🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fd59bfeee5019cf00a59a900449ec52794aaa4a32aa6f90a39a2c1d533ba4f2. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



ConnectWise


Vendor detections: 7


Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash: 4fd59bfeee5019cf00a59a900449ec52794aaa4a32aa6f90a39a2c1d533ba4f2
SHA3-384 hash: 7696894f947d45bbea72d7617008503f442d42a2781e978aebcd0bd8449bd264506d1b5e5637649f3f8b1ba0ba69f8af
SHA1 hash: ec5163d232d796bf7c4d4b75630d3c79a78d7af1
MD5 hash: cecfbe8715a786a8bdd4f9a284ecbce6
humanhash: nebraska-helium-purple-early
File name:ScreenConnect.ClientSetup.msi
Download: download sample
Signature ConnectWise
File size:16'936'960 bytes
First seen:2026-11-01 11:35:44 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 393216:C6ohU+8bjJ8GQq9ySZ8Ey6ohU+8bjJ8P6ohU+8bjJ8A6ohU+8bjJ8:toh0bjX9ySZz9oh0bjroh0bjkoh0bj
TLSH T1EC0733211BF8C855EAB30B75FA7B86B44637BC51A912D05F03A03E1D1972E819EA3377
Magika msi
Reporter abuse_ch
Tags:ConnectWise msi rmm screenconnect signed

Code Signing Certificate

Organisation:ConnectWise, LLC
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2026-02-20T00:00:00Z
Valid to:2027-02-19T23:59:59Z
Serial number: 01dddbc6e9163d407d980a3eaf798528
Intelligence: 165 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: e1db8670d34a3d8099b9815c9772b37025a7b5d1845ec5256eb22dad7e196725
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
SE SE
Vendor Threat Intelligence
Gathering data
Verdict:
Adware
File Type:
msi
First seen:
2026-11-01T04:53:00Z UTC
Last seen:
2026-11-02T09:00:00Z UTC
Hits:
~10
Result
Threat name:
ScreenConnect Tool
Detection:
malicious
Classification:
evad
Score:
40 / 100
Signature
Contains functionality to hide user accounts
Enables network access during safeboot for specific services
Modifies security policies related information
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remote Access Tool - ScreenConnect Suspicious Execution
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1996145 Sample: ScreenConnect.ClientSetup.msi Startdate: 01/11/2026 Architecture: WINDOWS Score: 40 69 instance-two534-relay.screenconnect.com 2->69 71 server-ovh30010042-relay.screenconnect.com 2->71 73 check.screenconnect.com 2->73 79 Multi AV Scanner detection for dropped file 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 Contains functionality to hide user accounts 2->83 85 Sigma detected: Remote Access Tool - ScreenConnect Suspicious Execution 2->85 8 msiexec.exe 94 48 2->8         started        12 msiexec.exe 8 2->12         started        14 ScreenConnect.ClientService.exe 2 9 2->14         started        signatures3 process4 dnsIp5 37 C:\Windows\Installer\MSI7EEB.tmp, PE32 8->37 dropped 39 C:\Windows\Installer\MSI7B9E.tmp, PE32 8->39 dropped 41 C:\...\ScreenConnect.WindowsFileManager.exe, PE32 8->41 dropped 49 9 other files (7 malicious) 8->49 dropped 89 Enables network access during safeboot for specific services 8->89 91 Modifies security policies related information 8->91 17 msiexec.exe 8->17         started        19 msiexec.exe 1 8->19         started        21 msiexec.exe 8->21         started        43 C:\Users\user\AppData\Local\...\MSI7016.tmp, PE32 12->43 dropped 45 C:\Users\user\AppData\Local\...\MSI62B7.tmp, PE32 12->45 dropped 47 C:\Users\user\AppData\Local\...\MSI5A1B.tmp, PE32 12->47 dropped 77 server-ovh30010042-relay.screenconnect.com 15.204.185.206, 443, 49744 OVHFR United States 14->77 23 ScreenConnect.WindowsClient.exe 14->23         started        26 ScreenConnect.WindowsClient.exe 2 14->26         started        file6 signatures7 process8 signatures9 28 rundll32.exe 15 13 17->28         started        33 rundll32.exe 12 17->33         started        35 rundll32.exe 11 17->35         started        87 Contains functionality to hide user accounts 23->87 process10 dnsIp11 75 check.screenconnect.com 34.203.114.159, 443, 49742 AMAZON-AES-AmazoncomIncUS United States 28->75 51 C:\...\ScreenConnect.WindowsInstaller.dll, PE32 28->51 dropped 53 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 28->53 dropped 55 C:\...\ScreenConnect.InstallerActions.dll, PE32 28->55 dropped 63 5 other malicious files 28->63 dropped 93 System process connects to network (likely due to code injection or exploit) 28->93 95 Contains functionality to hide user accounts 28->95 65 8 other malicious files 33->65 dropped 57 C:\...\ScreenConnect.WindowsInstaller.dll, PE32 35->57 dropped 59 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 35->59 dropped 61 C:\...\ScreenConnect.InstallerActions.dll, PE32 35->61 dropped 67 5 other malicious files 35->67 dropped file12 signatures13
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
.Net CAB:COMPRESSION:LZX CAB:COMPRESSION:NONE Executable Managed .NET Office Document PDB Path PE (Portable Executable) PE File Layout PE Memory-Mapped (Dump) SOS: 0.21 SOS: 0.25 SOS: 0.26 SOS: 0.28 SOS: 0.29 SOS: 0.33 SOS: 0.34 SOS: 0.36 SOS: 0.42 SOS: 0.48
Threat name:
Binary.PUA.ConnectWise
Status:
Malicious
First seen:
2026-10-09 00:08:36 UTC
File Type:
Binary (Archive)
Extracted files:
176
AV detection:
6 of 36 (16.67%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Event Triggered Execution: Installer Packages
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Boot or Logon Autostart Execution: Authentication Package
Drops file in System32 directory
Event Triggered Execution: Component Object Model Hijacking
Enumerates connected drives
ConnectWise ScreenConnect remote access tool
Badlisted process makes network request
Sets service image path in registry
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:INDICATOR_RMM_ConnectWise_ScreenConnect
Author:ditekSHen
Description:Detects ConnectWise Control (formerly ScreenConnect). Review RMM Inventory
Rule name:NET
Author:malware-lu
Rule name:RANSOMWARE
Author:ToroGuitar

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

ConnectWise

Microsoft Software Installer (MSI) msi 4fd59bfeee5019cf00a59a900449ec52794aaa4a32aa6f90a39a2c1d533ba4f2

(this sample)

  
Delivery method
Distributed via web download

Comments