MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36f6c3ba39bba88fbb949f9ac6956016bca8301fecc846ebe8f798639e1d8bf6. 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: 21


Intelligence 21 IOCs 1 YARA 15 File information Comments

SHA256 hash: 36f6c3ba39bba88fbb949f9ac6956016bca8301fecc846ebe8f798639e1d8bf6
SHA3-384 hash: bc82af1a36b7db9076758581ebc07db41bb912944284998adfc37d000e85d8cdaae340e60062d385c9ccf7c8559c2135
SHA1 hash: fc8991060917b64fb0ed95e955870a9d8efc2515
MD5 hash: 3315f37af72ee9ecf9107199ceadb7eb
humanhash: burger-avocado-potato-bravo
File name:3315f37af72ee9ecf9107199ceadb7eb.exe
Download: download sample
Signature njrat
File size:448'512 bytes
First seen:2025-08-24 22:00:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'819 x AgentTesla, 19'743 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 3072:pBYojwv+yJzGzdSYvALuFxBaJ0NhSTTIAak+E4WDlrC:XYof3z8YvfFxBaJq4TPDWWDd
TLSH T18594E4B0BE93C76DF4380D3FF05689041AE6AC5F1B129146E680FE1D3AE36F58A4469D
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
192.121.16.196:443

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
192.121.16.196:443 https://threatfox.abuse.ch/ioc/1573703/

Intelligence


File Origin
# of uploads :
1
# of downloads :
220
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
3315f37af72ee9ecf9107199ceadb7eb.exe
Verdict:
Malicious activity
Analysis date:
2025-08-24 22:00:49 UTC
Tags:
auto-startup rat njrat bladabindi auto-reg remote backdoor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bladabindi bloated cmd explorer fingerprint lolbin nanocore netsh njrat njrat rat reconnaissance vbnet windows
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-23T12:58:00Z UTC
Last seen:
2025-08-23T12:58:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1764159 Sample: 4mtuxwlWjA.exe Startdate: 25/08/2025 Architecture: WINDOWS Score: 100 38 Suricata IDS alerts for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 8 4mtuxwlWjA.exe 1 6 2->8         started        11 SERVER.exe 2 2->11         started        13 SERVER.exe 2 2->13         started        15 SERVER.exe 3 2->15         started        process3 file4 30 C:\Users\user\AppData\Roaming\SERVER.exe, PE32 8->30 dropped 32 C:\Users\user\...\SERVER.exe:Zone.Identifier, ASCII 8->32 dropped 34 C:\Users\user\AppData\...\4mtuxwlWjA.exe.log, ASCII 8->34 dropped 17 SERVER.exe 2 6 8->17         started        process5 dnsIp6 36 192.121.16.196, 443, 49719, 49721 NFORCENL Sweden 17->36 26 C:\...\494e0143cccb3061dd187b8a6d1cc06d.exe, PE32 17->26 dropped 28 494e0143cccb3061dd...exe:Zone.Identifier, ASCII 17->28 dropped 46 Antivirus detection for dropped file 17->46 48 Multi AV Scanner detection for dropped file 17->48 50 Protects its processes via BreakOnTermination flag 17->50 52 4 other signatures 17->52 22 netsh.exe 2 17->22         started        file7 signatures8 process9 process10 24 conhost.exe 22->24         started       
Verdict:
njRat
YARA:
14 match(es)
Tags:
.Net Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.25 Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: 192.121.16.196
PORT: 443
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-08-20 19:14:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:active defense_evasion discovery persistence privilege_escalation
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Malware Config
C2 Extraction:
192.121.16.196:443
Verdict:
Malicious
Tags:
rat njrat Win.Dropper.Nanocore-10030076-0 Bladabindi
YARA:
ByteCode_MSIL_Backdoor_NjRAT MALWARE_Win_NjRAT Windows_Trojan_Njrat_30f3c220
Unpacked files
SH256 hash:
36f6c3ba39bba88fbb949f9ac6956016bca8301fecc846ebe8f798639e1d8bf6
MD5 hash:
3315f37af72ee9ecf9107199ceadb7eb
SHA1 hash:
fc8991060917b64fb0ed95e955870a9d8efc2515
Detections:
win_njrat_g1 win_njrat_w1 NjRat
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:ByteCode_MSIL_Backdoor_NjRAT
Author:ReversingLabs
Description:Yara rule that detects NjRAT backdoor.
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:Mal_WIN_NjRAT_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect NjRAT implant.
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:njrat_
Author:Michelle Khalil
Description:This rule detects unpacked njrat malware samples.
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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)
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:win_njrat_w1
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

File information


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

Comments