MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b09d66ba71975014fd70ae2ce38cebabe43cc14ec826fbd8ae4bb303f0d33380. 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: 18


Intelligence 18 IOCs 1 YARA 21 File information Comments

SHA256 hash: b09d66ba71975014fd70ae2ce38cebabe43cc14ec826fbd8ae4bb303f0d33380
SHA3-384 hash: fe873d9b6b8b1c68e9890b44e93ff3b6fcac96d3a885eed3b95770e849396690123cff6e4e92739bc72fe6226cda1357
SHA1 hash: f6c042bd0387df2942b8bf1e8a6477b7f367998b
MD5 hash: c94062344c72045751c475c21eef88bb
humanhash: georgia-cardinal-nevada-sierra
File name:5556.rar.exe
Download: download sample
Signature njrat
File size:24'064 bytes
First seen:2025-06-23 22:25:17 UTC
Last seen:2025-06-24 08:05:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 384:4JPfx4bctPiJLQrKARGSRUW3bY6agwStbDyt8mRvR6JZlbw8hqIusZzZ8j:46q2x+tRGRpcnup
Threatray 297 similar samples on MalwareBazaar
TLSH T154B21A4E3F698856C5AC167496A6965003B191870413EE3FCCC950CBAFB3ADA2D48EF9
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
188.212.158.75:5557

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
188.212.158.75:5557 https://threatfox.abuse.ch/ioc/1548760/

Intelligence


File Origin
# of uploads :
2
# of downloads :
532
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
5556.rar.exe
Verdict:
Malicious activity
Analysis date:
2025-06-23 22:46:17 UTC
Tags:
rat njrat bladabindi 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 crimsonrat njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching the process to change the firewall settings
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Disables zone checking for all users
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 submitted file
Protects its processes via BreakOnTermination flag
Suricata IDS alerts for network traffic
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Verdict:
njRat
YARA:
8 match(es)
Tags:
Executable njRat PE (Portable Executable) RAT Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: 188.212.158.75
PORT: 5557
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-06-23 22:32:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat defense_evasion discovery persistence privilege_escalation trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
188.212.158.75:5557
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Generic-9795615-0 bladabindi
YARA:
JPCERTCC_Njrat MALWARE_Win_NjRAT MAL_Njrat Windows_Trojan_Njrat_30f3c220 malware_Njrat_strings win_njrat_strings_oct_2023
Unpacked files
SH256 hash:
b09d66ba71975014fd70ae2ce38cebabe43cc14ec826fbd8ae4bb303f0d33380
MD5 hash:
c94062344c72045751c475c21eef88bb
SHA1 hash:
f6c042bd0387df2942b8bf1e8a6477b7f367998b
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:CN_disclosed_20180208_c
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:njrat_
Author:Michelle Khalil
Description:This rule detects unpacked njrat malware samples.
Rule name:pe_imphash
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Author:SECUINFRA Falcon Team
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:win32_njrat
Author:Reedus0
Description:Rule for detecting njRAT malware
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:win_njrat_bytecodes_oct_2023
Author:Matthew @ Embee_Research
Rule name:win_njrat_strings_oct_2023
Author:Matthew @ Embee_Research
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.

Web download

njrat

Executable exe b09d66ba71975014fd70ae2ce38cebabe43cc14ec826fbd8ae4bb303f0d33380

(this sample)

  
Delivery method
Distributed via web download

Comments