MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 838a421db4e9ae25ebf41b3c3bfe50c08f89f76a654ee51dbbb617fe54e9f145. 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 6 File information Comments

SHA256 hash: 838a421db4e9ae25ebf41b3c3bfe50c08f89f76a654ee51dbbb617fe54e9f145
SHA3-384 hash: a0b067a3277c17f6fbdd1c4fb5ce6f48c249502804efd3e0d0e51013aa134bc6b11fa9dcd2b89a5ce54e4ab3c4f0a32d
SHA1 hash: 6c387dc46d93f793465c2a8e836b8edae5be7f66
MD5 hash: 5ee603cde7f439488c0a84e0bfefa93a
humanhash: magnesium-july-fix-victor
File name:malw5500.msi
Download: download sample
Signature ConnectWise
File size:13'529'088 bytes
First seen:2026-07-29 17:03:32 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:aHxcp9ym3oltDUJVMHxcp9ym3uHxcp9ym3GHxcp9ym3FHxcp9ym3aHxcp9ym3NHk:oGpmpTGp8GpUGp3GpoGp/Gp
TLSH T1E5D623156BF89278F1F22A35E876A0B1A5377C525E22D12E2324790E2C75EC0C9B3777
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 BlinkzSec
Tags:ConnectWise

Intelligence


File Origin
# of uploads :
1
# of downloads :
67
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 CAB evasive expand expired-cert explorer fingerprint installer installer lolbin lolbin overlay packed packed reconnaissance rundll32 wix
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: 0.26 SOS: 0.27 SOS: 0.31 SOS: 0.32 SOS: 0.36 SOS: 0.39
Threat name:
ByteCode-MSIL.PUA.RAdminConnectWise
Status:
Malicious
First seen:
2026-07-29 16:36:05 UTC
File Type:
Binary (Archive)
Extracted files:
179
AV detection:
10 of 36 (27.78%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
ADMINTOOL_ScreenConnect
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence privilege_escalation ransomware 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 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 Windows directory
Boot or Logon Autostart Execution: Authentication Package
Drops file in System32 directory
Enumerates connected drives
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.

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
Rule name:win_evilconwi_w0
Author:Karsten Hahn @ G DATA CyberDefense
Description:Settings from app.config that hide the connection of the client. These settings are potentially unwanted

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 838a421db4e9ae25ebf41b3c3bfe50c08f89f76a654ee51dbbb617fe54e9f145

(this sample)

  
Delivery method
Distributed via web download

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