0bc5d51f8efe5fcb7293ef438ab7d90729b530bbca808a1a5fb10fd4638c5637

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/06/2026, 17:50

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General

Target
_0bc5d51f8efe5fcb7293ef438ab7d90729b530bbca808a1a5fb10fd4638c5637.exe
Size 5.4MB
Sample260623-wembasez6x
SHA256 0bc5d51f8efe5fcb7293ef438ab7d90729b530bbca808a1a5fb10fd4638c5637
MD5 b9c44e860de162f8f8430a5ce7b0d81b
SHA1 9bbd377656ad180831a8ba2219c04bc36c3225f9
SHA512 846becc72cb3c066713b8e77c3998b65bc5ffb44214422a61acca56398039a24948b700d504203ef4cd1e3bafcc4ce436ebb85cd523ee53baa8aafaad9c3e239
SSDEEP 49152:TEEL5cx5xTkYJkGYYpT0+TFiH7efP8Q1yJJ4ZD1F5z97oL1YbGQ+okRPGHpRPqMu:cEs6efPNwJ4t1h0cG5FGJRPxow8OQR
TLSH
T10F46E111B3DA95B9D4BF063CD87A92699A74BC044712C7EF53D4BD2D2D32BC04A323A6
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/4904-2-0x0000000006150000-0x0000000006440000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
2784	MsiExec.exe
4468	rundll32.exe
4468	rundll32.exe
4468	rundll32.exe
4468	rundll32.exe
4468	rundll32.exe
4468	rundll32.exe
4468	rundll32.exe
4468	rundll32.exe
4468	rundll32.exe
5756	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)	\??\D:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\O:	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)	\??\P:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (090afb3a0a13bcf5)\Client.Override.resources	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 created	C:\Windows\SystemTemp\~DFC7FFBBCF98D47DFA.TMP	msiexec.exe
File created	C:\Windows\Installer\SourceHash{2B753268-E967-5CCF-D36C-38D9CF94848E}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEEDF.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\{2B753268-E967-5CCF-D36C-38D9CF94848E}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF703CB333E43AD0F0.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DFE6F9E8F8996FC5A4.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEF0F.tmp	msiexec.exe
File created	C:\Windows\Installer\e58e973.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e58e971.msi	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\SystemTemp\~DF929B7D69E186EA5A.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\{2B753268-E967-5CCF-D36C-38D9CF94848E}\DefaultIcon	msiexec.exe
File created	C:\Windows\Installer\e58e971.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	_0bc5d51f8efe5fcb7293ef438ab7d90729b530bbca808a1a5fb10fd4638c5637.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\SourceList\Media\1 = ";"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\862357B2769EFCC53DC6839DFC4948E8\Full	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\PackageCode = "862357B2769EFCC53DC6839DFC4948E8"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\Version = "402849799"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\AdvertiseFlags = "388"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-090afb3a0a13bcf5	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\ProductIcon = "C:\\Windows\\Installer\\{2B753268-E967-5CCF-D36C-38D9CF94848E}\\DefaultIcon"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\24.3.7.9067\\090afb3a0a13bcf5\\"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-090afb3a0a13bcf5\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-090afb3a0a13bcf5\shell\open\command	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-090afb3a0a13bcf5\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\InstanceType = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-090afb3a0a13bcf5	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-090afb3a0a13bcf5\shell	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\ProductName = "ScreenConnect Client (090afb3a0a13bcf5)"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\5015359A7E311AC590A0BFA3A031CB5F\862357B2769EFCC53DC6839DFC4948E8	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\24.3.7.9067\\090afb3a0a13bcf5\\"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-090afb3a0a13bcf5\URL Protocol	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\Assignment = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-090afb3a0a13bcf5\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\SourceList\Media	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\Clients = 3a0000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-090afb3a0a13bcf5\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (090afb3a0a13bcf5)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\862357B2769EFCC53DC6839DFC4948E8	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\5015359A7E311AC590A0BFA3A031CB5F	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\SourceList	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\862357B2769EFCC53DC6839DFC4948E8\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1872	msiexec.exe
1872	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4904	_0bc5d51f8efe5fcb7293ef438ab7d90729b530bbca808a1a5fb10fd4638c5637.exe
Token: SeShutdownPrivilege	1652	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1652	msiexec.exe
Token: SeSecurityPrivilege	1872	msiexec.exe
Token: SeCreateTokenPrivilege	1652	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1652	msiexec.exe
Token: SeLockMemoryPrivilege	1652	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1652	msiexec.exe
Token: SeMachineAccountPrivilege	1652	msiexec.exe
Token: SeTcbPrivilege	1652	msiexec.exe
Token: SeSecurityPrivilege	1652	msiexec.exe
Token: SeTakeOwnershipPrivilege	1652	msiexec.exe
Token: SeLoadDriverPrivilege	1652	msiexec.exe
Token: SeSystemProfilePrivilege	1652	msiexec.exe
Token: SeSystemtimePrivilege	1652	msiexec.exe
Token: SeProfSingleProcessPrivilege	1652	msiexec.exe
Token: SeIncBasePriorityPrivilege	1652	msiexec.exe
Token: SeCreatePagefilePrivilege	1652	msiexec.exe
Token: SeCreatePermanentPrivilege	1652	msiexec.exe
Token: SeBackupPrivilege	1652	msiexec.exe
Token: SeRestorePrivilege	1652	msiexec.exe
Token: SeShutdownPrivilege	1652	msiexec.exe
Token: SeDebugPrivilege	1652	msiexec.exe
Token: SeAuditPrivilege	1652	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1652	msiexec.exe
Token: SeChangeNotifyPrivilege	1652	msiexec.exe
Token: SeRemoteShutdownPrivilege	1652	msiexec.exe
Token: SeUndockPrivilege	1652	msiexec.exe
Token: SeSyncAgentPrivilege	1652	msiexec.exe
Token: SeEnableDelegationPrivilege	1652	msiexec.exe
Token: SeManageVolumePrivilege	1652	msiexec.exe
Token: SeImpersonatePrivilege	1652	msiexec.exe
Token: SeCreateGlobalPrivilege	1652	msiexec.exe
Token: SeCreateTokenPrivilege	1652	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1652	msiexec.exe
Token: SeLockMemoryPrivilege	1652	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1652	msiexec.exe
Token: SeMachineAccountPrivilege	1652	msiexec.exe
Token: SeTcbPrivilege	1652	msiexec.exe
Token: SeSecurityPrivilege	1652	msiexec.exe
Token: SeTakeOwnershipPrivilege	1652	msiexec.exe
Token: SeLoadDriverPrivilege	1652	msiexec.exe
Token: SeSystemProfilePrivilege	1652	msiexec.exe
Token: SeSystemtimePrivilege	1652	msiexec.exe
Token: SeProfSingleProcessPrivilege	1652	msiexec.exe
Token: SeIncBasePriorityPrivilege	1652	msiexec.exe
Token: SeCreatePagefilePrivilege	1652	msiexec.exe
Token: SeCreatePermanentPrivilege	1652	msiexec.exe
Token: SeBackupPrivilege	1652	msiexec.exe
Token: SeRestorePrivilege	1652	msiexec.exe
Token: SeShutdownPrivilege	1652	msiexec.exe
Token: SeDebugPrivilege	1652	msiexec.exe
Token: SeAuditPrivilege	1652	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1652	msiexec.exe
Token: SeChangeNotifyPrivilege	1652	msiexec.exe
Token: SeRemoteShutdownPrivilege	1652	msiexec.exe
Token: SeUndockPrivilege	1652	msiexec.exe
Token: SeSyncAgentPrivilege	1652	msiexec.exe
Token: SeEnableDelegationPrivilege	1652	msiexec.exe
Token: SeManageVolumePrivilege	1652	msiexec.exe
Token: SeImpersonatePrivilege	1652	msiexec.exe
Token: SeCreateGlobalPrivilege	1652	msiexec.exe
Token: SeCreateTokenPrivilege	1652	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1652	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1652	msiexec.exe
1652	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1652	msiexec.exe
1872	msiexec.exe
2784	MsiExec.exe
5756	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 1652	4904	_0bc5d51f8efe5fcb7293ef438ab7d90729b530bbca808a1a5fb10fd4638c5637.exe	88
PID 1872 wrote to memory of 2784	1872	msiexec.exe	90
PID 2784 wrote to memory of 4468	2784	MsiExec.exe	91
PID 1872 wrote to memory of 5744	1872	msiexec.exe	96
PID 1872 wrote to memory of 5756	1872	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\_0bc5d51f8efe5fcb7293ef438ab7d90729b530bbca808a1a5fb10fd4638c5637.exe
"C:\Users\Admin\AppData\Local\Temp\_0bc5d51f8efe5fcb7293ef438ab7d90729b530bbca808a1a5fb10fd4638c5637.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\090afb3a0a13bcf5\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:1652

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:1872
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 1BC00D701B9C19704FDA0D4525B1A2A7 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA96A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240691765 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4468
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:5744
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 7A7E073D5E0607B43E66395E735B555F
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5756

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:3952

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

e58e972.rbs

Path C:\Config.Msi\e58e972.rbs
Size 10KB
SHA256 7013e5780d93825a5cdc9fb33d8d6259ab9ff8146363fa913e7bfeb6a6a8f0b0
MD5 fa07b43b6ef495f9b5043f4998775a14
SHA1 c5ffe398a190475a6398d173e870aa02775ffe0e
SHA512 997220ee4ca4e32355fdb107963c0f14701117337e38d8c0d468d2bad2e5a8c72da4578a36dc4f91b9baf1497630d36ec8c08be50fb1b844d42d4722762d1385
SSDEEP 96:MOQiG6H8AOOYG6jzfJiNCrgymUtaHCsThqDUtaHC6jenJEThqhHNr5SBOLY939Om:Mj6H8XdANCrZ8iI18iEq3Lmbp/
TLSH
T13522FE127304A5D1FA471B73D7031A103B72CEB45215B69F69C896B89F933892B7C2DB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIA96A.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSIA96A.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

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Microsoft.Deployment.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSIA96A.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\MSIA96A.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\MSIA96A.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\MSIA96A.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\090afb3a0a13bcf5\ScreenConnect.ClientSetup.msi
Size 12.9MB
SHA256 901254e2c3c93c52f677fc1083d1b119f329f6ba443f39366729d97654fded39
MD5 e07570f650dfe59836c37c58b7ebf70e
SHA1 d388bccca8e42bf2d28b7c125c69eee9356ea789
SHA512 717e9ddca0cde1b6f55c47d7f518d85056490d21412b28362cd16b8d1f7b4da7d3311b3d92e77aab819180d0b5329e0834c7bcb5ffc83b0fc0077881a24f8fbf
SSDEEP 196608:RWh0cGwVWh0cG4Wh0cGSWh0cGXWh0cGAWh0cGuWh0cG2:RWacnWacRWaclWaccWacRWac9WacH
TLSH
T140D6232523FD405AF8F74B79FD3682A46D72BE68CF21C11E5228B90D2A74D4096727B3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIEF0F.tmp

Path C:\Windows\Installer\MSIEF0F.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 32d8c10522e0eb1ab4456aa36a1ffe13f69ba4358c1fa58ccf8ea503a0d09282
MD5 8ac2d31c154305a3a5cafee4cae4450f
SHA1 6696eadec5604cd0ff9d5709627f0a71884ae1ff
SHA512 d01f1647a04aabedac549ad20ee548684eb2cc874bd1b50f8c2e51d974b9c31500d7df21746790581ad954405013d67a4162ec0ddb2aeb1b495921159b7b525e
SSDEEP 24576:BFo3DMPLdoO/vvTL/iQrLyVwvbOxwLsoUmdJN2Vj9OFKZsaL84xG7CRa/er:fHY
TLSH
T1B457942436F92100E7F79E3CA8F46A23493ABD5BAC15DE8D45411B4E0922F71E872F67
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{000da1a8-d604-43d1-8e6d-8564dceb6805}_OnDiskSnapshotProp

Path \??\Volume{833668ed-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{000da1a8-d604-43d1-8e6d-8564dceb6805}_OnDiskSnapshotProp
Size 6KB
SHA256 bfd615c59d27014f70044f05b7c4578c7fe15bb24f3df86b6fdd4f64f11a0c6c
MD5 e97ce39474f93bf80d32029552001232
SHA1 6265eef332472d80bac1c814126020290c4a4583
SHA512 28a438ab599b9c594c5934c7617a68dfd28c3320fd46af19a3f9cbf0865c1868b70cc9435d1e2953c22155587013b550cd922e51b108f6dc85949edba7b1f1d9
SSDEEP 96:FHu4rovc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:Jufb++uVm
TLSH
T1D6D199084AF54311E2B3AB3129F14557A877B811FF33CB8E0198238E2631A10F935F6B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1872-88-0x000001E69A790000-0x000001E69A85D000-memory.dmp

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memory/4468-40-0x0000000005F90000-0x000000000601C000-memory.dmp

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memory/4468-36-0x0000000005EF0000-0x0000000005EFA000-memory.dmp

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memory/4468-44-0x00000000061D0000-0x000000000637A000-memory.dmp

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memory/4468-32-0x0000000005EB0000-0x0000000005EDE000-memory.dmp

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memory/4904-4-0x0000000074980000-0x000000007513C000-memory.dmp

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memory/4904-13-0x0000000074980000-0x000000007513C000-memory.dmp

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memory/4904-10-0x0000000074980000-0x000000007513C000-memory.dmp

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memory/4904-9-0x0000000074980000-0x000000007513C000-memory.dmp

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memory/4904-8-0x0000000006A00000-0x0000000006FBA000-memory.dmp

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memory/4904-7-0x0000000074980000-0x000000007513C000-memory.dmp

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memory/4904-0-0x0000000074992000-0x0000000074993000-memory.dmp

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memory/4904-6-0x0000000005E50000-0x0000000005FFA000-memory.dmp

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memory/4904-5-0x0000000003650000-0x0000000003672000-memory.dmp

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memory/4904-3-0x00000000037F0000-0x000000000387C000-memory.dmp

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memory/4904-2-0x0000000006150000-0x0000000006440000-memory.dmp

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memory/4904-1-0x0000000003610000-0x0000000003618000-memory.dmp

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