MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd12c6d8caeb7e4a473c37878435e812db9a379b435ac1aa66b41e1036eb02eb. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash: bd12c6d8caeb7e4a473c37878435e812db9a379b435ac1aa66b41e1036eb02eb
SHA3-384 hash: b8b972108ab1707d75f81d254d65c4a5f88944de9b88335c7591fbe8750a9d652b075b0e136564b520f5de9cbaf3b14c
SHA1 hash: 71d9e693edb1956377ec7cecaa59af323d0ae5c6
MD5 hash: 0bb4bc5aa200a14a9af65ea221a1bb4e
humanhash: one-magnesium-november-uranus
File name:Microsoft_Excel.msi
Download: download sample
Signature ConnectWise
File size:16'670'720 bytes
First seen:2025-10-27 19:07:35 UTC
Last seen:2025-11-04 07:09:57 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 393216:oT3dHx9fWT3dbT3dNT3dMT3dTT3dYhFT3dYhYT3dYh:Q3dHrG3dH3dh3d03d/3dI53dIA3dI
Threatray 832 similar samples on MalwareBazaar
TLSH T1E6F6230222ED8565E9F3173AFA7A86A01A347C389912C06FA761391D1B73F4094FB777
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 juroots
Tags:ConnectWise msi signed

Code Signing Certificate

Organisation:CHRISSY'S CREDIBLE CLEANING LLC
Issuer:Sectigo Public Code Signing CA EV R36
Algorithm:sha256WithRSAEncryption
Valid from:2025-10-06T00:00:00Z
Valid to:2026-10-06T23:59:59Z
Serial number: 06f88e55252ff3342c6c47004dd8022a
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: bde1b53760b61024d4e99066f72c1f344d0bb50d91f7214ac9f2e52972b82a05
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
6
# of downloads :
49
Origin country :
CH CH
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.1%
Tags:
connectwise phishing
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand installer lolbin obfuscated remote rundll32 signed threat
Verdict:
Clean
File Type:
msi
First seen:
2025-10-28T11:11:00Z UTC
Last seen:
2025-10-28T11:39:00Z 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 SOS: 0.21 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.31 SOS: 0.36 SOS: 0.39
Verdict:
Malicious
Threat:
NetworkReferences.Malware.Generic
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
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
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