691c74f56d546998e51af78a4a55a0b13744b3d4a882b0247da05b59e1e1d6c6

Analysis

max time kernel
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/06/2026, 11:13

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.7MB
Sample260620-nbmtnafx3s
SHA256 691c74f56d546998e51af78a4a55a0b13744b3d4a882b0247da05b59e1e1d6c6
MD5 db5f9352503f9cd7f1c572d03a64f32d
SHA1 9604fdffe5573bca0dc7e224867e90ffdc0c491e
SHA512 ec08df8937572cbbcf1efc9aaa5fcd17d5035a65a1f513aba29704e22b603898e9a284092385d34c5d7142310de2bf069cd8805479f659b1c6b32e85551284df
SSDEEP 98304:uzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zlF:uhfefPtHxcp9ym3nltDUJV
TLSH
T13556CF036295CE67C07AC7B8BF274B5D57327E044311B6EB5290B96E3F32780496E36A
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/3892-3-0x0000000005B30000-0x0000000005E22000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
4300	MsiExec.exe
4560	rundll32.exe
4560	rundll32.exe
4560	rundll32.exe
4560	rundll32.exe
4560	rundll32.exe
4560	rundll32.exe
4560	rundll32.exe
4560	rundll32.exe
4560	rundll32.exe
260	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)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\N:	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)	\??\N:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\A:	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)	\??\J:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b861fae9537e0e72)\Client.resources	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File created	C:\Windows\Installer\SourceHash{9D5070D5-AD93-555A-B250-57379E917A05}	msiexec.exe
File created	C:\Windows\Installer\{9D5070D5-AD93-555A-B250-57379E917A05}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF5CE790E662106E5B.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\e590f87.msi	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\SystemTemp\~DF5D47AB8C1A8BD3C7.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI1583.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\SystemTemp\~DF47A5A95ABF53F088.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI1563.tmp	msiexec.exe
File created	C:\Windows\Installer\e590f89.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\{9D5070D5-AD93-555A-B250-57379E917A05}\DefaultIcon	msiexec.exe
File created	C:\Windows\Installer\e590f87.msi	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File created	C:\Windows\SystemTemp\~DF0BAC11617349EBD9.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 = 0000000004000000047597e558d647160000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c0120000000000000000000000002701010000883801047597e50000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e84101047597e5000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e3047597e500000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e6047597e500000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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\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-b861fae9537e0e72\shell	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\Language = "1033"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\b861fae9537e0e72\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b861fae9537e0e72\URL Protocol	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\Clients = 3a0000000000	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b861fae9537e0e72\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\AuthorizedLUAApp = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\C36F1A3D801D95308B16AF9E35E7E027\5D0705D939DAA5552B057573E919A750	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\SourceList\Media\1 = ";"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-b861fae9537e0e72\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b861fae9537e0e72\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (b861fae9537e0e72)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\DeploymentFlags = "3"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\C36F1A3D801D95308B16AF9E35E7E027	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-b861fae9537e0e72	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5D0705D939DAA5552B057573E919A750	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\AdvertiseFlags = "388"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\ProductIcon = "C:\\Windows\\Installer\\{9D5070D5-AD93-555A-B250-57379E917A05}\\DefaultIcon"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\SourceList\Media	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b861fae9537e0e72\shell\open	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5D0705D939DAA5552B057573E919A750\Full	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\Version = "419561476"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\Assignment = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b861fae9537e0e72	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\ProductName = "ScreenConnect Client (b861fae9537e0e72)"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\SourceList\Net	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\b861fae9537e0e72\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b861fae9537e0e72\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\PackageCode = "5D0705D939DAA5552B057573E919A750"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5D0705D939DAA5552B057573E919A750\InstanceType = "0"	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3600	msiexec.exe
3600	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3892	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	2428	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2428	msiexec.exe
Token: SeSecurityPrivilege	3600	msiexec.exe
Token: SeCreateTokenPrivilege	2428	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2428	msiexec.exe
Token: SeLockMemoryPrivilege	2428	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2428	msiexec.exe
Token: SeMachineAccountPrivilege	2428	msiexec.exe
Token: SeTcbPrivilege	2428	msiexec.exe
Token: SeSecurityPrivilege	2428	msiexec.exe
Token: SeTakeOwnershipPrivilege	2428	msiexec.exe
Token: SeLoadDriverPrivilege	2428	msiexec.exe
Token: SeSystemProfilePrivilege	2428	msiexec.exe
Token: SeSystemtimePrivilege	2428	msiexec.exe
Token: SeProfSingleProcessPrivilege	2428	msiexec.exe
Token: SeIncBasePriorityPrivilege	2428	msiexec.exe
Token: SeCreatePagefilePrivilege	2428	msiexec.exe
Token: SeCreatePermanentPrivilege	2428	msiexec.exe
Token: SeBackupPrivilege	2428	msiexec.exe
Token: SeRestorePrivilege	2428	msiexec.exe
Token: SeShutdownPrivilege	2428	msiexec.exe
Token: SeDebugPrivilege	2428	msiexec.exe
Token: SeAuditPrivilege	2428	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2428	msiexec.exe
Token: SeChangeNotifyPrivilege	2428	msiexec.exe
Token: SeRemoteShutdownPrivilege	2428	msiexec.exe
Token: SeUndockPrivilege	2428	msiexec.exe
Token: SeSyncAgentPrivilege	2428	msiexec.exe
Token: SeEnableDelegationPrivilege	2428	msiexec.exe
Token: SeManageVolumePrivilege	2428	msiexec.exe
Token: SeImpersonatePrivilege	2428	msiexec.exe
Token: SeCreateGlobalPrivilege	2428	msiexec.exe
Token: SeCreateTokenPrivilege	2428	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2428	msiexec.exe
Token: SeLockMemoryPrivilege	2428	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2428	msiexec.exe
Token: SeMachineAccountPrivilege	2428	msiexec.exe
Token: SeTcbPrivilege	2428	msiexec.exe
Token: SeSecurityPrivilege	2428	msiexec.exe
Token: SeTakeOwnershipPrivilege	2428	msiexec.exe
Token: SeLoadDriverPrivilege	2428	msiexec.exe
Token: SeSystemProfilePrivilege	2428	msiexec.exe
Token: SeSystemtimePrivilege	2428	msiexec.exe
Token: SeProfSingleProcessPrivilege	2428	msiexec.exe
Token: SeIncBasePriorityPrivilege	2428	msiexec.exe
Token: SeCreatePagefilePrivilege	2428	msiexec.exe
Token: SeCreatePermanentPrivilege	2428	msiexec.exe
Token: SeBackupPrivilege	2428	msiexec.exe
Token: SeRestorePrivilege	2428	msiexec.exe
Token: SeShutdownPrivilege	2428	msiexec.exe
Token: SeDebugPrivilege	2428	msiexec.exe
Token: SeAuditPrivilege	2428	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2428	msiexec.exe
Token: SeChangeNotifyPrivilege	2428	msiexec.exe
Token: SeRemoteShutdownPrivilege	2428	msiexec.exe
Token: SeUndockPrivilege	2428	msiexec.exe
Token: SeSyncAgentPrivilege	2428	msiexec.exe
Token: SeEnableDelegationPrivilege	2428	msiexec.exe
Token: SeManageVolumePrivilege	2428	msiexec.exe
Token: SeImpersonatePrivilege	2428	msiexec.exe
Token: SeCreateGlobalPrivilege	2428	msiexec.exe
Token: SeCreateTokenPrivilege	2428	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2428	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2428	msiexec.exe
2428	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2428	msiexec.exe
3600	msiexec.exe
4300	MsiExec.exe
260	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3892 wrote to memory of 2428	3892	ScreenConnect.ClientSetup.exe	88
PID 3600 wrote to memory of 4300	3600	msiexec.exe	90
PID 4300 wrote to memory of 4560	4300	MsiExec.exe	91
PID 3600 wrote to memory of 5952	3600	msiexec.exe	96
PID 3600 wrote to memory of 260	3600	msiexec.exe	98

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:3892
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\b861fae9537e0e72\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:2428

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:3600
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding A57FB83F79A77B5E5FA3E66D32F5FEEA C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4300
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSICADD.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240700281 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4560
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:5952
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 0A4574D5A2EBDE79246F03FA11DF25A9
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:260

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:3376

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

e590f88.rbs

Path C:\Config.Msi\e590f88.rbs
Size 10KB
SHA256 0ccc923d95bccff8e81dbc3adc4e9c325e6ba176189e3245797ad4d492a7b6c8
MD5 64cbfcfe732882973fb4528a7121e4ad
SHA1 237333596b81210559ead376876e9a4d5369dda6
SHA512 44932fe20854a779658d477b69568d6d2b5f60ded6b54cc0c06a5d83bc90d6be3a91328d4f7ee940f2f4280ba59aaa2bed3769189b5804e73c5276dd63d3b6e8
SSDEEP 96:DFt/Y6AHKGljCfqb2CrfD9Ua2iCsThqdUa2iC6jpsua5ThqgH4C5rk72nnApmBCJ:Do6Dm/2CHWfhIXfh8+RW72nilpXJ
TLSH
T1D42221517201D3F1F5160B32DBAB1A6037B2DAA46301266F91CD907C4EA179EAB7E3C7
MD5 SHA1 SHA512 SSDEEP TLSH

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MSICADD.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSICADD.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\MSICADD.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\MSICADD.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\MSICADD.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\MSICADD.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\b861fae9537e0e72\ScreenConnect.ClientSetup.msi
Size 13.7MB
SHA256 7baa46f0a120a74bef2a608feefb8effd0de257f406f9ef826e4d03667ff9840
MD5 6a540beb92948fdb10bbe7de5a140f61
SHA1 550124237dd83bae294a30213f113a7f066c7e6a
SHA512 abaf2c5f99fb786e8ce2a19e20bf6732f708b9c723e92678af922a206eeed0f2adf3762e956326c0b3f5a1f1589e89b9403536bdc249af299298076c3cb4a0c4
SSDEEP 196608:CHxcp9ym3nltDUJVbHxcp9ym3XHxcp9ym3tHxcp9ym3dHxcp9ym3GHxcp9ym3ZHu:QGplpUGpBGpfGpPGpUGprGpd
TLSH
T125E6CD035AA8CF17E0B1D7B4BF275F6C67277E095952B1EB1124694F3F30A40899E22E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI1583.tmp

Path C:\Windows\Installer\MSI1583.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 63970bbff5d9a88a486d6dcba946b780f81f6eb6f142faf9ec1aa4338c80e769
MD5 ea2df32677c2e6181b83ee91352710c7
SHA1 1634f082c9540901dad2b46dcf8f61eb117e4d4f
SHA512 d6926822961688ae8b535659a016a00f2bf80c4cde91c4c5f8794b8b91e6905a2a158b2752021a0b6a136278143282f819b8428c5125dbb22c47efd0c26633c9
SSDEEP 24576:GFo3DMPndoO/vvTL/SQKqCVgP7egB7t50HMI9XUy8vEap9L6sIhm6jA7+Oc:wHg
TLSH
T1BB57B62536F92210E7F79E3CA8F0AA138A3D7D579C15DE8D45421B4E0821F71E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{71aebb45-d535-4012-9415-55c42aa78f24}_OnDiskSnapshotProp

Path \??\Volume{e5977504-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{71aebb45-d535-4012-9415-55c42aa78f24}_OnDiskSnapshotProp
Size 6KB
SHA256 8e170553a7d6b6b208270c990f7f6c2505ca16155063a236c5dddf0a3c40584b
MD5 818981b9d99d951e460b4cb340010dff
SHA1 db8fe9fa036be1363d341e59a732231b9f0d644e
SHA512 e4fe68fc0be1f119e5871c2e374e2de2ebc14cabb0aaed969521930688aa8842b9b8f47b868d9923ca0f00aead3046111dd23972e39579ba2bbcf66ba8fe13a8
SSDEEP 96:Fttxnvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:jXb++uVm
TLSH
T120D188185AF54711E2B3AB3128F18557A877B911EF33CB8E0198238E6631910F875F6F
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3892-13-0x0000000074620000-0x0000000074DDC000-memory.dmp

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memory/3892-6-0x00000000058D0000-0x0000000005A7C000-memory.dmp

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memory/3892-0-0x0000000074632000-0x0000000074633000-memory.dmp

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memory/3892-9-0x0000000074620000-0x0000000074DDC000-memory.dmp

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memory/3892-8-0x00000000063E0000-0x000000000699A000-memory.dmp

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memory/3892-1-0x0000000001940000-0x0000000001948000-memory.dmp

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memory/3892-4-0x0000000005830000-0x00000000058BC000-memory.dmp

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memory/3892-2-0x0000000074620000-0x0000000074DDC000-memory.dmp

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memory/3892-3-0x0000000005B30000-0x0000000005E22000-memory.dmp

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memory/3892-5-0x00000000033C0000-0x00000000033E2000-memory.dmp

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memory/3892-10-0x0000000074620000-0x0000000074DDC000-memory.dmp

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memory/3892-7-0x0000000074620000-0x0000000074DDC000-memory.dmp

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memory/4560-44-0x0000000006360000-0x000000000650C000-memory.dmp

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memory/4560-40-0x0000000006120000-0x00000000061AC000-memory.dmp

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memory/4560-36-0x0000000006080000-0x000000000608A000-memory.dmp

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memory/4560-32-0x0000000006040000-0x000000000606E000-memory.dmp

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