MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 138a2a015376e48160e89b7979d22f67b6ad4e3c60ea7321049e085db0abaab7. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 138a2a015376e48160e89b7979d22f67b6ad4e3c60ea7321049e085db0abaab7
SHA3-384 hash: 66e5dea42e5c5d67bc6b74a963d360e2832c152d68a683ab365902e7e2805dea3df237d271a960e089eae8506d67531e
SHA1 hash: 44c52fd4410dd393a6d7697b93fff3d807e3c4e2
MD5 hash: 01d58e19a1a5eec6a7dec53a7f7ab2eb
humanhash: west-michigan-pluto-sixteen
File name:RSVP 06 confirmation.msi
Download: download sample
Signature ConnectWise
File size:10'072'064 bytes
First seen:2026-01-07 17:44:21 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:aKaLNkbgMi4QnKaLNkbgRKaLNkbgZKaLNkbg:sWgMiH/Wg1Wg9Wg
Threatray 838 similar samples on MalwareBazaar
TLSH T1CBA6237127F88429F1A75B39EE3A89E229387C64DA26C05F17B43D0E1971E509B72373
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 Anonymous
Tags:ConnectWise msi signed

Code Signing Certificate

Organisation:ConnectWise, LLC
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2025-06-23T00:00:00Z
Valid to:2028-06-22T23:59:59Z
Serial number: 0abbca120c79810a182f72f89c04358f
Intelligence: 157 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: b7902a93876909ba13bc23013f2c4239db57bfe742f500766a1673c5199fd1fb
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Malicious
Score:
90.2%
Tags:
connectwise shellcode spawn
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 evasive expand explorer fingerprint installer installer lolbin lolbin packed rundll32 signed
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:
Adware
File Type:
msi
Detections:
BSS:Exploit.Win32.Generic.nblk BSS:Exploit.Win32.Generic not-a-virus:HEUR:RemoteAdmin.Win32.ConnectWise.gen
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2026-01-07 17:00:04 UTC
File Type:
Binary (Archive)
Extracted files:
174
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
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
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
Badlisted process makes network request
Enumerates connected drives
ConnectWise ScreenConnect remote access tool
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

File information


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

Comments