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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91af9fb3cfdd4fb955b15d9b074c782a2100a5287765fbf3f75ec73486c3c815. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91af9fb3cfdd4fb955b15d9b074c782a2100a5287765fbf3f75ec73486c3c815
SHA3-384 hash: 45a06a8e6dc881e9efd0610b152d79595afcc3b7c57ea5abc859e033108b644fc0861280a345f2ea13d580eee83f8456
SHA1 hash: 9f6963eb0d168b547f400c7a42734c9e2709a07c
MD5 hash: ccdc693a3c5c7803d37addee376a7264
humanhash: winner-eight-queen-seven
File name:91af9fb3cfdd4fb955b15d9b074c782a2100a5287765fbf3f75ec73486c3c815.msi
Download: download sample
Signature ConnectWise
Create hunting rule
File size:10'260'480 bytes
First seen:2026-11-13 00:16:21 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:RMOo/K6Sdr3tyiCFKpj10LMOo/K6Sdr3t+MOo/K6Sdr3tLMOo/K6Sdr3t:RyK6ck1K70LyK6cUyK6c1yK6c
TLSH T17EA6232027F99129F1FA0639EE3992B529767D10DB23C16F53693D0E1A71E40D7A23B3
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 Tuxxin
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: 185 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 :
70
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9eeecb09-97df-490c-bad2-2163c1411d77/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/99710/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af6570883200b505eda53a0
Tags:
connectwise shellcode ordin virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Loading a suspicious library
Creating a file
Deleting a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug base64 CAB expand installer installer lolbin overlay packed packed reconnaissance rundll32 signed
Link:
https://www.filescan.io/uploads/6af65709c0ee5b91aede5bff/reports/d762fc1e-7176-4b10-8964-001b1aadbd44/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/91af9fb3cfdd4fb955b15d9b074c782a2100a5287765fbf3f75ec73486c3c815
Verdict:
Adware
File Type:
msi
Link:
https://opentip.kaspersky.com/91af9fb3cfdd4fb955b15d9b074c782a2100a5287765fbf3f75ec73486c3c815/results?tab=lookup
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
44 / 100
Link:
https://www.joesandbox.com/analysis/2005057
Signature
.NET source code references suspicious native API functions
Contains functionality to hide user accounts
Creates files in the system32 config directory
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
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2005057 Sample: bRUfSmqJyr.msi Startdate: 13/11/2026 Architecture: WINDOWS Score: 44 77 server-ovh1030233-relay.screenconnect.com 2->77 79 instance-vqioxe-relay.screenconnect.com 2->79 81 check.screenconnect.com 2->81 89 Multi AV Scanner detection for dropped file 2->89 91 Multi AV Scanner detection for submitted file 2->91 93 .NET source code references suspicious native API functions 2->93 95 2 other signatures 2->95 8 msiexec.exe 95 48 2->8         started        12 msiexec.exe 8 2->12         started        14 ScreenConnect.ClientService.exe 2 9 2->14         started        17 6 other processes 2->17 signatures3 process4 dnsIp5 61 C:\Windows\Installer\MSI95E6.tmp, PE32 8->61 dropped 63 C:\Windows\Installer\MSI9393.tmp, PE32 8->63 dropped 65 C:\...\ScreenConnect.WindowsFileManager.exe, PE32 8->65 dropped 73 10 other files (8 malicious) 8->73 dropped 97 Enables network access during safeboot for specific services 8->97 99 Modifies security policies related information 8->99 19 msiexec.exe 8->19         started        21 msiexec.exe 1 8->21         started        23 msiexec.exe 8->23         started        67 C:\Users\user\AppData\Local\...\MSI636C.tmp, PE32 12->67 dropped 69 C:\Users\user\AppData\Local\...\MSI5AFF.tmp, PE32 12->69 dropped 71 C:\Users\user\AppData\Local\...\MSI530F.tmp, PE32 12->71 dropped 83 server-ovh1030233-relay.screenconnect.com 40.160.26.220, 443, 49719 OVHFR United States 14->83 25 ScreenConnect.WindowsClient.exe 14->25         started        28 ScreenConnect.WindowsClient.exe 14->28         started        30 MpCmdRun.exe 17->30         started        file6 signatures7 process8 signatures9 32 rundll32.exe 15 13 19->32         started        37 rundll32.exe 11 19->37         started        39 rundll32.exe 12 19->39         started        101 Creates files in the system32 config directory 25->101 103 Contains functionality to hide user accounts 25->103 41 conhost.exe 30->41         started        process10 dnsIp11 75 check.screenconnect.com 44.217.253.46, 443, 49714 AMAZON-AES-AmazoncomIncUS United States 32->75 43 C:\...\ScreenConnect.WindowsInstaller.dll, PE32 32->43 dropped 45 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 32->45 dropped 47 C:\...\ScreenConnect.InstallerActions.dll, PE32 32->47 dropped 55 5 other malicious files 32->55 dropped 85 System process connects to network (likely due to code injection or exploit) 32->85 87 Contains functionality to hide user accounts 32->87 49 C:\...\ScreenConnect.WindowsInstaller.dll, PE32 37->49 dropped 51 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 37->51 dropped 53 C:\...\ScreenConnect.InstallerActions.dll, PE32 37->53 dropped 57 5 other malicious files 37->57 dropped 59 8 other malicious files 39->59 dropped file12 signatures13
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: 0.32 SOS: 0.36 SOS: 0.39
Link:
https://app.malva.re/file/ccdc693a3c5c7803d37addee376a7264
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91af9fb3cfdd4fb955b15d9b074c782a2100a5287765fbf3f75ec73486c3c815/
Threat name:
ByteCode-MSIL.PUA.ConnectWise
Create hunting rule
Status:
Malicious
First seen:
2026-11-12 21:09:40 UTC
File Type:
Binary (Archive)
Extracted files:
176
AV detection:
6 of 36 (16.67%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgxz7m6p3vh3svnrlwnqotdyfiqqbjjio5s7x47xl3dtjbwdzakq._file
Verdict:
malicious
Label(s):
ADMINTOOL_ScreenConnect
Create hunting rule
Link:
https://reports.threatray.com/9ca5eb3b-bda9-4f54-85f7-20e71a9602de
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat
Link:
https://tria.ge/reports/261113-ak5tyax15n/
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
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
Enumerates connected drives
ConnectWise ScreenConnect remote access tool
Badlisted process makes network request
Sets service image path in registry
Malware Family:
n/a
Verdict:
Suspicious
Tags:
n/a
YARA:
ParentProcessEvasion win_token
Link:
https://app.threat.zone/submission/40ba73e5-dfb8-4203-95f1-2684a2466e86
Malware Family:
connectwise
Create hunting rule
Malicious:
True
Tags:
signed msi persistence wmi-activity obfuscated adapter-discovery usb-check debug-check
Link:
https://intel.virussign.com/intelligence/file/91af9fb3cfdd4fb955b15d9b074c782a2100a5287765fbf3f75ec73486c3c815
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/91af9fb3cfdd4fb955b15d9b074c782a2100a5287765fbf3f75ec73486c3c815

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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 91af9fb3cfdd4fb955b15d9b074c782a2100a5287765fbf3f75ec73486c3c815

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/99710/
  
URLhaus
https://urlhaus.abuse.ch/url/4064956/

Comments