MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 045b76fa552dbfdfb7e5de66c9c599fe91151384be6a9849ec8965aa7251b818. 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: | 045b76fa552dbfdfb7e5de66c9c599fe91151384be6a9849ec8965aa7251b818 |
|---|---|
| SHA3-384 hash: | 086f045e7a1f3a1c3b7aab03cde2ca37097a33b1a0ee703c2232c7ad860de620d3280ad26cc80ffa41256aa1002464e2 |
| SHA1 hash: | 071dcaba6e221a35f70406071405669f228cbadc |
| MD5 hash: | 3ff61a00c1a6be20f14f6d126913a609 |
| humanhash: | snake-maine-black-cold |
| File name: | 045b76fa552dbfdfb7e5de66c9c599fe91151384be6a9849ec8965aa7251b818 |
| Download: | download sample |
| Signature | njrat |
| File size: | 1'523'712 bytes |
| First seen: | 2026-05-22 04:39:05 UTC |
| Last seen: | Never |
| File type: |  msi |
| MIME type: | application/x-msi |
| ssdeep | 24576:MXi7m6PYnzOlHAGkG1D1xGcbpmByP+yXNpHQ1Dx/cGGJg/3pHJcBm0OUnWKUJJE:MS7rSilHAgjxRGyXqTegPp6m0vn/UJJ |
| Threatray | 3'819 similar samples on MalwareBazaar |
| TLSH | T1006533FF75112810D182033890D3D1FA3A78DF995FA249C6C25BF7A82E36BD1C5467AA |
| 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 |  JAMESWT_WT |
| Tags: | letsdiskuss-com msi NjRAT signed |
Code Signing Certificate
| Organisation: | SHYANNE COLLINS |
|---|---|
| Issuer: | Microsoft ID Verified CS AOC CA 03 |
| Algorithm: | sha384WithRSAEncryption |
| Valid from: | 2026-04-21T13:05:11Z |
| Valid to: | 2026-04-24T13:05:11Z |
| Serial number: | 33000061b367bf2aae2472836d0000000061b3 |
| Intelligence: | 2 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: | edaeac27210df94f6068c5b8740c841dec71634d0c258cc80e5b71ca872675e7 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
94
Origin country :
ITVendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
95.7%
Tags:
dropper virus blic
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-vm CAB crypto expired-cert expired-cert fingerprint installer installer lolbin lolbin packed reconnaissance revoked-cert runonce short-lived-cert signed update wix
Verdict:
Malicious
File Type:
msi
First seen:
2026-05-22T01:44:00Z UTC
Last seen:
2026-05-22T01:53:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.BAT.Alien.gen
Score:
2%
Verdict:
Benign
File Type:
ARCHIVE
Gathering data
Verdict:
Malicious
Threat:
Family.NJRAT
Threat name:
Win64.Trojan.Malcert
Status:
Malicious
First seen:
2026-04-22 22:31:31 UTC
File Type:
Binary (Archive)
Extracted files:
35
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
loremipsumloader
Similar samples:
+ 3'809 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
adware discovery persistence privilege_escalation ransomware revoked_codesign 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 Windows directory
Adds Run key to start application
Badlisted process makes network request
Enumerates connected drives
Network Share Discovery
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Loads dropped DLL
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: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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