MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8f5a4d26b10be34a2b865ad914b296f3618998d42e1c12ef0374c014b8bac58. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8f5a4d26b10be34a2b865ad914b296f3618998d42e1c12ef0374c014b8bac58
SHA3-384 hash: b1835f7ce2ff7b39c946394e8fe3ec66d199af433206c7de28218737a85553cf966c2f9ea3ff786ca8225657691505e3
SHA1 hash: fbceed6a5be0e3b39b8e28288797ce791264dfde
MD5 hash: 84fc14836b99af724d8d58c3a34911ad
humanhash: robert-foxtrot-lamp-sad
File name:msi2.vbs
Download: download sample
Signature ConnectWise
Create hunting rule
File size:2'526 bytes
First seen:2026-01-04 17:16:20 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:eKySN7j7ksLvfbdJsUrBuYaRpunagA+ANtDWE:PksLvBJNYYGunpA+ctDWE
Threatray 1'087 similar samples on MalwareBazaar
TLSH T14351326FF54AE2354E725373A0B26C6DDF570259154081A07EAE808DEB2122DDBAC2DA
Magika vba
Reporter smica83
Tags:vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/47617/
Detection(s):
Sanesecurity.Malware.26618.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695aa09bd2357cccc3df6186
Tags:
dropper shell sage
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c8f5a4d26b10be34a2b865ad914b296f3618998d42e1c12ef0374c014b8bac58
Verdict:
Malicious
File Type:
vbs
First seen:
2026-01-04T14:27:00Z UTC
Last seen:
2026-01-04T17:52:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.VBS.Agent.gen Trojan.Win32.Agent.sb RemoteAdmin.ConnectWise.HTTP.C&C not-a-virus:HEUR:RemoteAdmin.MSIL.ConnectWise.gen
Link:
https://opentip.kaspersky.com/c8f5a4d26b10be34a2b865ad914b296f3618998d42e1c12ef0374c014b8bac58/results?tab=lookup
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1844464
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
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
Potential malicious VBS script found (suspicious strings)
Reads the Security eventlog
Reads the System eventlog
Sigma detected: PowerShell DownloadFile
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Set custom UserAgent and download file via Powershell
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Uses known network protocols on non-standard ports
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1844464 Sample: msi2.vbs Startdate: 04/01/2026 Architecture: WINDOWS Score: 100 69 Sigma detected: Set custom UserAgent and download file via Powershell 2->69 71 .NET source code contains potential unpacker 2->71 73 .NET source code references suspicious native API functions 2->73 75 8 other signatures 2->75 8 msiexec.exe 93 53 2->8         started        12 wscript.exe 1 2->12         started        14 ScreenConnect.ClientService.exe 2 5 2->14         started        process3 file4 49 C:\Windows\Installer\MSI799.tmp, PE32 8->49 dropped 51 C:\Windows\Installer\MSI5D2.tmp, PE32 8->51 dropped 53 C:\Windows\Installer\MSI1D9.tmp, PE32 8->53 dropped 55 10 other files (5 malicious) 8->55 dropped 87 Enables network access during safeboot for specific services 8->87 89 Modifies security policies related information 8->89 16 msiexec.exe 8->16         started        18 msiexec.exe 1 8->18         started        91 VBScript performs obfuscated calls to suspicious functions 12->91 93 Wscript starts Powershell (via cmd or directly) 12->93 95 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->95 97 Suspicious execution chain found 12->97 20 wscript.exe 1 12->20         started        23 cmd.exe 1 12->23         started        99 Reads the Security eventlog 14->99 101 Reads the System eventlog 14->101 25 ScreenConnect.WindowsClient.exe 2 14->25         started        27 ScreenConnect.WindowsClient.exe 2 14->27         started        signatures5 process6 signatures7 29 rundll32.exe 11 16->29         started        77 Wscript starts Powershell (via cmd or directly) 20->77 33 cmd.exe 1 20->33         started        35 msiexec.exe 20->35         started        79 Suspicious powershell command line found 23->79 81 Tries to download and execute files (via powershell) 23->81 83 Bypasses PowerShell execution policy 23->83 37 net.exe 1 23->37         started        39 conhost.exe 23->39         started        85 Contains functionality to hide user accounts 25->85 process8 file9 59 C:\Windows\...\ScreenConnect.Windows.dll, PE32 29->59 dropped 61 C:\...\ScreenConnect.InstallerActions.dll, PE32 29->61 dropped 63 C:\Windows\...\ScreenConnect.Core.dll, PE32 29->63 dropped 65 4 other malicious files 29->65 dropped 103 Contains functionality to hide user accounts 29->103 105 Suspicious powershell command line found 33->105 107 Wscript starts Powershell (via cmd or directly) 33->107 109 Tries to download and execute files (via powershell) 33->109 41 powershell.exe 14 16 33->41         started        45 conhost.exe 33->45         started        47 net1.exe 1 37->47         started        signatures10 process11 dnsIp12 67 209.50.227.155, 49690, 8040 LEASEWEB-USA-WDCUS United States 41->67 57 ScreenConnect_Inst...y_Organization).msi, Composite 41->57 dropped file13
Score:
21%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/c8f5a4d26b10be34a2b865ad914b296f3618998d42e1c12ef0374c014b8bac58
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8f5a4d26b10be34a2b865ad914b296f3618998d42e1c12ef0374c014b8bac58/
Verdict:
Malicious
Threat:
Family.CONNECTWISE
Link:
https://tip.neiki.dev/file/c8f5a4d26b10be34a2b865ad914b296f3618998d42e1c12ef0374c014b8bac58
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-01-04 10:39:18 UTC
File Type:
Text (VBS)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zd22jutlcc7djivymwwzcszjn43brgmnilq4clxqg5gacs4lvrma._file
Verdict:
suspicious
Label(s):
admintool_screenconnect
Create hunting rule
Similar samples:
1c7af2a207fb45a7c54613e5f7d185ea20afe2d36fcff25f09e2163025eba216
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99e7b628ee17aca20a951378ea88373f0208e48b80fc85b8936099ae570b5a77
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acaa6d40c3adbd7079e1411de4e33782ebd5c118baca2ab01562e7f2220e8eab
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cdd8ac48dcfa2f4ea670ec74601f12c580d1c303e507532750ebcc0615952066
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de4389a26b3a562cf9aabfe150ad4fbf1f3f577fae8528bdf84b4fc860cfaabe
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eea99f22aca1ebe449b97faafe79fd1d6e71441ccc40315a2e629280f65de0f8
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error
ConnectWise
f50bb85de2859695c5a82a061f9bb4ca53a96df654b3555f67bcacb7150d53fc
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fab6011a3cb8ae1a26d6b5267510c63cfd3f36ee912d5d9c367991b33b61b41a
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fc7ee0a9cffabfd03e1b972bcbfd4504289482f86c83c391165ebe5253995ef9
ConnectWise
+ 1'077 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
backdoor discovery execution persistence privilege_escalation rat revoked_codesign
Link:
https://tria.ge/reports/260106-jdtyjadr3w/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Modifies registry class
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Command and Scripting Interpreter: PowerShell
Enumerates connected drives
Checks computer location settings
ConnectWise ScreenConnect remote access tool
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Loads dropped DLL
Badlisted process makes network request
Binary is signed using a ConnectWise certificate revoked for key compromise.
Sets service image path in registry
Malware Config
Dropper Extraction:
http://209.50.227.155:8040/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest
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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Detect_Remcos_RAT
Create hunting rule
Author:daniyyell
Description:Detects Remcos RAT payloads and commands
Rule name:Suspicious_Process
Create hunting rule
Author:Security Research Team
Description:Suspicious process creation
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

ConnectWise

Visual Basic Script (vbs) vbs c8f5a4d26b10be34a2b865ad914b296f3618998d42e1c12ef0374c014b8bac58

(this sample)

ConnectWise

Microsoft Software Installer (MSI) msi 2a63dd3034c2a3ac29e60a80e0298415db8b2ccb6ea40811310e530e5278c50a

Cape
Cape
https://www.capesandbox.com/analysis/47617/
  
Dropping
SHA256 2a63dd3034c2a3ac29e60a80e0298415db8b2ccb6ea40811310e530e5278c50a
  
Dropping
MD5 f7d5f8eea573805b20464909e7ab08ec

Comments