494242e076faf0ff5e2d46f6676982101cb81d0265d05c1483faeb67e5620306

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/06/2026, 12:20

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.5MB
Sample260601-phx4msbv8t
SHA256 494242e076faf0ff5e2d46f6676982101cb81d0265d05c1483faeb67e5620306
MD5 42e7bcba6eeece400e305d028b3cbebc
SHA1 21eea31294e0fd4147b919295fd45f6fd94b9952
SHA512 c68eb4e7c4fb6e2e14032ee828036d67e4d060cce5e97a8bf50491d2a996876ca7c33fd885fdbcdf7485a15457763018b28272737c1ad9ebefa7c019655988b6
SSDEEP 98304:YzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl/:YhfefPtHxcp9ym3nltDUJV
TLSH
T19846E101B3D695B6D5BF1638D87A52A56634BC048312CBBF5394BD3D6E32BC08E32366
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/4072-3-0x00000000055E0000-0x00000000058D2000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
1888	MsiExec.exe
1096	rundll32.exe
1096	rundll32.exe
1096	rundll32.exe
1096	rundll32.exe
1096	rundll32.exe
1096	rundll32.exe
1096	rundll32.exe
1096	rundll32.exe
1096	rundll32.exe
3244	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)	\??\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)	\??\A:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\M:	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)	\??\H:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	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)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\B:	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)	\??\O:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (b6c853fc348552b7)\Client.Override.resources	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File created	C:\Windows\Installer\{06E23E21-E87C-5810-B0AE-BB9635A5A807}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF176C8CC32FEEF261.TMP	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\MSI3A94.tmp	msiexec.exe
File created	C:\Windows\Installer\e583853.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\{06E23E21-E87C-5810-B0AE-BB9635A5A807}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF41184F10636D7A88.TMP	msiexec.exe
File created	C:\Windows\Installer\SourceHash{06E23E21-E87C-5810-B0AE-BB9635A5A807}	msiexec.exe
File created	C:\Windows\SystemTemp\~DF584E4BBCC44CE763.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DF19B6169688527206.TMP	msiexec.exe
File created	C:\Windows\Installer\e583851.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e583851.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\MSI3A64.tmp	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\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 (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b6c853fc348552b7\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (b6c853fc348552b7)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\AdvertiseFlags = "388"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\ProductIcon = "C:\\Windows\\Installer\\{06E23E21-E87C-5810-B0AE-BB9635A5A807}\\DefaultIcon"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\E735AC7D2D29E24D6B8C35CF4358257B	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\b6c853fc348552b7\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b6c853fc348552b7	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\12E32E60C78E01850BEABB69535A8A70	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\AuthorizedLUAApp = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b6c853fc348552b7\URL Protocol	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\SourceList\Net	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\Clients = 3a0000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\ProductName = "ScreenConnect Client (b6c853fc348552b7)"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\PackageCode = "12E32E60C78E01850BEABB69535A8A70"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\12E32E60C78E01850BEABB69535A8A70\Full	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\E735AC7D2D29E24D6B8C35CF4358257B\12E32E60C78E01850BEABB69535A8A70	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\SourceList\Media\1 = ";"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-b6c853fc348552b7	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b6c853fc348552b7\shell	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b6c853fc348552b7\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b6c853fc348552b7\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-b6c853fc348552b7\shell\open	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\b6c853fc348552b7\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-b6c853fc348552b7\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\Version = "419561476"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\12E32E60C78E01850BEABB69535A8A70\SourceList	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
876	msiexec.exe
876	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4072	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	4860	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4860	msiexec.exe
Token: SeSecurityPrivilege	876	msiexec.exe
Token: SeCreateTokenPrivilege	4860	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4860	msiexec.exe
Token: SeLockMemoryPrivilege	4860	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4860	msiexec.exe
Token: SeMachineAccountPrivilege	4860	msiexec.exe
Token: SeTcbPrivilege	4860	msiexec.exe
Token: SeSecurityPrivilege	4860	msiexec.exe
Token: SeTakeOwnershipPrivilege	4860	msiexec.exe
Token: SeLoadDriverPrivilege	4860	msiexec.exe
Token: SeSystemProfilePrivilege	4860	msiexec.exe
Token: SeSystemtimePrivilege	4860	msiexec.exe
Token: SeProfSingleProcessPrivilege	4860	msiexec.exe
Token: SeIncBasePriorityPrivilege	4860	msiexec.exe
Token: SeCreatePagefilePrivilege	4860	msiexec.exe
Token: SeCreatePermanentPrivilege	4860	msiexec.exe
Token: SeBackupPrivilege	4860	msiexec.exe
Token: SeRestorePrivilege	4860	msiexec.exe
Token: SeShutdownPrivilege	4860	msiexec.exe
Token: SeDebugPrivilege	4860	msiexec.exe
Token: SeAuditPrivilege	4860	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4860	msiexec.exe
Token: SeChangeNotifyPrivilege	4860	msiexec.exe
Token: SeRemoteShutdownPrivilege	4860	msiexec.exe
Token: SeUndockPrivilege	4860	msiexec.exe
Token: SeSyncAgentPrivilege	4860	msiexec.exe
Token: SeEnableDelegationPrivilege	4860	msiexec.exe
Token: SeManageVolumePrivilege	4860	msiexec.exe
Token: SeImpersonatePrivilege	4860	msiexec.exe
Token: SeCreateGlobalPrivilege	4860	msiexec.exe
Token: SeCreateTokenPrivilege	4860	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4860	msiexec.exe
Token: SeLockMemoryPrivilege	4860	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4860	msiexec.exe
Token: SeMachineAccountPrivilege	4860	msiexec.exe
Token: SeTcbPrivilege	4860	msiexec.exe
Token: SeSecurityPrivilege	4860	msiexec.exe
Token: SeTakeOwnershipPrivilege	4860	msiexec.exe
Token: SeLoadDriverPrivilege	4860	msiexec.exe
Token: SeSystemProfilePrivilege	4860	msiexec.exe
Token: SeSystemtimePrivilege	4860	msiexec.exe
Token: SeProfSingleProcessPrivilege	4860	msiexec.exe
Token: SeIncBasePriorityPrivilege	4860	msiexec.exe
Token: SeCreatePagefilePrivilege	4860	msiexec.exe
Token: SeCreatePermanentPrivilege	4860	msiexec.exe
Token: SeBackupPrivilege	4860	msiexec.exe
Token: SeRestorePrivilege	4860	msiexec.exe
Token: SeShutdownPrivilege	4860	msiexec.exe
Token: SeDebugPrivilege	4860	msiexec.exe
Token: SeAuditPrivilege	4860	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4860	msiexec.exe
Token: SeChangeNotifyPrivilege	4860	msiexec.exe
Token: SeRemoteShutdownPrivilege	4860	msiexec.exe
Token: SeUndockPrivilege	4860	msiexec.exe
Token: SeSyncAgentPrivilege	4860	msiexec.exe
Token: SeEnableDelegationPrivilege	4860	msiexec.exe
Token: SeManageVolumePrivilege	4860	msiexec.exe
Token: SeImpersonatePrivilege	4860	msiexec.exe
Token: SeCreateGlobalPrivilege	4860	msiexec.exe
Token: SeCreateTokenPrivilege	4860	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4860	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4860	msiexec.exe
4860	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 4860	4072	ScreenConnect.ClientSetup.exe	82
PID 876 wrote to memory of 1888	876	msiexec.exe	84
PID 1888 wrote to memory of 1096	1888	MsiExec.exe	85
PID 876 wrote to memory of 4644	876	msiexec.exe	89
PID 876 wrote to memory of 3244	876	msiexec.exe	91

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:4072
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\b6c853fc348552b7\ScreenConnect.ClientSetup.msi"
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4860

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:876
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 1524753DDA011BCF3A737ED5962C6FF6 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1888
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4AE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240649500 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1096
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4644
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding C3F6267B092CBF8EDA0DCE04E830609E
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3244

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:4944

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

e583852.rbs

Path C:\Config.Msi\e583852.rbs
Size 10KB
SHA256 f5a0c63479129101663f1ffa41fc3732428ac6b617683d998fb8e9a79a711c02
MD5 db6a5b91d810682d6be574f5bdb3857d
SHA1 b7677a29dcef9161847ce8c00f46f3442197226a
SHA512 ab3d678b17b0f319c2ea7083ac4b233df4ebd420397d4cdd1987ced6cfbeb54c5073acf55d546ca78622f1dd6689eca9330515180e33f3f8ba69e7dc302ff33a
SSDEEP 192:83NKXIloCS1PW0hIq0hxvbtsffEwDbA0nZbupIvhdhyrc/H3:83YXyu1u0f0/vbt48wDbA0nZVvhdhyri
TLSH
T1292234007B0AA0D1F6A70B31E7876A107FB29AD75301328F51CC9A788D537C997BE6C6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI4AE.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI4AE.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\MSI4AE.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\MSI4AE.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\MSI4AE.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\MSI4AE.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\b6c853fc348552b7\ScreenConnect.ClientSetup.msi
Size 13.0MB
SHA256 7d0e1c0f76be712c3f52c23b113c935d0361ab0bcc74c4383098eadac20eb3b1
MD5 4ed1ec27d4e0081bba035c58a9fbc03c
SHA1 a22b6063dafdb0773e20152f28c8490ca347dd23
SHA512 03424f63cf98721d1947111bac5144c347978c2756946c9a8b9255ec0140153790f48668258a7abcca73f80326f82fd432910ea0bb795d80233b620c6327dde9
SSDEEP 196608:QHxcp9ym3nltDUJVFHxcp9ym37Hxcp9ym3CHxcp9ym3iHxcp9ym3cHxcp9ym3mHF:+Gplp2GpFGpQGpwGp6Gp0Gp2
TLSH
T123D623116BF8D668F0F62A39E8B6A0B0A5377D125D22D12E6324791E2C75EC0C973737
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI3A94.tmp

Path C:\Windows\Installer\MSI3A94.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 24.6MB
SHA256 94f68d4382f63cbee65201b8fb64e4dc8bd3265b2f37b968553308c623381f71
MD5 f0dae0a96af064c7d416bd5b40668560
SHA1 369a5c18b14492410515d20aca59860304355129
SHA512 b98f4ea3858abca1b95660cab885801708d2cd8a8846f8e4cf14199adbcc0529c752b3f43f0720c3bd5eb14e22205627d281e8d334885da4addf94b1ad9bf777
SSDEEP 24576:Y2gmSp1jdoO/vvTL5GyuxEHKv65pg4WoGWBdHJESL5KoEe2HoZTVrf4lx:C
TLSH
T12047F61832F92140E7F39E3DA8F06A67493A7D5B9C15DE8D05811B8D0921FB1E872F6B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{0146194d-e5bc-4d96-9273-00e21e7c3c18}_OnDiskSnapshotProp

Path \??\Volume{8b022b51-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{0146194d-e5bc-4d96-9273-00e21e7c3c18}_OnDiskSnapshotProp
Size 6KB
SHA256 8928f1957334f613515a8959d25d934046be74da88c3d999193bdbd64f373648
MD5 551f265078cf289c62398913a72541f0
SHA1 3e27f650998765ac438a47e86998cd15e69140a2
SHA512 d35d19910946b11e9484d7200cfc008fdc20c5976a3ab4d4a680517a35a79ac20b53335b8327a897fb6713fb36863def0c1b39434b1990eda7c59928d4dac0ab
SSDEEP 96:FnswC4Yjvc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:lsZb++ZVm
TLSH
T153D17A085AF54711E2B3AB7228F14557A877B911EF33CB8E0298238E2670911F975F5F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/876-87-0x000001F238CA0000-0x000001F239762000-memory.dmp

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memory/1096-42-0x0000000005590000-0x000000000573C000-memory.dmp

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memory/1096-30-0x0000000005200000-0x000000000522E000-memory.dmp

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memory/1096-34-0x00000000051F0000-0x00000000051FA000-memory.dmp

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memory/1096-38-0x0000000005350000-0x00000000053DC000-memory.dmp

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memory/4072-8-0x0000000001330000-0x0000000001340000-memory.dmp

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memory/4072-7-0x0000000005E80000-0x0000000006426000-memory.dmp

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memory/4072-6-0x00000000053E0000-0x000000000558C000-memory.dmp

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memory/4072-0-0x0000000001330000-0x0000000001340000-memory.dmp

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memory/4072-5-0x0000000001530000-0x0000000001552000-memory.dmp

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memory/4072-4-0x0000000005350000-0x00000000053DC000-memory.dmp

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memory/4072-3-0x00000000055E0000-0x00000000058D2000-memory.dmp

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memory/4072-2-0x0000000001330000-0x0000000001340000-memory.dmp

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memory/4072-1-0x00000000014E0000-0x00000000014E8000-memory.dmp

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