053c7ec4d1bd4f9a0fb40a606c730e20a5e601ef4729f932dc2e22dd7cfe52c9

Analysis

max time kernel
149s
max time network
118s
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-wvb59swdqd
SHA256 053c7ec4d1bd4f9a0fb40a606c730e20a5e601ef4729f932dc2e22dd7cfe52c9
MD5 695eefa05dd351e12d4c1a4349430ce3
SHA1 436f1fd95a07056943d9b6d67dc7bc6df6a16e7e
SHA512 e4f2be3df393b7991dc09b6d5ed05e9d5e3892b4e9d5ecf67f9b5e8e7dd21726a2b05405477ca901dd4b0f0c3362b8ed0bd2335fb7b2be2a77f86d2b7772600e
SSDEEP 98304:AzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:AhfefPtHxcp9ym3nltDUJV
TLSH
T1E946E101B3D695B6D1BF1638D87A52696734BC049316CBBF5394BD392E32BC04E323A6
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/6012-2-0x0000000005D90000-0x0000000006082000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
5876	MsiExec.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe
1436	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)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\N:	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 (1018359750dd3731)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (1018359750dd3731)\ScreenConnect.Client.dll	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\SystemTemp\~DFA356206BF448D51D.TMP	msiexec.exe
File created	C:\Windows\Installer\e5a52a5.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\SystemTemp\~DF5FF943FDEAD616C1.TMP	msiexec.exe
File created	C:\Windows\Installer\{A6E97B44-7D01-0CCA-A885-F6DE82DED513}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Installer\{A6E97B44-7D01-0CCA-A885-F6DE82DED513}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Installer\e5a52a5.msi	msiexec.exe
File created	C:\Windows\SystemTemp\~DFBCF9E880C6BD3CC4.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI597B.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI599C.tmp	msiexec.exe
File created	C:\Windows\Installer\e5a52a7.msi	msiexec.exe
File created	C:\Windows\SystemTemp\~DFF4F96E2FF927752C.TMP	msiexec.exe
File created	C:\Windows\Installer\SourceHash{A6E97B44-7D01-0CCA-A885-F6DE82DED513}	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\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
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

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
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
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\CLASSES\LOCAL SETTINGS\MUICACHE\27\52C64B7E	msiexec.exe

Modifies registry class 32 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-1018359750dd3731\UseOriginalUrlEncoding = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\ProductName = "ScreenConnect Client (1018359750dd3731)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\AuthorizedLUAApp = "0"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-1018359750dd3731\URL Protocol	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\44B79E6A10D7ACC08A586FED28ED5D31\Full	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\Language = "1033"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\ProductIcon = "C:\\Windows\\Installer\\{A6E97B44-7D01-0CCA-A885-F6DE82DED513}\\DefaultIcon"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\0F020F2038A3BBFE0181537905DD7313\44B79E6A10D7ACC08A586FED28ED5D31	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\SourceList\Media\1 = ";"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-1018359750dd3731	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\Assignment = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-1018359750dd3731\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (1018359750dd3731)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\44B79E6A10D7ACC08A586FED28ED5D31	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\1018359750dd3731\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\1018359750dd3731\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-1018359750dd3731	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-1018359750dd3731\shell	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-1018359750dd3731\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\InstanceType = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\SourceList\Media	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-1018359750dd3731\shell\open	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\Version = "419561476"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\SourceList	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-1018359750dd3731\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\PackageCode = "44B79E6A10D7ACC08A586FED28ED5D31"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\0F020F2038A3BBFE0181537905DD7313	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\SourceList\Net	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44B79E6A10D7ACC08A586FED28ED5D31\AdvertiseFlags = "388"	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4784	msiexec.exe
4784	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	6012	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	3524	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3524	msiexec.exe
Token: SeSecurityPrivilege	4784	msiexec.exe
Token: SeCreateTokenPrivilege	3524	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3524	msiexec.exe
Token: SeLockMemoryPrivilege	3524	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3524	msiexec.exe
Token: SeMachineAccountPrivilege	3524	msiexec.exe
Token: SeTcbPrivilege	3524	msiexec.exe
Token: SeSecurityPrivilege	3524	msiexec.exe
Token: SeTakeOwnershipPrivilege	3524	msiexec.exe
Token: SeLoadDriverPrivilege	3524	msiexec.exe
Token: SeSystemProfilePrivilege	3524	msiexec.exe
Token: SeSystemtimePrivilege	3524	msiexec.exe
Token: SeProfSingleProcessPrivilege	3524	msiexec.exe
Token: SeIncBasePriorityPrivilege	3524	msiexec.exe
Token: SeCreatePagefilePrivilege	3524	msiexec.exe
Token: SeCreatePermanentPrivilege	3524	msiexec.exe
Token: SeBackupPrivilege	3524	msiexec.exe
Token: SeRestorePrivilege	3524	msiexec.exe
Token: SeShutdownPrivilege	3524	msiexec.exe
Token: SeDebugPrivilege	3524	msiexec.exe
Token: SeAuditPrivilege	3524	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3524	msiexec.exe
Token: SeChangeNotifyPrivilege	3524	msiexec.exe
Token: SeRemoteShutdownPrivilege	3524	msiexec.exe
Token: SeUndockPrivilege	3524	msiexec.exe
Token: SeSyncAgentPrivilege	3524	msiexec.exe
Token: SeEnableDelegationPrivilege	3524	msiexec.exe
Token: SeManageVolumePrivilege	3524	msiexec.exe
Token: SeImpersonatePrivilege	3524	msiexec.exe
Token: SeCreateGlobalPrivilege	3524	msiexec.exe
Token: SeCreateTokenPrivilege	3524	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3524	msiexec.exe
Token: SeLockMemoryPrivilege	3524	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3524	msiexec.exe
Token: SeMachineAccountPrivilege	3524	msiexec.exe
Token: SeTcbPrivilege	3524	msiexec.exe
Token: SeSecurityPrivilege	3524	msiexec.exe
Token: SeTakeOwnershipPrivilege	3524	msiexec.exe
Token: SeLoadDriverPrivilege	3524	msiexec.exe
Token: SeSystemProfilePrivilege	3524	msiexec.exe
Token: SeSystemtimePrivilege	3524	msiexec.exe
Token: SeProfSingleProcessPrivilege	3524	msiexec.exe
Token: SeIncBasePriorityPrivilege	3524	msiexec.exe
Token: SeCreatePagefilePrivilege	3524	msiexec.exe
Token: SeCreatePermanentPrivilege	3524	msiexec.exe
Token: SeBackupPrivilege	3524	msiexec.exe
Token: SeRestorePrivilege	3524	msiexec.exe
Token: SeShutdownPrivilege	3524	msiexec.exe
Token: SeDebugPrivilege	3524	msiexec.exe
Token: SeAuditPrivilege	3524	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3524	msiexec.exe
Token: SeChangeNotifyPrivilege	3524	msiexec.exe
Token: SeRemoteShutdownPrivilege	3524	msiexec.exe
Token: SeUndockPrivilege	3524	msiexec.exe
Token: SeSyncAgentPrivilege	3524	msiexec.exe
Token: SeEnableDelegationPrivilege	3524	msiexec.exe
Token: SeManageVolumePrivilege	3524	msiexec.exe
Token: SeImpersonatePrivilege	3524	msiexec.exe
Token: SeCreateGlobalPrivilege	3524	msiexec.exe
Token: SeCreateTokenPrivilege	3524	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3524	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3524	msiexec.exe
3524	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3524	msiexec.exe
4784	msiexec.exe
5876	MsiExec.exe
1436	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 6012 wrote to memory of 3524	6012	ScreenConnect.ClientSetup.exe	88
PID 4784 wrote to memory of 5876	4784	msiexec.exe	90
PID 5876 wrote to memory of 2884	5876	MsiExec.exe	91
PID 4784 wrote to memory of 4652	4784	msiexec.exe	97
PID 4784 wrote to memory of 1436	4784	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:6012
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\1018359750dd3731\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:3524

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:4784
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 96E12A3BE9923EBE5C0A7B25EF4CA8A1 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5876
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF776.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240777375 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2884
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4652
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding F1F1E5B10FE39CAF9F650979C26838A9
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1436

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:6092

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

e5a52a6.rbs

Path C:\Config.Msi\e5a52a6.rbs
Size 10KB
SHA256 b39a2cdbdf5f320458371d344d704347390904a5ae15a09449cde66393b4bfd7
MD5 b3b47b4eb383c787579a36d31159cfc2
SHA1 f6ad22d20b311bbfabd76de59411e8f3d5693329
SHA512 0a98b7db19d7b5bca9f9ceb225fd5c220f9b0fbc50cccfb43a32ab6d460854c76bb55e49526b8c8c2e56e26acc8bf6fbc0eadcc78375811a77777458ce45beae
SSDEEP 96:eBuom8AJQGojJfrE/CvYW9U6kiCsThqGU6kiC6jNzdaThqbHfP5eag+WmhwhVCAY:egom8Hr2/CLWdhIEdh12q+WWApq
TLSH
T1EE223D453204A2E2FA972A31D7170A607F71EFB94320224B64CE913C9EA63D95FBC1D6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIF776.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSIF776.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\MSIF776.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\MSIF776.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\MSIF776.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\MSIF776.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\1018359750dd3731\ScreenConnect.ClientSetup.msi
Size 12.8MB
SHA256 8d631879bd6a08e038e94f7a8aee6cfa6eb0a9059bf0488befde1ec3f181e9c3
MD5 7d299ee05db2bee82509d69ebce2def3
SHA1 98ae50fabc690eca53d49f343b33bfaaefc194f7
SHA512 43e24d07fb14ed1c0380f6140816eaf5988791c06f5d1d412437fe038d1ee385d141559cf82137637a1924fa67c65864f4edcbb13baaa72c65cc40263ae0efd6
SSDEEP 196608:JHxcp9ym3nltDUJVHHxcp9ym37Hxcp9ym3GHxcp9ym3MHxcp9ym32Hxcp9ym3pHo:bGplpoGpFGpUGpqGpEGp7GpH
TLSH
T186D623116BF89678F0F22A35E876A0B1A5377C525E22D12E2324791E2C75EC0C9B3777
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI599C.tmp

Path C:\Windows\Installer\MSI599C.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 9a9728a300c06732770382840c9c1259f7de4a979abcb65cfc26b0f699df307c
MD5 571c8f3ff8e460f80e4e18f538616b06
SHA1 99c938c1cd4ca421de305fae7d282f4a700f0011
SHA512 802f433a11e0a10351584d8701bd181849da80f341be1ca424883427054b8278dcff19cf77ad0eb25d0153eebe1791ac61960102b533e69224c39bfc36dd01a2
SSDEEP 24576:UFo3DMPfdoO/vvTL/yAsMilQPrOWX7rf0R6e9BCE65iqpLNMMoR2s12NoeC:mH0
TLSH
T19457B51436F92100E7F79E3CA8F06A234D397D5BAC19DE8D45511B8E0922F71E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{c6942360-1123-4b14-bd41-eb6fd85b03d8}_OnDiskSnapshotProp

Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{c6942360-1123-4b14-bd41-eb6fd85b03d8}_OnDiskSnapshotProp
Size 6KB
SHA256 9f1f6a69397c5693873969605aa0b61a62a64214de6787334cda33901c47d4bf
MD5 1e579f025445d01d2818a5d781b57ac1
SHA1 0e22564ef6a4227826b39cf9e2d029b38ebd4562
SHA512 c81ff143235897ae8e274a25098f8917ca6f1fb2c86aff245e81f0be28ba5e68c282c795f08e813b6846390b659104a1d2addaccb962e19506e9d5bc72f158b1
SSDEEP 96:FuQ81W5mxRlDvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:1LmRl/b++uVm
TLSH
T172D1890C5AE54311E2B3AB3129F14557A837B911FF33CB8E0198238E6661A10F935F6F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2884-44-0x0000000005A70000-0x0000000005C1C000-memory.dmp

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memory/2884-40-0x0000000005830000-0x00000000058BC000-memory.dmp

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memory/2884-36-0x0000000005720000-0x000000000572A000-memory.dmp

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memory/2884-32-0x00000000056E0000-0x000000000570E000-memory.dmp

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memory/6012-6-0x0000000003380000-0x00000000033A2000-memory.dmp

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memory/6012-13-0x0000000075050000-0x000000007580C000-memory.dmp

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memory/6012-10-0x0000000075050000-0x000000007580C000-memory.dmp

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memory/6012-4-0x0000000005970000-0x00000000059FC000-memory.dmp

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memory/6012-8-0x0000000075050000-0x000000007580C000-memory.dmp

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memory/6012-9-0x0000000006640000-0x0000000006BFA000-memory.dmp

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memory/6012-0-0x0000000075062000-0x0000000075063000-memory.dmp

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memory/6012-7-0x0000000005A90000-0x0000000005C3C000-memory.dmp

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memory/6012-5-0x0000000075050000-0x000000007580C000-memory.dmp

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memory/6012-3-0x0000000075050000-0x000000007580C000-memory.dmp

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memory/6012-2-0x0000000005D90000-0x0000000006082000-memory.dmp

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memory/6012-1-0x0000000001A90000-0x0000000001A98000-memory.dmp

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