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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e856d403e25ffdc6cdf697c1e1e2e5ce5c7816924e12d39b0d0029ca5ac557b. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2e856d403e25ffdc6cdf697c1e1e2e5ce5c7816924e12d39b0d0029ca5ac557b
SHA3-384 hash: 6a78cbe30ef8c8874060435bc8c3fe5e7b45585a84b30ee4b700c13598bed76035bdd218c07767cbd72fc7e82eca76bb
SHA1 hash: 828cb437da24266090696977a42e87be1a94c474
MD5 hash: b2feea19e25551f83a1635c6ca58b1f0
humanhash: sad-steak-bulldog-tango
File name:2e856d403e25ffdc6cdf697c1e1e2e5ce5c7816924e12d39b0d0029ca5ac557b.msi
Download: download sample
Signature ConnectWise
Create hunting rule
File size:9'961'472 bytes
First seen:2026-10-22 21:42:26 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:vHxcp9ym3nltDUJViHxcp9ym3aHxcp9ym3THxcp9ym3lHxcp9ym3:5GplpdGpoGp9GpXGp
TLSH T156A623116BF8D278F1F22A39D876A0B1A5367D119E23D12E2324791E2C75EC08A73777
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 whack_sh
Tags:ConnectWise msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
Link:
https://research.acce.ciphertechsolutions.com/results/0abc125d-202e-4be3-ade7-a58286464e8d/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/94178/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ada8378afb06e650cd8c8fc
Tags:
n/a
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 CAB evasive expand expired-cert explorer fingerprint installer installer lolbin lolbin overlay packed packed reconnaissance rundll32
Link:
https://www.filescan.io/uploads/6ada8373091d22f8b2d32ef3/reports/a9d77d4c-275b-4da5-885d-ded56a631a6f/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/2e856d403e25ffdc6cdf697c1e1e2e5ce5c7816924e12d39b0d0029ca5ac557b
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1990786
Signature
.NET source code references suspicious native API functions
Contains functionality to hide user accounts
Enables network access during safeboot for specific services
Joe Sandbox ML detected suspicious sample
Modifies security policies related information
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remote Access Tool - ScreenConnect Suspicious Execution
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1990786 Sample: 5HRumT0bs6.msi Startdate: 23/10/2026 Architecture: WINDOWS Score: 80 50 relay.firedmanlaw.co.uk 2->50 54 Multi AV Scanner detection for dropped file 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 .NET source code references suspicious native API functions 2->58 60 3 other signatures 2->60 8 msiexec.exe 94 49 2->8         started        12 ScreenConnect.ClientService.exe 2 5 2->12         started        15 msiexec.exe 6 2->15         started        signatures3 process4 dnsIp5 32 C:\Windows\Installer\MSI65E4.tmp, PE32 8->32 dropped 34 C:\Windows\Installer\MSI61DC.tmp, PE32 8->34 dropped 36 C:\...\ScreenConnect.WindowsFileManager.exe, PE32 8->36 dropped 40 9 other files (7 malicious) 8->40 dropped 64 Enables network access during safeboot for specific services 8->64 66 Modifies security policies related information 8->66 17 msiexec.exe 8->17         started        19 msiexec.exe 1 8->19         started        21 msiexec.exe 8->21         started        52 relay.firedmanlaw.co.uk 45.156.87.128, 49713, 8041 PFCLOUDPfcloudUGDE Netherlands 12->52 23 ScreenConnect.WindowsClient.exe 2 12->23         started        26 ScreenConnect.WindowsClient.exe 2 12->26         started        38 C:\Users\user\AppData\Local\...\MSI5AB7.tmp, PE32 15->38 dropped file6 signatures7 process8 signatures9 28 rundll32.exe 11 17->28         started        62 Contains functionality to hide user accounts 23->62 process10 file11 42 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 28->42 dropped 44 C:\...\ScreenConnect.InstallerActions.dll, PE32 28->44 dropped 46 C:\Users\user\...\ScreenConnect.Core.dll, PE32 28->46 dropped 48 4 other malicious files 28->48 dropped 68 Contains functionality to hide user accounts 28->68 signatures12
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
Link:
https://app.malva.re/file/b2feea19e25551f83a1635c6ca58b1f0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2e856d403e25ffdc6cdf697c1e1e2e5ce5c7816924e12d39b0d0029ca5ac557b/
Threat name:
ByteCode-MSIL.PUA.ConnectWise
Create hunting rule
Status:
Malicious
First seen:
2026-10-22 21:43:28 UTC
File Type:
Binary (Archive)
Extracted files:
172
AV detection:
12 of 36 (33.33%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f2cw2qb6ex75y3g7nf6b4hrolts4paljetqs2onq2abjzjnmkv5q._file
Verdict:
malicious
Label(s):
ADMINTOOL_ScreenConnect
Create hunting rule
Link:
https://reports.threatray.com/10b777ac-f75b-47a1-9c3b-fe934ee27d8b
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat revoked_codesign
Link:
https://tria.ge/reports/261022-1k14vsxz4p/
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
Reads the TCP/IP host and domain name from the registry
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
Link:
https://yomi.yoroi.company/submissions/2e856d403e25ffdc6cdf697c1e1e2e5ce5c7816924e12d39b0d0029ca5ac557b

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_RMM_ConnectWise_ScreenConnect
Create hunting rule
Author:ditekSHen
Description:Detects ConnectWise Control (formerly ScreenConnect). Review RMM Inventory
Rule name:JP_Lure_Content_Hunt
Create hunting rule
Author:sumeshi
Description:Hunts for files containing Japanese kana text or common Japanese lure terminology
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:win_evilconwi_w0
Create hunting rule
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 2e856d403e25ffdc6cdf697c1e1e2e5ce5c7816924e12d39b0d0029ca5ac557b

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/94178/

Comments