5a5fcb68bc9955698ede325d9b13cad4d7c3cd78b328373994910ccc99fc0777

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
11/05/2026, 12:13

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.5MB
Sample260511-pdtwescw4l
SHA256 5a5fcb68bc9955698ede325d9b13cad4d7c3cd78b328373994910ccc99fc0777
MD5 1be4e3a94b664da4a470182bbc972ed2
SHA1 a8f515c21827fad3284bf764c969fdfaa152d8dd
SHA512 9361a8c4b1c39f2ef91632972b2febd875f99452457d8a1addaf711cda26a8328493a87a50ed33926c467d78401e3951dda168496acd3476e576dee776e95f95
SSDEEP 49152:1EEL5cx5xTkYJkGYYpT0+TFiH7efP8Q1yJJ4ZD1F5z97oL1YbGQ+okRPGHpRPqM8:6Es6efPNwJ4t1h0cG5FGJRPxow8O
TLSH
T14946E111B3D995B9D47F0638D87B4269AAB4BC048712C7EF5394BD2D2D32BC05E323A6
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
behavioral1/memory/4672-3-0x0000000005AF0000-0x0000000005DE0000-memory.dmp	revoked_cert_connectwise

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000\Control Panel\International\Geo\Nation	ScreenConnect.ClientSetup.exe

Loads dropped DLL 11 IoCs

pid	Process
744	MsiExec.exe
3596	rundll32.exe
3596	rundll32.exe
3596	rundll32.exe
3596	rundll32.exe
3596	rundll32.exe
3596	rundll32.exe
3596	rundll32.exe
3596	rundll32.exe
3596	rundll32.exe
1012	MsiExec.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\R:	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)	\??\O:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	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 (2439ff59bf8ed0fa)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (2439ff59bf8ed0fa)\ScreenConnect.WindowsFileManager.exe	msiexec.exe

Drops file in Windows directory 11 IoCs

description	ioc	Process
File created	C:\Windows\Installer\SourceHash{618F65B4-ED61-73A5-22D8-C968A94AFD26}	msiexec.exe
File created	C:\Windows\Installer\e584989.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e584987.msi	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\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI4A91.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI4AB1.tmp	msiexec.exe
File created	C:\Windows\Installer\{618F65B4-ED61-73A5-22D8-C968A94AFD26}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Installer\{618F65B4-ED61-73A5-22D8-C968A94AFD26}\DefaultIcon	msiexec.exe
File created	C:\Windows\Installer\e584987.msi	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	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

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 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
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

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-2439ff59bf8ed0fa\shell	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\Assignment = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\ProductIcon = "C:\\Windows\\Installer\\{618F65B4-ED61-73A5-22D8-C968A94AFD26}\\DefaultIcon"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\58F229CE1D8110104293FF95FBE80DAF	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\58F229CE1D8110104293FF95FBE80DAF\4B56F81616DE5A37228D9C869AA4DF62	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\InstanceType = "0"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\AuthorizedLUAApp = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-2439ff59bf8ed0fa\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-2439ff59bf8ed0fa	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-2439ff59bf8ed0fa\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\Version = "402849799"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\PackageCode = "4B56F81616DE5A37228D9C869AA4DF62"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-2439ff59bf8ed0fa\URL Protocol	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-2439ff59bf8ed0fa	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-2439ff59bf8ed0fa\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (2439ff59bf8ed0fa)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\4B56F81616DE5A37228D9C869AA4DF62	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\SourceList	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\SourceList\Media\1 = ";"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-2439ff59bf8ed0fa\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\4B56F81616DE5A37228D9C869AA4DF62\Full	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\24.3.7.9067\\2439ff59bf8ed0fa\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\24.3.7.9067\\2439ff59bf8ed0fa\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\4B56F81616DE5A37228D9C869AA4DF62\ProductName = "ScreenConnect Client (2439ff59bf8ed0fa)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-2439ff59bf8ed0fa\UseOriginalUrlEncoding = "1"	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2832	msiexec.exe
2832	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4672	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	5320	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5320	msiexec.exe
Token: SeSecurityPrivilege	2832	msiexec.exe
Token: SeCreateTokenPrivilege	5320	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5320	msiexec.exe
Token: SeLockMemoryPrivilege	5320	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5320	msiexec.exe
Token: SeMachineAccountPrivilege	5320	msiexec.exe
Token: SeTcbPrivilege	5320	msiexec.exe
Token: SeSecurityPrivilege	5320	msiexec.exe
Token: SeTakeOwnershipPrivilege	5320	msiexec.exe
Token: SeLoadDriverPrivilege	5320	msiexec.exe
Token: SeSystemProfilePrivilege	5320	msiexec.exe
Token: SeSystemtimePrivilege	5320	msiexec.exe
Token: SeProfSingleProcessPrivilege	5320	msiexec.exe
Token: SeIncBasePriorityPrivilege	5320	msiexec.exe
Token: SeCreatePagefilePrivilege	5320	msiexec.exe
Token: SeCreatePermanentPrivilege	5320	msiexec.exe
Token: SeBackupPrivilege	5320	msiexec.exe
Token: SeRestorePrivilege	5320	msiexec.exe
Token: SeShutdownPrivilege	5320	msiexec.exe
Token: SeDebugPrivilege	5320	msiexec.exe
Token: SeAuditPrivilege	5320	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5320	msiexec.exe
Token: SeChangeNotifyPrivilege	5320	msiexec.exe
Token: SeRemoteShutdownPrivilege	5320	msiexec.exe
Token: SeUndockPrivilege	5320	msiexec.exe
Token: SeSyncAgentPrivilege	5320	msiexec.exe
Token: SeEnableDelegationPrivilege	5320	msiexec.exe
Token: SeManageVolumePrivilege	5320	msiexec.exe
Token: SeImpersonatePrivilege	5320	msiexec.exe
Token: SeCreateGlobalPrivilege	5320	msiexec.exe
Token: SeCreateTokenPrivilege	5320	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5320	msiexec.exe
Token: SeLockMemoryPrivilege	5320	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5320	msiexec.exe
Token: SeMachineAccountPrivilege	5320	msiexec.exe
Token: SeTcbPrivilege	5320	msiexec.exe
Token: SeSecurityPrivilege	5320	msiexec.exe
Token: SeTakeOwnershipPrivilege	5320	msiexec.exe
Token: SeLoadDriverPrivilege	5320	msiexec.exe
Token: SeSystemProfilePrivilege	5320	msiexec.exe
Token: SeSystemtimePrivilege	5320	msiexec.exe
Token: SeProfSingleProcessPrivilege	5320	msiexec.exe
Token: SeIncBasePriorityPrivilege	5320	msiexec.exe
Token: SeCreatePagefilePrivilege	5320	msiexec.exe
Token: SeCreatePermanentPrivilege	5320	msiexec.exe
Token: SeBackupPrivilege	5320	msiexec.exe
Token: SeRestorePrivilege	5320	msiexec.exe
Token: SeShutdownPrivilege	5320	msiexec.exe
Token: SeDebugPrivilege	5320	msiexec.exe
Token: SeAuditPrivilege	5320	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5320	msiexec.exe
Token: SeChangeNotifyPrivilege	5320	msiexec.exe
Token: SeRemoteShutdownPrivilege	5320	msiexec.exe
Token: SeUndockPrivilege	5320	msiexec.exe
Token: SeSyncAgentPrivilege	5320	msiexec.exe
Token: SeEnableDelegationPrivilege	5320	msiexec.exe
Token: SeManageVolumePrivilege	5320	msiexec.exe
Token: SeImpersonatePrivilege	5320	msiexec.exe
Token: SeCreateGlobalPrivilege	5320	msiexec.exe
Token: SeCreateTokenPrivilege	5320	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5320	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5320	msiexec.exe
5320	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 5320	4672	ScreenConnect.ClientSetup.exe	85
PID 2832 wrote to memory of 744	2832	msiexec.exe	88
PID 744 wrote to memory of 3596	744	MsiExec.exe	89
PID 2832 wrote to memory of 4332	2832	msiexec.exe	97
PID 2832 wrote to memory of 1012	2832	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⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\2439ff59bf8ed0fa\ScreenConnect.ClientSetup.msi"
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:5320

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 WriteProcessMemory
PID:2832
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 5EF339513EAB142D5EF1C0247E39C4C9 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:744
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1940.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240654734 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3596
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4332
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 1726ED7A08130337B963BF06600EC5E1
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1012

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:2676

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

e584988.rbs

Path C:\Config.Msi\e584988.rbs
Size 10KB
SHA256 d8671087ccf5863f924bf10606c3539a7a1b1264fe9532065a79d2f4b36aaaf1
MD5 5dd872b722323919585b63736231cd1b
SHA1 77cc619d23078bd7a4ab8b1d5a5df8e39c9119c2
SHA512 c05c6cbd25e2f10b898a12d06d03c1d369920ecb8f3fd1929de8dc75ea196f79a6b7dc2c30b4d4f88e0df5d3d10dcf66039cd21735cf34f210dfd88170ad5d40
SSDEEP 96:nCVCWK/CN6GVjaHazHey5fmUJ9MHCsThqSUJ9MHC6jniGnpThqsHGO5PQz09adCd:nsK/hWVHewZDMiI8DMiW7qWgpy
TLSH
T192221212BA01A1E1F5A36F76D3031A143F72A9E4E754225F4ACC90788DA27CD5B7D3CA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI1940.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI1940.tmp
Size 1.0MB
SHA256 0918d8ab2237368a5cec8ce99261fb07a1a1beeda20464c0f91af0fe3349636b
MD5 8a8767f589ea2f2c7496b63d8ccc2552
SHA1 cc5de8dd18e7117d8f2520a51edb1d165cae64b0
SHA512 518231213ca955acdf37b4501fde9c5b15806d4fc166950eb8706e8d3943947cf85324faee806d7df828485597eceffcfa05ca1a5d8ab1bd51ed12df963a1fe4
SSDEEP 24576:QUUGGHn+rUGemcPe9MpKL4Plb2sZWV+tLv0QYu5OPthT+gd:jGHpRPqMpvlqs0O4iO2k
TLSH
T18C35231873E9C436F5E679385E32A1D205FCBE764E70904E6B99292C0DB0F82D6B4763
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Microsoft.Deployment.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI1940.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\MSI1940.tmp-\ScreenConnect.Core.dll
Size 536KB
SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
MD5 14e7489ffebbb5a2ea500f796d881ad9
SHA1 0323ee0e1faa4aa0e33fb6c6147290aa71637ebd
SHA512 2110113240b7d803d8271139e0a2439dbc86ae8719ecd8b132bbda2520f22dc3f169598c8e966ac9c0a40e617219cb8fe8aac674904f6a1ae92d4ac1e20627cd
SSDEEP 12288:xC2YKhQCNc6kVTplfWL/YTHUYCBdySISYz:HhE6O7WL/EC
TLSH
T12BC47D2233AC9A2EC56E133BB072915DC5F0E906351AF79F76C5E5BC2EC27450E112EA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.InstallerActions.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI1940.tmp-\ScreenConnect.InstallerActions.dll
Size 11KB
SHA256 d727a640723d192aa3ece213a173381682041cb28d8bd71781524dbae3ddbf62
MD5 73a24164d8408254b77f3a2c57a22ab4
SHA1 ea0215721f66a93d67019d11c4e588a547cc2ad6
SHA512 650d4320d9246aaecd596ac8b540bf7612ec7a8f60ecaa6e9c27b547b751386222ab926d0c915698d0bb20556475da507895981c072852804f0b42fdda02b844
SSDEEP 192:V8/Qp6lCJuV3jHXtyVNamVNG1YZfCrMmbfHJ7kjvLjbuLd9NEFbM64:y/cBJaLXt2NaheUrMmb/FkjvLjbuZj64
TLSH
T1F932E70077DC533AE8BE1F78EEB361910A71FB64A011DF2E18CCA1569C367449EA07A3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.Windows.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI1940.tmp-\ScreenConnect.Windows.dll
Size 1.6MB
SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
MD5 9ad3964ba3ad24c42c567e47f88c82b2
SHA1 6b4b581fc4e3ecb91b24ec601daa0594106bcc5d
SHA512 ce557a89c0fe6de59046116c1e262a36bbc3d561a91e44dcda022bef72cb75742c8b01bedcc5b9b999e07d8de1f94c665dd85d277e981b27b6bfebeaf9e58097
SSDEEP 24576:dx5xeYkYFj+Ifz3zvnXj/zXzvAAkGz8mvgtX79S+2bfh+RfmT01krTFiH4SqfKPo:dx5xTkYJkGYYpT0+TFiH7efP
TLSH
T1DC85BD41E2C365F5D46B047888BF572ABA743C080315CAFB97D4AE396D33BC09A36756
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.ClientSetup.msi

Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\2439ff59bf8ed0fa\ScreenConnect.ClientSetup.msi
Size 13.1MB
SHA256 7ddf9ea16c79d3706a3bd6941d7e5214681594a00cf5db98b99dd15b9545373a
MD5 7bbe59b2cf8184f654ab1b19ba625897
SHA1 b837e5b435f6c0932c961ad3ace8732390c88377
SHA512 3673289007f6681dc1890ed02e1d42d19598cc901759149b3c741a4dce73730726e8b10d6de19eec6c36e76b8ec33b91f06a48b6a86a135c18d10a2f2601ee68
SSDEEP 196608:dWh0cGwyWh0cGzWh0cG7Wh0cGUWh0cGHWh0cGgWh0cG:dWac8WacGWacgWac7Wac+Wac7Wac
TLSH
T1F4D6231523FC445AE8B75B38ED7743A87E72BE64CE21C11E5228791C2D34E809A727B7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI4AB1.tmp

Path C:\Windows\Installer\MSI4AB1.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 24.1MB
SHA256 d827e7bce8ab8a0b9cb54a329b1a54a2805214350da94930f1328149332e233d
MD5 995f1c29c2cb0088f4700374aa177fd6
SHA1 2c9308c86d728b8def5eb13eeb59eb68c5e7b337
SHA512 923652cd2e2019bb9cb847e16477db3a8f3fd5082911dc24855846eb686cc0b87c3672acaee2582da91d474d304ab0c9cbfb4b594f2cbfd05693f377463b9d6a
SSDEEP 24576:5u8m+1zGdoO/vvTLb23+SmKDmeEjfVXSLB2tlYG1vkaG+wOq4flu/BMBy:c
TLSH
T1DB47A52436F92100E7F79F3CA8F06A63893D7D579C15DE8D45411B8E0922BB1E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{73dd5653-618c-45d8-a218-5b4ebde63ba6}_OnDiskSnapshotProp

Path \??\Volume{568a4ae8-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{73dd5653-618c-45d8-a218-5b4ebde63ba6}_OnDiskSnapshotProp
Size 6KB
SHA256 0f4bc881b7f4f0252e7d610c7e4470fe417da65a1874e56703bfae4474b0caca
MD5 3a4ba09c9e64346261be1222b196e19d
SHA1 c7c934a438b8da69d8e2f520b46eef54d3ebccd8
SHA512 d63790233a8df60cbf3299163ec1b421a1fdc7938c0a74d9c44b7ba013a3a41941daec769e70a634e0cf6b6ac12f984e3628497dbe07082488463ce67be76e57
SSDEEP 96:FithkhFlvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:WMb++ZVm
TLSH
T188D189085AE54311E2B3AB7128F14557A877B811EF33CB8E0298638E2671A11F835F6F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3596-35-0x0000000005610000-0x000000000561A000-memory.dmp

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memory/3596-39-0x00000000056E0000-0x000000000576C000-memory.dmp

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memory/3596-31-0x0000000005620000-0x000000000564E000-memory.dmp

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memory/3596-43-0x0000000005920000-0x0000000005ACA000-memory.dmp

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memory/4672-6-0x0000000005820000-0x00000000059CA000-memory.dmp

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memory/4672-8-0x00000000057E0000-0x00000000057F0000-memory.dmp

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memory/4672-7-0x0000000006390000-0x0000000006934000-memory.dmp

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memory/4672-11-0x0000000001710000-0x00000000017EC000-memory.dmp

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memory/4672-0-0x00000000057E0000-0x00000000057F0000-memory.dmp

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memory/4672-5-0x0000000005800000-0x0000000005822000-memory.dmp

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memory/4672-4-0x0000000005750000-0x00000000057DC000-memory.dmp

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memory/4672-3-0x0000000005AF0000-0x0000000005DE0000-memory.dmp

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memory/4672-2-0x00000000057E0000-0x00000000057F0000-memory.dmp

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memory/4672-1-0x0000000003180000-0x0000000003188000-memory.dmp

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