7e049c9f4ab886854efe293c3b8fef7d4b95c700a89a30b7a305a2d7722b943e

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/06/2026, 00:18

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.4MB
Sample260620-alv15act5l
SHA256 7e049c9f4ab886854efe293c3b8fef7d4b95c700a89a30b7a305a2d7722b943e
MD5 cb9ffc27b1389af8e23c0295fb87083a
SHA1 7976534b2572c28e87604b9e3088d42bf822e796
SHA512 9520ca5adc90c979f935042b9dc26c846a8c0939bd24f453449ce917214174689c3c7a781b678df21dfee8d5700262097bfad9adda25ace97d9a18a198890e6e
SSDEEP 49152:hEEL5cx5xTkYJkGYYpT0+TFiH7efP8Q1yJJ4ZD1F5z97oL1YbGQ+okRPGHpRPqM8:2Es6efPNwJ4t1h0cG5FGJRPxow8O
TLSH
T19546E111B3D995B9D4BF063CD87A82A99A74BC044712C7EF53D4BD2D2D32BC05A323A6
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/5596-3-0x0000000005D60000-0x0000000006050000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
3552	MsiExec.exe
3060	rundll32.exe
3060	rundll32.exe
3060	rundll32.exe
3060	rundll32.exe
3060	rundll32.exe
3060	rundll32.exe
3060	rundll32.exe
3060	rundll32.exe
3060	rundll32.exe
4896	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)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\B:	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)	\??\V:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	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)	\??\U:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (debed0d665da4e8a)\ScreenConnect.Core.dll	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\e59a8f8.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\SystemTemp\~DFF19A3E27D05C11AF.TMP	msiexec.exe
File created	C:\Windows\Installer\SourceHash{E8E19557-5909-80E5-EAC7-AFC66591AB6D}	msiexec.exe
File created	C:\Windows\SystemTemp\~DF1351F6FDA6C07501.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DF417070DBE5B8D691.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIAED5.tmp	msiexec.exe
File created	C:\Windows\Installer\e59a8fa.msi	msiexec.exe
File created	C:\Windows\Installer\{E8E19557-5909-80E5-EAC7-AFC66591AB6D}\DefaultIcon	msiexec.exe
File created	C:\Windows\Installer\e59a8f8.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIAEB5.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\{E8E19557-5909-80E5-EAC7-AFC66591AB6D}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF0820CD86F29F74D2.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	MsiExec.exe
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

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 = 0000000004000000ed6836836fe2a8780000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c0120000000000000000000000002701010000883801ed6836830000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e84101ed683683000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e3ed68368300000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e6ed68368300000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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	msiexec.exe
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

Modifies registry class 32 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\24.3.7.9067\\debed0d665da4e8a\\"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\Version = "402849799"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-debed0d665da4e8a\URL Protocol	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-debed0d665da4e8a\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-debed0d665da4e8a	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\75591E8E90955E08AE7CFA6C5619BAD6	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\75591E8E90955E08AE7CFA6C5619BAD6\Full	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\InstanceType = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-debed0d665da4e8a\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\PackageCode = "75591E8E90955E08AE7CFA6C5619BAD6"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-debed0d665da4e8a\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\1FE9A6C9B907ADD9EDEB0D6D56ADE4A8	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-debed0d665da4e8a	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\ProductName = "ScreenConnect Client (debed0d665da4e8a)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\Language = "1033"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-debed0d665da4e8a\shell	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\Assignment = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\SourceList\Media\1 = ";"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\Clients = 3a0000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\24.3.7.9067\\debed0d665da4e8a\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-debed0d665da4e8a\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (debed0d665da4e8a)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\ProductIcon = "C:\\Windows\\Installer\\{E8E19557-5909-80E5-EAC7-AFC66591AB6D}\\DefaultIcon"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\1FE9A6C9B907ADD9EDEB0D6D56ADE4A8\75591E8E90955E08AE7CFA6C5619BAD6	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\SourceList\Media	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-debed0d665da4e8a\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\75591E8E90955E08AE7CFA6C5619BAD6\SourceList\Net	msiexec.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5596	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	1492	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1492	msiexec.exe
Token: SeSecurityPrivilege	1584	msiexec.exe
Token: SeCreateTokenPrivilege	1492	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1492	msiexec.exe
Token: SeLockMemoryPrivilege	1492	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1492	msiexec.exe
Token: SeMachineAccountPrivilege	1492	msiexec.exe
Token: SeTcbPrivilege	1492	msiexec.exe
Token: SeSecurityPrivilege	1492	msiexec.exe
Token: SeTakeOwnershipPrivilege	1492	msiexec.exe
Token: SeLoadDriverPrivilege	1492	msiexec.exe
Token: SeSystemProfilePrivilege	1492	msiexec.exe
Token: SeSystemtimePrivilege	1492	msiexec.exe
Token: SeProfSingleProcessPrivilege	1492	msiexec.exe
Token: SeIncBasePriorityPrivilege	1492	msiexec.exe
Token: SeCreatePagefilePrivilege	1492	msiexec.exe
Token: SeCreatePermanentPrivilege	1492	msiexec.exe
Token: SeBackupPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeShutdownPrivilege	1492	msiexec.exe
Token: SeDebugPrivilege	1492	msiexec.exe
Token: SeAuditPrivilege	1492	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1492	msiexec.exe
Token: SeChangeNotifyPrivilege	1492	msiexec.exe
Token: SeRemoteShutdownPrivilege	1492	msiexec.exe
Token: SeUndockPrivilege	1492	msiexec.exe
Token: SeSyncAgentPrivilege	1492	msiexec.exe
Token: SeEnableDelegationPrivilege	1492	msiexec.exe
Token: SeManageVolumePrivilege	1492	msiexec.exe
Token: SeImpersonatePrivilege	1492	msiexec.exe
Token: SeCreateGlobalPrivilege	1492	msiexec.exe
Token: SeCreateTokenPrivilege	1492	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1492	msiexec.exe
Token: SeLockMemoryPrivilege	1492	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1492	msiexec.exe
Token: SeMachineAccountPrivilege	1492	msiexec.exe
Token: SeTcbPrivilege	1492	msiexec.exe
Token: SeSecurityPrivilege	1492	msiexec.exe
Token: SeTakeOwnershipPrivilege	1492	msiexec.exe
Token: SeLoadDriverPrivilege	1492	msiexec.exe
Token: SeSystemProfilePrivilege	1492	msiexec.exe
Token: SeSystemtimePrivilege	1492	msiexec.exe
Token: SeProfSingleProcessPrivilege	1492	msiexec.exe
Token: SeIncBasePriorityPrivilege	1492	msiexec.exe
Token: SeCreatePagefilePrivilege	1492	msiexec.exe
Token: SeCreatePermanentPrivilege	1492	msiexec.exe
Token: SeBackupPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeShutdownPrivilege	1492	msiexec.exe
Token: SeDebugPrivilege	1492	msiexec.exe
Token: SeAuditPrivilege	1492	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1492	msiexec.exe
Token: SeChangeNotifyPrivilege	1492	msiexec.exe
Token: SeRemoteShutdownPrivilege	1492	msiexec.exe
Token: SeUndockPrivilege	1492	msiexec.exe
Token: SeSyncAgentPrivilege	1492	msiexec.exe
Token: SeEnableDelegationPrivilege	1492	msiexec.exe
Token: SeManageVolumePrivilege	1492	msiexec.exe
Token: SeImpersonatePrivilege	1492	msiexec.exe
Token: SeCreateGlobalPrivilege	1492	msiexec.exe
Token: SeCreateTokenPrivilege	1492	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1492	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1492	msiexec.exe
1492	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1492	msiexec.exe
1584	msiexec.exe
3552	MsiExec.exe
4896	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5596 wrote to memory of 1492	5596	ScreenConnect.ClientSetup.exe	88
PID 1584 wrote to memory of 3552	1584	msiexec.exe	90
PID 3552 wrote to memory of 3060	3552	MsiExec.exe	91
PID 1584 wrote to memory of 5832	1584	msiexec.exe	96
PID 1584 wrote to memory of 4896	1584	msiexec.exe	98

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:5596
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\debed0d665da4e8a\ScreenConnect.ClientSetup.msi"
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:1492

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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1584
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 4640BA576D416DCB10BB19CE4CB97F15 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3552
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI58D4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240736625 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3060
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:5832
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 4F223D66F73888273F302F75A00DE276
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4896

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:2052

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

e59a8f9.rbs

Path C:\Config.Msi\e59a8f9.rbs
Size 10KB
SHA256 363743cc04f76095e2039c149074bff0b2ea87797fa685fefb50a3e80fc0667c
MD5 8659b3eda95365d3c0a1d0a4c6058e76
SHA1 10219abca344c323548897b9484ebab17d024136
SHA512 0c5bb890f0274f1e8318c41b92974e70577d735dcadd3dc9b413bda10b4704b747957d8535d18bd53f4895494679e5df2f54821d0bec6c56cca605bc2a3f5e55
SSDEEP 96:JDjRcCvvEzMl2klAfmHGZjufuyuWC+VMZhCmUagfIHCsThq6qUagfIHC6jncX592:J92azHWrWC6ZAiIFAiXRfSPTp7
TLSH
T1192201017A00A1F2F6D32737CB470B703BB1ADA45304629F95CCA6795F62BC95BB86C6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI58D4.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI58D4.tmp
Size 1.0MB
SHA256 0918d8ab2237368a5cec8ce99261fb07a1a1beeda20464c0f91af0fe3349636b
MD5 8a8767f589ea2f2c7496b63d8ccc2552
SHA1 cc5de8dd18e7117d8f2520a51edb1d165cae64b0
SHA512 518231213ca955acdf37b4501fde9c5b15806d4fc166950eb8706e8d3943947cf85324faee806d7df828485597eceffcfa05ca1a5d8ab1bd51ed12df963a1fe4
SSDEEP 24576:QUUGGHn+rUGemcPe9MpKL4Plb2sZWV+tLv0QYu5OPthT+gd:jGHpRPqMpvlqs0O4iO2k
TLSH
T18C35231873E9C436F5E679385E32A1D205FCBE764E70904E6B99292C0DB0F82D6B4763
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Microsoft.Deployment.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI58D4.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\MSI58D4.tmp-\ScreenConnect.Core.dll
Size 536KB
SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
MD5 14e7489ffebbb5a2ea500f796d881ad9
SHA1 0323ee0e1faa4aa0e33fb6c6147290aa71637ebd
SHA512 2110113240b7d803d8271139e0a2439dbc86ae8719ecd8b132bbda2520f22dc3f169598c8e966ac9c0a40e617219cb8fe8aac674904f6a1ae92d4ac1e20627cd
SSDEEP 12288:xC2YKhQCNc6kVTplfWL/YTHUYCBdySISYz:HhE6O7WL/EC
TLSH
T12BC47D2233AC9A2EC56E133BB072915DC5F0E906351AF79F76C5E5BC2EC27450E112EA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.InstallerActions.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI58D4.tmp-\ScreenConnect.InstallerActions.dll
Size 11KB
SHA256 d727a640723d192aa3ece213a173381682041cb28d8bd71781524dbae3ddbf62
MD5 73a24164d8408254b77f3a2c57a22ab4
SHA1 ea0215721f66a93d67019d11c4e588a547cc2ad6
SHA512 650d4320d9246aaecd596ac8b540bf7612ec7a8f60ecaa6e9c27b547b751386222ab926d0c915698d0bb20556475da507895981c072852804f0b42fdda02b844
SSDEEP 192:V8/Qp6lCJuV3jHXtyVNamVNG1YZfCrMmbfHJ7kjvLjbuLd9NEFbM64:y/cBJaLXt2NaheUrMmb/FkjvLjbuZj64
TLSH
T1F932E70077DC533AE8BE1F78EEB361910A71FB64A011DF2E18CCA1569C367449EA07A3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.Windows.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI58D4.tmp-\ScreenConnect.Windows.dll
Size 1.6MB
SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
MD5 9ad3964ba3ad24c42c567e47f88c82b2
SHA1 6b4b581fc4e3ecb91b24ec601daa0594106bcc5d
SHA512 ce557a89c0fe6de59046116c1e262a36bbc3d561a91e44dcda022bef72cb75742c8b01bedcc5b9b999e07d8de1f94c665dd85d277e981b27b6bfebeaf9e58097
SSDEEP 24576:dx5xeYkYFj+Ifz3zvnXj/zXzvAAkGz8mvgtX79S+2bfh+RfmT01krTFiH4SqfKPo:dx5xTkYJkGYYpT0+TFiH7efP
TLSH
T1DC85BD41E2C365F5D46B047888BF572ABA743C080315CAFB97D4AE396D33BC09A36756
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.ClientSetup.msi

Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\debed0d665da4e8a\ScreenConnect.ClientSetup.msi
Size 12.7MB
SHA256 a65835e7c1500767e1923f3b8db37ea14b1b252b4b4f5c97302ab7d1fec630cc
MD5 0e384837a1dc68f7bd8d313a596a468e
SHA1 5829dd35477b1bb700f0233fc3ebfb3621e83b93
SHA512 376de2bfaea4b1f5c5e70b976b17a57e4ba0120cc39a037697b704da43b54c61c26cbf9909f0c333ea055aea4090263bcf716992d344acce88ba8e769fd5e618
SSDEEP 196608:MWh0cGwwWh0cG6Wh0cGrWh0cG3Wh0cGpWh0cGWWh0cGy:MWaceWacjWacIWacQWacAWacFWacP
TLSH
T19BD6232523FD441AF8F74A79FD3682E46D72BE64CF21C11E9228B90D2A74D4096727B3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIAED5.tmp

Path C:\Windows\Installer\MSIAED5.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 26.1MB
SHA256 4f03ba7fedf72dcb9261acff9289d403cc1e5b2b2476d1d7c1a44dd240a3215e
MD5 4cfa1f367ac41a65cf4b808bec12fc66
SHA1 5140c043ecc772b351538c92de1e784b8cb79e66
SHA512 ab3ba0e9d7dbab451dfaad961ee363611765774e4c23492c06d65cab9735e953f96ce6a806d2a74bd0156481b6ed672bd70362a3c4dfa2233894b51d67cb4e9b
SSDEEP 24576:eFo3DMPndoO/vvTL/iQrLyVwvbOxwLsoUmdJN2Vj9OFKZsaL84xG7CRa/er:IHY
TLSH
T19157942436F92100E7F79E3CA8F46A23493ABD5BAC15DE8D45411B4E0922F71E872F67
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{d068bf25-ec1c-4a0f-bb6f-cf1c7b43d387}_OnDiskSnapshotProp

Path \??\Volume{833668ed-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d068bf25-ec1c-4a0f-bb6f-cf1c7b43d387}_OnDiskSnapshotProp
Size 6KB
SHA256 167ec7660af086e236807cc30a7450722e56df9c6f94172416a1e4f2fc20fcdc
MD5 e1ceec6932f633d2c4cf8554a87a559f
SHA1 d0c146e2aaa1e6cdbc363ccf96095cad9d7d9cc3
SHA512 b3cea31fd77e1deac6a49be2220ae1edb4e0a0c43afa5ed25fd66e701bb158401e976ced050b94fab338289d0d913a441c280963906421738aa5ac007ea5c680
SSDEEP 96:F4uhrdvc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:Cuzb++uVm
TLSH
T1EBD188085AF54311E2B3AB3128F14557A837B811FF33CB8E0198238E6631A10F935F6B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3060-44-0x00000000058F0000-0x0000000005A9A000-memory.dmp

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memory/3060-40-0x0000000005650000-0x00000000056DC000-memory.dmp

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memory/3060-36-0x0000000003520000-0x000000000352A000-memory.dmp

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memory/3060-32-0x00000000034E0000-0x000000000350E000-memory.dmp

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memory/5596-7-0x0000000005A70000-0x0000000005C1A000-memory.dmp

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memory/5596-13-0x0000000074920000-0x00000000750DC000-memory.dmp

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memory/5596-10-0x0000000074920000-0x00000000750DC000-memory.dmp

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memory/5596-9-0x0000000006610000-0x0000000006BCA000-memory.dmp

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memory/5596-8-0x0000000074920000-0x00000000750DC000-memory.dmp

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memory/5596-5-0x00000000059B0000-0x00000000059D2000-memory.dmp

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memory/5596-0-0x0000000074932000-0x0000000074933000-memory.dmp

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memory/5596-6-0x0000000074920000-0x00000000750DC000-memory.dmp

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memory/5596-4-0x0000000005900000-0x000000000598C000-memory.dmp

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memory/5596-3-0x0000000005D60000-0x0000000006050000-memory.dmp

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memory/5596-2-0x0000000074920000-0x00000000750DC000-memory.dmp

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memory/5596-1-0x0000000003330000-0x0000000003338000-memory.dmp

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