08230ab9413d48445adc50a44ac220c38b933fe0ee91c4e385420d7b1a37e117

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/06/2026, 13:04

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.5MB
Sample260623-qa7hsac17z
SHA256 08230ab9413d48445adc50a44ac220c38b933fe0ee91c4e385420d7b1a37e117
MD5 4a28d74422d11c29804d84bff744fd0c
SHA1 253458f1958ac40a8744a2d14d5d61c01d9a2123
SHA512 5427bbafa210f590691a163054ed1a1c9066a4bf2539f8c3da63d5f6d68586c772f6ad9da4007ccf7a398efd3efb4ae8726a51215b2f2767cf2ba16a1af2a911
SSDEEP 98304:TzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:ThfefPtHxcp9ym3nltDUJV
TLSH
T1FA46E111B3D695B6D17F1638D87A42A56674BC048316CBBB53D4BD392E32BC08E323B6
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/2776-2-0x00000000059E0000-0x0000000005CD2000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
5044	MsiExec.exe
3980	rundll32.exe
3980	rundll32.exe
3980	rundll32.exe
3980	rundll32.exe
3980	rundll32.exe
3980	rundll32.exe
3980	rundll32.exe
3980	rundll32.exe
3980	rundll32.exe
4644	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)	\??\M:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\M:	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)	\??\S:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (507a8b767de55738)\Client.en-US.resources	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e58b6e7.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\SystemTemp\~DF9E4CC2AF880230A2.TMP	msiexec.exe
File created	C:\Windows\Installer\{F689C045-8826-2C23-BBF9-BF6FE4BFF589}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DFCB44D92F28509223.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\e58b6e7.msi	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\SystemTemp\~DF38F78EE14071F392.TMP	msiexec.exe
File created	C:\Windows\Installer\SourceHash{F689C045-8826-2C23-BBF9-BF6FE4BFF589}	msiexec.exe
File created	C:\Windows\Installer\e58b6e9.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\{F689C045-8826-2C23-BBF9-BF6FE4BFF589}\DefaultIcon	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\MSIBAA0.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIBAD0.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DF7ABF8226D453E933.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 = 000000000400000079a1ec25e3a9f2d50000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c012000000000000000000000000270101000088380179a1ec250000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e8410179a1ec25000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e379a1ec2500000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e679a1ec2500000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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\sc-507a8b767de55738\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\540C986F628832C2BB9FFBF64EFB5F98\Full	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\507a8b767de55738\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-507a8b767de55738\URL Protocol	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-507a8b767de55738\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (507a8b767de55738)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\340165576DADC60905A7B867D75E7583\540C986F628832C2BB9FFBF64EFB5F98	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\507a8b767de55738\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-507a8b767de55738\shell\open	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\Language = "1033"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-507a8b767de55738\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\ProductName = "ScreenConnect Client (507a8b767de55738)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-507a8b767de55738	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\Version = "419561476"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-507a8b767de55738\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\540C986F628832C2BB9FFBF64EFB5F98	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\PackageCode = "540C986F628832C2BB9FFBF64EFB5F98"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\SourceList\Net	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\SourceList\Media\1 = ";"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-507a8b767de55738\shell	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\ProductIcon = "C:\\Windows\\Installer\\{F689C045-8826-2C23-BBF9-BF6FE4BFF589}\\DefaultIcon"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\340165576DADC60905A7B867D75E7583	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-507a8b767de55738	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\AuthorizedLUAApp = "0"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\540C986F628832C2BB9FFBF64EFB5F98\DeploymentFlags = "3"	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
6136	msiexec.exe
6136	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	2724	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2724	msiexec.exe
Token: SeSecurityPrivilege	6136	msiexec.exe
Token: SeCreateTokenPrivilege	2724	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2724	msiexec.exe
Token: SeLockMemoryPrivilege	2724	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2724	msiexec.exe
Token: SeMachineAccountPrivilege	2724	msiexec.exe
Token: SeTcbPrivilege	2724	msiexec.exe
Token: SeSecurityPrivilege	2724	msiexec.exe
Token: SeTakeOwnershipPrivilege	2724	msiexec.exe
Token: SeLoadDriverPrivilege	2724	msiexec.exe
Token: SeSystemProfilePrivilege	2724	msiexec.exe
Token: SeSystemtimePrivilege	2724	msiexec.exe
Token: SeProfSingleProcessPrivilege	2724	msiexec.exe
Token: SeIncBasePriorityPrivilege	2724	msiexec.exe
Token: SeCreatePagefilePrivilege	2724	msiexec.exe
Token: SeCreatePermanentPrivilege	2724	msiexec.exe
Token: SeBackupPrivilege	2724	msiexec.exe
Token: SeRestorePrivilege	2724	msiexec.exe
Token: SeShutdownPrivilege	2724	msiexec.exe
Token: SeDebugPrivilege	2724	msiexec.exe
Token: SeAuditPrivilege	2724	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2724	msiexec.exe
Token: SeChangeNotifyPrivilege	2724	msiexec.exe
Token: SeRemoteShutdownPrivilege	2724	msiexec.exe
Token: SeUndockPrivilege	2724	msiexec.exe
Token: SeSyncAgentPrivilege	2724	msiexec.exe
Token: SeEnableDelegationPrivilege	2724	msiexec.exe
Token: SeManageVolumePrivilege	2724	msiexec.exe
Token: SeImpersonatePrivilege	2724	msiexec.exe
Token: SeCreateGlobalPrivilege	2724	msiexec.exe
Token: SeCreateTokenPrivilege	2724	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2724	msiexec.exe
Token: SeLockMemoryPrivilege	2724	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2724	msiexec.exe
Token: SeMachineAccountPrivilege	2724	msiexec.exe
Token: SeTcbPrivilege	2724	msiexec.exe
Token: SeSecurityPrivilege	2724	msiexec.exe
Token: SeTakeOwnershipPrivilege	2724	msiexec.exe
Token: SeLoadDriverPrivilege	2724	msiexec.exe
Token: SeSystemProfilePrivilege	2724	msiexec.exe
Token: SeSystemtimePrivilege	2724	msiexec.exe
Token: SeProfSingleProcessPrivilege	2724	msiexec.exe
Token: SeIncBasePriorityPrivilege	2724	msiexec.exe
Token: SeCreatePagefilePrivilege	2724	msiexec.exe
Token: SeCreatePermanentPrivilege	2724	msiexec.exe
Token: SeBackupPrivilege	2724	msiexec.exe
Token: SeRestorePrivilege	2724	msiexec.exe
Token: SeShutdownPrivilege	2724	msiexec.exe
Token: SeDebugPrivilege	2724	msiexec.exe
Token: SeAuditPrivilege	2724	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2724	msiexec.exe
Token: SeChangeNotifyPrivilege	2724	msiexec.exe
Token: SeRemoteShutdownPrivilege	2724	msiexec.exe
Token: SeUndockPrivilege	2724	msiexec.exe
Token: SeSyncAgentPrivilege	2724	msiexec.exe
Token: SeEnableDelegationPrivilege	2724	msiexec.exe
Token: SeManageVolumePrivilege	2724	msiexec.exe
Token: SeImpersonatePrivilege	2724	msiexec.exe
Token: SeCreateGlobalPrivilege	2724	msiexec.exe
Token: SeCreateTokenPrivilege	2724	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2724	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2724	msiexec.exe
2724	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2724	msiexec.exe
6136	msiexec.exe
5044	MsiExec.exe
4644	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2724	2776	ScreenConnect.ClientSetup.exe	90
PID 6136 wrote to memory of 5044	6136	msiexec.exe	92
PID 5044 wrote to memory of 3980	5044	MsiExec.exe	93
PID 6136 wrote to memory of 4584	6136	msiexec.exe	98
PID 6136 wrote to memory of 4644	6136	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:2776
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\507a8b767de55738\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:2724

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:6136
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding D6BEE07CCDEB92C25FE17328C8C211DC 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\MSI7FD9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240681015 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3980
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4584
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 2A02357949DD7AEE4CB160D2CCFDB2E4
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4644

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:7000

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

e58b6e8.rbs

Path C:\Config.Msi\e58b6e8.rbs
Size 10KB
SHA256 81bf8efd503827d2a86f4e2c62858ebbd50d48686b2cb4086ee3209c96f18ad6
MD5 9a75f28472aa35f2251217e7641506a6
SHA1 19b8ecf402085606c6bd071d8151cc33b2d1f623
SHA512 5062b60e194d36872fd5ea0a3c9c1e61bbd0a0adc6bf26e76a58a0600d8d3bbc4829854719b7f867e65036d5c46397c27ccac4ab76afd85108b623e6d5e0fbff
SSDEEP 192:nLAroJ8CgxOWphI1phAigxnm+i+KCvV48YTpDaoY9aDGwq:nLArWipYpQb
TLSH
T1232222C1F244A1E2F6C62F72CB476A1437B19B98A311320B51CC8179DD623CE5BBD9CA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI7FD9.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI7FD9.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\MSI7FD9.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\MSI7FD9.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\MSI7FD9.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\MSI7FD9.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\507a8b767de55738\ScreenConnect.ClientSetup.msi
Size 13.1MB
SHA256 b4f3ca0846c09684e035b96dcc8c3e9c131051b6dcbd233a72e40ddc3f0f74da
MD5 55d770f0a19a0330d170ce0a205ba73d
SHA1 eefccb01635e498dc4336e3c13b2be39d5a3506a
SHA512 790d042f1c223789a6b45c451509754b3a1ce223ee53935989a43a507d2c6fdd5949a3bb41ec6745121413fa9d184f21d257095ea8e8de0643f915226c0a5e45
SSDEEP 196608:RHxcp9ym3nltDUJVjHxcp9ym3fHxcp9ym3THxcp9ym3xHxcp9ym3KHxcp9ym33Hk:DGplpMGppGp9GpjGpYGphGp
TLSH
T1F6D623616BF89678F0B26B34E8BA90B1A477BD015E22C12E1374791E2C75EC0C963777
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIBAD0.tmp

Path C:\Windows\Installer\MSIBAD0.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 7564b5d6b248e9f6c0208ec2ae56e119bdecee4d2c1f2c32e2aee8e0bc21f37f
MD5 70d2211b72d0e577f5a898d85ee78ea9
SHA1 6acba4fb94f266827594de430abed1ccb9245cec
SHA512 b672243033395775c06367092d799f01e418e802ac31ca96f75404edbd8e11ad8952874928d57875e16e40631f5191527a4729c8e9888c7a32cb80ca7c35da2d
SSDEEP 24576:0Fo3DMP1doO/vvTL/igddSFgPr+X2raeUAbvNQTFLoT6ZKstcYBW9EXc5Oh:sHk
TLSH
T1A357A12436FD2210E7B79E3CA8F06A238D397D5B9C16DE8D45411B4E0861F71E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{dbd963eb-78a4-4828-a4cf-143e022d4ae7}_OnDiskSnapshotProp

Path \??\Volume{25eca179-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{dbd963eb-78a4-4828-a4cf-143e022d4ae7}_OnDiskSnapshotProp
Size 6KB
SHA256 de8a3c6b829e985935ff65917e08cba3b652aed182ddb5459abf7f648d96a6fc
MD5 a3c18f08296ea09b122966092da97186
SHA1 90111751aea8a1e32ba08fb6165e314de4880d46
SHA512 7fe59e5db26278cd0becb1835df26e7f7e58010185098c4ac5751c06fe0a355f06528e6e062648a9898ad7495ddc58a1749dc987c9d618cd448015e8a7b52596
SSDEEP 96:FmFf+Avc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:Adb++uVm
TLSH
T1AAD1871C5AF54711E2B3AB3128F18557A877B811EF33CB8E0198238E2621910F875F6F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2776-7-0x0000000006290000-0x000000000684A000-memory.dmp

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memory/2776-6-0x00000000057D0000-0x000000000597C000-memory.dmp

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memory/2776-13-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/2776-9-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/2776-8-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/2776-1-0x0000000001730000-0x0000000001738000-memory.dmp

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memory/2776-4-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/2776-10-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/2776-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

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memory/2776-2-0x00000000059E0000-0x0000000005CD2000-memory.dmp

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memory/2776-3-0x0000000005740000-0x00000000057CC000-memory.dmp

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memory/2776-5-0x00000000056A0000-0x00000000056C2000-memory.dmp

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memory/3980-36-0x0000000005CA0000-0x0000000005CAA000-memory.dmp

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memory/3980-44-0x0000000005FE0000-0x000000000618C000-memory.dmp

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memory/3980-40-0x0000000005DA0000-0x0000000005E2C000-memory.dmp

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memory/3980-32-0x0000000005C60000-0x0000000005C8E000-memory.dmp

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