MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 434ffec81e6c1be4873754fa5854fd6c5b3d387a4b9f2119a7bfec8bbe181d9f. 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
| SHA256 hash: | 434ffec81e6c1be4873754fa5854fd6c5b3d387a4b9f2119a7bfec8bbe181d9f |
|---|---|
| SHA3-384 hash: | 1c1b7854025a07ab876b286418009bb476a4464d45cb1975fcb102a8ec7b173f5e0115d74cca34400b9f91a177f8791a |
| SHA1 hash: | 5bce0848e9583ce06feb197cfe8b5d855687c966 |
| MD5 hash: | 34e491628226e530a2a298f6e1a5c960 |
| humanhash: | quiet-march-six-hawaii |
| File name: | 472922.msi |
| Download: | download sample |
| Signature | ConnectWise |
| File size: | 11'698'176 bytes |
| First seen: | 2026-09-12 20:22:23 UTC |
| Last seen: | Never |
| File type: |  msi |
| MIME type: | application/x-msi |
| ssdeep | 196608:QrnLYG3zDhukOUrnLYG3zErnLYG3zSrnLYG3z8rnLYG3zgrnLYG3z:QbDDDgvUbDDEbDDSbDD8bDDgbDD |
| TLSH | T18FC6233267FD4918E1F36778ED3A91E291367C65CF12C08F2654786E6871E8096A333B |
| 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 |  BastianHein |
| Tags: | ConnectWise msi |
Intelligence
File Origin
# of uploads :
1
# of downloads :
70
Origin country :
CLVendor Threat Intelligence
Gathering data
Detection:
n/a
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 CAB evasive expand expired-cert explorer fingerprint hacktool installer installer lolbin lolbin overlay packed packed reconnaissance rundll32
Verdict:
Suspicious
Labled as:
RemoteAdmin.ConnectWiseControl
Verdict:
Adware
File Type:
msi
First seen:
2026-05-06T18:42:00Z UTC
Last seen:
2026-05-07T10:35:00Z UTC
Hits:
~10
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 PE Memory-Mapped (Dump) SOS: 0.21 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.31 SOS: 0.32 SOS: 0.36 SOS: 0.39 SOS: 0.64
Threat name:
ByteCode-MSIL.PUA.ConnectWise
Status:
Malicious
First seen:
2026-05-06 01:04:01 UTC
File Type:
Binary (Archive)
Extracted files:
173
AV detection:
13 of 36 (36.11%)
Threat level:
1/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
ADMINTOOL_ScreenConnect
Result
Malware family:
n/a
Score:
8/10
Tags:
backdoor discovery 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 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
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
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
Delivery method
Distributed via web download
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.