59da31d01c8983dc3f054d29d94f792fac8c4facf5d1b0c88b941f0c14876357

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
19/06/2026, 14:19

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.4MB
Sample260619-rmybbagx2p
SHA256 59da31d01c8983dc3f054d29d94f792fac8c4facf5d1b0c88b941f0c14876357
MD5 8d62871b6992b7ce81910dcb268507ad
SHA1 2739c4ec9c058a73f18ad7dc25626008fbafcf0f
SHA512 486eef779147c6c6d6f000282b6c7d70d8f6b98f903fe711210b5ae50dc5dd5754f644c731b0a6c06aeb4ba1e427a5b9f3114769d3e7aabca2da4a6f162d0e21
SSDEEP 98304:4z3us6efPcIdoaxcp8wy5c3trGflkQ5DUOgJ9zll:4CfefPlHxcp9ym3WltDUJVb
TLSH
T17F46E101B3D695B6D1BF1638D87A52656734BC049712CBBF5394BD392E32BC08E323A6
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/2724-3-0x0000000005DA0000-0x0000000006092000-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-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation	ScreenConnect.ClientSetup.exe

Loads dropped DLL 11 IoCs

pid	Process
3256	MsiExec.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
116	rundll32.exe
4268	MsiExec.exe

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
5	4352	msiexec.exe
16	4352	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)	\??\H:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\M:	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)	\??\O:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\H:	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)	\??\U:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d470575d16e0878c)\system.config	msiexec.exe

Drops file in Windows directory 11 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e587879.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\{661A9633-CF00-E459-1647-DB2CD9BE1902}\DefaultIcon	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\Installer\SourceHash{661A9633-CF00-E459-1647-DB2CD9BE1902}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI79A0.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI79C0.tmp	msiexec.exe
File created	C:\Windows\Installer\{661A9633-CF00-E459-1647-DB2CD9BE1902}\DefaultIcon	msiexec.exe
File created	C:\Windows\Installer\e587877.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e587877.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	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
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 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
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27	msiexec.exe

Modifies registry class 32 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d470575d16e0878c\shell	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d470575d16e0878c\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (d470575d16e0878c)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-d470575d16e0878c\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d470575d16e0878c\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\Assignment = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\ProductIcon = "C:\\Windows\\Installer\\{661A9633-CF00-E459-1647-DB2CD9BE1902}\\DefaultIcon"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\SourceList\Net	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\3369A16600FC954E6174BDC29DEB9120	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\ProductName = "ScreenConnect Client (d470575d16e0878c)"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\SourceList	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\d470575d16e0878c\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d470575d16e0878c\URL Protocol	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\7C2A4DCA9BD7B6274D0775D5610E78C8\3369A16600FC954E6174BDC29DEB9120	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\d470575d16e0878c\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-d470575d16e0878c	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d470575d16e0878c	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\3369A16600FC954E6174BDC29DEB9120\Full	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\PackageCode = "3369A16600FC954E6174BDC29DEB9120"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\Version = "419561476"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\InstanceType = "0"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\DeploymentFlags = "3"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\7C2A4DCA9BD7B6274D0775D5610E78C8	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\3369A16600FC954E6174BDC29DEB9120\SourceList\Media\1 = ";"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d470575d16e0878c\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d470575d16e0878c\shell\open\command	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3848	msiexec.exe
3848	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	4352	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4352	msiexec.exe
Token: SeSecurityPrivilege	3848	msiexec.exe
Token: SeCreateTokenPrivilege	4352	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4352	msiexec.exe
Token: SeLockMemoryPrivilege	4352	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4352	msiexec.exe
Token: SeMachineAccountPrivilege	4352	msiexec.exe
Token: SeTcbPrivilege	4352	msiexec.exe
Token: SeSecurityPrivilege	4352	msiexec.exe
Token: SeTakeOwnershipPrivilege	4352	msiexec.exe
Token: SeLoadDriverPrivilege	4352	msiexec.exe
Token: SeSystemProfilePrivilege	4352	msiexec.exe
Token: SeSystemtimePrivilege	4352	msiexec.exe
Token: SeProfSingleProcessPrivilege	4352	msiexec.exe
Token: SeIncBasePriorityPrivilege	4352	msiexec.exe
Token: SeCreatePagefilePrivilege	4352	msiexec.exe
Token: SeCreatePermanentPrivilege	4352	msiexec.exe
Token: SeBackupPrivilege	4352	msiexec.exe
Token: SeRestorePrivilege	4352	msiexec.exe
Token: SeShutdownPrivilege	4352	msiexec.exe
Token: SeDebugPrivilege	4352	msiexec.exe
Token: SeAuditPrivilege	4352	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4352	msiexec.exe
Token: SeChangeNotifyPrivilege	4352	msiexec.exe
Token: SeRemoteShutdownPrivilege	4352	msiexec.exe
Token: SeUndockPrivilege	4352	msiexec.exe
Token: SeSyncAgentPrivilege	4352	msiexec.exe
Token: SeEnableDelegationPrivilege	4352	msiexec.exe
Token: SeManageVolumePrivilege	4352	msiexec.exe
Token: SeImpersonatePrivilege	4352	msiexec.exe
Token: SeCreateGlobalPrivilege	4352	msiexec.exe
Token: SeCreateTokenPrivilege	4352	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4352	msiexec.exe
Token: SeLockMemoryPrivilege	4352	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4352	msiexec.exe
Token: SeMachineAccountPrivilege	4352	msiexec.exe
Token: SeTcbPrivilege	4352	msiexec.exe
Token: SeSecurityPrivilege	4352	msiexec.exe
Token: SeTakeOwnershipPrivilege	4352	msiexec.exe
Token: SeLoadDriverPrivilege	4352	msiexec.exe
Token: SeSystemProfilePrivilege	4352	msiexec.exe
Token: SeSystemtimePrivilege	4352	msiexec.exe
Token: SeProfSingleProcessPrivilege	4352	msiexec.exe
Token: SeIncBasePriorityPrivilege	4352	msiexec.exe
Token: SeCreatePagefilePrivilege	4352	msiexec.exe
Token: SeCreatePermanentPrivilege	4352	msiexec.exe
Token: SeBackupPrivilege	4352	msiexec.exe
Token: SeRestorePrivilege	4352	msiexec.exe
Token: SeShutdownPrivilege	4352	msiexec.exe
Token: SeDebugPrivilege	4352	msiexec.exe
Token: SeAuditPrivilege	4352	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4352	msiexec.exe
Token: SeChangeNotifyPrivilege	4352	msiexec.exe
Token: SeRemoteShutdownPrivilege	4352	msiexec.exe
Token: SeUndockPrivilege	4352	msiexec.exe
Token: SeSyncAgentPrivilege	4352	msiexec.exe
Token: SeEnableDelegationPrivilege	4352	msiexec.exe
Token: SeManageVolumePrivilege	4352	msiexec.exe
Token: SeImpersonatePrivilege	4352	msiexec.exe
Token: SeCreateGlobalPrivilege	4352	msiexec.exe
Token: SeCreateTokenPrivilege	4352	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4352	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4352	msiexec.exe
4352	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 4352	2724	ScreenConnect.ClientSetup.exe	89
PID 3848 wrote to memory of 3256	3848	msiexec.exe	98
PID 3256 wrote to memory of 116	3256	MsiExec.exe	99
PID 3848 wrote to memory of 1980	3848	msiexec.exe	106
PID 3848 wrote to memory of 4268	3848	msiexec.exe	108

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:2724
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\d470575d16e0878c\ScreenConnect.ClientSetup.msi"
  2⤵
  - Badlisted process makes network request
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4352

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:3848
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 78D6DE38C0081973380E36E0DA6A9D45 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3256
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI46F7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240666500 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:116
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:1980
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 780A5224C5D540A9190ABF9135177662
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4268

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:984

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

e587878.rbs

Path C:\Config.Msi\e587878.rbs
Size 10KB
SHA256 823b36bbef88c14c73520acad3c40009f2704cd40d150a21d7052830f4d87db5
MD5 0daa625c3ef643258267d777b5d51fe3
SHA1 3eaf504f845969310dc36b5477c153b0ade2186b
SHA512 0a31c42a7f5e4b7ba845128ac1873f94b45ff17debc5a738c99242ff9e1e0aa12cfada6c8d3db42e1a6c22afe02a4a87f5bf7e947972805640df9793bde44866
SSDEEP 96:0wWqXfCdaGHj0HoF5eulc9UmTiCsThqCUmTiC6jmNvrThqXHot5kyp68K878MECQ:0EXfx0v5eDWOhIAOhDX1pNdICUpD
TLSH
T1B3220E157A00D1E1FA561F32DF074A147BF2EAAA9251735B80CC943E4D9278A4B7F2CE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI46F7.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI46F7.tmp
Size 1.0MB
SHA256 df08b98808c85da1d1ac7338dab9e4f0beeceee270d95bce2e044feb6117dfa6
MD5 ccc08ee4b0c9a2c48612e9615eb7f96a
SHA1 0c567b5d22718b10935e83530e1d974fa79b203d
SHA512 28ef4d1427ca88d8062fe0e4e93c94fa89213ea9ef0daf95ce024f14575f8bf61bda466832eff987c420b58c56eda5a02fdce5c6d8697cffd2bd3a3372e0fcdd
SSDEEP 24576:QUUGG7DlIQMi4CJXxCHzCrvPfU8GWng+A2tuHt+pbW/aU0r1d:jG7DlItQ5xJrvPfU8VgJwW/zAd
TLSH
T18935234832E58439E2A73A320CB6A6B125BC74773670D45FA78B4A1D5FB0AD1DE31327
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Microsoft.Deployment.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI46F7.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\MSI46F7.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\MSI46F7.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\MSI46F7.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\d470575d16e0878c\ScreenConnect.ClientSetup.msi
Size 12.9MB
SHA256 fd4c65574ad0797a8382c095c99c9972726aeb64a62566c4eeaa188ba0861ca0
MD5 d6cb2895366f6e5159982fd526dce394
SHA1 91b1b8de1cbb1baf71a8ca099f31ee2929e927f2
SHA512 0045b834885e190719014edd6c297cb6dd29c3c2d452018f0d24e0c2d5a268d198cf49e893d438b2f3ae9a11dd89fffa314a8b04fc2064d9d1a012d18c41ab41
SSDEEP 196608:cHxcp9ym3VltDUJVjHxcp9ym3VHxcp9ym3xHxcp9ym3yHxcp9ym3boHxcp9ym3bB:6GpPpAGpHGpjGpAGpCGpDGp0
TLSH
T12FD623156BF89638F0F22A35E87AA071A4377D126E22D13E1324791E2C75EC4C9A3777
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.ClientSetup.msi

Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\d470575d16e0878c\ScreenConnect.ClientSetup.msi
Size 12.9MB
SHA256 01474cf5489851e8bd0764e653e85bbc2461aeb14a95fbc5e2dc6ca1b5d88d6d
MD5 61e1f98ab409d81956bdbaccfe0f2c4c
SHA1 3f7b468f41a873dcbc2983519f09eb9c8377393a
SHA512 f8c02c149028835430c4bc82aca656545bb7442394a5e1a4b1acb5f0e99b34f35de4f9e7e58e9f440244a3ef7652fcb53c1fad677e23a53df72d5c6f09eb2dbd
SSDEEP 196608:IHxcp9ym3VltDUJVjHxcp9ym3VHxcp9ym3xHxcp9ym3yHxcp9ym3boHxcp9ym3bB:WGpPpAGpHGpjGpAGpCGpDGp0
TLSH
T1E6D623156BF89678F0F22A35E87AA071A0377D126E22D13E1324791E2C75EC4C9A3777
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI79C0.tmp

Path C:\Windows\Installer\MSI79C0.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 4f3a1795c6c1c31f2e4b469f95d9e98018c7a4f75efb52b0149046292aa3608e
MD5 0305611f00af0c017dfbbc0cc478e473
SHA1 e5473226e5fdd85aaaabfce6607b4600ae768313
SHA512 b304216f13f9f711cb6f21eaaf685a6a21b0c139e51632cb131b6a8b343eceb4969b889091f68999d4ddfb570eace3a76825b6252a4893d23479c8cd07f7f46f
SSDEEP 24576:/u8m+1zSdoO/vvTL7WBeU26FA4kDJFhitHmNjegl5Uqwe2YMYvlYpXqhU:W
TLSH
T17A47D22432F92510E7F39E3CA8F1AA2389397D579C199E8D05411F4E0961FB1E872F6B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{1922733d-d905-436d-9376-aae00dde8c8c}_OnDiskSnapshotProp

Path \??\Volume{fef0c820-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{1922733d-d905-436d-9376-aae00dde8c8c}_OnDiskSnapshotProp
Size 6KB
SHA256 8b80838adb279e5b85bdfa1244321ea926aee725a37faf09ea26dcbda2486bda
MD5 d38c3745742668434c7417564c5276c4
SHA1 43cd9f4dc25ff54ef7f3e66cf32ca0c19c54751b
SHA512 186deee4dfc2bffb743e93664f461d1240fdb2690c01f3649ba3587c0818b5121df6375e61ddbb3817449ccd3f7f32fa7dbcd9174d5af22cb494910721aecced
SSDEEP 96:FXeM+FlSvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:x+sb++ZVm
TLSH
T1E4D188085AF54711E2B3AB7129F14557A877B911EF33CB8E0298238E2670A10F875F6F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/116-38-0x0000000004D70000-0x0000000004D9E000-memory.dmp

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memory/116-42-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

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memory/116-46-0x0000000004EE0000-0x0000000004F6C000-memory.dmp

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memory/116-50-0x0000000005120000-0x00000000052CC000-memory.dmp

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memory/2724-0-0x0000000005A90000-0x0000000005AA0000-memory.dmp

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memory/2724-8-0x0000000005A90000-0x0000000005AA0000-memory.dmp

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memory/2724-7-0x0000000006640000-0x0000000006BE4000-memory.dmp

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memory/2724-6-0x0000000005AC0000-0x0000000005C6C000-memory.dmp

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memory/2724-5-0x0000000005AA0000-0x0000000005AC2000-memory.dmp

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memory/2724-4-0x00000000059D0000-0x0000000005A5C000-memory.dmp

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memory/2724-3-0x0000000005DA0000-0x0000000006092000-memory.dmp

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memory/2724-2-0x0000000005A90000-0x0000000005AA0000-memory.dmp

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memory/2724-1-0x00000000033D0000-0x00000000033D8000-memory.dmp

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