5bc030de7422a97f388593040b49a6015421a45b1d1ef4577f2fa4722f9f6dfd

Analysis

max time kernel
148s
max time network
140s
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, 18:14

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.4MB
Sample260817-wvprcswzhy
SHA256 5bc030de7422a97f388593040b49a6015421a45b1d1ef4577f2fa4722f9f6dfd
MD5 4ba06cf877e8573fef6636fc2f17e063
SHA1 2c7e3b443fe07b86892390bed99e7e0ec7d80568
SHA512 1a02bb2087df613d83482fef8b92691c4e38259d52de77293a4bda190ada428c375c4cdfa19294355be08e1ab366a00c745724ee6711b937e10c9fbd1701c27e
SSDEEP 98304:IzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:IhfefPtHxcp9ym3nltDUJV
TLSH
T1D846E101B3D695B6D1BF1638D87A52696734BC049316CBBF5394BD392E32BC04E323A6
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/4924-2-0x0000000005630000-0x0000000005922000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
4116	MsiExec.exe
3196	rundll32.exe
3196	rundll32.exe
3196	rundll32.exe
3196	rundll32.exe
3196	rundll32.exe
3196	rundll32.exe
3196	rundll32.exe
3196	rundll32.exe
3196	rundll32.exe
3720	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)	\??\U:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\L:	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)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsClient.exe.config	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\Installer\SourceHash{DB9C4055-B3C0-E3B2-2186-CD597AC2A2F5}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSID893.tmp	msiexec.exe
File created	C:\Windows\Installer\e59d289.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSID8C3.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DF2B2DDB33A308CDDB.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DF74D09E043A2AA007.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\{DB9C4055-B3C0-E3B2-2186-CD597AC2A2F5}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\SystemTemp\~DF752C86CC780F60C9.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DF6AF034B4BA31B176.TMP	msiexec.exe
File created	C:\Windows\Installer\e59d28b.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e59d289.msi	msiexec.exe
File created	C:\Windows\Installer\{DB9C4055-B3C0-E3B2-2186-CD597AC2A2F5}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	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	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

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 = 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	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-ebb438ef3b5b70e8\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\InstanceType = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\7598D71CE59FEA7DBE4B83FEB3B5078E	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\7598D71CE59FEA7DBE4B83FEB3B5078E\5504C9BD0C3B2B3E1268DC95A72C2A5F	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-ebb438ef3b5b70e8	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\URL Protocol	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\Assignment = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\PackageCode = "5504C9BD0C3B2B3E1268DC95A72C2A5F"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\ebb438ef3b5b70e8\\"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\Language = "1033"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (ebb438ef3b5b70e8)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\ProductName = "ScreenConnect Client (ebb438ef3b5b70e8)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\Version = "419561476"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\SourceList\Media	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5504C9BD0C3B2B3E1268DC95A72C2A5F	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\AdvertiseFlags = "388"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\ProductIcon = "C:\\Windows\\Installer\\{DB9C4055-B3C0-E3B2-2186-CD597AC2A2F5}\\DefaultIcon"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\SourceList\Media\1 = ";"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\ebb438ef3b5b70e8\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5504C9BD0C3B2B3E1268DC95A72C2A5F\Full	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\AuthorizedLUAApp = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5504C9BD0C3B2B3E1268DC95A72C2A5F\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-ebb438ef3b5b70e8\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\shell	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
124	msiexec.exe
124	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4924	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	5608	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5608	msiexec.exe
Token: SeSecurityPrivilege	124	msiexec.exe
Token: SeCreateTokenPrivilege	5608	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5608	msiexec.exe
Token: SeLockMemoryPrivilege	5608	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5608	msiexec.exe
Token: SeMachineAccountPrivilege	5608	msiexec.exe
Token: SeTcbPrivilege	5608	msiexec.exe
Token: SeSecurityPrivilege	5608	msiexec.exe
Token: SeTakeOwnershipPrivilege	5608	msiexec.exe
Token: SeLoadDriverPrivilege	5608	msiexec.exe
Token: SeSystemProfilePrivilege	5608	msiexec.exe
Token: SeSystemtimePrivilege	5608	msiexec.exe
Token: SeProfSingleProcessPrivilege	5608	msiexec.exe
Token: SeIncBasePriorityPrivilege	5608	msiexec.exe
Token: SeCreatePagefilePrivilege	5608	msiexec.exe
Token: SeCreatePermanentPrivilege	5608	msiexec.exe
Token: SeBackupPrivilege	5608	msiexec.exe
Token: SeRestorePrivilege	5608	msiexec.exe
Token: SeShutdownPrivilege	5608	msiexec.exe
Token: SeDebugPrivilege	5608	msiexec.exe
Token: SeAuditPrivilege	5608	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5608	msiexec.exe
Token: SeChangeNotifyPrivilege	5608	msiexec.exe
Token: SeRemoteShutdownPrivilege	5608	msiexec.exe
Token: SeUndockPrivilege	5608	msiexec.exe
Token: SeSyncAgentPrivilege	5608	msiexec.exe
Token: SeEnableDelegationPrivilege	5608	msiexec.exe
Token: SeManageVolumePrivilege	5608	msiexec.exe
Token: SeImpersonatePrivilege	5608	msiexec.exe
Token: SeCreateGlobalPrivilege	5608	msiexec.exe
Token: SeCreateTokenPrivilege	5608	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5608	msiexec.exe
Token: SeLockMemoryPrivilege	5608	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5608	msiexec.exe
Token: SeMachineAccountPrivilege	5608	msiexec.exe
Token: SeTcbPrivilege	5608	msiexec.exe
Token: SeSecurityPrivilege	5608	msiexec.exe
Token: SeTakeOwnershipPrivilege	5608	msiexec.exe
Token: SeLoadDriverPrivilege	5608	msiexec.exe
Token: SeSystemProfilePrivilege	5608	msiexec.exe
Token: SeSystemtimePrivilege	5608	msiexec.exe
Token: SeProfSingleProcessPrivilege	5608	msiexec.exe
Token: SeIncBasePriorityPrivilege	5608	msiexec.exe
Token: SeCreatePagefilePrivilege	5608	msiexec.exe
Token: SeCreatePermanentPrivilege	5608	msiexec.exe
Token: SeBackupPrivilege	5608	msiexec.exe
Token: SeRestorePrivilege	5608	msiexec.exe
Token: SeShutdownPrivilege	5608	msiexec.exe
Token: SeDebugPrivilege	5608	msiexec.exe
Token: SeAuditPrivilege	5608	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5608	msiexec.exe
Token: SeChangeNotifyPrivilege	5608	msiexec.exe
Token: SeRemoteShutdownPrivilege	5608	msiexec.exe
Token: SeUndockPrivilege	5608	msiexec.exe
Token: SeSyncAgentPrivilege	5608	msiexec.exe
Token: SeEnableDelegationPrivilege	5608	msiexec.exe
Token: SeManageVolumePrivilege	5608	msiexec.exe
Token: SeImpersonatePrivilege	5608	msiexec.exe
Token: SeCreateGlobalPrivilege	5608	msiexec.exe
Token: SeCreateTokenPrivilege	5608	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5608	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5608	msiexec.exe
5608	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5608	msiexec.exe
124	msiexec.exe
4116	MsiExec.exe
3720	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 5608	4924	ScreenConnect.ClientSetup.exe	89
PID 124 wrote to memory of 4116	124	msiexec.exe	91
PID 4116 wrote to memory of 3196	4116	MsiExec.exe	92
PID 124 wrote to memory of 1508	124	msiexec.exe	97
PID 124 wrote to memory of 3720	124	msiexec.exe	99

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:4924
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\ebb438ef3b5b70e8\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:5608

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:124
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding E530F4DDB657DFBA51C470B0A4187499 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4116
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI84A7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240747859 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3196
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:1508
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 50F15065FB90F1A5E47A0ED8EC8E1DEA
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3720

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:5632

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

e59d28a.rbs

Path C:\Config.Msi\e59d28a.rbs
Size 10KB
SHA256 2e70390e81a0bf67800e96f43903b0b8a8a28d60a8574d901db69a84bb3569a9
MD5 47491d6c386101ec7aa32fc005340025
SHA1 17c23732bb90f97d9ae55d97b977b8d10d0ca86a
SHA512 2de1b4f4c450ed2b89cf497aee0850fe2e5e7f744ee85ad6fa347ba5b406e3e83471dd839ef428901a91e3ac9b5fea4a7732f176acb561febce977955e8dfaa8
SSDEEP 96:O64pdMZABcGqjrf5aVCjb6br9U6MiCsThq7U6MiC6jfnwbGbi0ThqiHsOgj5bTZC:OjpGZjR8VC0W1hIV1hWXcFbo97phv
TLSH
T16B220C017308D5E0F2965B71DB564A343BB2DFE87312A24B14CD9139CDA6BC9AB3D1CA
MD5 SHA1 SHA512 SSDEEP TLSH

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MSI84A7.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI84A7.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\MSI84A7.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

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ScreenConnect.Core.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI84A7.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\MSI84A7.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\MSI84A7.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\ebb438ef3b5b70e8\ScreenConnect.ClientSetup.msi
Size 12.8MB
SHA256 a6211fd1f6073190390c93fa726287cdce9ba2adf5ad17f36e490e323d34832d
MD5 a58026fe9b6a12f7a912b76cfaa1192d
SHA1 0aca2b4965acf08ba1ee583b4eb953d0e7dc29d3
SHA512 bac83de46ca6f9b42fca9306f774d58055e93bf93e42182c30add69c5cd3bd47832dc0314c5d8ca9f8d2b1499a49ac4e687ab7a82229ccb554b685cc17648c23
SSDEEP 196608:aHxcp9ym3nltDUJVSHxcp9ym33Hxcp9ym3hHxcp9ym3VHxcp9ym3yHxcp9ym3HHr:oGplpNGphGpTGpHGpAGpxGps
TLSH
T12BD623116BF89278F0F22A35E876A0B1A5377D525E22D12E2324791E2C75EC0C9B3777
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSID8C3.tmp

Path C:\Windows\Installer\MSID8C3.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 95fd904f9c4c110575cf68ead7161110ab2a48351f8203e644d87d94ea376ea4
MD5 f72353bed161351c75d25c5415cc79dc
SHA1 77ff8e57953670f029806f353237b38850d9467f
SHA512 5c055511a069bc9d6e1431df1aa2a9ddd76db23f3341489bbb096ec4627be75034e9fddba565d5b1944f1d9210d95874db398468076e1e242931a1874e75e36c
SSDEEP 24576:cFo3DMPQdoO/vvTL/yAsMilQPrOWX7rf0R6e9BCE65iqpLNMMoR2s12NoeC:5H0
TLSH
T1EA57B51436F92100E7F79E3CA8F06A234D397D5BAC19DE8D45511B8E0922F71E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{a8424a42-a83a-4551-8523-573f609693b3}_OnDiskSnapshotProp

Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{a8424a42-a83a-4551-8523-573f609693b3}_OnDiskSnapshotProp
Size 6KB
SHA256 ba35b8ff4da8ea7795eecd07f2d2085f1b102c6560e4447a268939334a0ad3f5
MD5 44be3c0d838a1528f74f2236960ad4e4
SHA1 3bc558bd46933949a62d61aa9b045935cec89a29
SHA512 72d4a97eea33de12bf389837e23d7485b0ed95fab26819e7da6f28a31e448df291c3729d0279c73ec64a21aa927af39b87cb86415bccdc02fb83fc6071901410
SSDEEP 96:FiKW5mYlDvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:k9Vl/b++uVm
TLSH
T12AD1770C5AF54711E2B3AB3229F18557A877B911FF33CB8E0198238E6661910F935F6B
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3196-44-0x00000000063F0000-0x000000000659C000-memory.dmp

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memory/3196-40-0x00000000061B0000-0x000000000623C000-memory.dmp

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memory/3196-36-0x00000000060F0000-0x00000000060FA000-memory.dmp

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memory/3196-32-0x00000000060B0000-0x00000000060DE000-memory.dmp

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memory/4924-6-0x0000000005330000-0x00000000054DC000-memory.dmp

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memory/4924-12-0x0000000074240000-0x00000000749FC000-memory.dmp

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memory/4924-10-0x0000000074240000-0x00000000749FC000-memory.dmp

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memory/4924-9-0x0000000074240000-0x00000000749FC000-memory.dmp

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memory/4924-8-0x0000000005EE0000-0x000000000649A000-memory.dmp

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memory/4924-7-0x0000000074240000-0x00000000749FC000-memory.dmp

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memory/4924-0-0x0000000074252000-0x0000000074253000-memory.dmp

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memory/4924-5-0x0000000001510000-0x0000000001532000-memory.dmp

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memory/4924-4-0x0000000005140000-0x00000000051CC000-memory.dmp

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memory/4924-3-0x0000000074240000-0x00000000749FC000-memory.dmp

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memory/4924-2-0x0000000005630000-0x0000000005922000-memory.dmp

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memory/4924-1-0x0000000000970000-0x0000000000978000-memory.dmp

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