MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98fd04031af897a657b71eebc1a3d6576f78d52a497c11868fbbce1dda893fbf. 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: 5


Intelligence 5 IOCs YARA 5 File information Comments

SHA256 hash: 98fd04031af897a657b71eebc1a3d6576f78d52a497c11868fbbce1dda893fbf
SHA3-384 hash: 53d78de8fa010911263443425164948b1f43ee9b786fb05272e961c577d1c09af844ace217cc4a51c8ce655ce63bf414
SHA1 hash: 061d976a62253a44067781a96f0446fb10455c53
MD5 hash: 0675f7ed8665b16d101ed18748c84206
humanhash: pluto-winner-florida-don
File name:ScreenConnect.ClientSetup.msi
Download: download sample
Signature ConnectWise
File size:10'227'712 bytes
First seen:2026-08-19 19:12:07 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:AgHxiFSsYwwSA/OdB+i4xzeebgHxiFSsYwwSA/OdB+EgHxiFSsYwwSA/OdB+LgHJ:A2xiFxbwpacC22xiFxbwpaD2xiFxbwpp
TLSH T156A6232063E58466F1B70A3EEE3586F4597A7E25DE12C08F63A4791C6D32E50CA72373
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 juroots
Tags:ConnectWise msi 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: 113 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 :
58
Origin country :
CH CH
Vendor Threat Intelligence
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: 0.27 SOS: 0.28 SOS: 0.31 SOS: 0.36 SOS: 0.39
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2026-08-15 01:28:08 UTC
File Type:
Binary (Archive)
Extracted files:
176
AV detection:
3 of 23 (13.04%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
ADMINTOOL_ScreenConnect
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat
Behaviour
Uses Volume Shadow Copy service COM API
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Boot or Logon Autostart Execution: Authentication Package
Drops file in System32 directory
Enumerates connected drives
ConnectWise ScreenConnect remote access tool
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Loads dropped DLL
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: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 98fd04031af897a657b71eebc1a3d6576f78d52a497c11868fbbce1dda893fbf

(this sample)

  
Delivery method
Distributed via web download

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