MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a36a3573c402a9719c8b8b10a492bafddbb3badb9aaf37bf976e44ceb050892. 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 4 YARA 17 File information Comments

SHA256 hash: 9a36a3573c402a9719c8b8b10a492bafddbb3badb9aaf37bf976e44ceb050892
SHA3-384 hash: f69160fa2ba370bc916365e544f4aac1a6647ad0ed6ec65f35d0cdf431fd2af3ed6625f7584ade352b719c175f5089ef
SHA1 hash: 339fcc85695df25131271977948c6a7ff056a022
MD5 hash: 76a4cc278667814431df456ceb237df1
humanhash: network-carbon-johnny-georgia
File name:76a4cc278667814431df456ceb237df1.exe
Download: download sample
Signature njrat
File size:37'888 bytes
First seen:2025-08-25 04:35:07 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 384:j9uBz67gibXjpPu7w9qyMTA3/r6s2cLrrAF+rMRTyN/0L+EcoinblneHQM3epzXM:20NN9ZMTA3W1cvrM+rMRa8Nuutt
TLSH T11403294D7FE18168D5FD067B05B2D01207BAE04F6E23D90E8EE6649A37636C58B50EE2
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:
3.69.157.220:15537

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
3.69.157.220:15537 https://threatfox.abuse.ch/ioc/1573753/
3.69.115.178:15537 https://threatfox.abuse.ch/ioc/1573754/
3.68.171.119:15537 https://threatfox.abuse.ch/ioc/1573755/
18.197.239.109:15537 https://threatfox.abuse.ch/ioc/1573756/

Intelligence


File Origin
# of uploads :
1
# of downloads :
222
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
76a4cc278667814431df456ceb237df1.exe
Verdict:
Malicious activity
Analysis date:
2025-08-25 04:35:51 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:
97.4%
Tags:
bladabindi autorun njrat proxy
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:
cmd config-extracted explorer fingerprint lolbin netsh njrat njrat obfuscated rat vbnet windows
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-22T07:49:00Z UTC
Last seen:
2025-08-22T07:49:00Z UTC
Hits:
~100
Result
Threat name:
Detection:
malicious
Classification:
spre.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 autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
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
Sigma detected: Drops fake system file at system root drive
Sigma detected: Files With System Process Name In Unsuspected Locations
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
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: 6.tcp.eu.ngrok.io
PORT: 15537
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-08-22 12:42:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
34 of 36 (94.44%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hacked defense_evasion discovery persistence privilege_escalation
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Drops autorun.inf file
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Malware Config
C2 Extraction:
6.tcp.eu.ngrok.io:15537
Verdict:
Malicious
Tags:
Win.Packed.Bladabindi-7994427-0 rat njrat
YARA:
ByteCode_MSIL_Backdoor_NjRAT MALWARE_Win_NjRAT Windows_Trojan_Njrat_30f3c220
Unpacked files
SH256 hash:
9a36a3573c402a9719c8b8b10a492bafddbb3badb9aaf37bf976e44ceb050892
MD5 hash:
76a4cc278667814431df456ceb237df1
SHA1 hash:
339fcc85695df25131271977948c6a7ff056a022
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:SUSP_netsh_firewall_command
Author:SECUINFRA Falcon Team
Rule name:SUSP_Ngrok_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
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