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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9299d0ef387e40697b170ffc6cc0d85197110260b229cad42bf4ea79fd1b673. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9299d0ef387e40697b170ffc6cc0d85197110260b229cad42bf4ea79fd1b673
SHA3-384 hash: ca539178605420221a217997c293515981ddb0ce13d43b40d002b8c6d826d7a3fd2ad1ec5702a1c10defc90ee864addf
SHA1 hash: bafd31a53d4145b2ca93a2e10943c3b13b1a58b3
MD5 hash: 51ff4831af5ddaa3332acd9ddcee16d2
humanhash: uncle-comet-fish-november
File name:njrat
Download: download sample
Signature njrat
Create hunting rule
File size:111'616 bytes
First seen:2025-04-10 18:47:42 UTC
Last seen:2025-04-10 18:47:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'242 x AgentTesla, 20'499 x Formbook, 12'374 x SnakeKeylogger)
ssdeep 3072:vrWXOw5IBBh/XID5uQhrIybBpQokGrh0Ofgq6iru4:vUOw5IBBhvIthpIqBPkch0Ofgaru4
TLSH T107B3958D3BF6AE9FC7A86738C0E913146A26C007BA41E71B4694173A5E867D76C5CCC3
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 FelloBoiYuuka
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
494
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
malwaresample-main.zip
Verdict:
No threats detected
Analysis date:
2025-04-10 19:04:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6ee232c4-2e97-46f3-a19c-d9197b5df33f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/1704/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f816f2d6e7c3effacf4276
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
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
Enabling the 'hidden' option for recently created files
Creating a window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Connection attempt to an infection source
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
Launching a tool to kill processes
Creating a file in the mass storage device
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto_obfuscator_for_net njrat obfuscated obfuscated packed rat vbnet
Link:
https://www.filescan.io/uploads/67f812652d430c849e121ec6/reports/7526a505-7cde-4cf1-b9d4-5231f70bfc06/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/c9299d0ef387e40697b170ffc6cc0d85197110260b229cad42bf4ea79fd1b673
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6614c465-b604-4951-9906-d333d0810961
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1662409
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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: 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 dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1662409 Sample: njrat.exe Startdate: 10/04/2025 Architecture: WINDOWS Score: 100 45 jajaovh.duckdns.org 2->45 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 57 8 other signatures 2->57 9 njrat.exe 1 8 2->9         started        12 System.exe 2 2->12         started        14 System.exe 3 2->14         started        16 System.exe 2 2->16         started        signatures3 55 Uses dynamic DNS services 45->55 process4 file5 39 C:\Users\user\AppData\Roaming\System.exe, PE32 9->39 dropped 41 C:\Users\user\...\System.exe:Zone.Identifier, ASCII 9->41 dropped 43 C:\Users\user\AppData\Local\...\njrat.exe.log, ASCII 9->43 dropped 18 System.exe 2 11 9->18         started        process6 dnsIp7 47 jajaovh.duckdns.org 192.169.69.26, 1605, 49683, 49689 WOWUS United States 18->47 31 C:\svchost.exe, PE32 18->31 dropped 33 C:\...\5579b2618d4ca785292f47f7414a47c4.exe, PE32 18->33 dropped 35 C:\svchost.exe:Zone.Identifier, ASCII 18->35 dropped 37 2 other malicious files 18->37 dropped 59 Antivirus detection for dropped file 18->59 61 Multi AV Scanner detection for dropped file 18->61 63 Protects its processes via BreakOnTermination flag 18->63 65 6 other signatures 18->65 23 taskkill.exe 1 18->23         started        25 netsh.exe 2 18->25         started        file8 signatures9 process10 process11 27 conhost.exe 23->27         started        29 conhost.exe 25->29         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c9299d0ef387e40697b170ffc6cc0d85197110260b229cad42bf4ea79fd1b673
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c9299d0ef387e40697b170ffc6cc0d85197110260b229cad42bf4ea79fd1b673/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-04-10 11:16:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zeuz2dxtq7sanf5rod74ntanqumxcebgbmrjzlkcx5hkph6rwzzq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery persistence privilege_escalation
Link:
https://tria.ge/reports/250410-xfsedazlw2/
Behaviour
Kills process with taskkill
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
Drops file in Windows directory
Drops autorun.inf file
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Verdict:
Malicious
Tags:
njrat bladabindi
YARA:
n/a
Link:
https://app.threat.zone/submission/abb02c71-ed3e-4ae8-85d4-dc76d5c8633f
Unpacked files
SH256 hash:
c9299d0ef387e40697b170ffc6cc0d85197110260b229cad42bf4ea79fd1b673
MD5 hash:
51ff4831af5ddaa3332acd9ddcee16d2
SHA1 hash:
bafd31a53d4145b2ca93a2e10943c3b13b1a58b3
Link:
https://www.unpac.me/results/b46c50b1-a583-4a41-a404-0624c7a49c84/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c9299d0ef387e40697b170ffc6cc0d85197110260b229cad42bf4ea79fd1b673

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/1704/

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