MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a3ac637f33bb3945aa82d53f8579f618ceb664d9b714cb667fdd9bbfa5337266. 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
| SHA256 hash: | a3ac637f33bb3945aa82d53f8579f618ceb664d9b714cb667fdd9bbfa5337266 |
|---|---|
| SHA3-384 hash: | 5fca34a66eaab393af603d3b5f18e600cec0e69c05928626d9c2077d51efb4710a60f3b9ab44b5421900b8cb3574c2f6 |
| SHA1 hash: | d495176afd42a53fe5a7144e8eae9b218272dc39 |
| MD5 hash: | 6b429a6e47265bcd04eea1c274878a19 |
| humanhash: | uniform-spaghetti-snake-alpha |
| File name: | MEWDesktop-Installer.msi |
| Download: | download sample |
| Signature | ConnectWise |
| File size: | 44'544 bytes |
| First seen: | 2026-03-23 07:29:38 UTC |
| Last seen: | Never |
| File type: |  msi |
| MIME type: | application/x-msi |
| ssdeep | 768:Jz4kzqEw1/iLwiB5LTPz5Yw7ZNzNSBkPN+Y7N2Ip4fTxf1ml9dHm7LZK:JMkw1/i7bz5YMp887Q9lfIbHmn8 |
| Threatray | 1'912 similar samples on MalwareBazaar |
| TLSH | T1D213AECAB4559517D643AE3192E5CFA32A78EFC34C46911B36E6B3880DB73C1B39D0A4 |
| TrID | 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5) 11.5% (.) Generic OLE2 / Multistream Compound (8000/1) |
| Magika | cab |
| Reporter |  abuse_ch |
| Tags: | ConnectWise msi rmm screenconnect signed |
Code Signing Certificate
| Organisation: | Perry Sabrina Ann |
|---|---|
| Issuer: | Microsoft ID Verified CS AOC CA 02 |
| Algorithm: | sha384WithRSAEncryption |
| Valid from: | 2026-03-18T22:30:22Z |
| Valid to: | 2026-03-21T22:30:22Z |
| Serial number: | 330008568d4a72f36727c1360000000008568d |
| Cert Graveyard Blocklist: | This certificate is on the Cert Graveyard blocklist |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 39eda9dffadb255c9ffbdb2516a4ca05f7273b0a27b6bd6e56459012172eec24 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
76
Origin country :
SEVendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Detection:
n/a
Verdict:
Malicious
Score:
81.4%
Tags:
phishing spawn
Gathering data
Verdict:
Malicious
File Type:
msi
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.VBS.SAgent.gen HEUR:Trojan.PowerShell.Generic Trojan.JS.SAgent.sb RemoteAdmin.ConnectWise.HTTP.C&C NetTool.PowerShellUA.HTTP.C&C NetTool.PowerShellGet.HTTP.C&C not-a-virus:HEUR:RemoteAdmin.MSIL.ConnectWise.gen
Result
Threat name:
ScreenConnect Tool
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected malicious Powershell script
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Detected unpacking (creates a PE file in dynamic memory)
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
Potential malicious VBS script found (suspicious strings)
Reads the Security eventlog
Reads the System eventlog
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript called in batch mode (surpress errors)
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
ARCHIVE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
CAB:COMPRESSION:MSZIP Executable Office Document PE (Portable Executable) PE File Layout
Verdict:
Malicious
Threat:
Trojan.PowerShell.SAgent
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-03-22 10:31:43 UTC
File Type:
Binary (Archive)
Extracted files:
1
AV detection:
11 of 38 (28.95%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
admintool_screenconnect
Similar samples:
+ 1'902 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
backdoor discovery execution persistence privilege_escalation ransomware rat revoked_codesign
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 WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
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
Command and Scripting Interpreter: PowerShell
Sets service image path in registry
Signed with revoked ConnectWise certificate
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.