MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02a6f2ed911299867098397eaa9510a9afdc7cb4fa5ce04e58d120108a9fd6f1. 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 YARA 20 File information Comments

SHA256 hash: 02a6f2ed911299867098397eaa9510a9afdc7cb4fa5ce04e58d120108a9fd6f1
SHA3-384 hash: e8c6592909bc3f704eca09d1bd3e8a02ede8e3cb8fd41586b5f128b48003849930181dee566317e7acc2573f1d70f22e
SHA1 hash: 821385d41d370e2840cd10d4c469fe5c30a048cc
MD5 hash: 655e5e056edb34099331fd52a5eafbfa
humanhash: coffee-cold-princess-minnesota
File name:Server.exe
Download: download sample
Signature njrat
File size:32'256 bytes
First seen:2025-05-31 21:15:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 768:xUs2ZOVvZVYzxDCPIAT+vCQEpvywHQmIDUu0tiZrj:s+6qJQ6DQVksj
TLSH T132E20AADFBEA4466D2BD0AB50571950013B4D103E523F77E4ECA24A62B3F6D84B84DF2
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 juroots
Tags:85-203-4-56 exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
503
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Server.exe
Verdict:
Malicious activity
Analysis date:
2025-05-31 21:16:29 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
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 bladabindi cmd fingerprint lolbin netsh njrat njrat obfuscated rat reconnaissance vbnet windows winnti
Result
Threat name:
Detection:
malicious
Classification:
phis.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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Disables zone checking for all users
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
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: System File Execution Location Anomaly
Sigma detected: Windows Binaries Write Suspicious Extensions
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: 1703088 Sample: Server.exe Startdate: 31/05/2025 Architecture: WINDOWS Score: 100 34 Suricata IDS alerts for network traffic 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 14 other signatures 2->40 8 Server.exe 1 5 2->8         started        11 RuntimeBroker.exe 3 2->11         started        13 RuntimeBroker.exe 2 2->13         started        15 RuntimeBroker.exe 2 2->15         started        process3 file4 28 C:\Users\user\AppData\...\RuntimeBroker.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\...\Server.exe.log, ASCII 8->30 dropped 17 RuntimeBroker.exe 4 5 8->17         started        process5 dnsIp6 32 85.203.4.56, 4444, 49721, 49722 NETGUARD-ASFalcoNetworksBVprovidesBroadbandVoiceDa Netherlands 17->32 26 C:\...\288b1defa9baefbd14352951c5a28aa6.exe, PE32 17->26 dropped 42 Antivirus detection for dropped file 17->42 44 Multi AV Scanner detection for dropped file 17->44 46 Protects its processes via BreakOnTermination flag 17->46 48 5 other signatures 17->48 22 netsh.exe 2 17->22         started        file7 signatures8 process9 process10 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-05-17 07:29:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 36 (86.11%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:mybot defense_evasion discovery persistence privilege_escalation trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
System Time Discovery
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
85.203.4.56:4444
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:
02a6f2ed911299867098397eaa9510a9afdc7cb4fa5ce04e58d120108a9fd6f1
MD5 hash:
655e5e056edb34099331fd52a5eafbfa
SHA1 hash:
821385d41d370e2840cd10d4c469fe5c30a048cc
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:MAL_Winnti_Sample_May18_1
Author:Florian Roth (Nextron Systems)
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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: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:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
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 02a6f2ed911299867098397eaa9510a9afdc7cb4fa5ce04e58d120108a9fd6f1

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments