3ac64697f4e3c09f8d6d5ea2245e2fc902cfd7408f4e7ced5e4a66fab07cc9b1

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/05/2026, 00:12

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.5MB
Sample260504-ahdbxaav21
SHA256 3ac64697f4e3c09f8d6d5ea2245e2fc902cfd7408f4e7ced5e4a66fab07cc9b1
MD5 caeb727e45e204804684d7ceeb702a05
SHA1 166d0a2b45a19d12818ee0f13efd8cb0b8ed28fb
SHA512 2d3ea3a6068bc3158fdd90bacae82bc7d22ccb0952b80f8487ed004714a67aa7dc59469dea14347935ffcf0b5de5c8e317c3213650797d8650320dd38bfec796
SSDEEP 98304:gzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zlV:ghfefPtHxcp9ym3nltDUJV
TLSH
T17C46E101B3D695B6D5BF1638D87A52A56634BC048312CBBF5394BD3D6E32BC08E32366
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/5608-3-0x0000000005AE0000-0x0000000005DD2000-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
968	MsiExec.exe
2424	rundll32.exe
2424	rundll32.exe
2424	rundll32.exe
2424	rundll32.exe
2424	rundll32.exe
2424	rundll32.exe
2424	rundll32.exe
2424	rundll32.exe
2424	rundll32.exe
4520	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)	\??\B:	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)	\??\I:	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)	\??\G:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\G:	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)	\??\N:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	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)	\??\A:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (d4d78080a77ed34f)\system.config	msiexec.exe

Drops file in Windows directory 11 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e585222.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\Installer\SourceHash{43C617C5-8002-D313-BDCF-3DF3035F56FA}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI53AA.tmp	msiexec.exe
File created	C:\Windows\Installer\e585224.msi	msiexec.exe
File created	C:\Windows\Installer\{43C617C5-8002-D313-BDCF-3DF3035F56FA}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Installer\e585222.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI537A.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\{43C617C5-8002-D313-BDCF-3DF3035F56FA}\DefaultIcon	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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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

Modifies data under HKEY_USERS 3 IoCs

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

Modifies registry class 32 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\Version = "419561476"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\598F60827531F9854D7D08087AE73DF4	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\URL Protocol	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\598F60827531F9854D7D08087AE73DF4\5C716C342008313DDBFCD33F30F565AF	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-d4d78080a77ed34f	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\shell	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (d4d78080a77ed34f)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\DeploymentFlags = "3"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-d4d78080a77ed34f\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5C716C342008313DDBFCD33F30F565AF\Full	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\ProductIcon = "C:\\Windows\\Installer\\{43C617C5-8002-D313-BDCF-3DF3035F56FA}\\DefaultIcon"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\Clients = 3a0000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\d4d78080a77ed34f\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\PackageCode = "5C716C342008313DDBFCD33F30F565AF"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\5C716C342008313DDBFCD33F30F565AF	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\ProductName = "ScreenConnect Client (d4d78080a77ed34f)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\Language = "1033"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\Media\1 = ";"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\5C716C342008313DDBFCD33F30F565AF\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\d4d78080a77ed34f\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-d4d78080a77ed34f	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3344	msiexec.exe
3344	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5608	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	1068	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1068	msiexec.exe
Token: SeSecurityPrivilege	3344	msiexec.exe
Token: SeCreateTokenPrivilege	1068	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1068	msiexec.exe
Token: SeLockMemoryPrivilege	1068	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1068	msiexec.exe
Token: SeMachineAccountPrivilege	1068	msiexec.exe
Token: SeTcbPrivilege	1068	msiexec.exe
Token: SeSecurityPrivilege	1068	msiexec.exe
Token: SeTakeOwnershipPrivilege	1068	msiexec.exe
Token: SeLoadDriverPrivilege	1068	msiexec.exe
Token: SeSystemProfilePrivilege	1068	msiexec.exe
Token: SeSystemtimePrivilege	1068	msiexec.exe
Token: SeProfSingleProcessPrivilege	1068	msiexec.exe
Token: SeIncBasePriorityPrivilege	1068	msiexec.exe
Token: SeCreatePagefilePrivilege	1068	msiexec.exe
Token: SeCreatePermanentPrivilege	1068	msiexec.exe
Token: SeBackupPrivilege	1068	msiexec.exe
Token: SeRestorePrivilege	1068	msiexec.exe
Token: SeShutdownPrivilege	1068	msiexec.exe
Token: SeDebugPrivilege	1068	msiexec.exe
Token: SeAuditPrivilege	1068	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1068	msiexec.exe
Token: SeChangeNotifyPrivilege	1068	msiexec.exe
Token: SeRemoteShutdownPrivilege	1068	msiexec.exe
Token: SeUndockPrivilege	1068	msiexec.exe
Token: SeSyncAgentPrivilege	1068	msiexec.exe
Token: SeEnableDelegationPrivilege	1068	msiexec.exe
Token: SeManageVolumePrivilege	1068	msiexec.exe
Token: SeImpersonatePrivilege	1068	msiexec.exe
Token: SeCreateGlobalPrivilege	1068	msiexec.exe
Token: SeCreateTokenPrivilege	1068	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1068	msiexec.exe
Token: SeLockMemoryPrivilege	1068	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1068	msiexec.exe
Token: SeMachineAccountPrivilege	1068	msiexec.exe
Token: SeTcbPrivilege	1068	msiexec.exe
Token: SeSecurityPrivilege	1068	msiexec.exe
Token: SeTakeOwnershipPrivilege	1068	msiexec.exe
Token: SeLoadDriverPrivilege	1068	msiexec.exe
Token: SeSystemProfilePrivilege	1068	msiexec.exe
Token: SeSystemtimePrivilege	1068	msiexec.exe
Token: SeProfSingleProcessPrivilege	1068	msiexec.exe
Token: SeIncBasePriorityPrivilege	1068	msiexec.exe
Token: SeCreatePagefilePrivilege	1068	msiexec.exe
Token: SeCreatePermanentPrivilege	1068	msiexec.exe
Token: SeBackupPrivilege	1068	msiexec.exe
Token: SeRestorePrivilege	1068	msiexec.exe
Token: SeShutdownPrivilege	1068	msiexec.exe
Token: SeDebugPrivilege	1068	msiexec.exe
Token: SeAuditPrivilege	1068	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1068	msiexec.exe
Token: SeChangeNotifyPrivilege	1068	msiexec.exe
Token: SeRemoteShutdownPrivilege	1068	msiexec.exe
Token: SeUndockPrivilege	1068	msiexec.exe
Token: SeSyncAgentPrivilege	1068	msiexec.exe
Token: SeEnableDelegationPrivilege	1068	msiexec.exe
Token: SeManageVolumePrivilege	1068	msiexec.exe
Token: SeImpersonatePrivilege	1068	msiexec.exe
Token: SeCreateGlobalPrivilege	1068	msiexec.exe
Token: SeCreateTokenPrivilege	1068	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1068	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1068	msiexec.exe
1068	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5608 wrote to memory of 1068	5608	ScreenConnect.ClientSetup.exe	86
PID 3344 wrote to memory of 968	3344	msiexec.exe	89
PID 968 wrote to memory of 2424	968	MsiExec.exe	90
PID 3344 wrote to memory of 5188	3344	msiexec.exe	98
PID 3344 wrote to memory of 4520	3344	msiexec.exe	100

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe
"C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5608
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\d4d78080a77ed34f\ScreenConnect.ClientSetup.msi"
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:1068

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:3344
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 5B9AAB4BF309B6F80919660F421C6506 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:968
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1894.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240654546 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2424
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:5188
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 42967C181875047AD8F3A3D06DFAFAE4
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4520

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:1048

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

e585223.rbs

Path C:\Config.Msi\e585223.rbs
Size 10KB
SHA256 837c8f08272098125329a044943d49d607926abab616d5184423e73baef9e8f3
MD5 857952ed1660154d41173306052948ea
SHA1 a85d52fbc3776ec9ee2cc54013a0ea0ca107941e
SHA512 bdd29833b70032178f4b0550cdb5c6beba709e45d3077c485d84b1cc2937a7c1bd1d96612b903a2116936d3aa896ceb088f41d4da371774edc2d518264aad1b8
SSDEEP 96:tzCpR8d5CC4AUSkI7kUiMV0N+GtPjDiV1H9As+U4ea/Y9ULw9iCsThqCULw9iC6z:t8O55W9Pe1WohIQohDBLjhPwdp5
TLSH
T17E220915760091E2F2A61E32DF861F043F72DEE81320224E51CD96798EE2BC90FBD2C6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI1894.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI1894.tmp
Size 1.0MB
SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
MD5 81f945dabc576ca389348a4e7147463f
SHA1 1876786194d49de92fff0b523f0c6280bdf94e22
SHA512 3f72d5a6f482757484b0c06cb5c1e6e018a4051fe43086f77f6ea8e61ee0d08afc0ec96eac5cb01e2d8dfdabe9115d7c277cd87b7ccf9bb02bd8da0e9556504a
SSDEEP 24576:QUUGG4DlIQMi4CJXxCHzCrvPfU8GWng+A2tuHt+pbW/aU0r1d:jG4DlItQ5xJrvPfU8VgJwW/zAd
TLSH
T19D35234832E58439E2A73A320CB6A6B125BC74773670D45FA78B4A1D5FB0AD1DE31327
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Microsoft.Deployment.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI1894.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\MSI1894.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\MSI1894.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\MSI1894.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\d4d78080a77ed34f\ScreenConnect.ClientSetup.msi
Size 13.0MB
SHA256 196219f94821a313d898a263a9b409c40d34ccbae00765c9678752592786f969
MD5 8f1b2d6e8419f3ecc5f7797641f7dc42
SHA1 be4026065b0dd5b3a30a6572ec33f0fc33c7c498
SHA512 b981e352a47dc3ef7b3974fcf9d9bc5e9606d649718f66c1573db8cbe2e8bb96961de59388780183355cdb49559e0cbfb220442939735a092a8dc9a8aa4f1775
SSDEEP 196608:aHxcp9ym3nltDUJVDHxcp9ym37Hxcp9ym3CHxcp9ym3iHxcp9ym3cHxcp9ym30Hs:oGplpAGpFGpQGpwGp6GpSGpD
TLSH
T141D623116BF8D668F0F62A39E8B6A0B0A5377D125D22D12E6324791E2C75EC0C973737
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI53AA.tmp

Path C:\Windows\Installer\MSI53AA.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 46aa26fa386958603c3601cac1fd76b1b5883a8845a9f763f9a7bee1c89d9748
MD5 02bf00828b5ac0a845df277f66171a39
SHA1 c6ba962f64acd8bc90f13cbeb93b510f5a55a1c4
SHA512 4cf9afdbbfb9bef47c1087d4ca1e290b03627735130a1825bc7136caacbf8bc3d05b164f738a205ddc8ecc9e853165c51c09a8e0b7908accba49c7881ca1ed5a
SSDEEP 24576:Ou8m+1zEdoO/vvTLb23+SmKDmeEjfVXSLB2tlYG1vkaG+wOq4flu/BMBy:N
TLSH
T14C47A52436F92100E7F79F3CA8F06A63893D7D579C15DE8D45411B8E0922BB1E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{72217fca-e9c9-4c8e-b95e-9fd897579f7d}_OnDiskSnapshotProp

Path \??\Volume{568a4ae8-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{72217fca-e9c9-4c8e-b95e-9fd897579f7d}_OnDiskSnapshotProp
Size 6KB
SHA256 278f86265b2a30197ae46ab915b831aeb394df4af4b1b893b98ab8b5759f2775
MD5 0ff256d31f434c029638b17644cb892e
SHA1 391e1ebec495065fa366ddb366d0072e02049a09
SHA512 5bb6fdf55a9183cd7b9b477c113456ba5348ac815b4073cee4f9ed1f12d9dffe81377b577d437036b6a5d9b3e6f34269d1cb3c8d58cec5fcfbbfad243936c633
SSDEEP 96:FZ9FGFzvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:fXOb++ZVm
TLSH
T117D178185AE54311E2B3AB7129F14557A877B811EF33CB8E0298238E6631A10F975F6F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/968-51-0x00000000027B0000-0x0000000002825000-memory.dmp

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memory/968-94-0x00000000027B0000-0x0000000002825000-memory.dmp

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memory/1068-50-0x00000000006D0000-0x0000000000745000-memory.dmp

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memory/1068-95-0x00000000006D0000-0x0000000000745000-memory.dmp

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memory/2424-35-0x0000000002F50000-0x0000000002F5A000-memory.dmp

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memory/2424-49-0x0000000001040000-0x00000000010B5000-memory.dmp

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memory/2424-39-0x0000000003050000-0x00000000030DC000-memory.dmp

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memory/2424-31-0x0000000002F60000-0x0000000002F8E000-memory.dmp

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memory/2424-43-0x0000000005680000-0x000000000582C000-memory.dmp

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memory/4520-93-0x0000000002320000-0x0000000002395000-memory.dmp

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memory/5608-8-0x0000000003320000-0x0000000003330000-memory.dmp

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memory/5608-0-0x0000000003320000-0x0000000003330000-memory.dmp

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memory/5608-7-0x0000000006380000-0x0000000006924000-memory.dmp

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memory/5608-6-0x0000000005870000-0x0000000005A1C000-memory.dmp

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memory/5608-5-0x0000000003330000-0x0000000003352000-memory.dmp

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memory/5608-4-0x00000000057E0000-0x000000000586C000-memory.dmp

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memory/5608-3-0x0000000005AE0000-0x0000000005DD2000-memory.dmp

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memory/5608-11-0x0000000006150000-0x00000000061D7000-memory.dmp

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memory/5608-2-0x0000000003320000-0x0000000003330000-memory.dmp

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memory/5608-1-0x00000000018C0000-0x00000000018C8000-memory.dmp

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