	msiexec.exe
Token: SeLockMemoryPrivilege	5644	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5644	msiexec.exe
Token: SeMachineAccountPrivilege	5644	msiexec.exe
Token: SeTcbPrivilege	5644	msiexec.exe
Token: SeSecurityPrivilege	5644	msiexec.exe
Token: SeTakeOwnershipPrivilege	5644	msiexec.exe
Token: SeLoadDriverPrivilege	5644	msiexec.exe
Token: SeSystemProfilePrivilege	5644	msiexec.exe
Token: SeSystemtimePrivilege	5644	msiexec.exe
Token: SeProfSingleProcessPrivilege	5644	msiexec.exe
Token: SeIncBasePriorityPrivilege	5644	msiexec.exe
Token: SeCreatePagefilePrivilege	5644	msiexec.exe
Token: SeCreatePermanentPrivilege	5644	msiexec.exe
Token: SeBackupPrivilege	5644	msiexec.exe
Token: SeRestorePrivilege	5644	msiexec.exe
Token: SeShutdownPrivilege	5644	msiexec.exe
Token: SeDebugPrivilege	5644	msiexec.exe
Token: SeAuditPrivilege	5644	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5644	msiexec.exe
Token: SeChangeNotifyPrivilege	5644	msiexec.exe
Token: SeRemoteShutdownPrivilege	5644	msiexec.exe
Token: SeUndockPrivilege	5644	msiexec.exe
Token: SeSyncAgentPrivilege	5644	msiexec.exe
Token: SeEnableDelegationPrivilege	5644	msiexec.exe
Token: SeManageVolumePrivilege	5644	msiexec.exe
Token: SeImpersonatePrivilege	5644	msiexec.exe
Token: SeCreateGlobalPrivilege	5644	msiexec.exe
Token: SeCreateTokenPrivilege	5644	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5644	msiexec.exe
Token: SeLockMemoryPrivilege	5644	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5644	msiexec.exe
Token: SeMachineAccountPrivilege	5644	msiexec.exe
Token: SeTcbPrivilege	5644	msiexec.exe
Token: SeSecurityPrivilege	5644	msiexec.exe
Token: SeTakeOwnershipPrivilege	5644	msiexec.exe
Token: SeLoadDriverPrivilege	5644	msiexec.exe
Token: SeSystemProfilePrivilege	5644	msiexec.exe
Token: SeSystemtimePrivilege	5644	msiexec.exe
Token: SeProfSingleProcessPrivilege	5644	msiexec.exe
Token: SeIncBasePriorityPrivilege	5644	msiexec.exe
Token: SeCreatePagefilePrivilege	5644	msiexec.exe
Token: SeCreatePermanentPrivilege	5644	msiexec.exe
Token: SeBackupPrivilege	5644	msiexec.exe
Token: SeRestorePrivilege	5644	msiexec.exe
Token: SeShutdownPrivilege	5644	msiexec.exe
Token: SeDebugPrivilege	5644	msiexec.exe
Token: SeAuditPrivilege	5644	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5644	msiexec.exe
Token: SeChangeNotifyPrivilege	5644	msiexec.exe
Token: SeRemoteShutdownPrivilege	5644	msiexec.exe
Token: SeUndockPrivilege	5644	msiexec.exe
Token: SeSyncAgentPrivilege	5644	msiexec.exe
Token: SeEnableDelegationPrivilege	5644	msiexec.exe
Token: SeManageVolumePrivilege	5644	msiexec.exe
Token: SeImpersonatePrivilege	5644	msiexec.exe
Token: SeCreateGlobalPrivilege	5644	msiexec.exe
Token: SeCreateTokenPrivilege	5644	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5644	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5644	msiexec.exe
5644	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5644	msiexec.exe
5452	msiexec.exe
1492	MsiExec.exe
2328	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5164 wrote to memory of 5644	5164	ScreenConnect.ClientSetup.exe	89
PID 5452 wrote to memory of 1492	5452	msiexec.exe	91
PID 1492 wrote to memory of 4604	1492	MsiExec.exe	92
PID 5452 wrote to memory of 4468	5452	msiexec.exe	97
PID 5452 wrote to memory of 2328	5452	msiexec.exe	100

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:5164
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\712d8aefd15635bb\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:5644

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:5452
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding D61E94A0CC8BFC7397F29C4C51C0ADF4 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6C0E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240741609 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4604
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4468
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding C4410EA481E3CE955C6980B969345FF4
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2328

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:4616

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

e59c7cc.rbs

Path C:\Config.Msi\e59c7cc.rbs
Size 10KB
SHA256 278dad84da66cef576f33690afdad8792a0777f35a81a524b48fceb5821194cf
MD5 4d71d49cd4b28bde1ed9b3bdb9a365c3
SHA1 4be263bf26dfb253c955e9c2cd371dbd1d1db558
SHA512 2b90a79062103063b35c0ff92a22b21ddb14db764be56d802b7b92749e8fabb8fe586506fece66624869ebe63a79d08f7027f99f15d3d342fc5c70231eac69bf
SSDEEP 96:SUpmVgfABQMWq2mVecHJpuvJGaqjcQbefqpptxICj+/+r9UhlAAiCsThq2UhlAAz:ScfbyPSCyWrWEAhIoEAhGqR89UpL
TLSH
T12922DF013202A1D1FA931B75C7471A2037B2EEF89314234B89CDA675CEA378957BD5DA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI6C0E.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI6C0E.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\MSI6C0E.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\MSI6C0E.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\MSI6C0E.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\MSI6C0E.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\712d8aefd15635bb\ScreenConnect.ClientSetup.msi
Size 14.0MB
SHA256 46ef9d4d6f94a8ea133ea9356a1625d7d144651aaa73582209119ff4187b6bd9
MD5 13479a99eb3c9d141a5923ff5e0871bc
SHA1 f4ca5289d8fe5629c9d6286999209f00217b8cf5
SHA512 9a1e9d0c05de23e2b73aefd1c22b8753eff8cc20608045918e518c7fd2ffc2e00ce9cafc2d8b3f351f46dcc319f2de3e46ba7c2d290c859ffdc812db2b237917
SSDEEP 196608:jHxcp9ym3nltDUJVLHxcp9ym37Hxcp9ym3/Hxcp9ym3THxcp9ym3cARHxcp9ym3B:NGplp0GpFGpJGp9GpjDGpjiGpjl
TLSH
T115E623116BF89278F1F22A35E876A0B1E5377D125E22D12E2224791E2C75EC0C9B3777
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSICFEA.tmp

Path C:\Windows\Installer\MSICFEA.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 30fd1f67f9d36e546a662074810a94cb81ac71616be4d56b69c29f96db587950
MD5 fa50adef73e9bab0ae96836e91bc8a3c
SHA1 fcd3ec28b5ec0dfe464a8c80b4600c2126538858
SHA512 a48a2a5b3ca60ba1922f1cb0294ffbb2b7bee7113ee1878b56344755be173ce352cd49bce0997dc4bd460016de8473f0a225aadc5c88861d6ac8f5aefb3716d5
SSDEEP 24576:eFo3DMPUdoO/vvTL/Sg88iFQvrumHb7P0BKudxSUKpyKpb9cMoRWclmd4+S:bHU
TLSH
T1E157B42436F92200E7F79E3DA8F06A234D397D5BAC15DE8D45511B4E0822F71E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{4a50496e-7744-429d-aca7-0bcb7c099ed6}_OnDiskSnapshotProp

Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{4a50496e-7744-429d-aca7-0bcb7c099ed6}_OnDiskSnapshotProp
Size 6KB
SHA256 c39fcfc113127ab86c98c610c29883efbdc01743ee12512648c84dfa1a2310fc
MD5 1fcfa6a07a4a73526fe59147ed69d44c
SHA1 15beb839508ad28ad18da10969487773c97b4557
SHA512 b3f32cb694a8b0fb7339f1619e2203486e1494e9e11c23f22d9399493a31d6f4d432d3bccee2f289705321f9151245c59d12e551f7b9fa65e672bd33f97c292d
SSDEEP 96:Fx9Hl7QCvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:lWeb++uVm
TLSH
T13DD188085AF54311E2B3AB7229F14557A837B811FF33CB8E0198238E6621A10F975F6F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4604-39-0x00000000060B0000-0x000000000613C000-memory.dmp

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memory/4604-43-0x00000000062F0000-0x000000000649C000-memory.dmp

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memory/4604-35-0x0000000005FC0000-0x0000000005FCA000-memory.dmp

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memory/4604-31-0x0000000005F80000-0x0000000005FAE000-memory.dmp

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memory/5164-7-0x0000000005D00000-0x00000000062BA000-memory.dmp

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memory/5164-8-0x00000000745B0000-0x0000000074D6C000-memory.dmp

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memory/5164-9-0x00000000745B0000-0x0000000074D6C000-memory.dmp

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memory/5164-6-0x0000000005280000-0x000000000542C000-memory.dmp

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memory/5164-0-0x00000000745C2000-0x00000000745C3000-memory.dmp

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memory/5164-5-0x0000000005250000-0x0000000005272000-memory.dmp

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memory/5164-11-0x00000000745B0000-0x0000000074D6C000-memory.dmp

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memory/5164-4-0x00000000051B0000-0x000000000523C000-memory.dmp

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memory/5164-3-0x00000000745B0000-0x0000000074D6C000-memory.dmp

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memory/5164-2-0x0000000005450000-0x0000000005742000-memory.dmp

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memory/5164-1-0x0000000001230000-0x0000000001238000-memory.dmp

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