f07b7c03905657fe4ae3ebe52ffb81df7c04c520a1688bdaef2a2771240a086a

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/08/2026, 13:59

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General

Target
ScreenConnect.ClientSetup.exe
Size 5.4MB
Sample260822-rafwhavemd
SHA256 f07b7c03905657fe4ae3ebe52ffb81df7c04c520a1688bdaef2a2771240a086a
MD5 aa78486beff678d435e5b9e579f02b46
SHA1 6b7b093ab548435640215dd092346c713fe96883
SHA512 b3a1d2b5807da442bc8d76c52f3ddf52231960f56b24dfbd776150c7c8cf0703e8428adba42e42cdd63969fc65c940b58a22e0322ccc475ba9aaf9b936369d5e
SSDEEP 98304:IzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:IhfefPtHxcp9ym3nltDUJV
TLSH
T1EE46E101B3D695B6D1BF1638D87A52696734BC049316CBBF5394BD392E32BC04E323A6
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/4588-2-0x0000000006120000-0x0000000006412000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
904	MsiExec.exe
2348	rundll32.exe
2348	rundll32.exe
2348	rundll32.exe
2348	rundll32.exe
2348	rundll32.exe
2348	rundll32.exe
2348	rundll32.exe
2348	rundll32.exe
2348	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)	\??\T:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\Y:	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)	\??\S:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (ebb438ef3b5b70e8)\ScreenConnect.Client.dll	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\SystemTemp\~DFDAFE192B96061726.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\{34BD1F34-2F48-1107-6828-E9598E785B56}\DefaultIcon	msiexec.exe
File created	C:\Windows\Installer\e59b29d.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e59b29d.msi	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\Installer\SourceHash{34BD1F34-2F48-1107-6828-E9598E785B56}	msiexec.exe
File created	C:\Windows\SystemTemp\~DFA42EBF36147C1799.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DF0D9D98F935FEC3F9.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB992.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB9B2.tmp	msiexec.exe
File created	C:\Windows\Installer\e59b29f.msi	msiexec.exe
File created	C:\Windows\Installer\{34BD1F34-2F48-1107-6828-E9598E785B56}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF7DB0CDC5BF703378.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
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 = 00000000040000005b2aeec40121f1360000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c01200000000000000000000000027010100008838015b2aeec40000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e841015b2aeec4000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e35b2aeec400000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e65b2aeec400000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe

Modifies data under HKEY_USERS 3 IoCs

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

Modifies registry class 32 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\ebb438ef3b5b70e8\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-ebb438ef3b5b70e8\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (ebb438ef3b5b70e8)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\43F1DB4384F2701186829E95E887B565\Full	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\SourceList\Media	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\shell	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\Language = "1033"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\7598D71CE59FEA7DBE4B83FEB3B5078E\43F1DB4384F2701186829E95E887B565	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\UseOriginalUrlEncoding = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\ProductName = "ScreenConnect Client (ebb438ef3b5b70e8)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\7598D71CE59FEA7DBE4B83FEB3B5078E	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\URL Protocol	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\43F1DB4384F2701186829E95E887B565	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\Version = "419561476"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\ProductIcon = "C:\\Windows\\Installer\\{34BD1F34-2F48-1107-6828-E9598E785B56}\\DefaultIcon"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\InstanceType = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-ebb438ef3b5b70e8	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-ebb438ef3b5b70e8	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\Clients = 3a0000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\ebb438ef3b5b70e8\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\PackageCode = "43F1DB4384F2701186829E95E887B565"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\43F1DB4384F2701186829E95E887B565\SourceList\Media\1 = ";"	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4988	msiexec.exe
4988	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4588	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	3552	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3552	msiexec.exe
Token: SeSecurityPrivilege	4988	msiexec.exe
Token: SeCreateTokenPrivilege	3552	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3552	msiexec.exe
Token: SeLockMemoryPrivilege	3552	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3552	msiexec.exe
Token: SeMachineAccountPrivilege	3552	msiexec.exe
Token: SeTcbPrivilege	3552	msiexec.exe
Token: SeSecurityPrivilege	3552	msiexec.exe
Token: SeTakeOwnershipPrivilege	3552	msiexec.exe
Token: SeLoadDriverPrivilege	3552	msiexec.exe
Token: SeSystemProfilePrivilege	3552	msiexec.exe
Token: SeSystemtimePrivilege	3552	msiexec.exe
Token: SeProfSingleProcessPrivilege	3552	msiexec.exe
Token: SeIncBasePriorityPrivilege	3552	msiexec.exe
Token: SeCreatePagefilePrivilege	3552	msiexec.exe
Token: SeCreatePermanentPrivilege	3552	msiexec.exe
Token: SeBackupPrivilege	3552	msiexec.exe
Token: SeRestorePrivilege	3552	msiexec.exe
Token: SeShutdownPrivilege	3552	msiexec.exe
Token: SeDebugPrivilege	3552	msiexec.exe
Token: SeAuditPrivilege	3552	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3552	msiexec.exe
Token: SeChangeNotifyPrivilege	3552	msiexec.exe
Token: SeRemoteShutdownPrivilege	3552	msiexec.exe
Token: SeUndockPrivilege	3552	msiexec.exe
Token: SeSyncAgentPrivilege	3552	msiexec.exe
Token: SeEnableDelegationPrivilege	3552	msiexec.exe
Token: SeManageVolumePrivilege	3552	msiexec.exe
Token: SeImpersonatePrivilege	3552	msiexec.exe
Token: SeCreateGlobalPrivilege	3552	msiexec.exe
Token: SeCreateTokenPrivilege	3552	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3552	msiexec.exe
Token: SeLockMemoryPrivilege	3552	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3552	msiexec.exe
Token: SeMachineAccountPrivilege	3552	msiexec.exe
Token: SeTcbPrivilege	3552	msiexec.exe
Token: SeSecurityPrivilege	3552	msiexec.exe
Token: SeTakeOwnershipPrivilege	3552	msiexec.exe
Token: SeLoadDriverPrivilege	3552	msiexec.exe
Token: SeSystemProfilePrivilege	3552	msiexec.exe
Token: SeSystemtimePrivilege	3552	msiexec.exe
Token: SeProfSingleProcessPrivilege	3552	msiexec.exe
Token: SeIncBasePriorityPrivilege	3552	msiexec.exe
Token: SeCreatePagefilePrivilege	3552	msiexec.exe
Token: SeCreatePermanentPrivilege	3552	msiexec.exe
Token: SeBackupPrivilege	3552	msiexec.exe
Token: SeRestorePrivilege	3552	msiexec.exe
Token: SeShutdownPrivilege	3552	msiexec.exe
Token: SeDebugPrivilege	3552	msiexec.exe
Token: SeAuditPrivilege	3552	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3552	msiexec.exe
Token: SeChangeNotifyPrivilege	3552	msiexec.exe
Token: SeRemoteShutdownPrivilege	3552	msiexec.exe
Token: SeUndockPrivilege	3552	msiexec.exe
Token: SeSyncAgentPrivilege	3552	msiexec.exe
Token: SeEnableDelegationPrivilege	3552	msiexec.exe
Token: SeManageVolumePrivilege	3552	msiexec.exe
Token: SeImpersonatePrivilege	3552	msiexec.exe
Token: SeCreateGlobalPrivilege	3552	msiexec.exe
Token: SeCreateTokenPrivilege	3552	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3552	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3552	msiexec.exe
3552	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3552	msiexec.exe
4988	msiexec.exe
904	MsiExec.exe
4520	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 3552	4588	ScreenConnect.ClientSetup.exe	89
PID 4988 wrote to memory of 904	4988	msiexec.exe	91
PID 904 wrote to memory of 2348	904	MsiExec.exe	92
PID 4988 wrote to memory of 4596	4988	msiexec.exe	97
PID 4988 wrote to memory of 4520	4988	msiexec.exe	99

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:4588
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\ebb438ef3b5b70e8\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:3552

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:4988
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 526B2FE4E5D700C96FE9F7947A890CCD C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:904
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5BE2.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240737453 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2348
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:4596
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding D16BA870E114A675DD501E5CADB67C13
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4520

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:4212

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

e59b29e.rbs

Path C:\Config.Msi\e59b29e.rbs
Size 10KB
SHA256 cbc31d420327a67998e8d086e97d3d166c570bbfcae0045bd8bfe6ee476b7f5d
MD5 9e3dd99cdbacfa56be95a70960d1856b
SHA1 e8d2b7f24345769a6d84243283ecb4856f1d5abe
SHA512 3e907137f5feb57d022dc996d096cab92dfa4ac0938aa0f73161f96087bfcc86926c5984cdbfbe768e8eadd4d5dffed46fe426bc2e8730aeaa06fd7c597c9f88
SSDEEP 192:itqrsjR8VCvW7hIQ7hWDgnrA4oUnEphDc:igrsj6/7p7SEfoUKc
TLSH
T18F226251B608A4E0F9865B73DB130E243B73DFFA2310124B05CD963A8E92BD9977D2C6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI5BE2.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI5BE2.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

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Microsoft.Deployment.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI5BE2.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\MSI5BE2.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\MSI5BE2.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\MSI5BE2.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\ebb438ef3b5b70e8\ScreenConnect.ClientSetup.msi
Size 12.8MB
SHA256 a7c2c692bdc3bf8678f57119fdde92cc4fd6a48b443b9ced50462b7a20eaff52
MD5 0e9fce07619d68792fe4703e8144adc7
SHA1 352913b3a2e38de575c37bc58e7c63085b6fca10
SHA512 11ab0421edcd7d9cadd52f54b44478fb22b7882708d3997db78b41eadb0b7ac1fdb6d06a7c9aa57522859a9a8e9a5dde89d24b52ea1e5d2736a84be1ef2ab8a8
SSDEEP 196608:aHxcp9ym3nltDUJVjHxcp9ym33Hxcp9ym3hHxcp9ym3VHxcp9ym3yHxcp9ym3mHZ:oGplpIGphGpTGpHGpAGp0GpK
TLSH
T1F5D623116BF89278F0F22A35E876A0B1A5377D525E22D12E2324791E2C75EC0C9B3777
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIB9B2.tmp

Path C:\Windows\Installer\MSIB9B2.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 cb8d7fa06b59d35155d83d1c517ba8dee5a333c9dd52d33e898cc8a5dd8b2ce8
MD5 f75d79dc279d4850a38092e570e48c47
SHA1 e517cdf6f8ebab0648bee8baeca9583e57e3eaf8
SHA512 e54f4c23e176a832093aa56bbbd6d5b2402966c750b291b6c519e9214b141ccd28cf4b9c9a70c487043ac569c78af03ca627abfae9f2bf74bb7003838474cf73
SSDEEP 24576:zFo3DMPsdoO/vvTL/yghRClw/LubKr2iEMHD9MvZHkP6pWQRsYx2RILAVep:2HA
TLSH
T1DC57D12436F92210E7B79E7CB8F06A634D3A7D5B9C15DE8D05411B4E0822F71E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{1a6c97b8-727e-4612-b0a2-401fc0f8bdd8}_OnDiskSnapshotProp

Path \??\Volume{c4ee2a5b-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{1a6c97b8-727e-4612-b0a2-401fc0f8bdd8}_OnDiskSnapshotProp
Size 6KB
SHA256 f81af061017f4b5bb2125372460c77170d1d38e940446287ce1fd7bddf6300a5
MD5 5602e1c466032fced1761bdc2d4906cc
SHA1 fc947b6773c5dd0bb514ff61dcabbca0622dc40e
SHA512 333e9fe02d29e99ab87d1df7a0acf689d011ff369dae87cd8f27cbc88ee569b3163bd2af617cf91b67dba8367e6acf5f4908a41a56c9b1c354cc917efab46818
SSDEEP 96:FdKu4vc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:Xmb++uVm
TLSH
T1EED189081AE54711E2B3AB7129F14557A877B911FF33CB8E0198238E2671910F935F6F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2348-44-0x0000000005B30000-0x0000000005CDC000-memory.dmp

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memory/2348-40-0x00000000058F0000-0x000000000597C000-memory.dmp

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memory/2348-36-0x00000000037E0000-0x00000000037EA000-memory.dmp

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memory/2348-32-0x0000000003800000-0x000000000382E000-memory.dmp

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memory/4588-6-0x0000000005E20000-0x0000000005FCC000-memory.dmp

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memory/4588-13-0x0000000074BF0000-0x00000000753AC000-memory.dmp

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memory/4588-10-0x0000000074BF0000-0x00000000753AC000-memory.dmp

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memory/4588-9-0x0000000074BF0000-0x00000000753AC000-memory.dmp

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memory/4588-8-0x0000000074BF0000-0x00000000753AC000-memory.dmp

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memory/4588-7-0x00000000069D0000-0x0000000006F8A000-memory.dmp

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memory/4588-0-0x0000000074C02000-0x0000000074C03000-memory.dmp

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memory/4588-5-0x00000000036F0000-0x0000000003712000-memory.dmp

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memory/4588-4-0x0000000074BF0000-0x00000000753AC000-memory.dmp

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memory/4588-3-0x0000000005D00000-0x0000000005D8C000-memory.dmp

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memory/4588-2-0x0000000006120000-0x0000000006412000-memory.dmp

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memory/4588-1-0x00000000036A0000-0x00000000036A8000-memory.dmp

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