MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5aca84d6ed69712edbf572db54cfdfd4375f5f89326e5fcecbe2adf9b9fee68. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5aca84d6ed69712edbf572db54cfdfd4375f5f89326e5fcecbe2adf9b9fee68
SHA3-384 hash: 1abb1b8a6e3e303efcf9d428dcd410d31702cbffe0ee0f42cc9b002ebe573be3a665ca4a2950f573ef9677e77058627c
SHA1 hash: 1978b08abda19831752c98ae286283024472b243
MD5 hash: a2262594095967220b064086164c7ad3
humanhash: september-speaker-nebraska-charlie
File name:VC_redist.x86.msi
Download: download sample
Signature ConnectWise
Create hunting rule
File size:9'924'608 bytes
First seen:2025-03-31 23:31:33 UTC
Last seen:2025-04-02 10:16:55 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:21/FF3bBa1H9773cFF3bBTFF3bBsFF3bBmFF3bB:G/T3dax9fcT3dTT3dsT3dmT3d
TLSH T1D3A6232122EC8126E5B71B39EA3A86F05539BD70DA16C06F57243E0D2A71F80C6B7777
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 aachum
Tags:ConnectWise jmutanen software Oy msi signed

Code Signing Certificate

Organisation:jmutanen software Oy
Issuer:SSL.com EV Code Signing Intermediate CA RSA R3
Algorithm:sha256WithRSAEncryption
Valid from:2025-03-03T17:10:55Z
Valid to:2026-03-03T17:10:55Z
Serial number: 5d0f3064fc92cc703ef200ca9c344f56
Intelligence: 18 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 822ef8b22669c1721f29c194b8eff2de3beb2598a567e38f4e57c35ca2475089
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
iamaachum
https://sourceforge.net/projects/stake-predictor/

ScreenConnect C2: microsoftnet.ru

Intelligence

File Origin
# of uploads :
2
# of downloads :
67
Origin country :
ES ES
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67eb27b2855e5ec5240b160d
Tags:
shellcode dropper remo
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-vm evasive expand explorer installer lolbin lolbin masquerade packed remote rundll32 signed wix
Link:
https://www.filescan.io/uploads/67eb25f5f274bf2d8e2b5d8d/reports/52da6a2f-199f-40c1-b450-2b29b4eddc98/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b5aca84d6ed69712edbf572db54cfdfd4375f5f89326e5fcecbe2adf9b9fee68
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/b5aca84d6ed69712edbf572db54cfdfd4375f5f89326e5fcecbe2adf9b9fee68
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
ScreenConnect Tool
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1653280
Signature
.NET source code references suspicious native API functions
Changes security center settings (notifications, updates, antivirus, firewall)
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
Possible COM Object hijacking
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: 1653280 Sample: VC_redist.x86.msi Startdate: 01/04/2025 Architecture: WINDOWS Score: 80 56 microsoftnet.ru 2->56 64 .NET source code references suspicious native API functions 2->64 66 Contains functionality to hide user accounts 2->66 68 Possible COM Object hijacking 2->68 70 2 other signatures 2->70 8 msiexec.exe 94 51 2->8         started        12 ScreenConnect.ClientService.exe 2 5 2->12         started        15 svchost.exe 2->15         started        17 6 other processes 2->17 signatures3 process4 dnsIp5 46 ScreenConnect.Wind...dentialProvider.dll, PE32+ 8->46 dropped 48 C:\...\ScreenConnect.ClientService.exe, PE32 8->48 dropped 50 C:\Windows\Installer\MSI27DE.tmp, PE32 8->50 dropped 54 9 other files (none is malicious) 8->54 dropped 72 Enables network access during safeboot for specific services 8->72 74 Modifies security policies related information 8->74 19 msiexec.exe 8->19         started        21 msiexec.exe 1 8->21         started        23 msiexec.exe 8->23         started        58 microsoftnet.ru 195.66.214.70, 49716, 8041 BREEZE-NETWORKUA Ukraine 12->58 76 Reads the Security eventlog 12->76 78 Reads the System eventlog 12->78 25 ScreenConnect.WindowsClient.exe 2 12->25         started        28 ScreenConnect.WindowsClient.exe 2 12->28         started        80 Changes security center settings (notifications, updates, antivirus, firewall) 15->80 30 MpCmdRun.exe 15->30         started        60 127.0.0.1 unknown unknown 17->60 52 C:\Users\user\AppData\Local\...\MSI1E47.tmp, PE32 17->52 dropped file6 signatures7 process8 signatures9 32 rundll32.exe 11 19->32         started        82 Contains functionality to hide user accounts 25->82 36 conhost.exe 30->36         started        process10 file11 38 C:\Users\user\...\ScreenConnect.Windows.dll, PE32 32->38 dropped 40 C:\...\ScreenConnect.InstallerActions.dll, PE32 32->40 dropped 42 C:\Users\user\...\ScreenConnect.Core.dll, PE32 32->42 dropped 44 4 other files (none is malicious) 32->44 dropped 62 Contains functionality to hide user accounts 32->62 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5aca84d6ed69712edbf572db54cfdfd4375f5f89326e5fcecbe2adf9b9fee68/
Threat name:
Binary.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-03-25 22:26:46 UTC
File Type:
Binary (Archive)
Extracted files:
174
AV detection:
2 of 36 (5.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwwkqtlo22lrf3n7k4w3kth57vbxl5pysmtol7hmxyvn7g475zua._file
Verdict:
malicious
Label(s):
admintool_screenconnect
Create hunting rule
Similar samples:
error
ConnectWise
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence privilege_escalation
Link:
https://tria.ge/reports/250331-3jbhxssmv4/
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
Blocklisted process makes network request
Enumerates connected drives
Sets service image path in registry
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/335fbc12-f45b-41b2-81d0-88acddac60c8
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5aca84d6ed6/report/overview.html
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/b5aca84d6ed69712edbf572db54cfdfd4375f5f89326e5fcecbe2adf9b9fee68

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: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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

ConnectWise

zip a4efab7f3ce7ffb0b6402086f5f8eee8b8c117bca5805167ffd79e0ea81784e1

ConnectWise

Microsoft Software Installer (MSI) msi b5aca84d6ed69712edbf572db54cfdfd4375f5f89326e5fcecbe2adf9b9fee68

(this sample)

  
Link
https://tria.ge/250331-3eg5xaztgv/behavioral1
  
Dropped by
SHA256 a4efab7f3ce7ffb0b6402086f5f8eee8b8c117bca5805167ffd79e0ea81784e1
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 1dff513d05c2d51b18ad7f4fda789347760fc84e02cb88edb5d974f32589cf40
  
Dropped by
MD5 f1748f38f9910cf6e6b3a319515204e6
  
Dropped by
MD5 7f980b41b32f169556bb841f8d9412e3

Comments