MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c90653cfd88ee763a8fe78700b5dbf96053c90b2e54fff3ebf86ce7076f3daf. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 8c90653cfd88ee763a8fe78700b5dbf96053c90b2e54fff3ebf86ce7076f3daf
SHA3-384 hash: 7cbd000b1c119e957bcdea13c322f21d1f66481d6ac6454913e25465b0a7e06517f4125f56cb7a8cf76ba91b2bd85802
SHA1 hash: 1dd4df92bc59ae5258a93896f2d4663684a822c1
MD5 hash: 234a2643ced70d03ad18756f974ffff2
humanhash: oscar-fanta-may-illinois
File name:ZoomWorkspace.msi
Download: download sample
Signature ConnectWise
File size:13'537'280 bytes
First seen:2026-02-28 20:55:47 UTC
Last seen:2026-02-28 20:56:42 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:tHxcp9ym3nltDUJVzHxcp9ym32Hxcp9ym3MHxcp9ym3WHxcp9ym34Hxcp9ym36H0:fGplpoGpEGpqGpkGpGGpIGpL
TLSH T140D623116BF89678F0F22A35E876A0B1A5377C525E22D12E2324791E2C75EC0C9B3777
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 JAMESWT_WT
Tags:ConnectWise msi www-stattementviewonline-help

Intelligence


File Origin
# of uploads :
2
# of downloads :
48
Origin country :
IT IT
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Malicious
Score:
92.5%
Tags:
shellcode phishing
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Adware
File Type:
msi
First seen:
2026-02-01T17:07:00Z UTC
Last seen:
2026-02-01T17:23:00Z UTC
Hits:
~10
Detections:
BSS:Trojan.Win32.Generic.nblk BSS:Trojan.Win32.Generic not-a-virus:HEUR:RemoteAdmin.MSIL.ConnectWise.gen not-a-virus:RemoteAdmin.MSIL.ConnectWise.d not-a-virus:RemoteAdmin.MSIL.ConnectWise.c not-a-virus:RemoteAdmin.MSIL.ConnectWise.b not-a-virus:RemoteAdmin.MSIL.ConnectWise.a
Gathering data
Threat name:
Win32.PUA.RAdminConnectWise
Status:
Malicious
First seen:
2026-02-01 20:32:52 UTC
File Type:
Binary (Archive)
Extracted files:
175
AV detection:
16 of 36 (44.44%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
admintool_screenconnect
Similar samples:
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat revoked_codesign
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 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
Enumerates connected drives
ConnectWise ScreenConnect remote access tool
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Loads dropped DLL
Binary is signed using a ConnectWise certificate revoked for key compromise.
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.

Comments