MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03ee3e6eb7772877eff5c7d26629a6c79a5b03647ac77d5ade067cbbc27932d4. 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 6 File information Comments

SHA256 hash: 03ee3e6eb7772877eff5c7d26629a6c79a5b03647ac77d5ade067cbbc27932d4
SHA3-384 hash: 69a5ed860fe2032364fff769448a242820cec83c2f9b62193d61f3b6870f366c825d5279981cf5a92ad8dc8fda7eee87
SHA1 hash: 8570c5073832a7edf0f96f6c7351991e9a3da8d7
MD5 hash: 6e2760e49fdc0583611879a81f6a6716
humanhash: carpet-carolina-eighteen-fanta
File name:bill.msi
Download: download sample
Signature ConnectWise
File size:13'488'128 bytes
First seen:2026-03-14 13:09:28 UTC
Last seen:2026-03-14 13:30:52 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 393216:FcVPOsdNcVPOZcVPONcVPOocVPO/cVPOUcVPOc:FcVmsdNcVmZcVmNcVmocVm/cVmUcVmc
TLSH T165D623226AFD8599F8F39F34F97A99A5853AFC248D62C01F1319780E1972B418673373
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 SquiblydooBlog
Tags:ConnectWise msi signed

Code Signing Certificate

Organisation:Bengbu Yitongjin Technology Co., Ltd.
Issuer:Sectigo Public Code Signing CA EV R36
Algorithm:sha256WithRSAEncryption
Valid from:2025-10-02T00:00:00Z
Valid to:2026-10-02T23:59:59Z
Serial number: dfc63ed833ce7ef89b6f7c00b0d7d663
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: c9ceb3faf3f056e35450cae2772e00df576c49d43f70902a45a192f7ce8449cc
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
63
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Malicious
Score:
90.2%
Tags:
connectwise shellcode spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 CAB evasive expand explorer fingerprint installer installer lolbin lolbin overlay packed packed privilege reconnaissance remoteadmin rundll32 signed stealer virus
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
Detections:
BSS:Trojan.Win32.Generic not-a-virus:HEUR:RemoteAdmin.Win32.ConnectWise.gen not-a-virus:HEUR:RemoteAdmin.MSIL.ConnectWise.gen
Gathering data
Threat name:
Win32.Trojan.Yomal
Status:
Malicious
First seen:
2026-03-13 13:40:11 UTC
File Type:
Binary (Archive)
Extracted files:
174
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
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)
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 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
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
Badlisted process makes network request
Enumerates connected drives
ConnectWise ScreenConnect remote access tool
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.

Comments