MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a59934e135fc0befdbcd2d31ace1c2a3ac102d3b82a84313af82c8fdcd43acaf. 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: 17


Intelligence 17 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a59934e135fc0befdbcd2d31ace1c2a3ac102d3b82a84313af82c8fdcd43acaf
SHA3-384 hash: 3f8e1e146d1c8c5c3368e81ef29009678b434f52a33ee930fc58aa25e4d833c5599654c71627a73bac0c923eeba9cc1e
SHA1 hash: 6d9c54ef2d45648b9c1a3b72083177b14b62a3a0
MD5 hash: 997ff57bc0a43875ccc848f739ddee04
humanhash: shade-chicken-spaghetti-muppet
File name:NewClient.exe
Download: download sample
Signature njrat
Create hunting rule
File size:167'424 bytes
First seen:2026-04-09 10:05:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'125 x AgentTesla, 20'147 x Formbook, 12'362 x SnakeKeylogger)
ssdeep 3072:vACAe/VdrZn6+Hzc7Q3E40BjXEjwCYOfMHjzb308Mjm:4CZc7Q3EJIZYNvb
TLSH T181F34A9E778A4B15D57D0D70D0FFA93003F19A836633E28A3F8429AD9E112DA5D4C7CA
TrID 53.3% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win64 Executable (generic) (6522/11/2)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
144.31.237.190:1498

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
144.31.237.190:1498 https://threatfox.abuse.ch/ioc/1780763/

Intelligence

File Origin
# of uploads :
1
# of downloads :
247
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
NETReactor
Details
NETReactor
decrypted strings
Link:
https://research.acce.ciphertechsolutions.com/results/6b2b2a6b-d5aa-4c1a-8e86-920730dd6f7f/
Malware family:
njrat
Create hunting rule
ID:
1
File name:
NewClient.exe
Verdict:
Malicious activity
Analysis date:
2026-04-09 09:49:58 UTC
Tags:
rat njrat bladabindi netreactor
Link:
https://app.any.run/tasks/55d1a38d-4d3f-4239-abec-edd6333f6361

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/60946/
Detection(s):
Win.Packed.Razy-9960873-0
Create hunting rule

Win.Packed.Barys-6880522-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69d7764666ab6d001dd08ced
Tags:
bladabindi njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 cryptor_detected net_reactor njrat njrat obfuscated obfuscated packed rat reconnaissance vbnet
Link:
https://www.filescan.io/uploads/69d779f5799d5bf325f41fc2/reports/ca701ab2-9f4a-4d42-acd9-5b9a54aab1b8/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/a59934e135fc0befdbcd2d31ace1c2a3ac102d3b82a84313af82c8fdcd43acaf
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-09T06:57:00Z UTC
Last seen:
2026-04-10T11:38:00Z UTC
Hits:
~10
Detections:
Backdoor.MSIL.Bladabindi.sb Trojan-Spy.Agent.TCP.ServerRequest PDM:Trojan.Win32.Generic Backdoor.Bladabindi.TCP.C&C Backdoor.Agent.TCP.C&C Trojan-Ransom.MSIL.njLime.sb HEUR:Trojan.Win32.Generic HEUR:Trojan.MSIL.Crypt.gen
Link:
https://opentip.kaspersky.com/a59934e135fc0befdbcd2d31ace1c2a3ac102d3b82a84313af82c8fdcd43acaf/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c76647ad-c57e-41a6-b3cd-b3a6ffde7e37
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1895865
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Changes the view of files in windows explorer (hidden files and folders)
Disables zone checking for all users
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a59934e135fc0befdbcd2d31ace1c2a3ac102d3b82a84313af82c8fdcd43acaf
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a59934e135fc0befdbcd2d31ace1c2a3ac102d3b82a84313af82c8fdcd43acaf/
Verdict:
Malicious
Threat:
Family.NJRAT
Link:
https://tip.neiki.dev/file/a59934e135fc0befdbcd2d31ace1c2a3ac102d3b82a84313af82c8fdcd43acaf
Threat name:
Win32.Backdoor.NjRAT
Create hunting rule
Status:
Malicious
First seen:
2026-04-09 09:50:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwmtjyjv7qf67w6nfuy2zyocuowbalj3qkuege5pqlep3tkdvsxq._file
Verdict:
malicious
Label(s):
fantomcrypt
Create hunting rule
Similar samples:
error
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat discovery
Link:
https://tria.ge/reports/260409-l4vnvsdy2k/
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
a59934e135fc0befdbcd2d31ace1c2a3ac102d3b82a84313af82c8fdcd43acaf
MD5 hash:
997ff57bc0a43875ccc848f739ddee04
SHA1 hash:
6d9c54ef2d45648b9c1a3b72083177b14b62a3a0
Link:
https://www.unpac.me/results/5901fb69-d559-4264-974c-553653bc9720/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a59934e135fc0befdbcd2d31ace1c2a3ac102d3b82a84313af82c8fdcd43acaf

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:AgentTesla
Create hunting rule
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

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/60946/

Comments