7ef03054d3a602d418a382b00f10970148ce87d107f7d06e9fa5da71c8e4d3da

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 19:13

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.4MB
Sample260802-xxlcdswtfy
SHA256 7ef03054d3a602d418a382b00f10970148ce87d107f7d06e9fa5da71c8e4d3da
MD5 0f2e05992e1eb1032016d044b0f93b37
SHA1 61a32c987ed090c54b7470502bb5a615f121c9e2
SHA512 3e6a07244f9a239494c7ebc1f2feb1878420921687cf56c8181ede5c3f7fb61e803c6950c7572c13fb39192c043aba8a4f17eb233b0326cac5bdf8559661b7b0
SSDEEP 98304:NzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:NhfefPtHxcp9ym3nltDUJV
TLSH
T1FF46E101B3D695B6D1BF1638D87A52696734BC049316CBBF5394BD392E32BC04E323A6
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/6052-2-0x0000000005660000-0x0000000005952000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
5044	MsiExec.exe
1396	rundll32.exe
1396	rundll32.exe
1396	rundll32.exe
1396	rundll32.exe
1396	rundll32.exe
1396	rundll32.exe
1396	rundll32.exe
1396	rundll32.exe
1396	rundll32.exe
5360	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)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	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
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (db1de130131b2e40)\ScreenConnect.WindowsFileManager.exe	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e59d884.msi	msiexec.exe
File created	C:\Windows\Installer\SourceHash{9F6A3460-4EC2-F3B2-81B8-3C0D96B40D58}	msiexec.exe
File created	C:\Windows\Installer\{9F6A3460-4EC2-F3B2-81B8-3C0D96B40D58}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DFC838B395BB27B007.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DFC5F27AB17B85C824.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\{9F6A3460-4EC2-F3B2-81B8-3C0D96B40D58}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF1980CBE4D1E334C0.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIDF79.tmp	msiexec.exe
File created	C:\Windows\Installer\e59d886.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e59d884.msi	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIDFB9.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DFF1503A28B157174E.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
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 = 0000000004000000508ea0cb0cbd3e300000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c0120000000000000000000000002701010000883801508ea0cb0000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e84101508ea0cb000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e3508ea0cb00000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e6508ea0cb00000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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

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
Key created	\REGISTRY\MACHINE\Software\Classes\sc-db1de130131b2e40\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\SourceList\Media\1 = ";"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\ProductName = "ScreenConnect Client (db1de130131b2e40)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\Version = "419561476"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-db1de130131b2e40\URL Protocol	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\0643A6F92CE42B3F188BC3D0694BD085\Full	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\AdvertiseFlags = "388"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\ProductIcon = "C:\\Windows\\Installer\\{9F6A3460-4EC2-F3B2-81B8-3C0D96B40D58}\\DefaultIcon"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\db1de130131b2e40\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-db1de130131b2e40	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-db1de130131b2e40\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-db1de130131b2e40\shell	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-db1de130131b2e40\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (db1de130131b2e40)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\PackageCode = "0643A6F92CE42B3F188BC3D0694BD085"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\InstanceType = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\db1de130131b2e40\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\AB5DFBBB39864DDDBDD11E0331B1E204	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\AB5DFBBB39864DDDBDD11E0331B1E204\0643A6F92CE42B3F188BC3D0694BD085	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-db1de130131b2e40	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-db1de130131b2e40\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-db1de130131b2e40\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\0643A6F92CE42B3F188BC3D0694BD085	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\AuthorizedLUAApp = "0"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0643A6F92CE42B3F188BC3D0694BD085\Clients = 3a0000000000	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2836	msiexec.exe
2836	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	6052	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	3008	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3008	msiexec.exe
Token: SeSecurityPrivilege	2836	msiexec.exe
Token: SeCreateTokenPrivilege	3008	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3008	msiexec.exe
Token: SeLockMemoryPrivilege	3008	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3008	msiexec.exe
Token: SeMachineAccountPrivilege	3008	msiexec.exe
Token: SeTcbPrivilege	3008	msiexec.exe
Token: SeSecurityPrivilege	3008	msiexec.exe
Token: SeTakeOwnershipPrivilege	3008	msiexec.exe
Token: SeLoadDriverPrivilege	3008	msiexec.exe
Token: SeSystemProfilePrivilege	3008	msiexec.exe
Token: SeSystemtimePrivilege	3008	msiexec.exe
Token: SeProfSingleProcessPrivilege	3008	msiexec.exe
Token: SeIncBasePriorityPrivilege	3008	msiexec.exe
Token: SeCreatePagefilePrivilege	3008	msiexec.exe
Token: SeCreatePermanentPrivilege	3008	msiexec.exe
Token: SeBackupPrivilege	3008	msiexec.exe
Token: SeRestorePrivilege	3008	msiexec.exe
Token: SeShutdownPrivilege	3008	msiexec.exe
Token: SeDebugPrivilege	3008	msiexec.exe
Token: SeAuditPrivilege	3008	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3008	msiexec.exe
Token: SeChangeNotifyPrivilege	3008	msiexec.exe
Token: SeRemoteShutdownPrivilege	3008	msiexec.exe
Token: SeUndockPrivilege	3008	msiexec.exe
Token: SeSyncAgentPrivilege	3008	msiexec.exe
Token: SeEnableDelegationPrivilege	3008	msiexec.exe
Token: SeManageVolumePrivilege	3008	msiexec.exe
Token: SeImpersonatePrivilege	3008	msiexec.exe
Token: SeCreateGlobalPrivilege	3008	msiexec.exe
Token: SeCreateTokenPrivilege	3008	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3008	msiexec.exe
Token: SeLockMemoryPrivilege	3008	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3008	msiexec.exe
Token: SeMachineAccountPrivilege	3008	msiexec.exe
Token: SeTcbPrivilege	3008	msiexec.exe
Token: SeSecurityPrivilege	3008	msiexec.exe
Token: SeTakeOwnershipPrivilege	3008	msiexec.exe
Token: SeLoadDriverPrivilege	3008	msiexec.exe
Token: SeSystemProfilePrivilege	3008	msiexec.exe
Token: SeSystemtimePrivilege	3008	msiexec.exe
Token: SeProfSingleProcessPrivilege	3008	msiexec.exe
Token: SeIncBasePriorityPrivilege	3008	msiexec.exe
Token: SeCreatePagefilePrivilege	3008	msiexec.exe
Token: SeCreatePermanentPrivilege	3008	msiexec.exe
Token: SeBackupPrivilege	3008	msiexec.exe
Token: SeRestorePrivilege	3008	msiexec.exe
Token: SeShutdownPrivilege	3008	msiexec.exe
Token: SeDebugPrivilege	3008	msiexec.exe
Token: SeAuditPrivilege	3008	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3008	msiexec.exe
Token: SeChangeNotifyPrivilege	3008	msiexec.exe
Token: SeRemoteShutdownPrivilege	3008	msiexec.exe
Token: SeUndockPrivilege	3008	msiexec.exe
Token: SeSyncAgentPrivilege	3008	msiexec.exe
Token: SeEnableDelegationPrivilege	3008	msiexec.exe
Token: SeManageVolumePrivilege	3008	msiexec.exe
Token: SeImpersonatePrivilege	3008	msiexec.exe
Token: SeCreateGlobalPrivilege	3008	msiexec.exe
Token: SeCreateTokenPrivilege	3008	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3008	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3008	msiexec.exe
3008	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3008	msiexec.exe
2836	msiexec.exe
5044	MsiExec.exe
5360	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 6052 wrote to memory of 3008	6052	ScreenConnect.ClientSetup.exe	89
PID 2836 wrote to memory of 5044	2836	msiexec.exe	91
PID 5044 wrote to memory of 1396	5044	MsiExec.exe	92
PID 2836 wrote to memory of 2140	2836	msiexec.exe	98
PID 2836 wrote to memory of 5360	2836	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:6052
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\db1de130131b2e40\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:3008

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:2836
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding CA4DEA6C34879300878234E0E57FF5F0 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5044
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI72B5.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240743718 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1396
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:2140
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding B43C732ED099873C3D51225F768FDCA2
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5360

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:5064

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

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Downloads

e59d885.rbs

Path C:\Config.Msi\e59d885.rbs
Size 10KB
SHA256 4eb9d212e90ae0a87a084859c5c665d1af8ca589044fdcfd36ab847f694ae164
MD5 a06ece276fb31609f65907a03a943529
SHA1 54380beb9994c4955d6ef3a4783920a19e142394
SHA512 cc0127d26f33cc9ca2ab6a63660f0597b0394b0387c51fd51e75305d32df124d2a14b69e1ecf01b5de5a125cce5eabf7b66f1654f131a6eaf11908c24819b0e5
SSDEEP 96:WG+ASRTO6l4AHKGzjgfktwCncX9UsuiCsThqLUsuiC6jfKenThqyHSu5nymiLdsq:WGYO6l4zsFwCGWNhIxNh8ZEZKvpY
TLSH
T12D223001770192E0EA671F36D74B0E183BB69DD9A741230F1ACC82794DA7B8D5BBC2C6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI72B5.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI72B5.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

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Microsoft.Deployment.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI72B5.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\MSI72B5.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\MSI72B5.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\MSI72B5.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\db1de130131b2e40\ScreenConnect.ClientSetup.msi
Size 12.8MB
SHA256 de3336830678961ce3106e0bd612f2fc8c86fa49470e177dc9293de1f7c085b3
MD5 a6f493c5727ccff5bcf5658253319949
SHA1 c45d5cc050a289f0217acae5bc518da539495cf7
SHA512 ff87251c793ae32149a1a0df0ec26ceb86ba4b90abbde0bc88dddeea8cfe6b8eee1245aa17a0e53431c7627bfd668cc4d1d9ec26e575aff83210423c0f36bd5e
SSDEEP 196608:8Hxcp9ym3nltDUJVPHxcp9ym3EHxcp9ym31Hxcp9ym3WHxcp9ym3pHxcp9ym3IH1:aGplpcGpiGpnGpkGp7GpWGpW
TLSH
T1E2D623116BF89678F0F26A35E876A0B1A5377C125E22D12E2324791E2C75EC0C9B3777
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIDFB9.tmp

Path C:\Windows\Installer\MSIDFB9.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 b0299add6f6ad330e2d68b1a3625d7fb3b643bd801a89040ce1070cb9e72d430
MD5 9a0508627fefa74c704be12463798d09
SHA1 abc01a4d1b38c4962a709d90539a5d9ea11e7dec
SHA512 5ce12b50048c4d388dd9d6e240c9efd1e5fe3ab1cf2db38f85fe168cbf3ce2f37e150e7c9c00c45b25b21968186b7260b0a0f1b248b3f65040c47de858a38e74
SSDEEP 24576:4Fo3DMPtdoO/vvTL/yQqKC1gP7egB7tZUHMo93Uy8PE6JdrasIBm6jgb+OQ:oHk
TLSH
T14D57A31437F92140E7B79E3CA8F06A234D397D5BAC19DE8D45411B4E0922FB1E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{59d3c4f8-f33a-41bf-971b-d07da0dee677}_OnDiskSnapshotProp

Path \??\Volume{cba08e50-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{59d3c4f8-f33a-41bf-971b-d07da0dee677}_OnDiskSnapshotProp
Size 6KB
SHA256 82c821ca027da1f51cee48c4260f71b4163088a42f23a435e6d3472ac007f621
MD5 d6a83d36eb77e788c0026b0f4e690ba3
SHA1 042d647319e52eec4a93b0150de5424bbbe24ef3
SHA512 077e4266012abe0b87ede585118b1d5a91254f34af4acb0fbb2a65bf74b0d2b5bb53f235ea3ed3350673e9319fe3c6e9b7665699e906a672ad5d47f2660988d9
SSDEEP 96:F7IhSxnavc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:6Zb++uVm
TLSH
T1F5D18A085AF54711E2B3AB7129F14557A877B811FF33CB8E0194238E6621A10F975F6F
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1396-40-0x0000000003AC0000-0x0000000003B4C000-memory.dmp

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memory/1396-32-0x00000000039C0000-0x00000000039EE000-memory.dmp

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memory/1396-44-0x0000000005D10000-0x0000000005EBC000-memory.dmp

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memory/1396-36-0x0000000003A00000-0x0000000003A0A000-memory.dmp

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memory/6052-4-0x0000000002D90000-0x0000000002E1C000-memory.dmp

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memory/6052-12-0x0000000075010000-0x00000000757CC000-memory.dmp

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memory/6052-5-0x0000000005180000-0x00000000051A2000-memory.dmp

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memory/6052-6-0x00000000051A0000-0x000000000534C000-memory.dmp

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memory/6052-3-0x0000000075010000-0x00000000757CC000-memory.dmp

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memory/6052-7-0x0000000075010000-0x00000000757CC000-memory.dmp

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memory/6052-2-0x0000000005660000-0x0000000005952000-memory.dmp

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memory/6052-0-0x0000000075022000-0x0000000075023000-memory.dmp

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memory/6052-10-0x0000000075010000-0x00000000757CC000-memory.dmp

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memory/6052-1-0x0000000000DE0000-0x0000000000DE8000-memory.dmp

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memory/6052-9-0x0000000075010000-0x00000000757CC000-memory.dmp

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memory/6052-8-0x0000000005F10000-0x00000000064CA000-memory.dmp

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