1d734773c59044a6502d893b3732c1083d18ebf3301a1de8ca3e75ec2d3beeb8

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
17/08/2026, 15:11

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.4MB
Sample260817-skmbpscb22
SHA256 1d734773c59044a6502d893b3732c1083d18ebf3301a1de8ca3e75ec2d3beeb8
MD5 8e26095885e7f08e3938b35cc91923fb
SHA1 0c39434a50d6901c47e3ca029ea178fa60f97047
SHA512 f59298e1764271edbd178fe2150c96aae05fe8697f372df2336dc36b16789ad8fc8c715fcebb33187905c9c858f1fcec335ad34d902a79ec9814fee5d679821f
SSDEEP 98304:ZzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:ZhfefPtHxcp9ym3nltDUJV
TLSH
T15746E101B3D296B5D0BF0678D87B46656B35BD048351CBAF5394B93E2E32BC04E3636A
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/5268-2-0x00000000053B0000-0x00000000056A2000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
1616	MsiExec.exe
5044	rundll32.exe
5044	rundll32.exe
5044	rundll32.exe
5044	rundll32.exe
5044	rundll32.exe
5044	rundll32.exe
5044	rundll32.exe
5044	rundll32.exe
5044	rundll32.exe
5804	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)	\??\D:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Y:	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)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\X:	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)	\??\V:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (21623201981ef7cd)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIC181.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIC1C1.tmp	msiexec.exe
File created	C:\Windows\Installer\{2C2A9089-0D53-463E-6CD3-42AF93708788}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Installer\{2C2A9089-0D53-463E-6CD3-42AF93708788}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF88303C0908C187A9.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\SourceHash{2C2A9089-0D53-463E-6CD3-42AF93708788}	msiexec.exe
File created	C:\Windows\SystemTemp\~DFA0A5C6C79010E9BB.TMP	msiexec.exe
File created	C:\Windows\Installer\e59bb88.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e59bb86.msi	msiexec.exe
File created	C:\Windows\Installer\e59bb86.msi	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File created	C:\Windows\SystemTemp\~DF93FFEAE9B3DC5016.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DFCDF67450075C4CEE.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	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ScreenConnect.ClientSetup.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 = 0000000004000000392849c4232396370000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c0120000000000000000000000002701010000883801392849c40000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e84101392849c4000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e3392849c400000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e6392849c400000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\CLASSES\LOCAL SETTINGS\MUICACHE\27\52C64B7E	msiexec.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28	msiexec.exe

Modifies registry class 32 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\9809A2C235D0E364C63D24FA39077888\Full	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\AdvertiseFlags = "388"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\3950C4E3DD930B021226231089E17FDC	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\SourceList\Media\1 = ";"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-21623201981ef7cd\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (21623201981ef7cd)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\9809A2C235D0E364C63D24FA39077888	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-21623201981ef7cd\URL Protocol	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-21623201981ef7cd	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-21623201981ef7cd\shell	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\PackageCode = "9809A2C235D0E364C63D24FA39077888"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\SourceList\Net	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\21623201981ef7cd\\"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-21623201981ef7cd\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-21623201981ef7cd\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\Assignment = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\21623201981ef7cd\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-21623201981ef7cd\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\ProductName = "ScreenConnect Client (21623201981ef7cd)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\Version = "419561476"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\ProductIcon = "C:\\Windows\\Installer\\{2C2A9089-0D53-463E-6CD3-42AF93708788}\\DefaultIcon"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-21623201981ef7cd\shell\open	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\3950C4E3DD930B021226231089E17FDC\9809A2C235D0E364C63D24FA39077888	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-21623201981ef7cd	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\9809A2C235D0E364C63D24FA39077888\SourceList\Media	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4868	msiexec.exe
4868	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5268	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	4452	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4452	msiexec.exe
Token: SeSecurityPrivilege	4868	msiexec.exe
Token: SeCreateTokenPrivilege	4452	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4452	msiexec.exe
Token: SeLockMemoryPrivilege	4452	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4452	msiexec.exe
Token: SeMachineAccountPrivilege	4452	msiexec.exe
Token: SeTcbPrivilege	4452	msiexec.exe
Token: SeSecurityPrivilege	4452	msiexec.exe
Token: SeTakeOwnershipPrivilege	4452	msiexec.exe
Token: SeLoadDriverPrivilege	4452	msiexec.exe
Token: SeSystemProfilePrivilege	4452	msiexec.exe
Token: SeSystemtimePrivilege	4452	msiexec.exe
Token: SeProfSingleProcessPrivilege	4452	msiexec.exe
Token: SeIncBasePriorityPrivilege	4452	msiexec.exe
Token: SeCreatePagefilePrivilege	4452	msiexec.exe
Token: SeCreatePermanentPrivilege	4452	msiexec.exe
Token: SeBackupPrivilege	4452	msiexec.exe
Token: SeRestorePrivilege	4452	msiexec.exe
Token: SeShutdownPrivilege	4452	msiexec.exe
Token: SeDebugPrivilege	4452	msiexec.exe
Token: SeAuditPrivilege	4452	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4452	msiexec.exe
Token: SeChangeNotifyPrivilege	4452	msiexec.exe
Token: SeRemoteShutdownPrivilege	4452	msiexec.exe
Token: SeUndockPrivilege	4452	msiexec.exe
Token: SeSyncAgentPrivilege	4452	msiexec.exe
Token: SeEnableDelegationPrivilege	4452	msiexec.exe
Token: SeManageVolumePrivilege	4452	msiexec.exe
Token: SeImpersonatePrivilege	4452	msiexec.exe
Token: SeCreateGlobalPrivilege	4452	msiexec.exe
Token: SeCreateTokenPrivilege	4452	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4452	msiexec.exe
Token: SeLockMemoryPrivilege	4452	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4452	msiexec.exe
Token: SeMachineAccountPrivilege	4452	msiexec.exe
Token: SeTcbPrivilege	4452	msiexec.exe
Token: SeSecurityPrivilege	4452	msiexec.exe
Token: SeTakeOwnershipPrivilege	4452	msiexec.exe
Token: SeLoadDriverPrivilege	4452	msiexec.exe
Token: SeSystemProfilePrivilege	4452	msiexec.exe
Token: SeSystemtimePrivilege	4452	msiexec.exe
Token: SeProfSingleProcessPrivilege	4452	msiexec.exe
Token: SeIncBasePriorityPrivilege	4452	msiexec.exe
Token: SeCreatePagefilePrivilege	4452	msiexec.exe
Token: SeCreatePermanentPrivilege	4452	msiexec.exe
Token: SeBackupPrivilege	4452	msiexec.exe
Token: SeRestorePrivilege	4452	msiexec.exe
Token: SeShutdownPrivilege	4452	msiexec.exe
Token: SeDebugPrivilege	4452	msiexec.exe
Token: SeAuditPrivilege	4452	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4452	msiexec.exe
Token: SeChangeNotifyPrivilege	4452	msiexec.exe
Token: SeRemoteShutdownPrivilege	4452	msiexec.exe
Token: SeUndockPrivilege	4452	msiexec.exe
Token: SeSyncAgentPrivilege	4452	msiexec.exe
Token: SeEnableDelegationPrivilege	4452	msiexec.exe
Token: SeManageVolumePrivilege	4452	msiexec.exe
Token: SeImpersonatePrivilege	4452	msiexec.exe
Token: SeCreateGlobalPrivilege	4452	msiexec.exe
Token: SeCreateTokenPrivilege	4452	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4452	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4452	msiexec.exe
4452	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4452	msiexec.exe
4868	msiexec.exe
1616	MsiExec.exe
5804	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5268 wrote to memory of 4452	5268	ScreenConnect.ClientSetup.exe	90
PID 4868 wrote to memory of 1616	4868	msiexec.exe	92
PID 1616 wrote to memory of 5044	1616	MsiExec.exe	93
PID 4868 wrote to memory of 1944	4868	msiexec.exe	98
PID 4868 wrote to memory of 5804	4868	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:5268
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\21623201981ef7cd\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:4452

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:4868
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding B1016AC7868C16C38844F341FEEC727C C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI647D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240739609 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:5044
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:1944
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 3C1EAC2856662CED1611CB23AAD8CA5B
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5804

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:600

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

e59bb87.rbs

Path C:\Config.Msi\e59bb87.rbs
Size 10KB
SHA256 8b5ec9b39dd562653d9c352ee62fc72b92ec149ac8009f9a01153476eeab7d47
MD5 f3cfe2a8a9c4104741d121dbb2766476
SHA1 953cb34a54151c2005e22ef0bb443a16d370ec20
SHA512 315623f8fc9cdb2e2af37cd895f1e02dd6049adb82965bd092282ebb8165ab722e980ab3c876f7f8934933428b76d52485e81a16284351e14d0e2d396dd951ac
SSDEEP 96:URCb5pXiA7iGzjYfkxMC7YF9U6oiCsThqzU6oiC6jv8gnThqKHSk5dMS/xNqbsVH:UYHXiXshMC0WlhItlhEXsS/xOzpU
TLSH
T1D422ED05BB60A5F0E5832B32C7025A647B72EEF4A314270F84CD993C5D9679A4B7C2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI647D.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI647D.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\MSI647D.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\MSI647D.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\MSI647D.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\MSI647D.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\21623201981ef7cd\ScreenConnect.ClientSetup.msi
Size 12.9MB
SHA256 5cde1f28dfdac7f9d33063af2287bee5230be44cad40c2d8f1d203dcf9d60d32
MD5 5d228c91edc430baea882e66f03c2f4b
SHA1 29db7847f96a0ee114bbb91621310dc71912d318
SHA512 d209f66d164c406a9d6453bc69fdf5fb72ea2e788ecabd12c19bdf6350075dce6a0bab048a7e6564db030a80b4042195bff4bd64471f2d4fc20ceee1b945cecb
SSDEEP 196608:2Hxcp9ym3nltDUJVMHxcp9ym37Hxcp9ym3kHxcp9ym3rHxcp9ym3sHxcp9ym3oHM:EGplp/GpFGpCGp1GpKGp2GpH
TLSH
T140D622106BF8D364E0B21AB59C7758609F377E1D59E2812E2227750F2C71BA089A773F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIC1C1.tmp

Path C:\Windows\Installer\MSIC1C1.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 3de04d59f1ee93dc64c4033a46c32288b27ac53fd7d93e4425b15377d27e194f
MD5 0874bf661c1db2caa56f8369c1013c84
SHA1 10a8c5dae26e5ae3a93a9f2ac5c5c69a5bd4b822
SHA512 02016fc787e3bbe2786e599a7d2675e9302baece962cd15d514e6d1f7f4fba7369b2b557aec316703e19bd2de05035a6cc6f7d9a380b4941978532f22ed65ed6
SSDEEP 24576:EFo3DMPLdoO/vvTL/yAQQiVQfL+a77XDkNmSdNe4mlea53hg8YxWA5KRE+e:qHM
TLSH
T1F757E42436F92111E7F79E3CA8F06A274D397D979C19DE8D05811B4E0822F71E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{ae5c8445-ba18-4c17-b8d4-6ff250051737}_OnDiskSnapshotProp

Path \??\Volume{c4492839-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{ae5c8445-ba18-4c17-b8d4-6ff250051737}_OnDiskSnapshotProp
Size 6KB
SHA256 635d67d99c9fee12f11e7af1febe9e37f4f14f2cd3be1e3f4852ba03ddd6a456
MD5 25fdb2ad1fdfb79a8fec85b0949bc196
SHA1 4cc81fd900dd77b40c14e972d04b2913c2004895
SHA512 8e511f2dcdf3a9e1afd6dceeb369c01d3825e2fd4eedc7ec26f3c9a7810fc51f50857e8bc2d9076aac135ca3d42a16122636a1d28412f544dd49720c3bed6a0e
SSDEEP 96:FHy+kczvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:c+Vb++uVm
TLSH
T180D1871C4AE54311E2B3AB7129F18557A877B911EF33CB8E0198238E6631A10F935F6F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5044-44-0x0000000005D20000-0x0000000005ECC000-memory.dmp

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memory/5044-36-0x00000000039C0000-0x00000000039CA000-memory.dmp

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memory/5044-40-0x0000000005AE0000-0x0000000005B6C000-memory.dmp

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memory/5044-32-0x0000000003980000-0x00000000039AE000-memory.dmp

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memory/5268-7-0x0000000005C60000-0x000000000621A000-memory.dmp

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memory/5268-13-0x0000000074540000-0x0000000074CFC000-memory.dmp

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memory/5268-10-0x0000000074540000-0x0000000074CFC000-memory.dmp

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memory/5268-9-0x0000000074540000-0x0000000074CFC000-memory.dmp

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memory/5268-8-0x0000000074540000-0x0000000074CFC000-memory.dmp

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memory/5268-6-0x0000000074540000-0x0000000074CFC000-memory.dmp

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memory/5268-0-0x0000000074552000-0x0000000074553000-memory.dmp

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memory/5268-5-0x0000000005140000-0x00000000052EC000-memory.dmp

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memory/5268-4-0x0000000002C10000-0x0000000002C32000-memory.dmp

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memory/5268-3-0x00000000050B0000-0x000000000513C000-memory.dmp

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memory/5268-2-0x00000000053B0000-0x00000000056A2000-memory.dmp

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memory/5268-1-0x0000000001180000-0x0000000001188000-memory.dmp

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