bf0d3d4516db971a4bc44e7593282f68ce917432429602bd73e232b5e18e62a8

Analysis

max time kernel
149s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/08/2026, 18:24

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
ScreenConnect.ClientSetup.exe
Size 12.2MB
Sample260831-w2fr2aaa48
SHA256 bf0d3d4516db971a4bc44e7593282f68ce917432429602bd73e232b5e18e62a8
MD5 13e04b7d16431f9a7f9b87621ef3fdd2
SHA1 08f3514add11570267b9a2b1d044b43259c0edb9
SHA512 4708ef09558804130d357182a36528febff371e5b89e6a29982d3c3e37e05f679bebe82775bb8a106dcb7ad8a3723f6310ab0b979cac293fbe6b59a73dfbed74
SSDEEP 393216:k2xiFxbwpa+Ck2xiFxbwpaD2xiFxbwpaW2xiFxbwpad:vUFxMpjCvUFxMpxUFxMpQUFxMp6
TLSH
T199D61211B3D6A5B6D0BF0639D87982A55675BC058B62C6EF53D4B92C2D32BC08E32373
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

backdoor discovery persistence privilege_escalation ransomware rat

Malware Config

Signatures

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
3	5512	msiexec.exe
4	4888	rundll32.exe

Sets service image path in registry 3 TTPs 1 IoCs

This determines the executable launched when a service starts. It can be used to establish persistence.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ScreenConnect Client (e148c120221cb3bd)\ImagePath = "\"C:\\Program Files (x86)\\ScreenConnect Client (e148c120221cb3bd)\\ScreenConnect.ClientService.exe\" \"?e=Access&y=Guest&h=instance-gaexoo-relay.screenconnect.com&p=443&s=9f4ff204-78d2-4d1d-a493-75a6cfdbbb7d&k=BgIAAACkAABSU0ExAAgAAAEAAQD1vupP7ld5xaocVToQXQko9tQ4B5%2bP2V82SD59SUp%2bg0jwzWepOCOBFHJA%2b6aRU155lSAS3bdrR8cZikpQugtX3sK1aVO4lRfP6mNKzwLipCLteNpFu%2b77VzLRbUX%2b8DiWe8TYCN2RlGwoDUMYz4ubhYktxqj0C%2b9YJhpU%2b5R1RDJa%2bN9XPZ2t3Q8SCMSeiKWPMzkPPyoI00O0AZvW59mZAynLB2MzbzuMKV1BZF%2fTmw4nvLAp6sooVU69fP7RtbaG5sApIu9iU8szm27HN6UWl3BySTViJTq7ugdTQdMwR%2baSZdUKy81tOrfvwPnQE5JUfQITF9TVyrpi61QTdJPD&v=AQAAANCMnd8BFdERjHoAwE%2fCl%2bsBAAAAB5HEWqHWfEKTnSdvoRtCzQAAAAACAAAAAAAQZgAAAAEAACAAAAD3rauCVAdQotkJ4CMJDz3MkXc%2fETdGRrkzqVwE9yGOCAAAAAAOgAAAAAIAACAAAACsPQzrj%2fZZH8E6jaug9S4d3mljmDaJwfagAIUeRtUe4aAEAABYnlaCnKUQ%2fBHk8zId1fbHsH8Jig0SBiPgE6mIbB8KN66y%2btMS6K6u%2bY2vnJ3IqYtfWD8yaLDYuKHTyUAx1R7260Lv7p1bA2ACBh7b0bTef5%2fvP9CyEV7%2bGIT%2fLS%2f2bZndnwwWHjdLObwmdv3MtcydH1R6Bt8ac0QTZnSI4WUbGgXhLjyEeGI2R%2fLOwPhJ4HJvVCpN8OZCAPBm0%2fzF0phMiDqhv1Dy%2fUdEXx0BAPpZfPIUI2KzQe1XzPJCrwvbPW2h2f5ROWBLqwYJ1u8pn0gUXddlV%2be3aWomCtWt9yZhF9i6cVlNVkyeNu3Fbz1GUoF5u0n8AfxweoAXFrBkf2j35f2jFaRSD3EVGONxMLsoHmXlKSmXE4wSCTB1ppukIzi7v5GR%2boKPVsUAnfWZ8AWrOOJ0Iq2CMUbtei6M%2bwubt84EzKuBWbBGPdJkao41aEoUChEuBuKmM6Lq8hxIPt8KfaLh4y0JLyqdWVgrAJvveOppO0kHZWlVAsftjTIJSDx3gfWHt3BAOLvHYO0QjgaamIVNZlSM5CiEPSkRcLLPRLlEY4uDQuvFQQ%2fDAc%2bkFwtU4tTglpxCMQaMcH7AED7P%2bxbNDqPHgLYuwr9NUDr6S4YKWzvNmxrss6gHwI0rWdTJAQ%2fncnbuENO8jn9BKrBgZBTzjPDrCiO9MbHSWj7Kz7yP2gycpNjM20zXOsK0R2nO%2byqXAMeVgr9nwu5exRMM5ZPo%2fKwxUu%2bGf7g%2f5yJG4mxDfol1l8xEu%2bDN0XxBYgivgQHfv%2f2t420I8vwyVa0pNRCxOE4rvgKC64Ut8I2q%2bh57Ak%2fGc%2bNPsRwtaXXk351ZNoOkksZt7gVOfa4hCwX2rnl%2fcEOHIYDmVLI1GFqKnLz%2ffOKCE8rjzJAVj%2fgWmz%2fsHtkFfY6L%2fYVrmdVFTKREWwEGY5SLLpL7wZmO%2fMtNzNCRBSa5GPFYRm5tIP4R8QMxt%2f205Ut4xxpF9DLtrkvEhKoSE%2bl45l2trTCgOB36e7dVZNuNXYbdRuN%2fcHgXE%2bF8UsaBYmWJHIdCRKihdm0UiplOG9bPN38sz4MV08ptaYceagk69mnu5Qabg58057e5ccnQXAY9KuddVFgbg7d9wOZCbFcZPsu2OPCmSWEANQgvsLtYPTYGcQohtp6vwsCHX8dgdeTOurwMzrV6t2E%2ffdBF59B9Ac%2fFLAy72VffMndLlxx2bkkRI8kHUiiagwbSLnSKrPWxw8RYjsqLgJKLk6qarVFTQIrZNsmCeQ24KBScUrcybh%2f%2b%2fys77tiDexd8Kg6o0X1PqoWyte4B4ewH5vOysMElrfJF8QVyi8aTSMFtHHd%2bFzEZ%2fbPoQRuAShMnExoY5Dkr7BK8MJAKIrs1gLetgrHwCcgpIjb2p44n%2fCfE5upKO7GcYahKBTH9Av9E4jZn5Cg8pWxzqenWSyvjflldpuQ94o40lx8e7Glfdi2gsP%2fc0AR1SszZGgS3G7jyvuJ0UTw7Lg6vlzjoTtgPJ7JI8fTcwmOaynbyqvhXmbd9jN8AlihtWYE6zQZ%2fsnHrUWQn1jZHkjRMoO1hg0MLzH8435rF2IifKuh82iMT7EAAAACPSMq7QA%2fmWk3o%2fcq6AyPBWbJeeGvlG8RsKH8nuV44FxQ2484SPMAWmRRXHlQR3bPTrZDDoC%2b05jH46%2bipIcDg\""	ScreenConnect.ClientService.exe

ConnectWise ScreenConnect remote access tool
ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.
backdoor rat

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

Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

Suspicious Windows Authentication Registry Modification.

persistence privilege_escalation

Authentication Package

T1547.002

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Lsa\Authentication Packages = 6d007300760031005f003000000043003a005c00500072006f006700720061006d002000460069006c00650073002000280078003800360029005c00530063007200650065006e0043006f006e006e00650063007400200043006c00690065006e00740020002800650031003400380063003100320030003200320031006300620033006200640029005c00530063007200650065006e0043006f006e006e006500630074002e00570069006e0064006f0077007300410075007400680065006e007400690063006100740069006f006e005000610063006b006100670065002e0064006c006c0000000000	msiexec.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\cnljrcff.newcfg	ScreenConnect.ClientService.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\user.config	ScreenConnect.ClientService.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\cnljrcff.newcfg	ScreenConnect.ClientService.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\qmxcszne.tmp	ScreenConnect.ClientService.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\qmxcszne.newcfg	ScreenConnect.ClientService.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\rcohi0og.tmp	ScreenConnect.ClientService.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\qmxcszne.newcfg	ScreenConnect.ClientService.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\rcohi0og.newcfg	ScreenConnect.ClientService.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\cnljrcff.tmp	ScreenConnect.ClientService.exe

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Drops file in Program Files directory 16 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.ClientService.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsBackstageShell.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsFileManager.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\Client.en-US.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\Client.resources	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.Windows.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsClient.exe.config	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.Client.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.Core.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsAuthenticationPackage.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsBackstageShell.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsClient.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.ClientService.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsCredentialProvider.dll	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsFileManager.exe	msiexec.exe
File created	C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\system.config	msiexec.exe

Drops file in Windows directory 17 IoCs

description	ioc	Process
File created	C:\Windows\SystemTemp\~DF116E2FD9696072AC.TMP	msiexec.exe
File created	C:\Windows\Installer\wix{5063EC9E-3631-25A0-196F-5B702E4D6E7F}.SchedServiceConfig.rmi	MsiExec.exe
File opened for modification	C:\Windows\Installer\{5063EC9E-3631-25A0-196F-5B702E4D6E7F}\DefaultIcon	msiexec.exe
File created	C:\Windows\SystemTemp\~DF28AC3FE087FA00CB.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\SystemTemp\~DFA32F092FD77133B3.TMP	msiexec.exe
File created	C:\Windows\Installer\SourceHash{5063EC9E-3631-25A0-196F-5B702E4D6E7F}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB433.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB6E4.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DF80CAEA0CAA191701.TMP	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\MSIB482.tmp	msiexec.exe
File created	C:\Windows\Installer\e59aea5.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e59aea5.msi	msiexec.exe
File created	C:\Windows\Installer\e59aea7.msi	msiexec.exe
File created	C:\Windows\Installer\{5063EC9E-3631-25A0-196F-5B702E4D6E7F}\DefaultIcon	msiexec.exe

Executes dropped EXE 4 IoCs

pid	Process
4364	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
3468	ScreenConnect.WindowsClient.exe
120	ScreenConnect.WindowsClient.exe

Loads dropped DLL 50 IoCs

pid	Process
4660	MsiExec.exe
252	rundll32.exe
252	rundll32.exe
252	rundll32.exe
252	rundll32.exe
252	rundll32.exe
252	rundll32.exe
252	rundll32.exe
252	rundll32.exe
252	rundll32.exe
4660	MsiExec.exe
4888	rundll32.exe
4888	rundll32.exe
4888	rundll32.exe
4888	rundll32.exe
4888	rundll32.exe
4888	rundll32.exe
4888	rundll32.exe
4888	rundll32.exe
4888	rundll32.exe
4660	MsiExec.exe
2492	rundll32.exe
2492	rundll32.exe
2492	rundll32.exe
2492	rundll32.exe
2492	rundll32.exe
2492	rundll32.exe
2492	rundll32.exe
2492	rundll32.exe
2492	rundll32.exe
5148	MsiExec.exe
5684	MsiExec.exe
4364	ScreenConnect.ClientService.exe
4364	ScreenConnect.ClientService.exe
4364	ScreenConnect.ClientService.exe
4364	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4364	ScreenConnect.ClientService.exe
4364	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4364	ScreenConnect.ClientService.exe
4364	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4980	4364	WerFault.exe	105

System Location Discovery: System Language Discovery 1 TTPs 10 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	ScreenConnect.ClientSetup.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	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ScreenConnect.ClientService.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ScreenConnect.ClientService.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 = 0000000004000000508ea0cb0cbd3e300000000000000000000000000000000000000000000000000000000000000000000000000000000000001071020000000000c0120000000000000000000000002701010000883801508ea0cb0000000000001071020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d0830200000000006025c501000000000000000000000700010000e84101508ea0cb000000000000d08302000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9c701000000000000050000000000000000000000070001000098d4e3508ea0cb00000000000030a9c7010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030a9cc0100000000000005000000000000000000000007000100009854e6508ea0cb00000000000030a9cc01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ScreenConnect.WindowsClient.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ScreenConnect.WindowsClient.exe

Modifies data under HKEY_USERS 13 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 created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ScreenConnect.WindowsClient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	ScreenConnect.WindowsClient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	ScreenConnect.WindowsClient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ScreenConnect.ClientService.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	ScreenConnect.ClientService.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	ScreenConnect.ClientService.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	ScreenConnect.ClientService.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	ScreenConnect.WindowsClient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	ScreenConnect.WindowsClient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	ScreenConnect.ClientService.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\CLASSES\LOCAL SETTINGS\MUICACHE\27\52C64B7E	msiexec.exe

Modifies registry class 37 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\ProductIcon = "C:\\Windows\\Installer\\{5063EC9E-3631-25A0-196F-5B702E4D6E7F}\\DefaultIcon"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\BB6311793C9B5EDD1E841C0222C13BDB\E9CE360513630A5291F6B507E2D4E6F7	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\SourceList\Net	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\SourceList\Media\1 = ";"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\26.5.3.9691\\e148c120221cb3bd\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\BB6311793C9B5EDD1E841C0222C13BDB	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6FF59A85-BC37-4CD4-918A-C8EBE190D110}\InprocServer32\ = "C:\\Program Files (x86)\\ScreenConnect Client (e148c120221cb3bd)\\ScreenConnect.WindowsCredentialProvider.dll"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-e148c120221cb3bd	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-e148c120221cb3bd\UseOriginalUrlEncoding = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-e148c120221cb3bd\shell	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-e148c120221cb3bd\shell\open	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ScreenConnect\\26.5.3.9691\\e148c120221cb3bd\\"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\Assignment = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\SourceList\Media	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{6FF59A85-BC37-4CD4-918A-C8EBE190D110}\InprocServer32	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\Version = "436535299"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-e148c120221cb3bd\URL Protocol	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\sc-e148c120221cb3bd\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\PackageCode = "E9CE360513630A5291F6B507E2D4E6F7"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\AuthorizedLUAApp = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-e148c120221cb3bd\shell\open\command\ = "\"C:\\Program Files (x86)\\ScreenConnect Client (e148c120221cb3bd)\\ScreenConnect.WindowsClient.exe\" \"%1\""	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{6FF59A85-BC37-4CD4-918A-C8EBE190D110}	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-e148c120221cb3bd	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6FF59A85-BC37-4CD4-918A-C8EBE190D110}\InprocServer32\ThreadingModel = "Apartment"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\ProductName = "ScreenConnect Client (e148c120221cb3bd)"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sc-e148c120221cb3bd\shell\open\command	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\Language = "1033"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\SourceList\PackageName = "ScreenConnect.ClientSetup.msi"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\E9CE360513630A5291F6B507E2D4E6F7\Clients = 3a0000000000	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6FF59A85-BC37-4CD4-918A-C8EBE190D110}\ = "ScreenConnect Client (e148c120221cb3bd) Credential Provider"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\E9CE360513630A5291F6B507E2D4E6F7	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\E9CE360513630A5291F6B507E2D4E6F7\Full	msiexec.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4596	msiexec.exe
4596	msiexec.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe
4864	ScreenConnect.ClientService.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2608	ScreenConnect.ClientSetup.exe
Token: SeShutdownPrivilege	5512	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5512	msiexec.exe
Token: SeSecurityPrivilege	4596	msiexec.exe
Token: SeCreateTokenPrivilege	5512	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5512	msiexec.exe
Token: SeLockMemoryPrivilege	5512	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5512	msiexec.exe
Token: SeMachineAccountPrivilege	5512	msiexec.exe
Token: SeTcbPrivilege	5512	msiexec.exe
Token: SeSecurityPrivilege	5512	msiexec.exe
Token: SeTakeOwnershipPrivilege	5512	msiexec.exe
Token: SeLoadDriverPrivilege	5512	msiexec.exe
Token: SeSystemProfilePrivilege	5512	msiexec.exe
Token: SeSystemtimePrivilege	5512	msiexec.exe
Token: SeProfSingleProcessPrivilege	5512	msiexec.exe
Token: SeIncBasePriorityPrivilege	5512	msiexec.exe
Token: SeCreatePagefilePrivilege	5512	msiexec.exe
Token: SeCreatePermanentPrivilege	5512	msiexec.exe
Token: SeBackupPrivilege	5512	msiexec.exe
Token: SeRestorePrivilege	5512	msiexec.exe
Token: SeShutdownPrivilege	5512	msiexec.exe
Token: SeDebugPrivilege	5512	msiexec.exe
Token: SeAuditPrivilege	5512	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5512	msiexec.exe
Token: SeChangeNotifyPrivilege	5512	msiexec.exe
Token: SeRemoteShutdownPrivilege	5512	msiexec.exe
Token: SeUndockPrivilege	5512	msiexec.exe
Token: SeSyncAgentPrivilege	5512	msiexec.exe
Token: SeEnableDelegationPrivilege	5512	msiexec.exe
Token: SeManageVolumePrivilege	5512	msiexec.exe
Token: SeImpersonatePrivilege	5512	msiexec.exe
Token: SeCreateGlobalPrivilege	5512	msiexec.exe
Token: SeCreateTokenPrivilege	5512	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5512	msiexec.exe
Token: SeLockMemoryPrivilege	5512	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5512	msiexec.exe
Token: SeMachineAccountPrivilege	5512	msiexec.exe
Token: SeTcbPrivilege	5512	msiexec.exe
Token: SeSecurityPrivilege	5512	msiexec.exe
Token: SeTakeOwnershipPrivilege	5512	msiexec.exe
Token: SeLoadDriverPrivilege	5512	msiexec.exe
Token: SeSystemProfilePrivilege	5512	msiexec.exe
Token: SeSystemtimePrivilege	5512	msiexec.exe
Token: SeProfSingleProcessPrivilege	5512	msiexec.exe
Token: SeIncBasePriorityPrivilege	5512	msiexec.exe
Token: SeCreatePagefilePrivilege	5512	msiexec.exe
Token: SeCreatePermanentPrivilege	5512	msiexec.exe
Token: SeBackupPrivilege	5512	msiexec.exe
Token: SeRestorePrivilege	5512	msiexec.exe
Token: SeShutdownPrivilege	5512	msiexec.exe
Token: SeDebugPrivilege	5512	msiexec.exe
Token: SeAuditPrivilege	5512	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5512	msiexec.exe
Token: SeChangeNotifyPrivilege	5512	msiexec.exe
Token: SeRemoteShutdownPrivilege	5512	msiexec.exe
Token: SeUndockPrivilege	5512	msiexec.exe
Token: SeSyncAgentPrivilege	5512	msiexec.exe
Token: SeEnableDelegationPrivilege	5512	msiexec.exe
Token: SeManageVolumePrivilege	5512	msiexec.exe
Token: SeImpersonatePrivilege	5512	msiexec.exe
Token: SeCreateGlobalPrivilege	5512	msiexec.exe
Token: SeCreateTokenPrivilege	5512	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5512	msiexec.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
5512	msiexec.exe
5512	msiexec.exe
3468	ScreenConnect.WindowsClient.exe
3468	ScreenConnect.WindowsClient.exe
3468	ScreenConnect.WindowsClient.exe
3468	ScreenConnect.WindowsClient.exe
3468	ScreenConnect.WindowsClient.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
3468	ScreenConnect.WindowsClient.exe
3468	ScreenConnect.WindowsClient.exe
3468	ScreenConnect.WindowsClient.exe
3468	ScreenConnect.WindowsClient.exe
3468	ScreenConnect.WindowsClient.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5512	msiexec.exe
4596	msiexec.exe
4660	MsiExec.exe
5148	MsiExec.exe
5684	MsiExec.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 5512	2608	ScreenConnect.ClientSetup.exe	89
PID 4596 wrote to memory of 4660	4596	msiexec.exe	91
PID 4660 wrote to memory of 252	4660	MsiExec.exe	92
PID 4660 wrote to memory of 4888	4660	MsiExec.exe	93
PID 4660 wrote to memory of 2492	4660	MsiExec.exe	94
PID 4596 wrote to memory of 3140	4596	msiexec.exe	99
PID 4596 wrote to memory of 5148	4596	msiexec.exe	102
PID 4596 wrote to memory of 5684	4596	msiexec.exe	103
PID 4864 wrote to memory of 3468	4864	ScreenConnect.ClientService.exe	110
PID 4864 wrote to memory of 120	4864	ScreenConnect.ClientService.exe	111

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:2608
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\e148c120221cb3bd\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
  2⤵
  - Badlisted process makes network request
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:5512

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Boot or Logon Autostart Execution: Authentication Package
- 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:4596
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding B8AF5D91516A573578F828DDED7E0D01 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4660
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4A6D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240733359 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:252
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5115.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240734515 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
    3⤵
    - Badlisted process makes network request
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4888
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI56C3.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240735968 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2492
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  PID:3140
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 119F2E5A892649D74CF40FBB7C481330
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5148
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 52E4AABB75AB450DDF19F6082473BF9F E Global\MSI0000
  2⤵
  - Drops file in Windows directory
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5684

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
PID:4824

C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.ClientService.exe
"C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-gaexoo-relay.screenconnect.com&p=443&s=9f4ff204-78d2-4d1d-a493-75a6cfdbbb7d&k=BgIAAACkAABSU0ExAAgAAAEAAQD1vupP7ld5xaocVToQXQko9tQ4B5bP2V82SD59SUpbg0jwzWepOCOBFHJAb6aRU155lSAS3bdrR8cZikpQugtX3sK1aVO4lRfP6mNKzwLipCLteNpFub77VzLRbUXb8DiWe8TYCN2RlGwoDUMYz4ubhYktxqj0Cb9YJhpUb5R1RDJabN9XPZ2t3Q8SCMSeiKWPMzkPPyoI00O0AZvW59mZAynLB2MzbzuMKV1BZFfTmw4nvLAp6sooVU69fP7RtbaG5sApIu9iU8szm27HN6UWl3BySTViJTq7ugdTQdMwRbaSZdUKy81tOrfvwPnQE5JUfQITF9TVyrpi61QTdJPD"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 1336
  2⤵
  - Program crash
  PID:4980

C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.ClientService.exe
"C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-gaexoo-relay.screenconnect.com&p=443&s=9f4ff204-78d2-4d1d-a493-75a6cfdbbb7d&k=BgIAAACkAABSU0ExAAgAAAEAAQD1vupP7ld5xaocVToQXQko9tQ4B5%2bP2V82SD59SUp%2bg0jwzWepOCOBFHJA%2b6aRU155lSAS3bdrR8cZikpQugtX3sK1aVO4lRfP6mNKzwLipCLteNpFu%2b77VzLRbUX%2b8DiWe8TYCN2RlGwoDUMYz4ubhYktxqj0C%2b9YJhpU%2b5R1RDJa%2bN9XPZ2t3Q8SCMSeiKWPMzkPPyoI00O0AZvW59mZAynLB2MzbzuMKV1BZF%2fTmw4nvLAp6sooVU69fP7RtbaG5sApIu9iU8szm27HN6UWl3BySTViJTq7ugdTQdMwR%2baSZdUKy81tOrfvwPnQE5JUfQITF9TVyrpi61QTdJPD"
1⤵
- Sets service image path in registry
- Drops file in System32 directory
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsClient.exe
  "C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsClient.exe" "RunRole" "66e9430b-c1b2-4f63-8f61-4296e0b917f6" "User"
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:3468
- C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsClient.exe
  "C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.WindowsClient.exe" "RunRole" "3fc43a8e-9879-466f-b223-81def321ff01" "System"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  PID:120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4364 -ip 4364
1⤵
PID:1112

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Authentication Package

T1547.002

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Authentication Package

T1547.002

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Modify Registry

T1112

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

Loading Replay Monitor...

Downloads

e59aea6.rbs

Path C:\Config.Msi\e59aea6.rbs
Size 214KB
SHA256 b1f2d3cfe9c563c4c64b00ed0af87cb0d1913fff6f131b4851f0e2e67b55ea06
MD5 a26ab9a380ed8026f0d9ed740f170bf1
SHA1 a3e11be865f651aa67a6bc53f52b1a1123120dc3
SHA512 4031c206afccfbf18a7cba6e2fbf2f9c0f5fe2abb54a41cd31c78863e6d299986832727b608493a00fdb61a96f494e2c11f35f53fb452cdde3e90265e4114915
SSDEEP 3072:wo9LUHM7ptZ8UKOGw5vMWSuRy1YaDJkflQn3H+QDO/6Q+cxbr0qMGlTGsv:wouH2aCGw1ST1wQLdqvv
TLSH
T1D6248C227490907EE7FA1A32D93F9A717E7DF6241760C59E83888C1E5D604C06BF6B63
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.Client.dll

Path C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.Client.dll
Size 412KB
SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
MD5 a86960060335629b7a4b061360c18ea1
SHA1 b7ae51d426631f73c70f6ff3d82a39cf592fb047
SHA512 57663335082fb7fa90d8039ffa8f65964379b75741cdc58b61d16119951f4b1567bca200e2a9eaec023e6cc243b136426705396559cbac918582633f2bf87249
SSDEEP 6144:uS59LDc+cn1vp42Y5sD8ETEavHy+vd7JPYIYyqQni65/PTG:1pcM2xDHTEavSW7OQniOG
TLSH
T18894CF8163E85D6EE9AF1F73F0A1A1344E76BC056182F2EE0D0475F41A7B7828B546E3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.ClientService.dll

Path C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.ClientService.dll
Size 92KB
SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
MD5 29e07dd26e1a322bc49505d0239c78ed
SHA1 bc45a3738ed666f2b6b94f22bc7fe22ffedd01e5
SHA512 3639a2889f6187144364ca73d3c13eec2bfa31964bbbe148d26352ea52f6fb7e1010d92a83e362092ab3a47f206a5849972b84b72389367e7aceb96d84d98464
SSDEEP 1536:Yz0NVwxLGDPpGiIVzLU49GWZaiQOV+eD/0nUazxDa91g0Bp7A:Yz2Lj8FFPA0QOVx/IUazxDa91gEpc
TLSH
T123935C4293BCA92ACDDF1E34B461F1610AB1B913D8E6EBD46DC860DA1F523D21F4439B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.ClientService.exe

Path C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.ClientService.exe
Size 93KB
SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
MD5 e1f2d75dd49355496a2e147cef862ede
SHA1 c7deaed84f074f4618c41132c89017a1d66191c1
SHA512 beed34147f64f740fadff9dbd7537183f4f9effa33a28e7adc7b12240e2e66ae46149f39c17adc0564a4487fbfca75f22d88556e4b3969779459018f80a5045b
SSDEEP 1536:dg1s9pgbNBAklbZfe2+zRVdHeDxGXAorrCnBsWBcd6myJkgcU0HME75:uhbNDxZGXfdHrX7rAc6myJkgcU0HxV
TLSH
T102935B13B5C28872D473093158E0DAB09A3FF9615E61DEAB3798022E4F742C1AE75E77
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.Core.dll

Path C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.Core.dll
Size 579KB
SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
MD5 f2577cb81a640ef1219dac5e98e72a30
SHA1 a7507898469487eb7c7fed613194cf97273a5fc6
SHA512 424ce0322428eee6ab0ac3ebbe5cebdcd48247a4e0f805ae77ea6fb115e12e20f0ac80749a65f4bf5de57622111e65933f8bbe1929d052fa91b57970b8eae901
SSDEEP 6144:X3IGbCeeMkZBRqj1xcvWlEfu37PtJp71A/J7ysZVFeEjIfR9BwnNXJyS/chwDTaT:npbCeMmxnFrtyFQEq+NXJyLAO
TLSH
T122C47D1273D8B767C5BE1B7BE0B061144270E40A7CBBE79B1994F4A9ACA73854E413B3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.Windows.dll

Path C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\ScreenConnect.Windows.dll
Size 1.7MB
SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
MD5 9ec7c251b0b81419c7b5549eb50721b6
SHA1 198c3abd767595efc0b44e11b0bdfafdf8e3dba6
SHA512 c53596ea4ad4012ba48b81fdf6c36d0be5f5e2c056cfd64da4c158882976d65a0a243397f377c7daa8f1026789f4f72d3da0669aa51c49de62f5318382ed63d7
SSDEEP 24576:yBjf54NHFj+Ifz3zvnXj/zXzvAAkGz8mvgtX79S+2bfh+RfmT01krTFiH4SqfKPn:K4NHJkGYYpT0+TFiH7efPO
TLSH
T13A85BD41E2C364F5D46B047888BF972ABA743C040365CAFB97D4AE366D33BC09A36756
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

system.config

Path C:\Program Files (x86)\ScreenConnect Client (e148c120221cb3bd)\system.config
Size 964B
SHA256 aba1fef9716cc9aac000539048625279e69bac0f1d4ea74cd382797f40b553a0
MD5 cd685257afffc050685d69d350bd0809
SHA1 7e7889a86c83f8eed65fc79bfd163b2fe78e029a
SHA512 42f3d505d7d616d34d0cc1c2c41a8c4974b2e8bb5843c82b21f6a9c056a3d578b705e045dc298e1b93412be8166adcdfba9b37e78c9ef1df910e9e91613856ab
TLSH
T1E111BD767184791F0BF36E22C052C259EE761A9F2990218930EF617A5F719CB43E31DE
MD5 SHA1 SHA512 TLSH

Submit Download

MSI4A6D.tmp

Path C:\Users\Admin\AppData\Local\Temp\MSI4A6D.tmp
Size 1.1MB
SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
MD5 9d80e2156021752a97d9235737b2be48
SHA1 8767acf50f641589d0002902e2b1e1905f9a451a
SHA512 eaa64b6b51ad1b1f6bfd54747bdcf4cfcebba426cb067670d7a354cc140991a9b5af62f77622a2b11e75bbd609cb34283f5b2121f6c7792505fb47138a6674af
SSDEEP 24576:RUUGGA+cVsmmpjGDlajmMdwKQM37nz/ofVg2z1U/0i0FeNQVEh2:iGA+cVsmymlmndHZ3jzgfVg2Je0rNyc
TLSH
T167352320B2E59035E5AA2A716D3993A06DBD797169B4C1CD37CA427E4EF0F82F530363
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Microsoft.Deployment.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI4A6D.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\MSI4A6D.tmp-\ScreenConnect.Core.dll
Size 569KB
SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
MD5 cba9b2f6ef85937971599bb0cf0266db
SHA1 d60bc37f7290cff778a6a949203b39582aade582
SHA512 1f9b4b5aa827954b813312f94f59998297a52d6b4bca565838760754e4f39fd48627c00f9d0a804b5c10ec82359cac7e68675353757f156e594c70bd82c123c3
SSDEEP 6144:j3IGbCeeMkZBRqj1xcvWlEfu37PtJp71A/J7ysZVFeEjIfR9BwnNXJyS/chwDTaM:DpbCeMmxnFrtyFQEq+NXJyLA
TLSH
T12EC46D1273D8B767C5BE1B7BE0B061144270E40A7CBBE79B1994F4A9ACA73854E413B3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.InstallerActions.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI4A6D.tmp-\ScreenConnect.InstallerActions.dll
Size 24KB
SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
MD5 2181e7bb9c5d9f01130b71ce995be3ed
SHA1 1dc41ecd120ce26a5fe95132ee0549d446c8dfdf
SHA512 1eb9f83e713f847ef6658f155aa9addc8b611244adbf2befaaf73cb83c3dd52f685cc18331cdf9948667215ef95c4ee32a12478139922b053e04b08332d31832
SSDEEP 384:6gazzV1VTsaS8hQlLkmoAUV7NaNeirM0dbMsFkjvZBo20kRF:tazC9UVMcLvgU
TLSH
T1C6B2D720678DE17AF9EA1634B563FBB011B3BDB3CCE9DA8525A420153D253E04FB5B06
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.Windows.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI4A6D.tmp-\ScreenConnect.Windows.dll
Size 1.7MB
SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
MD5 3f7e109c4ac473ac1db7be8dae02eeda
SHA1 45eff8a6d123768dff98f69f5c7e1df101d4e383
SHA512 82225b7e709318e19dde2d85ae70b3dedf7518d46db146d23b1f22162c2a74253b0128857ed10626a3bab730134041515a80103e092af8d818410af7b1738a36
SSDEEP 24576:UBjf54NHFj+Ifz3zvnXj/zXzvAAkGz8mvgtX79S+2bfh+RfmT01krTFiH4SqfKPo:I4NHJkGYYpT0+TFiH7efP
TLSH
T17485AD41E2C364F5D46B047888BF972ABA743C040365CAFB97D4AE366D33BC09A36756
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

CustomAction.config

Path C:\Users\Admin\AppData\Local\Temp\MSI5115.tmp-\CustomAction.config
Size 234B
SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
MD5 6f52ebea639fd7cefca18d9e5272463e
SHA1 b5e8387c2eb20dd37df8f4a3b9b0e875fa5415e3
SHA512 b5960066430ed40383d39365eadb3688cadadfeca382404924024c908e32c670afabd37ab41ff9e6ac97491a5eb8b55367d7199002bf8569cf545434ab2f271a
TLSH
T18CD0A70405D0FD1B5E231A2337524559FF34B1E290A44408B06F3A130A220CD4757317
MD5 SHA1 SHA512 TLSH

Submit Download

ScreenConnect.WindowsInstaller.dll

Path C:\Users\Admin\AppData\Local\Temp\MSI5115.tmp-\ScreenConnect.WindowsInstaller.dll
Size 137KB
SHA256 dbf379b93127345a83282380aee634d0b70ec731acfeea76617c76e76fdc764f
MD5 da6df22c282c0395721fa0340263ddd5
SHA1 768cdee6b95f34e85af5abe53f227ec5fab40351
SHA512 cfa596e52982565483ce9f01997cd54852eca1428ed4b9296ece0e3dbaef36568b880f1ce4fb284a75113f274b8b5217be50deca2a942edcd012ac922a722a24
SSDEEP 1536:w6PudmhTuM6szFfJ49H/8P43rO6A16dTKjkvDutUVfh5U3KiQtlJgWq8qo0yn:lPudRM6oT4bXmk1VfjgDnK
TLSH
T1A1D3393463AC9A37E6EF5AB9E431B1440BF2B527B4E3F78D694864F81C127914B20367
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ScreenConnect.ClientSetup.msi

Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\e148c120221cb3bd\ScreenConnect.ClientSetup.msi
Size 9.8MB
SHA256 0adb23796fbd9cbbe72cde60e5af6f62f3c96a39b13c6a178cf2222971722095
MD5 e347c6a3305deb9db38be68103eb8902
SHA1 cfe22a97edd4dcc7ec37ca1e3c5bfe026ae73ae9
SHA512 9349854b3a7e2e0fe7b683834ab5d823783fb29039d1ab78d0bb75859eefbe41b6f078f0e925f63cdc7db6d8f3e85d0bfa56079931ad7b7e358f968ac71768e2
SSDEEP 196608:WgHxiFSsYwwSA/OdB+04xzee1gHxiFSsYwwSA/OdB+EgHxiFSsYwwSA/OdB+PgHJ:W2xiFxbwpa+Ck2xiFxbwpaD2xiFxbwpF
TLSH
T1E2A6232063E58466F1B70A3EEE3586F4597A7E25DE12C08F63A4791C6D32E50CA72373
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

MSIB482.tmp

Path C:\Windows\Installer\MSIB482.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

cnljrcff.newcfg

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\cnljrcff.newcfg
Size 683B
SHA256 cb4896c4c55485bb9df228eb57f79f7043a6282c0373a1ccee631a4f255902b3
MD5 8becb7c6e4940d2b4c60d1a62f6dbb68
SHA1 90fe5cef1beed3497fad4ba5ab66ab6be6ad35a8
SHA512 1524365edcee5252e47aa6715034ca89628ae9c66894fcf9f0b8b32fe87259de5bf6909cc5e834dff61a24c15be20f6de701518199c9fee52a7c5282858bf01b
TLSH
T16701446571C0AE5A02B32A32C6228741FE311A5B027520D834AE223B9F305CB03E36CE
MD5 SHA1 SHA512 TLSH

Submit Download

qmxcszne.newcfg

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\qmxcszne.newcfg
Size 882B
SHA256 1ccbef290d36e29dc836047f94750beedd4ed769d25f88eb634272e2fc4de3ef
MD5 50ecb60055a2a8988269be0139268d57
SHA1 3cac4e5763e3066e092ae5f08383a6ca00944b65
SHA512 3dc59b30df7b21e011fff210f92fe155b206e3b870952e6183b45810ff4eb52de812a1d5d3ffa517456b30eecfdfdec16a00aeb70327d1e5aa9ffc9b97a75d14
TLSH
T11111496872C0AE5A02B71A32D6324785FD711A57017970E874AE61379F305DB07F36EE
MD5 SHA1 SHA512 TLSH

Submit Download

user.config

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e148c120221cb3bd)\user.config
Size 520B
SHA256 abf6438eb971f0f9eb51155ee3cf218b5d08943a95e0c4d677f86f0e70e63d36
MD5 83107f374e115a2f222f17a27764ae88
SHA1 9a6a866f112994525307a91b93531a0d9159f060
SHA512 b404596c975b503b8318604131bd1969baa0014ff7e8e25f55869d8fd2a3c2d3015110a54dc070f06a616fe50ba4416743664dd938abf1819e219477aa44cfcf
TLSH
T100F0E9A131C46E4B03635E23C5128741EE726B9B0555209874AF623A5F315CE03A35CE
MD5 SHA1 SHA512 TLSH

Submit Download

memory/252-39-0x0000000003410000-0x000000000341C000-memory.dmp

Download

memory/252-35-0x0000000003430000-0x000000000345E000-memory.dmp

Download

memory/252-43-0x0000000005590000-0x0000000005624000-memory.dmp

Download

memory/252-47-0x0000000005880000-0x0000000005A30000-memory.dmp

Download

memory/2608-2-0x0000000001A30000-0x0000000001A3C000-memory.dmp

Download

memory/2608-11-0x00000000741E0000-0x000000007499C000-memory.dmp

Download

memory/2608-0-0x00000000741F2000-0x00000000741F3000-memory.dmp

Download

memory/2608-8-0x00000000741E0000-0x000000007499C000-memory.dmp

Download

memory/2608-5-0x0000000005910000-0x0000000005938000-memory.dmp

Download

memory/2608-1-0x0000000001A00000-0x0000000001A08000-memory.dmp

Download

memory/2608-6-0x0000000005940000-0x0000000005AF0000-memory.dmp

Download

memory/2608-13-0x00000000741E0000-0x000000007499C000-memory.dmp

Download

memory/2608-4-0x0000000003390000-0x0000000003424000-memory.dmp

Download

memory/2608-7-0x00000000060C0000-0x000000000667A000-memory.dmp

Download

memory/2608-3-0x00000000741E0000-0x000000007499C000-memory.dmp

Download

memory/2608-9-0x00000000741E0000-0x000000007499C000-memory.dmp

Download

memory/3468-227-0x000000001BD70000-0x000000001BEF8000-memory.dmp

Download

memory/3468-225-0x000000001BA30000-0x000000001BBE0000-memory.dmp

Download

memory/3468-226-0x00000000028D0000-0x00000000028EA000-memory.dmp

Download

memory/3468-224-0x000000001B7E0000-0x000000001B874000-memory.dmp

Download

memory/3468-222-0x00000000005E0000-0x000000000068E000-memory.dmp

Download

memory/3468-223-0x000000001B3D0000-0x000000001B43C000-memory.dmp

Download

memory/4364-154-0x0000000004F70000-0x0000000004F8A000-memory.dmp

Download

memory/4864-171-0x0000000003CD0000-0x0000000003E80000-memory.dmp

Download

memory/4864-207-0x0000000003E80000-0x0000000003EC1000-memory.dmp

Download

memory/4864-208-0x00000000041F0000-0x00000000042C6000-memory.dmp

Download

memory/4864-206-0x0000000004000000-0x0000000004092000-memory.dmp

Download

memory/4864-205-0x0000000003EF0000-0x0000000003F5C000-memory.dmp

Download

memory/4864-186-0x0000000003C70000-0x0000000003CC0000-memory.dmp

Download

memory/4864-165-0x0000000003A30000-0x0000000003AC4000-memory.dmp

Download

memory/4888-77-0x0000000002860000-0x0000000002888000-memory.dmp

Download