MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 642814a99cb7c8afa90d4058da672a3bbb908dd75d5cdedbd13b760fb07cdbeb. 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 5 YARA 15 File information Comments

SHA256 hash: 642814a99cb7c8afa90d4058da672a3bbb908dd75d5cdedbd13b760fb07cdbeb
SHA3-384 hash: daa6eb7813bb89206b2d5b4ad703c32b0e8b2cb4b5f2e8f9130d712fe4bbef8a9ea3c0af38632f51115e37fd3e4ad27a
SHA1 hash: f634000e0a25d3bb94466f43013365f0814fda05
MD5 hash: 2505178fbd21ff1f32bcba353c4563cd
humanhash: rugby-bacon-lake-kansas
File name:2505178fbd21ff1f32bcba353c4563cd.exe
Download: download sample
Signature njrat
File size:37'888 bytes
First seen:2026-02-12 22:10:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'920 x AgentTesla, 19'821 x Formbook, 12'309 x SnakeKeylogger)
ssdeep 384:tinsiDjT95hL5YyUvZ7vLOw4qYddlrAF+rMRTyN/0L+EcoinblneHQM3epzXuPNw:8vv5zUvZ7blYrlrM+rMRa8Nu8+t
Threatray 1'340 similar samples on MalwareBazaar
TLSH T113032A4D7FE1816CC5FD097B06B2D01207BBE04B6A23D91E8EE5649A37636C58B50AF2
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:
3.66.38.117:10859

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
3.66.38.117:10859 https://threatfox.abuse.ch/ioc/1747024/
3.69.157.220:10859 https://threatfox.abuse.ch/ioc/1747025/
3.69.115.178:10859 https://threatfox.abuse.ch/ioc/1747026/
18.197.239.109:10859 https://threatfox.abuse.ch/ioc/1747027/
3.68.171.119:10859 https://threatfox.abuse.ch/ioc/1747028/

Intelligence


File Origin
# of uploads :
1
# of downloads :
208
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
njRAT
Details
njRAT
configuration settings including at least a c2 socket address, version, missionid, a network traffic delimiter, a filepath, a registry path, and flags
Malware family:
ID:
1
File name:
2505178fbd21ff1f32bcba353c4563cd.exe
Verdict:
Malicious activity
Analysis date:
2026-02-12 22:11:02 UTC
Tags:
rat njrat bladabindi auto-reg auto-startup xworm 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 crimsonrat njrat proxy
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bladabindi cmd config-extracted explorer fingerprint krypt lolbin netsh njrat njrat rat reconnaissance vbnet windows
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-09T15:08:00Z UTC
Last seen:
2026-02-10T05:42:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.MSIL.Bladabindi.gen HEUR:Backdoor.MSIL.SpyGate.gen PDM:Trojan.Win32.Generic Trojan.Win32.Gorgon.sb HEUR:Worm.Win32.Generic HEUR:Trojan-Spy.MSIL.KeyLogger.gen HEUR:Trojan.Win32.Generic HEUR:Trojan.MSIL.Agent.gen Backdoor.MSIL.SpyGate.sb Backdoor.MSIL.Bladabindi.sb Trojan.MSIL.Agent.sb HEUR:Trojan.MSIL.Crypt.gen NetTool.Ngrok.UDP.C&C
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
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Drops PE files to the user root directory
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
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1868806 Sample: iJ3P0RJdjv.exe Startdate: 12/02/2026 Architecture: WINDOWS Score: 100 38 6.tcp.eu.ngrok.io 2->38 46 Suricata IDS alerts for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 10 other signatures 2->52 9 iJ3P0RJdjv.exe 1 6 2->9         started        13 Syski.exe 3 2->13         started        15 Syski.exe 2 2->15         started        17 Syski.exe 2 2->17         started        signatures3 process4 file5 32 C:\Users\user\Syski.exe, PE32 9->32 dropped 34 C:\Users\user\Syski.exe:Zone.Identifier, ASCII 9->34 dropped 36 C:\Users\user\AppData\...\iJ3P0RJdjv.exe.log, ASCII 9->36 dropped 62 Drops PE files to the user root directory 9->62 19 Syski.exe 2 6 9->19         started        signatures6 process7 dnsIp8 40 3.66.38.117, 10859, 49747, 49748 AMAZON-02US United States 19->40 42 6.tcp.eu.ngrok.io 3.69.157.220, 10859, 49722, 49723 AMAZON-02US United States 19->42 44 52.28.247.255, 10859, 49815, 49816 AMAZON-02US United States 19->44 28 C:\...\9b12489725f8fca536503eab53651519.exe, PE32 19->28 dropped 30 9b12489725f8fca536...exe:Zone.Identifier, ASCII 19->30 dropped 54 Antivirus detection for dropped file 19->54 56 Multi AV Scanner detection for dropped file 19->56 58 Creates autostart registry keys with suspicious names 19->58 60 4 other signatures 19->60 24 netsh.exe 2 19->24         started        file9 signatures10 process11 process12 26 conhost.exe 24->26         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: 6.tcp.eu.ngrok.io
PORT: 10859
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2026-02-09 22:18:27 UTC
AV detection:
35 of 38 (92.11%)
Threat level:
  5/5
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
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Malware Config
C2 Extraction:
6.tcp.eu.ngrok.io:10859
Unpacked files
SH256 hash:
642814a99cb7c8afa90d4058da672a3bbb908dd75d5cdedbd13b760fb07cdbeb
MD5 hash:
2505178fbd21ff1f32bcba353c4563cd
SHA1 hash:
f634000e0a25d3bb94466f43013365f0814fda05
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: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: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