55db3327bd98150b3f343721ea85084960c1c71722557ca3b82f62738138b974

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
23/06/2026, 13:27

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General

Target
_55db3327bd98150b3f343721ea85084960c1c71722557ca3b82f62738138b974.exe
Size 5.4MB
Sample260623-qqbfaads8x
SHA256 55db3327bd98150b3f343721ea85084960c1c71722557ca3b82f62738138b974
MD5 316d5cd7a836b285db5a62a40d7a2d99
SHA1 3a02cc9c456e9863f9e42e23f036a6e886432bc8
SHA512 d03a4e8397f037c5be9bb6332235778e535ad6ece96c9bf401368ebbb899cbf6fb59f89fed015498477a5c8bb4582ecdcda502fd5944028090a589e768538a00
SSDEEP 98304:xzIus6efPUIdoaxcp8wy5c3trGOlkQ5DUOgJ9zlZ:xhfefPtHxcp9ym3nltDUJV
TLSH
T1D146E101B3D695B6D1BF1638D87A56696774BC048312CBBF5394BD392E32BC08E32366
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
behavioral1/memory/4400-4-0x00000000053F0000-0x00000000056E2000-memory.dmp	revoked_cert_connectwise

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation	_55db3327bd98150b3f343721ea85084960c1c71722557ca3b82f62738138b974.exe

Loads dropped DLL 11 IoCs

pid	Process
3404	MsiExec.exe
3472	rundll32.exe
3472	rundll32.exe
3472	rundll32.exe
3472	rundll32.exe
3472	rundll32.exe
3472	rundll32.exe
3472	rundll32.exe
3472	rundll32.exe
3472	rundll32.exe
4324	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)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	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)	\??\O:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Q:	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)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\Client.Override.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\app.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\system.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (bfdcb532d13ac934)\Client.Override.en-US.resources	msiexec.exe

Drops file in Windows directory 11 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSIA1C9.tmp	msiexec.exe
File created	C:\Windows\Installer\{0DBA143A-FE28-18A6-A4A7-7588706E4ECA}\DefaultIcon	msiexec.exe
File created	C:\Windows\Installer\e58a090.msi	msiexec.exe
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\Installer\SourceHash{0DBA143A-FE28-18A6-A4A7-7588706E4ECA}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIA1F9.tmp	msiexec.exe
File created	C:\Windows\Installer\e58a092.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\{0DBA143A-FE28-18A6-A4A7-7588706E4ECA}\DefaultIcon	msiexec.exe
File opened for modification	C:\Windows\Installer\e58a090.msi	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	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	_55db3327bd98150b3f343721ea85084960c1c71722557ca3b82f62738138b974.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	vssvc.exe
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

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\Features\A341ABD082EF6A814A7A578807E6E4AC	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\SourceList	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-bfdcb532d13ac934	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-bfdcb532d13ac934\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\Assignment = "1"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\ProductIcon = "C:\\Windows\\Installer\\{0DBA143A-FE28-18A6-A4A7-7588706E4ECA}\\DefaultIcon"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\bfdcb532d13ac934\\"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\04E7940223B31BC9FBCD5B231DA39C43\A341ABD082EF6A814A7A578807E6E4AC	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\SourceList\Media\1 = ";"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-bfdcb532d13ac934\shell\open\command	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-bfdcb532d13ac934\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (bfdcb532d13ac934)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\A341ABD082EF6A814A7A578807E6E4AC\Full	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\AdvertiseFlags = "388"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\25.2.4.9229\\bfdcb532d13ac934\\"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-bfdcb532d13ac934\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\ProductName = "ScreenConnect Client (bfdcb532d13ac934)"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\Version = "419561476"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\PackageCode = "A341ABD082EF6A814A7A578807E6E4AC"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\Language = "1033"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-bfdcb532d13ac934\URL Protocol	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-bfdcb532d13ac934	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-bfdcb532d13ac934\shell\open	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\InstanceType = "0"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\A341ABD082EF6A814A7A578807E6E4AC\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\04E7940223B31BC9FBCD5B231DA39C43	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-bfdcb532d13ac934\shell	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1028	msiexec.exe
1028	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4400	_55db3327bd98150b3f343721ea85084960c1c71722557ca3b82f62738138b974.exe
Token: SeShutdownPrivilege	3152	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3152	msiexec.exe
Token: SeSecurityPrivilege	1028	msiexec.exe
Token: SeCreateTokenPrivilege	3152	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3152	msiexec.exe
Token: SeLockMemoryPrivilege	3152	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3152	msiexec.exe
Token: SeMachineAccountPrivilege	3152	msiexec.exe
Token: SeTcbPrivilege	3152	msiexec.exe
Token: SeSecurityPrivilege	3152	msiexec.exe
Token: SeTakeOwnershipPrivilege	3152	msiexec.exe
Token: SeLoadDriverPrivilege	3152	msiexec.exe
Token: SeSystemProfilePrivilege	3152	msiexec.exe
Token: SeSystemtimePrivilege	3152	msiexec.exe
Token: SeProfSingleProcessPrivilege	3152	msiexec.exe
Token: SeIncBasePriorityPrivilege	3152	msiexec.exe
Token: SeCreatePagefilePrivilege	3152	msiexec.exe
Token: SeCreatePermanentPrivilege	3152	msiexec.exe
Token: SeBackupPrivilege	3152	msiexec.exe
Token: SeRestorePrivilege	3152	msiexec.exe
Token: SeShutdownPrivilege	3152	msiexec.exe
Token: SeDebugPrivilege	3152	msiexec.exe
Token: SeAuditPrivilege	3152	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3152	msiexec.exe
Token: SeChangeNotifyPrivilege	3152	msiexec.exe
Token: SeRemoteShutdownPrivilege	3152	msiexec.exe
Token: SeUndockPrivilege	3152	msiexec.exe
Token: SeSyncAgentPrivilege	3152	msiexec.exe
Token: SeEnableDelegationPrivilege	3152	msiexec.exe
Token: SeManageVolumePrivilege	3152	msiexec.exe
Token: SeImpersonatePrivilege	3152	msiexec.exe
Token: SeCreateGlobalPrivilege	3152	msiexec.exe
Token: SeCreateTokenPrivilege	3152	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3152	msiexec.exe
Token: SeLockMemoryPrivilege	3152	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3152	msiexec.exe
Token: SeMachineAccountPrivilege	3152	msiexec.exe
Token: SeTcbPrivilege	3152	msiexec.exe
Token: SeSecurityPrivilege	3152	msiexec.exe
Token: SeTakeOwnershipPrivilege	3152	msiexec.exe
Token: SeLoadDriverPrivilege	3152	msiexec.exe
Token: SeSystemProfilePrivilege	3152	msiexec.exe
Token: SeSystemtimePrivilege	3152	msiexec.exe
Token: SeProfSingleProcessPrivilege	3152	msiexec.exe
Token: SeIncBasePriorityPrivilege	3152	msiexec.exe
Token: SeCreatePagefilePrivilege	3152	msiexec.exe
Token: SeCreatePermanentPrivilege	3152	msiexec.exe
Token: SeBackupPrivilege	3152	msiexec.exe
Token: SeRestorePrivilege	3152	msiexec.exe
Token: SeShutdownPrivilege	3152	msiexec.exe
Token: SeDebugPrivilege	3152	msiexec.exe
Token: SeAuditPrivilege	3152	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3152	msiexec.exe
Token: SeChangeNotifyPrivilege	3152	msiexec.exe
Token: SeRemoteShutdownPrivilege	3152	msiexec.exe
Token: SeUndockPrivilege	3152	msiexec.exe
Token: SeSyncAgentPrivilege	3152	msiexec.exe
Token: SeEnableDelegationPrivilege	3152	msiexec.exe
Token: SeManageVolumePrivilege	3152	msiexec.exe
Token: SeImpersonatePrivilege	3152	msiexec.exe
Token: SeCreateGlobalPrivilege	3152	msiexec.exe
Token: SeCreateTokenPrivilege	3152	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3152	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3152	msiexec.exe
3152	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 3152	4400	_55db3327bd98150b3f343721ea85084960c1c71722557ca3b82f62738138b974.exe	89
PID 1028 wrote to memory of 3404	1028	msiexec.exe	92
PID 3404 wrote to memory of 3472	3404	MsiExec.exe	93
PID 1028 wrote to memory of 2716	1028	msiexec.exe	106
PID 1028 wrote to memory of 4324	1028	msiexec.exe	109

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\_55db3327bd98150b3f343721ea85084960c1c71722557ca3b82f62738138b974.exe
"C:\Users\Admin\AppData\Local\Temp\_55db3327bd98150b3f343721ea85084960c1c71722557ca3b82f62738138b974.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\bfdcb532d13ac934\ScreenConnect.ClientSetup.msi"
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:3152

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1028
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding BB7718F6C6F71B539C797AF33FECA0B7 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3404
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI600D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240672953 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3472
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:2716
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding F7CE6873818ED33B7D5EEE0BAF727BD7
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4324

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:4148

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

e58a091.rbs

Path C:\Config.Msi\e58a091.rbs
Size 10KB
SHA256 617fd710973ec137551bc6197814cc4d5e8dcec067db13a690f33a23e2c986fe
MD5 0e61e6ba2b6aec44b18a8c23c47eb23b
SHA1 f873cd06b1dde80ad8c3ae5badde31c0ff5f863d
SHA512 9fce9a0ba03b1df8effa6f52ce757f32d33f2ce736d91965b7c9a43fae8c2eff1aeb9b88866ccaffa17e715ad56b394935915987f4a767deccb1b1222afcfc26
SSDEEP 96:98CLn9qCPoGuj3Htm4eWzD9UtpiCsThqlUtpiC6jkK3a4ThqYH5S5rbh79fApmCA:9L5qF5k4eaWjhIvjhoi5hpvdpJ
TLSH
T165222201724B91E2F5A65B36C34B0A113B33DED86701724F44CD5A78AEB539AAF7C1C6
MD5 SHA1 SHA512 SSDEEP TLSH

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MSI600D.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI600D.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\MSI600D.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\MSI600D.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\MSI600D.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\MSI600D.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\bfdcb532d13ac934\ScreenConnect.ClientSetup.msi
Size 12.9MB
SHA256 d22f81c82a0691c2896a167b471e9ee2fca75567f82e25331c8040a93175d7f6
MD5 34610efa69fe5863941d236f8bf61503
SHA1 cb629865862a4ccf74f581dac09dee8ce68a75cb
SHA512 13d7f2cea007aed86470fd91343383295c1c8d41b86cf679a487ad1c5497037abc4fbf5144ea2e93b9d2107aca422f55d0f4dfcf0b9bdd1cadb89badcf030a46
SSDEEP 196608:FHxcp9ym3nltDUJVSHxcp9ym3dHxcp9ym3rHxcp9ym3KHxcp9ym3FHxcp9ym3EHP:3Gplp9GpPGp1GpYGp3GpiGpk
TLSH
T107D623116BF89678F0F22E35E876A4B1A5377C515E22C12E2324791E2C75EC0CAA3777
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIA1F9.tmp

Path C:\Windows\Installer\MSIA1F9.tmp
Size 202KB
SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
MD5 ba84dd4e0c1408828ccc1de09f585eda
SHA1 e8e10065d479f8f591b9885ea8487bc673301298
SHA512 7a38418f6ee8dbc66fab2cd5ad8e033e761912efc465daa484858d451da4b8576079fe90fd3b6640410edc8b3cac31c57719898134f246f4000d60a252d88290
SSDEEP 3072:X9LUHM7ptZ8UKOGw5vMWSuRy1YaDJkflQn3H+QDO/6Q+cxbr0qMG:XuH2aCGw1ST1wQLdqv
TLSH
T129147C326494803EE7F91A36D93E9A61AE7DF6241760C99EC3848C0E5D604D06BF7B27
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

metadata-2

Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
Size 24.1MB
SHA256 a9668e43d0178830ab8f138168d3eedf18a53bc4a1450c17cbea99d84732c371
MD5 3ce36748a71f8538fcacdb143e0ca803
SHA1 7d89983174be3caf7057569b29aca35add434b6d
SHA512 50268bbc46651ad4a13f3dd35ac276bce8110fc92a51c99641b89cfbaa3363547b581837a0952fd63a35c0d118d3e41e1aad708af729c4cc4a90aaea5e496bf2
SSDEEP 24576:yu8m+1zsdoO/vvTLbWhuEGalg4kzZ1hSdnGdT+AVpUqwu2YMo/F4ZHaRk:Z
TLSH
T17047D32437F92200E7F79F3DACF06A23493A7D5B9C159E8D45411B4E0921BB1E872F6A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

{931689d1-c6f1-4574-922d-98bca0183d45}_OnDiskSnapshotProp

Path \??\Volume{d78106ee-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{931689d1-c6f1-4574-922d-98bca0183d45}_OnDiskSnapshotProp
Size 6KB
SHA256 3117131f9f0086991d1b101f9f2c5fe2e064f23da9e7b4c8253d0afe0ae22d38
MD5 0c01c61554c5435e57f8717abea867d0
SHA1 5468bb0f6303efed4f418cd3e5a0298116d02a23
SHA512 4880781d55ec9c9f3654ac3852fae9cb6e44de4970f2b860443be4347c73ddfb33a3c327da600f341bdcb5104c5233a92765b35e60b4c94ed649627f2cf541ff
SSDEEP 96:FwM26Vavc8DD84LTHzbOHXOHBlBRQ88Sc9XE56tOSVQpu:f2fb++ZVm
TLSH
T12AD19B085AE54311E2B3AB7228F14557A877B811EF33CB8E0198238F2630A10F835F6F
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3472-31-0x0000000004760000-0x000000000478E000-memory.dmp

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memory/3472-35-0x0000000004730000-0x000000000473A000-memory.dmp

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memory/3472-43-0x0000000004A60000-0x0000000004C0C000-memory.dmp

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memory/3472-39-0x0000000004820000-0x00000000048AC000-memory.dmp

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memory/4400-6-0x0000000005080000-0x00000000050A2000-memory.dmp

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memory/4400-7-0x00000000050F0000-0x000000000529C000-memory.dmp

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memory/4400-8-0x0000000005C90000-0x0000000006234000-memory.dmp

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memory/4400-9-0x00000000050E0000-0x00000000050F0000-memory.dmp

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memory/4400-5-0x0000000004FF0000-0x000000000507C000-memory.dmp

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memory/4400-0-0x00000000050E0000-0x00000000050F0000-memory.dmp

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memory/4400-4-0x00000000053F0000-0x00000000056E2000-memory.dmp

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memory/4400-3-0x00000000050E0000-0x00000000050F0000-memory.dmp

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memory/4400-2-0x00000000050E0000-0x00000000050F0000-memory.dmp

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memory/4400-1-0x0000000002950000-0x0000000002958000-memory.dmp

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