MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 18c5b7a39be2f4a4b2fd45f0f273874f5efcc8751d4e592e5f2bcf6dbf781277. 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
njrat
Vendor detections: 10
| SHA256 hash: | 18c5b7a39be2f4a4b2fd45f0f273874f5efcc8751d4e592e5f2bcf6dbf781277 |
|---|---|
| SHA3-384 hash: | 46b2ad2d8e4f9626b517d32a15fb738e92a57c1bd2f0bf6be0a8f48964db3c746bab785524a604ff6b8f2e3ddf5ccf55 |
| SHA1 hash: | 4bc1627fcd87b85316ea4e9ec66df39f6bdd87fe |
| MD5 hash: | 16d42c5f70699b0891e86330f799cd37 |
| humanhash: | timing-princess-eight-lactose |
| File name: | MTSetup_v15.3.7191.msi |
| Download: | download sample |
| Signature | njrat |
| File size: | 1'191'936 bytes |
| First seen: | 2026-03-24 20:47:43 UTC |
| Last seen: | Never |
| File type: |  msi |
| MIME type: | application/x-msi |
| ssdeep | 24576:tYQcO9sadDt4Ip9A5ya0sLoSaVAcmrBLOUb96gMzbFtiAI9cim1xUnk:aQSadD+RwsLdaCPNj96gGKbBm1mn |
| TLSH | T12045338A06108260D90B0F30829AE6ABBD3D7E57751B468561DEB7C81DF7B8187DF0F5 |
| TrID | 86.8% (.MSI) Microsoft Windows Installer (454500/1/170) 11.6% (.MST) Windows SDK Setup Transform script (61000/1/5) 1.5% (.) Generic OLE2 / Multistream Compound (8000/1) |
| Magika | msi |
| Reporter |  SquiblydooBlog |
| Tags: | msi NjRAT signed Tryphena-Lewis |
Code Signing Certificate
| Organisation: | Tryphena Lewis |
|---|---|
| Issuer: | Microsoft ID Verified CS AOC CA 02 |
| Algorithm: | sha384WithRSAEncryption |
| Valid from: | 2026-03-23T20:39:53Z |
| Valid to: | 2026-03-26T20:39:53Z |
| Serial number: | 3300086d150e4b7148feaee9e3000000086d15 |
| Intelligence: | 9 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: | 5d8764ffe44c7d85569e3500f8ea0c0bf16ddde1e10e5568748adcfeadc40274 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
119
Origin country :
USVendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Detection:
n/a
Verdict:
Malicious
Score:
81.4%
Tags:
shellcode trojan macro
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 CAB fingerprint installer installer lolbin packed runonce short-lived-cert signed update wix
Verdict:
Malicious
File Type:
msi
Detections:
UDS:DangerousObject.Multi.Generic HEUR:Trojan-Dropper.OLE2.Agent.gen
Score:
98%
Verdict:
Malware
File Type:
ARCHIVE
Gathering data
Verdict:
Malicious
Threat:
Family.NJRAT
Threat name:
Win32.Backdoor.NjRAT
Status:
Malicious
First seen:
2026-03-24 18:30:23 UTC
File Type:
Binary (Archive)
Extracted files:
31
AV detection:
3 of 23 (13.04%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
adware defense_evasion discovery execution persistence privilege_escalation ransomware spyware
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Enumerates connected drives
Hide Artifacts: Hidden Window
Network Share Discovery
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Loads dropped DLL
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Suspicious_Process |
|---|---|
| Author: | Security Research Team |
| Description: | Suspicious process creation |
| Rule name: | WIN_FileFix_Detection |
|---|---|
| Author: | dogsafetyforeverone |
| Description: | Detects FileFix social engineering technique that launches chained PowerShell and PHP commands from file explorer typed paths |
| Reference: | FileFix social engineering with PowerShell and PHP commands |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.