48aab8be1d71524bc52147732af43a4db631b5c9dacd731a08edaa44aeef6133

Analysis

max time kernel
149s
max time network
122s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260617-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/06/2026, 16:17

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.8MB
Sample260623-trmrgset3x
SHA256 48aab8be1d71524bc52147732af43a4db631b5c9dacd731a08edaa44aeef6133
MD5 8a2bfd3db3c1c7174d79577ee3669e04
SHA1 7c530a4db564f4eb3797b15d25c9d25cb58cc9d0
SHA512 b0dc138a998b64da258d74ba926fed4b784bd827cb68e24d0cd771bc4fb5e49faebe7e0fd1d3d95c7fc2ea2c167b79ad1b5d135aa65dc61646919a780f16121e
SSDEEP 98304:REs6efPNwJ4t1h0cG5FGJRPxow8O4x2sPK:OfefPKWh0cGwWDP
TLSH
T10656F111B3DA95B9D4BF063CD87A42699A74BC048712C7EF53D4BD2D2D32BC05A323A6
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/5016-2-0x0000000005760000-0x0000000005A50000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
5024	MsiExec.exe
4480	rundll32.exe
4480	rundll32.exe
4480	rundll32.exe
4480	rundll32.exe
4480	rundll32.exe
4480	rundll32.exe
4480	rundll32.exe
4480	rundll32.exe
4480	rundll32.exe
3952	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)	\??\L:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (5389a32663222222)\Client.en-US.resources	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File created	C:\Windows\SystemTemp\~DF2D7BF81F3D04A083.TMP	msiexec.exe
File created	C:\Windows\Installer\e5932ce.msi	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\Installer\SourceHash{4B05437A-B26B-5452-31E0-7B4B1AC55626}	msiexec.exe
File created	C:\Windows\SystemTemp\~DF6A7039355B5A2A70.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\e5932d0.msi	msiexec.exe
File created	C:\Windows\Installer\{4B05437A-B26B-5452-31E0-7B4B1AC55626}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF6843B877209339E1.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI38BB.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\{4B05437A-B26B-5452-31E0-7B4B1AC55626}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Installer\e5932ce.msi	msiexec.exe
File created	C:\Windows\SystemTemp\~DFF4852698216B60A9.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI389A.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 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 = 0000000004000000ee074f2e6e4390cd0000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c0120000000000000000000000002701010000883801ee074f2e0000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e84101ee074f2e000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e3ee074f2e00000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e6ee074f2e00000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\A73450B4B62B2545130EB7B4A15C6562	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\ProductName = "ScreenConnect Client (5389a32663222222)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-5389a32663222222	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-5389a32663222222\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-5389a32663222222\shell	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\24.3.7.9067\\5389a32663222222\\"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-5389a32663222222\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-5389a32663222222\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\A9E189BE26330FE535983A6236222222\A73450B4B62B2545130EB7B4A15C6562	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\SourceList	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-5389a32663222222\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (5389a32663222222)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\Version = "402849799"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\24.3.7.9067\\5389a32663222222\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\ProductIcon = "C:\\Windows\\Installer\\{4B05437A-B26B-5452-31E0-7B4B1AC55626}\\DefaultIcon"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\A9E189BE26330FE535983A6236222222	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\SourceList\Net	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\PackageCode = "A73450B4B62B2545130EB7B4A15C6562"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-5389a32663222222	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\A73450B4B62B2545130EB7B4A15C6562\Full	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\SourceList\Media\1 = ";"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-5389a32663222222\URL Protocol	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A73450B4B62B2545130EB7B4A15C6562\SourceList\Media	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-5389a32663222222\shell\open\command	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4344	msiexec.exe
4344	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	5360	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5360	msiexec.exe
Token: SeSecurityPrivilege	4344	msiexec.exe
Token: SeCreateTokenPrivilege	5360	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5360	msiexec.exe
Token: SeLockMemoryPrivilege	5360	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5360	msiexec.exe
Token: SeMachineAccountPrivilege	5360	msiexec.exe
Token: SeTcbPrivilege	5360	msiexec.exe
Token: SeSecurityPrivilege	5360	msiexec.exe
Token: SeTakeOwnershipPrivilege	5360	msiexec.exe
Token: SeLoadDriverPrivilege	5360	msiexec.exe
Token: SeSystemProfilePrivilege	5360	msiexec.exe
Token: SeSystemtimePrivilege	5360	msiexec.exe
Token: SeProfSingleProcessPrivilege	5360	msiexec.exe
Token: SeIncBasePriorityPrivilege	5360	msiexec.exe
Token: SeCreatePagefilePrivilege	5360	msiexec.exe
Token: SeCreatePermanentPrivilege	5360	msiexec.exe
Token: SeBackupPrivilege	5360	msiexec.exe
Token: SeRestorePrivilege	5360	msiexec.exe
Token: SeShutdownPrivilege	5360	msiexec.exe
Token: SeDebugPrivilege	5360	msiexec.exe
Token: SeAuditPrivilege	5360	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5360	msiexec.exe
Token: SeChangeNotifyPrivilege	5360	msiexec.exe
Token: SeRemoteShutdownPrivilege	5360	msiexec.exe
Token: SeUndockPrivilege	5360	msiexec.exe
Token: SeSyncAgentPrivilege	5360	msiexec.exe
Token: SeEnableDelegationPrivilege	5360	msiexec.exe
Token: SeManageVolumePrivilege	5360	msiexec.exe
Token: SeImpersonatePrivilege	5360	msiexec.exe
Token: SeCreateGlobalPrivilege	5360	msiexec.exe
Token: SeCreateTokenPrivilege	5360	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5360	msiexec.exe
Token: SeLockMemoryPrivilege	5360	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5360	msiexec.exe
Token: SeMachineAccountPrivilege	5360	msiexec.exe
Token: SeTcbPrivilege	5360	msiexec.exe
Token: SeSecurityPrivilege	5360	msiexec.exe
Token: SeTakeOwnershipPrivilege	5360	msiexec.exe
Token: SeLoadDriverPrivilege	5360	msiexec.exe
Token: SeSystemProfilePrivilege	5360	msiexec.exe
Token: SeSystemtimePrivilege	5360	msiexec.exe
Token: SeProfSingleProcessPrivilege	5360	msiexec.exe
Token: SeIncBasePriorityPrivilege	5360	msiexec.exe
Token: SeCreatePagefilePrivilege	5360	msiexec.exe
Token: SeCreatePermanentPrivilege	5360	msiexec.exe
Token: SeBackupPrivilege	5360	msiexec.exe
Token: SeRestorePrivilege	5360	msiexec.exe
Token: SeShutdownPrivilege	5360	msiexec.exe
Token: SeDebugPrivilege	5360	msiexec.exe
Token: SeAuditPrivilege	5360	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5360	msiexec.exe
Token: SeChangeNotifyPrivilege	5360	msiexec.exe
Token: SeRemoteShutdownPrivilege	5360	msiexec.exe
Token: SeUndockPrivilege	5360	msiexec.exe
Token: SeSyncAgentPrivilege	5360	msiexec.exe
Token: SeEnableDelegationPrivilege	5360	msiexec.exe
Token: SeManageVolumePrivilege	5360	msiexec.exe
Token: SeImpersonatePrivilege	5360	msiexec.exe
Token: SeCreateGlobalPrivilege	5360	msiexec.exe
Token: SeCreateTokenPrivilege	5360	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5360	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5360	msiexec.exe
5360	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5360	msiexec.exe
4344	msiexec.exe
5024	MsiExec.exe
3952	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 5360	5016	ScreenConnect.ClientSetup.exe	88
PID 4344 wrote to memory of 5024	4344	msiexec.exe	90
PID 5024 wrote to memory of 4480	5024	MsiExec.exe	91
PID 4344 wrote to memory of 4632	4344	msiexec.exe	96
PID 4344 wrote to memory of 3952	4344	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:5016
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\5389a32663222222\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:5360

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:4344
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 94B9DC52BDF77290E7A22C558D8AA27D C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIEFAA.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240709843 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4480
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4632
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 05027B78FAE497E6FA976B576DA45E76
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3952

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:3740

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

e5932cf.rbs

Path C:\Config.Msi\e5932cf.rbs
Size 10KB
SHA256 8835a57cd8ff804ed3c1147440f327842957e5679e91fc4654d3cf8492e50602
MD5 013430e8a190d513fed0994496e7a99e
SHA1 14048024f88e0bb4a73373115f833f7cf476983c
SHA512 4334d43da09e800b1a12aed23214876cf88d3357e0b278e3d1b9d1471e5ecc9433efc760038811bd0933572d1783dd0333d84d3ab7b524ceb9fe206e3938befa
SSDEEP 96:e+fUm5weAj6G/jUfgloCTvnmUtJpHCsThqcUtJpHC6j76OzThqmH+q53NVb5cFyG:eNmyenI1oCjZTpiIyTpik1DVbeKpC
TLSH
T131220142B345D0D1F38A1A72CB871A243FB2DFE65351322B01DC11395EA1BA92BBD6C7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIEFAA.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSIEFAA.tmp
Size 1.0MB
SHA256 0918d8ab2237368a5cec8ce99261fb07a1a1beeda20464c0f91af0fe3349636b
MD5 8a8767f589ea2f2c7496b63d8ccc2552
SHA1 cc5de8dd18e7117d8f2520a51edb1d165cae64b0
SHA512 518231213ca955acdf37b4501fde9c5b15806d4fc166950eb8706e8d3943947cf85324faee806d7df828485597eceffcfa05ca1a5d8ab1bd51ed12df963a1fe4
SSDEEP 24576:QUUGGHn+rUGemcPe9MpKL4Plb2sZWV+tLv0QYu5OPthT+gd:jGHpRPqMpvlqs0O4iO2k
TLSH
T18C35231873E9C436F5E679385E32A1D205FCBE764E70904E6B99292C0DB0F82D6B4763
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Microsoft.Deployment.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSIEFAA.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\MSIEFAA.tmp-\ScreenConnect.Core.dll
Size 536KB
SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
MD5 14e7489ffebbb5a2ea500f796d881ad9
SHA1 0323ee0e1faa4aa0e33fb6c6147290aa71637ebd
SHA512 2110113240b7d803d8271139e0a2439dbc86ae8719ecd8b132bbda2520f22dc3f169598c8e966ac9c0a40e617219cb8fe8aac674904f6a1ae92d4ac1e20627cd
SSDEEP 12288:xC2YKhQCNc6kVTplfWL/YTHUYCBdySISYz:HhE6O7WL/EC
TLSH
T12BC47D2233AC9A2EC56E133BB072915DC5F0E906351AF79F76C5E5BC2EC27450E112EA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.InstallerActions.dll

Path C:\Users\Admin\AppData\Local\Temp\MSIEFAA.tmp-\ScreenConnect.InstallerActions.dll
Size 11KB
SHA256 d727a640723d192aa3ece213a173381682041cb28d8bd71781524dbae3ddbf62
MD5 73a24164d8408254b77f3a2c57a22ab4
SHA1 ea0215721f66a93d67019d11c4e588a547cc2ad6
SHA512 650d4320d9246aaecd596ac8b540bf7612ec7a8f60ecaa6e9c27b547b751386222ab926d0c915698d0bb20556475da507895981c072852804f0b42fdda02b844
SSDEEP 192:V8/Qp6lCJuV3jHXtyVNamVNG1YZfCrMmbfHJ7kjvLjbuLd9NEFbM64:y/cBJaLXt2NaheUrMmb/FkjvLjbuZj64
TLSH
T1F932E70077DC533AE8BE1F78EEB361910A71FB64A011DF2E18CCA1569C367449EA07A3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.Windows.dll

Path C:\Users\Admin\AppData\Local\Temp\MSIEFAA.tmp-\ScreenConnect.Windows.dll
Size 1.6MB
SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
MD5 9ad3964ba3ad24c42c567e47f88c82b2
SHA1 6b4b581fc4e3ecb91b24ec601daa0594106bcc5d
SHA512 ce557a89c0fe6de59046116c1e262a36bbc3d561a91e44dcda022bef72cb75742c8b01bedcc5b9b999e07d8de1f94c665dd85d277e981b27b6bfebeaf9e58097
SSDEEP 24576:dx5xeYkYFj+Ifz3zvnXj/zXzvAAkGz8mvgtX79S+2bfh+RfmT01krTFiH4SqfKPo:dx5xTkYJkGYYpT0+TFiH7efP
TLSH
T1DC85BD41E2C365F5D46B047888BF572ABA743C080315CAFB97D4AE396D33BC09A36756
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.ClientSetup.msi

Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\5389a32663222222\ScreenConnect.ClientSetup.msi
Size 14.1MB
SHA256 d07e9889e5e00f1c1c55d72578181e8d604b508f5223b397bf549f28c292e5b3
MD5 20093a26cd6873484886851e47d9ce68
SHA1 8e0a60e6e0f0e0a9b2811c370d0848b68d812969
SHA512 a51b4a6e4a4f702b284c5f0efded6418f1f22d0dc6552ae3541dfc19d79e8de25392789903527a7fc8cfca846b154e39cabe1e2c6f65990cb2c08e8f21875187
SSDEEP 393216:VWactWacUWacfWac2WacYzLWacYzjWacYzR:XsnIXvzNvz1vzR
TLSH
T1DCE6232123FD441AF8F35A7DFE3682A85D71BE64DE61C11E5228B90D2A70E5096733B3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI38BB.tmp

Path C:\Windows\Installer\MSI38BB.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 b5d217bdcf2a311cc10788ba8a6d02e4acd82ca567893ed5532a0f8027e9a993
MD5 840904a2f3c4686c1ed708442e81792d
SHA1 a6e8e1276d27d5b59094a539a71caac67d69eba1
SHA512 a20382ac51ca7367baa793ce755f53a6b029bd351a139784ed8c19f6a7bc677c3b86bea4ff074acd748fee1eb29314f2976f663d1fa268751058596014eca6b3
SSDEEP 24576:/Fo3DMPbdoO/vvTL/CggASlgvbuarrHzUdmS9Neo2VO65XBgcYBGg5aBEO+:JH8
TLSH
T10857E12432FA2210E7B79E3CACF16A234D3A7D5B9C15DE8D05451B4E0862F71E872F66
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{90f2dca2-0c73-43bf-96fe-a5a358da3446}_OnDiskSnapshotProp

Path \??\Volume{2e4f07ee-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{90f2dca2-0c73-43bf-96fe-a5a358da3446}_OnDiskSnapshotProp
Size 6KB
SHA256 5ccfb7caef5e74a2ae0a84d4e47783f793bfcefcfef338c947167ca49ee26a08
MD5 2f532070750b67f935ba024a5bc48dfc
SHA1 86b9c402da1591cfbfc2d4ccb6c8cea3a4945f16
SHA512 c8f5470545a7f7750dd32b691a1e1e378c2d4c39c4f706559501155397f40b3cf6737ed215dd709d216598a719f47199c9a38df0bca4920690ba4c29773d35cd
SSDEEP 96:FbLVuNyvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:RDb++uVm
TLSH
T13ED1980C5AE54711E2B3AB312CF18557A837B912EF33CB8E0198238E6671910F875F6B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4480-44-0x0000000005F70000-0x000000000611A000-memory.dmp

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memory/4480-40-0x0000000005D20000-0x0000000005DAC000-memory.dmp

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memory/4480-36-0x0000000005C80000-0x0000000005C8A000-memory.dmp

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memory/4480-32-0x0000000005C50000-0x0000000005C7E000-memory.dmp

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memory/5016-8-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/5016-13-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/5016-10-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/5016-9-0x0000000006010000-0x00000000065CA000-memory.dmp

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memory/5016-5-0x0000000005370000-0x0000000005392000-memory.dmp

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memory/5016-7-0x0000000005460000-0x000000000560A000-memory.dmp

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memory/5016-0-0x0000000074D22000-0x0000000074D23000-memory.dmp

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memory/5016-6-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/5016-4-0x0000000002E70000-0x0000000002EFC000-memory.dmp

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memory/5016-3-0x0000000074D10000-0x00000000754CC000-memory.dmp

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memory/5016-2-0x0000000005760000-0x0000000005A50000-memory.dmp

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memory/5016-1-0x0000000002D00000-0x0000000002D08000-memory.dmp

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