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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 852374df118e93ba75d10d516237ebee894d435487c58bb35f436aa387cfd775. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 852374df118e93ba75d10d516237ebee894d435487c58bb35f436aa387cfd775
SHA3-384 hash: 7420466aeb45c593658fae0b43f6e744f8a4784e7c77aa6cb16b0f2771d15637297acead447b79adfd91a6ed85bf062b
SHA1 hash: d1b0dd855fafc639421fcc0db76c94d30d0f96f5
MD5 hash: 52e6020d1f22ae92efef1eac9e106567
humanhash: robin-oscar-oven-enemy
File name:ScreenConnect.ClientSetup.msi
Download: download sample
Signature ConnectWise
Create hunting rule
File size:9'957'376 bytes
First seen:2026-09-29 14:11:32 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:iHxcp9ym3nltDUJVeHxcp9ym3YHxcp9ym39Hxcp9ym3QHxcp9ym3:wGplppGpmGpvGp+Gp
TLSH T1F8A623116BF8D278F1F12A39D876A0B1A53A7D119E23D12E2324791E2C75EC0CA63777
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 abuse_ch
Tags:ConnectWise msi rmm screenconnect

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f560e957-9892-45fa-bd64-6ff8187f03df/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/89657/
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 CAB expand expired-cert installer installer lolbin overlay packed packed reconnaissance rundll32
Link:
https://www.filescan.io/uploads/6abbc74187f490f90ec27064/reports/a7ee399c-c0bc-4a79-996b-19d645c8d28f/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/852374df118e93ba75d10d516237ebee894d435487c58bb35f436aa387cfd775
Verdict:
Adware
File Type:
msi
First seen:
2026-09-29T09:37:00Z UTC
Last seen:
2026-09-30T12:28:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/852374df118e93ba75d10d516237ebee894d435487c58bb35f436aa387cfd775/results?tab=lookup
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1979507
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 dropped file
Multi AV Scanner detection for submitted file
Reads the Security eventlog
Reads the System eventlog
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1979507 Sample: ScreenConnect.ClientSetup.msi Startdate: 29/09/2026 Architecture: WINDOWS Score: 88 63 Multi AV Scanner detection for dropped file 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 .NET source code references suspicious native API functions 2->67 69 2 other signatures 2->69 7 msiexec.exe 94 49 2->7         started        11 ScreenConnect.ClientService.exe 2 5 2->11         started        14 svchost.exe 2->14         started        16 7 other processes 2->16 process3 dnsIp4 39 C:\Windows\Installer\MSI40B6.tmp, PE32 7->39 dropped 41 C:\Windows\Installer\MSI374F.tmp, PE32 7->41 dropped 43 C:\...\ScreenConnect.WindowsFileManager.exe, PE32 7->43 dropped 47 9 other files (7 malicious) 7->47 dropped 71 Enables network access during safeboot for specific services 7->71 73 Modifies security policies related information 7->73 18 msiexec.exe 7->18         started        20 msiexec.exe 1 7->20         started        22 msiexec.exe 7->22         started        57 64.112.84.195, 49706, 8041 HYONIX-HyonixSG United States 11->57 75 Reads the Security eventlog 11->75 77 Reads the System eventlog 11->77 24 ScreenConnect.WindowsClient.exe 2 11->24         started        27 ScreenConnect.WindowsClient.exe 2 11->27         started        79 Changes security center settings (notifications, updates, antivirus, firewall) 14->79 29 MpCmdRun.exe 14->29         started        59 127.0.0.1 unknown unknown 16->59 45 C:\Users\user\AppData\Local\...\MSI2915.tmp, PE32 16->45 dropped file5 signatures6 process7 signatures8 31 rundll32.exe 11 18->31         started        35 ShellExperienceHost.exe 18->35         started        81 Contains functionality to hide user accounts 24->81 37 conhost.exe 29->37         started        process9 file10 49 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 31->49 dropped 51 C:\...\ScreenConnect.InstallerActions.dll, PE32 31->51 dropped 53 C:\Users\user\...\ScreenConnect.Core.dll, PE32 31->53 dropped 55 4 other malicious files 31->55 dropped 61 Contains functionality to hide user accounts 31->61 signatures11
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: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.36 SOS: 0.39
Link:
https://app.malva.re/file/52e6020d1f22ae92efef1eac9e106567
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/852374df118e93ba75d10d516237ebee894d435487c58bb35f436aa387cfd775/
Threat name:
ByteCode-MSIL.PUA.RAdminConnectWise
Create hunting rule
Status:
Malicious
First seen:
2026-09-29 14:12:18 UTC
File Type:
Binary (Archive)
Extracted files:
172
AV detection:
9 of 24 (37.50%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qurxjxyrr2j3u5orbviwen7l52eu2q2uq7cyxm27invkhb6p252q._file
Verdict:
malicious
Label(s):
ADMINTOOL_ScreenConnect
Create hunting rule
Link:
https://reports.threatray.com/50201331-1cbf-4b0b-b6a9-54a1cec29e23
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat revoked_codesign
Link:
https://tria.ge/reports/260929-rhzctas1hy/
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
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
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
Link:
https://yomi.yoroi.company/submissions/852374df118e93ba75d10d516237ebee894d435487c58bb35f436aa387cfd775

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Author:ditekSHen
Description:Detects ConnectWise Control (formerly ScreenConnect). Review RMM Inventory
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
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 852374df118e93ba75d10d516237ebee894d435487c58bb35f436aa387cfd775

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3924958/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/89657/

Comments