MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 304b7be7acdbae7d8073d41e5540b4078cb61a8558fcfe5253c2fe5b715f77da. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 304b7be7acdbae7d8073d41e5540b4078cb61a8558fcfe5253c2fe5b715f77da
SHA3-384 hash: 45604f72705a581ba1c6ecbdf32137bcb3f948d171628058f03f7591cef878be69a34217097cfc02d756f525a670482e
SHA1 hash: 46288514cabe50d51a99315d0c54f7fd475d37fb
MD5 hash: b27f8f4b32e859f156eedb9c813e9404
humanhash: fifteen-november-pasta-quiet
File name:ZoomWorkspace.msi
Download: download sample
Signature ConnectWise
File size:10'072'064 bytes
First seen:2026-03-03 11:52:49 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:/KaLNkbgci4QSKaLNkbgRKaLNkbg7KaLNkbg:XWgciHkWg1WgzWg
Threatray 1'827 similar samples on MalwareBazaar
TLSH T1B6A6237127F88429F1A75B39EE3A89E229387C64DA26C05F17B43D0E1971E509B72373
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter smica83
Tags:ConnectWise msi signed

Code Signing Certificate

Organisation:ConnectWise, LLC
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2025-06-23T00:00:00Z
Valid to:2028-06-22T23:59:59Z
Serial number: 0abbca120c79810a182f72f89c04358f
Intelligence: 206 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: b7902a93876909ba13bc23013f2c4239db57bfe742f500766a1673c5199fd1fb
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Malicious
Score:
99.1%
Tags:
connectwise shellcode virus
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 evasive expand explorer fingerprint installer installer lolbin packed revoked-cert rundll32 signed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Adware
File Type:
msi
Detections:
BSS:Trojan.Win32.Generic BSS:Exploit.Win32.Generic.nblk BSS:Exploit.Win32.Generic not-a-virus:HEUR:RemoteAdmin.Win32.ConnectWise.gen
Result
Threat name:
ScreenConnect Tool
Detection:
malicious
Classification:
evad
Score:
80 / 100
Signature
.NET source code references suspicious native API functions
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Enables network access during safeboot for specific services
Joe Sandbox ML detected suspicious sample
Modifies security policies related information
Multi AV Scanner detection for submitted file
Reads the Security eventlog
Reads the System eventlog
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1877418 Sample: ZoomWorkspace.msi Startdate: 03/03/2026 Architecture: WINDOWS Score: 80 54 parkinglot.screenconnect.com 2->54 56 instance-b8efql-relay.screenconnect.com 2->56 58 cloud.screenconnect.com 2->58 64 Multi AV Scanner detection for submitted file 2->64 66 .NET source code references suspicious native API functions 2->66 68 Contains functionality to hide user accounts 2->68 70 Joe Sandbox ML detected suspicious sample 2->70 8 msiexec.exe 95 48 2->8         started        12 ScreenConnect.ClientService.exe 17 21 2->12         started        15 svchost.exe 2->15         started        17 6 other processes 2->17 signatures3 process4 dnsIp5 36 C:\...\ScreenConnect.ClientService.exe, PE32 8->36 dropped 38 C:\Windows\Installer\MSI6BAD.tmp, PE32 8->38 dropped 40 C:\Windows\Installer\MSI67C4.tmp, PE32 8->40 dropped 44 9 other files (none is malicious) 8->44 dropped 72 Enables network access during safeboot for specific services 8->72 74 Modifies security policies related information 8->74 19 msiexec.exe 8->19         started        21 msiexec.exe 1 8->21         started        23 msiexec.exe 8->23         started        60 cloud.screenconnect.com 104.45.153.136, 443, 49720, 49721 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->60 76 Reads the Security eventlog 12->76 78 Reads the System eventlog 12->78 25 ScreenConnect.WindowsClient.exe 2 12->25         started        80 Changes security center settings (notifications, updates, antivirus, firewall) 15->80 28 MpCmdRun.exe 1 15->28         started        62 127.0.0.1 unknown unknown 17->62 42 C:\Users\user\AppData\Local\...\MSI5C78.tmp, PE32 17->42 dropped file6 signatures7 process8 signatures9 30 rundll32.exe 11 19->30         started        82 Contains functionality to hide user accounts 25->82 34 conhost.exe 28->34         started        process10 file11 46 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 30->46 dropped 48 C:\...\ScreenConnect.InstallerActions.dll, PE32 30->48 dropped 50 C:\Users\user\...\ScreenConnect.Core.dll, PE32 30->50 dropped 52 4 other files (none is malicious) 30->52 dropped 84 Contains functionality to hide user accounts 30->84 signatures12
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 SOS: 0.21 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.31 SOS: 0.36 SOS: 0.39
Threat name:
Win32.Trojan.Supma
Status:
Malicious
First seen:
2026-02-19 23:33:35 UTC
File Type:
Binary (Archive)
Extracted files:
174
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat
Behaviour
Checks SCSI registry key(s)
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 WriteProcessMemory
Uses Volume Shadow Copy service COM API
Event Triggered Execution: Installer Packages
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
Badlisted process makes network request
Enumerates connected drives
ConnectWise ScreenConnect remote access tool
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: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 304b7be7acdbae7d8073d41e5540b4078cb61a8558fcfe5253c2fe5b715f77da

(this sample)

  
Delivery method
Distributed via web download

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