MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79b7b84850095305eed56f15781ff75aa456593d84e558646db60249b28711e8. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 79b7b84850095305eed56f15781ff75aa456593d84e558646db60249b28711e8
SHA3-384 hash: b6c2e0b10bcc5959e890026a756bbfeaf7fade168669f9031e36b03646c0df96d9e114decba4ada07598cf97ded7d924
SHA1 hash: 8bd49a4caffb4acbe3cdb08e16071f4f65be825b
MD5 hash: 2c6cae075cb4f8181b20f74e29c487c1
humanhash: delaware-minnesota-snake-helium
File name:crm.msi
Download: download sample
Signature ConnectWise
File size:9'912'320 bytes
First seen:2025-11-30 17:59:48 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 98304:/wJ4t1h0cG5FGJRPxow8O5wJ4t1h0cG5vwJ4t1h0cG5RwJ4t1h0cG5twJ4t1h0cW:4Wh0cGwMWh0cGCWh0cG4Wh0cG4Wh0cG
Threatray 1'066 similar samples on MalwareBazaar
TLSH T17AA6232523FD801AE8F75A7DED3682F45972BE64CF22C11E9328B90D2974D4096727B3
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 :
63
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Malicious
Score:
90.2%
Tags:
connectwise shellcode
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 expand expired-cert installer installer lolbin packed rundll32
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Clean
File Type:
msi
First seen:
2025-11-30T12:25:00Z UTC
Last seen:
2025-11-30T12:44:00Z UTC
Hits:
~10
Result
Threat name:
ScreenConnect Tool
Detection:
malicious
Classification:
evad
Score:
76 / 100
Signature
.NET source code references suspicious native API functions
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Creates files in the system32 config directory
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823134 Sample: crm.msi Startdate: 30/11/2025 Architecture: WINDOWS Score: 76 56 relay.0089host.org 2->56 58 0089host.org 2->58 64 .NET source code references suspicious native API functions 2->64 66 Contains functionality to hide user accounts 2->66 68 Joe Sandbox ML detected suspicious sample 2->68 8 msiexec.exe 93 49 2->8         started        12 ScreenConnect.ClientService.exe 2 5 2->12         started        15 svchost.exe 2->15         started        17 3 other processes 2->17 signatures3 process4 dnsIp5 46 C:\...\ScreenConnect.WindowsClient.exe, PE32 8->46 dropped 48 C:\...\ScreenConnect.ClientService.exe, PE32 8->48 dropped 50 C:\...\ScreenConnect.WindowsClient.exe.config, XML 8->50 dropped 54 10 other files (none is malicious) 8->54 dropped 70 Enables network access during safeboot for specific services 8->70 72 Modifies security policies related information 8->72 19 msiexec.exe 8->19         started        21 msiexec.exe 1 8->21         started        23 msiexec.exe 8->23         started        60 0089host.org 178.173.246.108, 49687, 8041 AS45671-NET-AUWholesaleServicesProviderAU Iran (ISLAMIC Republic Of) 12->60 74 Reads the Security eventlog 12->74 76 Reads the System eventlog 12->76 25 ScreenConnect.WindowsClient.exe 3 12->25         started        28 ScreenConnect.WindowsClient.exe 2 12->28         started        78 Changes security center settings (notifications, updates, antivirus, firewall) 15->78 30 MpCmdRun.exe 1 15->30         started        52 C:\Users\user\AppData\Local\...\MSI7453.tmp, PE32 17->52 dropped file6 signatures7 process8 signatures9 32 rundll32.exe 11 19->32         started        80 Creates files in the system32 config directory 25->80 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
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
Threat name:
ByteCode-MSIL.Trojan.DllHijack
Status:
Suspicious
First seen:
2025-11-30 15:46:23 UTC
File Type:
Binary (Archive)
Extracted files:
172
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
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 SendNotifyMessage
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
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
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
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:Sus_CMD_Powershell_Usage
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.

Comments