MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 879617884d18a22bbd36afdcd7bce133f1e1cf92471fea46c7632ce40ca3fa56. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: 879617884d18a22bbd36afdcd7bce133f1e1cf92471fea46c7632ce40ca3fa56
SHA3-384 hash: 79da2d721bdea696f949cded0f46528ab26c691500b1d19f6d949d22414accfaf7f851454245c75652b2e680261de18a
SHA1 hash: 9464c8426b47711a47c1864eec5f7bae7cafc8cc
MD5 hash: 8fdc02993d546080944d078da149d503
humanhash: gee-failed-river-kansas
File name:ScreenConnect.ClientSetup.msi
Download: download sample
Signature ConnectWise
File size:10'227'712 bytes
First seen:2026-07-29 08:19:12 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:Deq5KqDBCDkStXQEneq5KqDBCDkSt3eq5KqDBCDkStAeq5KqDBCDkSt:Cq5VDBCDxXQEeq5VDBCDxOq5VDBCDxdT
TLSH T1F2A6233267E8D425F1B60B3AEC3A86B16A39BD10DF15C40F2364784D6971D81C6A37BB
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 cocaman
Tags:ConnectWise msi

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
CH CH
Vendor Threat Intelligence
Result
Threat name:
ScreenConnect Tool
Detection:
malicious
Classification:
evad
Score:
69 / 100
Signature
.NET source code references suspicious native API functions
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
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1949390 Sample: ScreenConnect.ClientSetup.msi Startdate: 29/07/2026 Architecture: WINDOWS Score: 69 67 server-ovh30010022-relay.screenconnect.com 2->67 69 instance-jr7nv7-relay.screenconnect.com 2->69 71 check.screenconnect.com 2->71 77 Multi AV Scanner detection for dropped file 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 .NET source code references suspicious native API functions 2->81 83 2 other signatures 2->83 8 msiexec.exe 93 48 2->8         started        12 ScreenConnect.ClientService.exe 2 9 2->12         started        15 msiexec.exe 8 2->15         started        signatures3 process4 dnsIp5 35 C:\Windows\Installer\MSI407F.tmp, PE32 8->35 dropped 37 C:\Windows\Installer\MSI3D13.tmp, PE32 8->37 dropped 39 C:\...\ScreenConnect.WindowsFileManager.exe, PE32 8->39 dropped 47 9 other files (7 malicious) 8->47 dropped 87 Enables network access during safeboot for specific services 8->87 89 Modifies security policies related information 8->89 17 msiexec.exe 8->17         started        19 msiexec.exe 1 8->19         started        21 msiexec.exe 8->21         started        75 server-ovh30010022-relay.screenconnect.com 15.204.154.40, 443, 49715 OVHFR United States 12->75 91 Reads the Security eventlog 12->91 93 Reads the System eventlog 12->93 23 ScreenConnect.WindowsClient.exe 2 12->23         started        41 C:\Users\user\AppData\Local\...\MSI344A.tmp, PE32 15->41 dropped 43 C:\Users\user\AppData\Local\...\MSI2A94.tmp, PE32 15->43 dropped 45 C:\Users\user\AppData\Local\...\MSI23FC.tmp, PE32 15->45 dropped file6 signatures7 process8 signatures9 26 rundll32.exe 15 13 17->26         started        31 rundll32.exe 12 17->31         started        33 rundll32.exe 11 17->33         started        85 Contains functionality to hide user accounts 23->85 process10 dnsIp11 73 check.screenconnect.com 35.171.115.96, 443, 49711 AMAZON-AES-AmazoncomIncUS United States 26->73 49 C:\...\ScreenConnect.WindowsInstaller.dll, PE32 26->49 dropped 51 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 26->51 dropped 53 C:\...\ScreenConnect.InstallerActions.dll, PE32 26->53 dropped 61 5 other malicious files 26->61 dropped 95 System process connects to network (likely due to code injection or exploit) 26->95 97 Contains functionality to hide user accounts 26->97 63 8 other malicious files 31->63 dropped 55 C:\...\ScreenConnect.WindowsInstaller.dll, PE32 33->55 dropped 57 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 33->57 dropped 59 C:\...\ScreenConnect.InstallerActions.dll, PE32 33->59 dropped 65 5 other malicious files 33->65 dropped file12 signatures13
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2026-07-29 09:13:34 UTC
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Verdict:
suspicious
Label(s):
ADMINTOOL_ScreenConnect
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 SetWindowsHookEx
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
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.

  
Delivery method
Other

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