465d1febf4a78289be81fe2b0c2c792d4a9f487279c9001c471934d6b37defec

Analysis

max time kernel
149s
max time network
160s
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, 12:16

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.4MB
Sample260601-pfgzmsc19q
SHA256 465d1febf4a78289be81fe2b0c2c792d4a9f487279c9001c471934d6b37defec
MD5 77689b4f2f1216bc713809cc8bceb0ea
SHA1 89e7157994c32451ce54221120c9111c05fc5c06
SHA512 5fbc780652410a91544b0746cc30f8d7fc0783bdb54594b78e51b4d3331fd91a9cdbd9f167b418a59f6ab865319999622e20f566ab57b75020be716f9ebc4ae9
SSDEEP 98304:CzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:ChfefPtHxcp9ym3nltDUJV
TLSH
T1C446E101B3D695B6D1BF1638D87A56696734BC048312CBBF5794BD392E32BC04E323A6
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/5148-3-0x0000000005C90000-0x0000000005F82000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
3972	MsiExec.exe
1004	rundll32.exe
1004	rundll32.exe
1004	rundll32.exe
1004	rundll32.exe
1004	rundll32.exe
1004	rundll32.exe
1004	rundll32.exe
1004	rundll32.exe
1004	rundll32.exe
4784	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)	\??\P:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	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)	\??\L:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (6a76edc7da9162fd)\ScreenConnect.Client.dll	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\{9D8D08AE-647E-462B-0B0C-047F725349F1}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF9B2BB4569F124D7B.TMP	msiexec.exe
File created	C:\Windows\Installer\e582650.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e582650.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\{9D8D08AE-647E-462B-0B0C-047F725349F1}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF98A3B11092EECA45.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DF30D6BC821C3A2A64.TMP	msiexec.exe
File created	C:\Windows\Installer\SourceHash{9D8D08AE-647E-462B-0B0C-047F725349F1}	msiexec.exe
File created	C:\Windows\SystemTemp\~DF0DE57F6B1423ACE5.TMP	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 opened for modification	C:\Windows\Installer\MSI27F5.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI2825.tmp	msiexec.exe
File created	C:\Windows\Installer\e582652.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	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\Installer\Products\EA80D8D9E746B264B0C040F72735941F\PackageCode = "EA80D8D9E746B264B0C040F72735941F"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\SourceList\Media\1 = ";"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6a76edc7da9162fd\UseOriginalUrlEncoding = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6a76edc7da9162fd\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (6a76edc7da9162fd)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\EA80D8D9E746B264B0C040F72735941F	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\SourceList\Net	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6a76edc7da9162fd\URL Protocol	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-6a76edc7da9162fd\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\ProductIcon = "C:\\Windows\\Installer\\{9D8D08AE-647E-462B-0B0C-047F725349F1}\\DefaultIcon"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\6a76edc7da9162fd\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\SourceList\Media	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6a76edc7da9162fd\shell	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\AdvertiseFlags = "388"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\D2D2F73BE86DFED3A667DE7CAD1926DF	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-6a76edc7da9162fd	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\Assignment = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\D2D2F73BE86DFED3A667DE7CAD1926DF\EA80D8D9E746B264B0C040F72735941F	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6a76edc7da9162fd\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\ProductName = "ScreenConnect Client (6a76edc7da9162fd)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\Version = "419561476"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\6a76edc7da9162fd\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6a76edc7da9162fd	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-6a76edc7da9162fd\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\EA80D8D9E746B264B0C040F72735941F\Full	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\EA80D8D9E746B264B0C040F72735941F\AuthorizedLUAApp = "0"	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
488	msiexec.exe
488	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5148	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	1248	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1248	msiexec.exe
Token: SeSecurityPrivilege	488	msiexec.exe
Token: SeCreateTokenPrivilege	1248	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1248	msiexec.exe
Token: SeLockMemoryPrivilege	1248	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1248	msiexec.exe
Token: SeMachineAccountPrivilege	1248	msiexec.exe
Token: SeTcbPrivilege	1248	msiexec.exe
Token: SeSecurityPrivilege	1248	msiexec.exe
Token: SeTakeOwnershipPrivilege	1248	msiexec.exe
Token: SeLoadDriverPrivilege	1248	msiexec.exe
Token: SeSystemProfilePrivilege	1248	msiexec.exe
Token: SeSystemtimePrivilege	1248	msiexec.exe
Token: SeProfSingleProcessPrivilege	1248	msiexec.exe
Token: SeIncBasePriorityPrivilege	1248	msiexec.exe
Token: SeCreatePagefilePrivilege	1248	msiexec.exe
Token: SeCreatePermanentPrivilege	1248	msiexec.exe
Token: SeBackupPrivilege	1248	msiexec.exe
Token: SeRestorePrivilege	1248	msiexec.exe
Token: SeShutdownPrivilege	1248	msiexec.exe
Token: SeDebugPrivilege	1248	msiexec.exe
Token: SeAuditPrivilege	1248	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1248	msiexec.exe
Token: SeChangeNotifyPrivilege	1248	msiexec.exe
Token: SeRemoteShutdownPrivilege	1248	msiexec.exe
Token: SeUndockPrivilege	1248	msiexec.exe
Token: SeSyncAgentPrivilege	1248	msiexec.exe
Token: SeEnableDelegationPrivilege	1248	msiexec.exe
Token: SeManageVolumePrivilege	1248	msiexec.exe
Token: SeImpersonatePrivilege	1248	msiexec.exe
Token: SeCreateGlobalPrivilege	1248	msiexec.exe
Token: SeCreateTokenPrivilege	1248	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1248	msiexec.exe
Token: SeLockMemoryPrivilege	1248	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1248	msiexec.exe
Token: SeMachineAccountPrivilege	1248	msiexec.exe
Token: SeTcbPrivilege	1248	msiexec.exe
Token: SeSecurityPrivilege	1248	msiexec.exe
Token: SeTakeOwnershipPrivilege	1248	msiexec.exe
Token: SeLoadDriverPrivilege	1248	msiexec.exe
Token: SeSystemProfilePrivilege	1248	msiexec.exe
Token: SeSystemtimePrivilege	1248	msiexec.exe
Token: SeProfSingleProcessPrivilege	1248	msiexec.exe
Token: SeIncBasePriorityPrivilege	1248	msiexec.exe
Token: SeCreatePagefilePrivilege	1248	msiexec.exe
Token: SeCreatePermanentPrivilege	1248	msiexec.exe
Token: SeBackupPrivilege	1248	msiexec.exe
Token: SeRestorePrivilege	1248	msiexec.exe
Token: SeShutdownPrivilege	1248	msiexec.exe
Token: SeDebugPrivilege	1248	msiexec.exe
Token: SeAuditPrivilege	1248	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1248	msiexec.exe
Token: SeChangeNotifyPrivilege	1248	msiexec.exe
Token: SeRemoteShutdownPrivilege	1248	msiexec.exe
Token: SeUndockPrivilege	1248	msiexec.exe
Token: SeSyncAgentPrivilege	1248	msiexec.exe
Token: SeEnableDelegationPrivilege	1248	msiexec.exe
Token: SeManageVolumePrivilege	1248	msiexec.exe
Token: SeImpersonatePrivilege	1248	msiexec.exe
Token: SeCreateGlobalPrivilege	1248	msiexec.exe
Token: SeCreateTokenPrivilege	1248	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1248	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1248	msiexec.exe
1248	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5148 wrote to memory of 1248	5148	ScreenConnect.ClientSetup.exe	81
PID 488 wrote to memory of 3972	488	msiexec.exe	83
PID 3972 wrote to memory of 1004	3972	MsiExec.exe	84
PID 488 wrote to memory of 4612	488	msiexec.exe	88
PID 488 wrote to memory of 4784	488	msiexec.exe	90

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:5148
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\6a76edc7da9162fd\ScreenConnect.ClientSetup.msi"
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:1248

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:488
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 5DFBC0730BECB9CC79D04D51A00FE523 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3972
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF721.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240645984 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1004
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4612
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding EA6268636769F4E3D535B70C21D3A5E1
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4784

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:3900

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

e582651.rbs

Path C:\Config.Msi\e582651.rbs
Size 10KB
SHA256 3abd427cae0df7e6800ca4405bf38a808c1e7f09fdbf64f8418fda99ad6ac97d
MD5 4aa81eb658f430681e71f53c939f5c4d
SHA1 7f79862f1f2a760df49ce06d85411a3039a07899
SHA512 865fd402c08f279161f04c25563b7d66624a53846ac1385b3cc6575606110b11e1d70c1f01e7ddddc75df3016b1fda43a29e06eb4f313757fee78fbfd65be140
SSDEEP 96:x2kA86vALqGvjcfwVoCPr29UsOgiCsThqQUsOgiC6jzAK9DThqJH2T5+dlWYBQB5:x9AFvfA1oCyWyhICyhfm3CWJupK
TLSH
T1E422CE42BA00F0E1E2992B73DB9706123F769DEA1315229F54CC46788F7278A977C1D7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIF721.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSIF721.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\MSIF721.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\MSIF721.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\MSIF721.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\MSIF721.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\6a76edc7da9162fd\ScreenConnect.ClientSetup.msi
Size 12.8MB
SHA256 a2508c2f9924fc292f9e33971d32a7d7b58da30a15f783df9653fdbeb3d6bf53
MD5 65d5cd9947efc66e6314291fdad474f1
SHA1 02783e554cfc1a287d64e61e4b2956979d0020e1
SHA512 2fb17afc6579a57ca945ad3d20914e70cdd3d3255051ec9f46f3bc021544384ce9bcbdc7b56297643a7affe7f241030fde1559c87c9de92b12a68f2f9af26fb0
SSDEEP 196608:4Hxcp9ym3nltDUJVoHxcp9ym3nHxcp9ym3MHxcp9ym3gHxcp9ym3iHxcp9ym3+Hi:GGplpHGpRGpqGpOGpwGpMGpV
TLSH
T15ED623516BF89278F0F22A35EC7AA0B0A53B7D515D22D12E2324791E2C75EC0C9A3777
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI2825.tmp

Path C:\Windows\Installer\MSI2825.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 bef7861ae5b8c59c3d367e89762f69139d66b97a1bfdde4d7054356ea8f4fba7
MD5 97e9f276da1abf23c5f7538a6e1d727e
SHA1 921404ac71d3d7a7027f7018a89d6e5fc4fc4462
SHA512 5a4369f924a1bfd83a3077e911c9345d3da59a712bcc8079b9548ecf1fa2fb635b1232705a0edea7610346195d487f003a4b5cdf920607d7e6e0ae3fd1892f45
SSDEEP 24576:92gmSp1KdoO/vvTL5GyuxEHKv65pg4WoGWBdHJESL5KoEe2HoZTVrf4lx:+
TLSH
T15547F61832F92140E7F39E3DA8F06A67493A7D5B9C15DE8D05811B8D0921FB1E872F6B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{1d177648-139b-4e1f-a6e7-e6b3e405d42f}_OnDiskSnapshotProp

Path \??\Volume{8b022b51-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{1d177648-139b-4e1f-a6e7-e6b3e405d42f}_OnDiskSnapshotProp
Size 6KB
SHA256 40ef12e90b71de3b4c43841b2eef56c6ed2fc9c18fcf8653abc42e73561664ef
MD5 0b661776a1650ac446530c9052eed2c4
SHA1 cccc04056be52c054d937658478414c962a06613
SHA512 1ff04927179729f167b10f9aee31f002280f8e99a15a436db93ec8d0dc3223f0d31ee7afc06b6fbc5f239ea7480a86eee3ce3a2701ab1cc5c7740eb7d9d4eb9c
SSDEEP 96:FNOc9C4i/vc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:vOcab++ZVm
TLSH
T107D1780C5AE54711E2B3AB7228F14557A877B911FF33CB8E0298238E2620A10F875F5F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1004-34-0x0000000003040000-0x000000000304A000-memory.dmp

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memory/1004-30-0x0000000003000000-0x000000000302E000-memory.dmp

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memory/1004-38-0x0000000005470000-0x00000000054FC000-memory.dmp

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memory/1004-42-0x00000000056B0000-0x000000000585C000-memory.dmp

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memory/5148-8-0x0000000005990000-0x00000000059A0000-memory.dmp

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memory/5148-7-0x0000000006530000-0x0000000006AD6000-memory.dmp

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memory/5148-0-0x0000000005990000-0x00000000059A0000-memory.dmp

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memory/5148-6-0x0000000005AA0000-0x0000000005C4C000-memory.dmp

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memory/5148-5-0x0000000005950000-0x0000000005972000-memory.dmp

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memory/5148-4-0x0000000005A10000-0x0000000005A9C000-memory.dmp

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memory/5148-3-0x0000000005C90000-0x0000000005F82000-memory.dmp

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memory/5148-2-0x0000000005990000-0x00000000059A0000-memory.dmp

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memory/5148-1-0x0000000003420000-0x0000000003428000-memory.dmp

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