0ad7f891ca02d0f11a3209211f3f6543393774f317dcad291628d9d7c7f0865e

Analysis

max time kernel
149s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260617-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/06/2026, 17:49

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General

Target
_0ad7f891ca02d0f11a3209211f3f6543393774f317dcad291628d9d7c7f0865e.exe
Size 5.4MB
Sample260623-wef5aaez6s
SHA256 0ad7f891ca02d0f11a3209211f3f6543393774f317dcad291628d9d7c7f0865e
MD5 191436a9bea707bb25df754d19c21bdd
SHA1 f1bd6ff941a407a1808ad64da138bc5c10f6a80a
SHA512 3d96da1937fe3bdac174543cc98b000b40532d9fc8fe70dbb39f294ee8d89cdf5791c01f17f62bbb8eb3c250e5c90eb0e9d7a687fc34f1f588746723470a26ea
SSDEEP 98304:azIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zl:ahfefPtHxcp9ym3nltDUJV
TLSH
T1CD46E101B3D695B6D4BF1638D87A56A56734BC049312CBBF5394BD392E32BC04E323A6
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/4820-2-0x00000000056F0000-0x00000000059E2000-memory.dmp	revoked_cert_connectwise

Loads dropped DLL 11 IoCs

pid	Process
2876	MsiExec.exe
1528	rundll32.exe
1528	rundll32.exe
1528	rundll32.exe
1528	rundll32.exe
1528	rundll32.exe
1528	rundll32.exe
1528	rundll32.exe
1528	rundll32.exe
1528	rundll32.exe
6032	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)	\??\O:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
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)	\??\R:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\D:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	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)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\Client.Override.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (4383f0e578a430c3)\ScreenConnect.ClientService.exe	msiexec.exe

Drops file in Windows directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSI8747.tmp	msiexec.exe
File created	C:\Windows\Installer\e59818c.msi	msiexec.exe
File created	C:\Windows\SystemTemp\~DF631E4ECC6AA1578F.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\{447C3CA8-F2C8-77B8-B2EB-A9910E96C41B}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF08FB448AF5294BD2.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DF06AA672E7C25CB67.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DFDEFED5FFFD3906F6.TMP	msiexec.exe
File created	C:\Windows\Installer\e59818a.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e59818a.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI8777.tmp	msiexec.exe
File created	C:\Windows\Installer\{447C3CA8-F2C8-77B8-B2EB-A9910E96C41B}\DefaultIcon	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\Installer\SourceHash{447C3CA8-F2C8-77B8-B2EB-A9910E96C41B}	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	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	_0ad7f891ca02d0f11a3209211f3f6543393774f317dcad291628d9d7c7f0865e.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 = 00000000040000005c0864d100437b2a0000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c01200000000000000000000000027010100008838015c0864d10000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e841015c0864d1000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e35c0864d100000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e65c0864d100000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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\8AC3C7448C2F8B772BBE9A19E0694CB1\ProductName = "ScreenConnect Client (4383f0e578a430c3)"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\PackageCode = "8AC3C7448C2F8B772BBE9A19E0694CB1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\SourceList\Net	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\4383f0e578a430c3\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-4383f0e578a430c3\shell	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-4383f0e578a430c3	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\ProductIcon = "C:\\Windows\\Installer\\{447C3CA8-F2C8-77B8-B2EB-A9910E96C41B}\\DefaultIcon"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\70F284570D502ED334380F5E874A033C	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\SourceList\Media\1 = ";"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\4383f0e578a430c3\\"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-4383f0e578a430c3\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\InstanceType = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-4383f0e578a430c3\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\8AC3C7448C2F8B772BBE9A19E0694CB1	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\AdvertiseFlags = "388"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\70F284570D502ED334380F5E874A033C\8AC3C7448C2F8B772BBE9A19E0694CB1	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\Version = "419561476"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\AuthorizedLUAApp = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-4383f0e578a430c3\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\8AC3C7448C2F8B772BBE9A19E0694CB1\Full	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\DeploymentFlags = "3"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\8AC3C7448C2F8B772BBE9A19E0694CB1\SourceList	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-4383f0e578a430c3\URL Protocol	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-4383f0e578a430c3	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-4383f0e578a430c3\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-4383f0e578a430c3\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (4383f0e578a430c3)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1688	msiexec.exe
1688	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	_0ad7f891ca02d0f11a3209211f3f6543393774f317dcad291628d9d7c7f0865e.exe
Token: SeShutdownPrivilege	464	msiexec.exe
Token: SeIncreaseQuotaPrivilege	464	msiexec.exe
Token: SeSecurityPrivilege	1688	msiexec.exe
Token: SeCreateTokenPrivilege	464	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	464	msiexec.exe
Token: SeLockMemoryPrivilege	464	msiexec.exe
Token: SeIncreaseQuotaPrivilege	464	msiexec.exe
Token: SeMachineAccountPrivilege	464	msiexec.exe
Token: SeTcbPrivilege	464	msiexec.exe
Token: SeSecurityPrivilege	464	msiexec.exe
Token: SeTakeOwnershipPrivilege	464	msiexec.exe
Token: SeLoadDriverPrivilege	464	msiexec.exe
Token: SeSystemProfilePrivilege	464	msiexec.exe
Token: SeSystemtimePrivilege	464	msiexec.exe
Token: SeProfSingleProcessPrivilege	464	msiexec.exe
Token: SeIncBasePriorityPrivilege	464	msiexec.exe
Token: SeCreatePagefilePrivilege	464	msiexec.exe
Token: SeCreatePermanentPrivilege	464	msiexec.exe
Token: SeBackupPrivilege	464	msiexec.exe
Token: SeRestorePrivilege	464	msiexec.exe
Token: SeShutdownPrivilege	464	msiexec.exe
Token: SeDebugPrivilege	464	msiexec.exe
Token: SeAuditPrivilege	464	msiexec.exe
Token: SeSystemEnvironmentPrivilege	464	msiexec.exe
Token: SeChangeNotifyPrivilege	464	msiexec.exe
Token: SeRemoteShutdownPrivilege	464	msiexec.exe
Token: SeUndockPrivilege	464	msiexec.exe
Token: SeSyncAgentPrivilege	464	msiexec.exe
Token: SeEnableDelegationPrivilege	464	msiexec.exe
Token: SeManageVolumePrivilege	464	msiexec.exe
Token: SeImpersonatePrivilege	464	msiexec.exe
Token: SeCreateGlobalPrivilege	464	msiexec.exe
Token: SeCreateTokenPrivilege	464	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	464	msiexec.exe
Token: SeLockMemoryPrivilege	464	msiexec.exe
Token: SeIncreaseQuotaPrivilege	464	msiexec.exe
Token: SeMachineAccountPrivilege	464	msiexec.exe
Token: SeTcbPrivilege	464	msiexec.exe
Token: SeSecurityPrivilege	464	msiexec.exe
Token: SeTakeOwnershipPrivilege	464	msiexec.exe
Token: SeLoadDriverPrivilege	464	msiexec.exe
Token: SeSystemProfilePrivilege	464	msiexec.exe
Token: SeSystemtimePrivilege	464	msiexec.exe
Token: SeProfSingleProcessPrivilege	464	msiexec.exe
Token: SeIncBasePriorityPrivilege	464	msiexec.exe
Token: SeCreatePagefilePrivilege	464	msiexec.exe
Token: SeCreatePermanentPrivilege	464	msiexec.exe
Token: SeBackupPrivilege	464	msiexec.exe
Token: SeRestorePrivilege	464	msiexec.exe
Token: SeShutdownPrivilege	464	msiexec.exe
Token: SeDebugPrivilege	464	msiexec.exe
Token: SeAuditPrivilege	464	msiexec.exe
Token: SeSystemEnvironmentPrivilege	464	msiexec.exe
Token: SeChangeNotifyPrivilege	464	msiexec.exe
Token: SeRemoteShutdownPrivilege	464	msiexec.exe
Token: SeUndockPrivilege	464	msiexec.exe
Token: SeSyncAgentPrivilege	464	msiexec.exe
Token: SeEnableDelegationPrivilege	464	msiexec.exe
Token: SeManageVolumePrivilege	464	msiexec.exe
Token: SeImpersonatePrivilege	464	msiexec.exe
Token: SeCreateGlobalPrivilege	464	msiexec.exe
Token: SeCreateTokenPrivilege	464	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	464	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
464	msiexec.exe
464	msiexec.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
464	msiexec.exe
1688	msiexec.exe
2876	MsiExec.exe
6032	MsiExec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 464	4820	_0ad7f891ca02d0f11a3209211f3f6543393774f317dcad291628d9d7c7f0865e.exe	88
PID 1688 wrote to memory of 2876	1688	msiexec.exe	90
PID 2876 wrote to memory of 1528	2876	MsiExec.exe	91
PID 1688 wrote to memory of 3196	1688	msiexec.exe	96
PID 1688 wrote to memory of 6032	1688	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\_0ad7f891ca02d0f11a3209211f3f6543393774f317dcad291628d9d7c7f0865e.exe
"C:\Users\Admin\AppData\Local\Temp\_0ad7f891ca02d0f11a3209211f3f6543393774f317dcad291628d9d7c7f0865e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\4383f0e578a430c3\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:464

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:1688
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding D1C8596AAB09CFE7F199A079FCF67254 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3F22.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240730109 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1528
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:3196
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding CADD6FCDAAB4D80AC2A5E8DDE03B776F
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:6032

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:4716

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

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Downloads

e59818b.rbs

Path C:\Config.Msi\e59818b.rbs
Size 10KB
SHA256 4f6b3297ed5a2b4cb657ff3e5f3e144cb85845377e2d1cdb34a64ae0f712547c
MD5 e8d7d76f941952bc589b052293d88ee7
SHA1 ad530f3876db8d695ee162d9b3d7cc8dce8ba603
SHA512 b58debdd4c0a87e2dc602b9baa537a65f021ab853c4ff5cbf804c8db88d9d1c53efabfd31a5e6660e7b1fed62ca1dce4966a794957d36bc13e9538e7b19cdb0b
SSDEEP 96:ka3EWCd92SO1e21AtoGIjlfLYbCnqTqg9UthKEiCsThqXhUthKEiC6j8uqj6Thqi:kCegL/mbCGWdhIPdhGQM5hdp9
TLSH
T1B42211107601D5E1F16217B3E3576BD83B72EAF46315A22F49CD903F9A923885BBD0CA
MD5 SHA1 SHA512 SSDEEP TLSH

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MSI3F22.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI3F22.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\MSI3F22.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

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ScreenConnect.Core.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI3F22.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\MSI3F22.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\MSI3F22.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\4383f0e578a430c3\ScreenConnect.ClientSetup.msi
Size 12.8MB
SHA256 a413044f11425f21d7ae9a74758ce431777c654ba3b63ba0c811a20dcfca1706
MD5 3345af24dbf288aa4ce673ccc941ba88
SHA1 bdd0d7201226048bdcc248ac2d2296f19dc5483b
SHA512 3eebf97828f0023fe2251a00d1962df28c69b58ca8f88df7f0b8706dcb8c85e82c40c6882d9a17992c2450649063fc04fdf332c4138faaef72c42d7c44b3a4eb
SSDEEP 196608:qHxcp9ym3nltDUJVDHxcp9ym3iHxcp9ym3vHxcp9ym3tHxcp9ym3tHxcp9ym3zHj:4GplpkGpwGp5GpfGpfGpdGpU
TLSH
T17ED623556BF89728F0F26A39E87664B1A53ABC015D23D12E2324791E2D71EC0CA73773
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSI8777.tmp

Path C:\Windows\Installer\MSI8777.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 cec49491720ee689b2306605dbc7e2ef56b1426d0aa2b3c3096add8d09452394
MD5 87c097c32fbf7e6482304298b7831239
SHA1 634e6a5a20ba8a93c69fb2b4d19b9c740832fed0
SHA512 9dd69ad516f896e862e04e37e209205f06e2b7a5a22f79720f909167f818cb12914b13bb638664a48394e1f7bf00d006d38e3e966163cd0c39e9a352fd58dbad
SSDEEP 24576:VFo3DMPJdoO/vvTL/iA7bSlgvr+xwLcY0GdJNW1jtu1a5MKr84h2bCx6fur:ZH4
TLSH
T1CE57A12436F92600E7B79E7CACF06A234D3A7D5B9C15DE8D45411B4E0822F71E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{4bbf54d4-311a-4539-af66-982cccad6c42}_OnDiskSnapshotProp

Path \??\Volume{d164085c-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{4bbf54d4-311a-4539-af66-982cccad6c42}_OnDiskSnapshotProp
Size 6KB
SHA256 e1a7b010e7dc300adbe3cf11b1ac96c996e603cbedc14a2ee2f1472575f7346d
MD5 1a7e417bca189b11a63c9ccb95fb819f
SHA1 3641d425bfacb573beb26b434d390b8279f2285e
SHA512 31d9fb31229084063f3c01e2f6b4f00b50efab281418e290fbe946189637e7810b19da4f2c00c8c92877d5d8689cbce94406ea9b2be8038a0ff9b83eee69a0f0
SSDEEP 96:F8Q38D9vc6DD84LTHzbOHXOHBlBRQn8Sc9XE56tOSVQpu:N3+b++uVm
TLSH
T1F4D1770C5AF54711E2B3AB7168F14557A837B912EF33CB8E0198238E6631A10F975F6B
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1528-40-0x0000000005930000-0x00000000059BC000-memory.dmp

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memory/1528-36-0x0000000003820000-0x000000000382A000-memory.dmp

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memory/1528-32-0x00000000037F0000-0x000000000381E000-memory.dmp

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memory/1528-44-0x0000000005B70000-0x0000000005D1C000-memory.dmp

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memory/1688-88-0x00000209920C0000-0x0000020992A64000-memory.dmp

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memory/4820-6-0x0000000074EA0000-0x000000007565C000-memory.dmp

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memory/4820-13-0x0000000074EA0000-0x000000007565C000-memory.dmp

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memory/4820-10-0x0000000074EA0000-0x000000007565C000-memory.dmp

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memory/4820-5-0x0000000002C20000-0x0000000002C42000-memory.dmp

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memory/4820-8-0x0000000074EA0000-0x000000007565C000-memory.dmp

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memory/4820-9-0x0000000005FA0000-0x000000000655A000-memory.dmp

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memory/4820-0-0x0000000074EB2000-0x0000000074EB3000-memory.dmp

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memory/4820-7-0x00000000053F0000-0x000000000559C000-memory.dmp

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memory/4820-4-0x00000000052B0000-0x000000000533C000-memory.dmp

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memory/4820-2-0x00000000056F0000-0x00000000059E2000-memory.dmp

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memory/4820-3-0x0000000074EA0000-0x000000007565C000-memory.dmp

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memory/4820-1-0x0000000001330000-0x0000000001338000-memory.dmp

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