MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26fbda92490b8ab92a28b709b11b31361266714200fa8954f91bb0bbc96e9c2a. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 26fbda92490b8ab92a28b709b11b31361266714200fa8954f91bb0bbc96e9c2a
SHA3-384 hash: f2e1c6f40cb85db9e23dded816e829c85a6d29093ca0b3cbadceeafef80f98d1499a9f27e5c91d4e282368d3f2c97e5d
SHA1 hash: 5d928fd023e9b0e282236d9ffd8466374ab39cdc
MD5 hash: af05acd97b12b6f5d5c8a416fb6998e8
humanhash: two-bakerloo-hydrogen-wisconsin
File name:Client-74563(2025).msi
Download: download sample
Signature ConnectWise
Create hunting rule
File size:13'443'072 bytes
First seen:2025-11-05 17:02:39 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 98304:VWkigfFaKgYdGdYh3eqQumU73tc0WkigfFaKgYyWkigfFaKgYCWkigfFaKgYlWka:Vfa/YpeqQzKfarfaNfa6facfaPfao
Threatray 965 similar samples on MalwareBazaar
TLSH T1FDD6232163F80509F1B71938E83A90F65A36BD55DEA2D21F136A750D2D32E809EB3773
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 smica83
Tags:ConnectWise msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35555/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690b83595a5ed7864e232faf
Tags:
n/a
Gathering data
Verdict:
Suspicious
Labled as:
Trojan.MSI.MalScrnCnct
Link:
https://www.hybrid-analysis.com/sample/26fbda92490b8ab92a28b709b11b31361266714200fa8954f91bb0bbc96e9c2a
Verdict:
Unknown
File Type:
msi
Link:
https://opentip.kaspersky.com/26fbda92490b8ab92a28b709b11b31361266714200fa8954f91bb0bbc96e9c2a/results?tab=lookup
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1808754
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
Reads the Security eventlog
Reads the System eventlog
Sigma detected: Remote Access Tool - ScreenConnect Suspicious Execution
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1808754 Sample: Client-74563(2025).msi Startdate: 05/11/2025 Architecture: WINDOWS Score: 72 50 futureinnovationlab.com 2->50 56 .NET source code references suspicious native API functions 2->56 58 Contains functionality to hide user accounts 2->58 60 Joe Sandbox ML detected suspicious sample 2->60 62 Sigma detected: Remote Access Tool - ScreenConnect Suspicious Execution 2->62 8 ScreenConnect.ClientService.exe 2 5 2->8         started        12 msiexec.exe 94 51 2->12         started        15 msiexec.exe 6 2->15         started        signatures3 process4 dnsIp5 52 futureinnovationlab.com 51.89.107.107, 49690, 8041 OVHFR France 8->52 64 Reads the Security eventlog 8->64 66 Reads the System eventlog 8->66 17 ScreenConnect.WindowsClient.exe 2 8->17         started        20 ScreenConnect.WindowsClient.exe 2 8->20         started        32 C:\...\ScreenConnect.ClientService.exe, PE32 12->32 dropped 34 C:\Windows\Installer\MSI33AF.tmp, PE32 12->34 dropped 36 C:\Windows\Installer\MSI2CD8.tmp, PE32 12->36 dropped 40 9 other files (none is malicious) 12->40 dropped 68 Enables network access during safeboot for specific services 12->68 70 Modifies security policies related information 12->70 22 msiexec.exe 12->22         started        24 msiexec.exe 1 12->24         started        26 msiexec.exe 12->26         started        38 C:\Users\user\AppData\Local\...\MSI21AC.tmp, PE32 15->38 dropped file6 signatures7 process8 signatures9 54 Contains functionality to hide user accounts 17->54 28 rundll32.exe 11 22->28         started        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 files (none is malicious) 28->48 dropped 72 Contains functionality to hide user accounts 28->72 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: 0.36 SOS: 0.39
Link:
https://app.malva.re/file/af05acd97b12b6f5d5c8a416fb6998e8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/26fbda92490b8ab92a28b709b11b31361266714200fa8954f91bb0bbc96e9c2a/
Verdict:
Malicious
Threat:
ScreenConnect Tool
Link:
https://tip.neiki.dev/file/26fbda92490b8ab92a28b709b11b31361266714200fa8954f91bb0bbc96e9c2a
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e355vesjboflskriw4e3cgzrgyjgm4kcad5isvhzdoylxslotqva._file
Verdict:
malicious
Label(s):
admintool_screenconnect
Create hunting rule
Similar samples:
1b75c42801e9a5bd3facc5e084897f76e42010be75e77bd0f2db6a1d52790834
ConnectWise
1fd040c91b03f71d5a120f3c6b696da441d8424ba6f874991f5e7f1b014beb65
ConnectWise
26fbda92490b8ab92a28b709b11b31361266714200fa8954f91bb0bbc96e9c2a
ConnectWise
2f9155e9b3c398809d0ea8217600e6575d116b47744fcf76344622fbede1dddb
ConnectWise
3736f158f14a152920163270add0c7b202650ea3524ab584e3ce91088e1bccb0
ConnectWise
aae9aeae9cad1d3f39698f3e63f06ea1158d59ba9d076ce82591b21600ee91c3
ConnectWise
error
ConnectWise
+ 955 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
backdoor discovery persistence privilege_escalation ransomware rat revoked_codesign
Link:
https://tria.ge/reports/251105-vks6cswqfq/
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
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2d8af73b-7f8d-470d-939b-a73067efc7b9
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/26fbda92490b8ab92a28b709b11b31361266714200fa8954f91bb0bbc96e9c2a

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/35555/

Comments