MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d4b11e561a2cd703c012d2aab2e69d5bf3529f05cdc1a831371c1a3a829c3ff0. 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: 20
| SHA256 hash: | d4b11e561a2cd703c012d2aab2e69d5bf3529f05cdc1a831371c1a3a829c3ff0 |
|---|---|
| SHA3-384 hash: | ff8f939acf6d3e5fff5a680512dcba067516b4cea71051288a21a525cba89043553b838417e0794839044d4a02296c0a |
| SHA1 hash: | 3a1e0c824f749395cc8ea8c659de7fd095142986 |
| MD5 hash: | 8d23b5ea428b986cad34ef94cc74ee6b |
| humanhash: | south-east-pennsylvania-ten |
| File name: | Crypted-Server.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 437'656 bytes |
| First seen: | 2026-03-24 17:35:24 UTC |
| Last seen: | 2026-03-24 18:20:34 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'234 x AgentTesla, 20'488 x Formbook, 12'372 x SnakeKeylogger) |
| ssdeep | 12288:1aGCuzrYt+6HvMj/jMt/Zp3jut+zb/VMhE:1aGCq6UnMxjEG/V8E |
| Threatray | 633 similar samples on MalwareBazaar |
| TLSH | T10694E79170585883E81731F1DC9FDA30225EABDF5239C70E3653FB1A5A9336620A7E4B |
| TrID | 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.2% (.EXE) Win64 Executable (generic) (6522/11/2) 4.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | c4ccc4dcd4c4d4d4 (1 x njrat) |
| Reporter |  abuse_ch |
| Tags: | exe NjRAT RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 8.162.0.105:10327 | https://threatfox.abuse.ch/ioc/1775047/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
309
Origin country :
NLVendor Threat Intelligence
Malware configuration found for:
NETReactor
Details
NETReactor
decrypted strings
Malware family:
njrat
ID:
1
File name:
Crypted-Server.exe
Verdict:
Malicious activity
Analysis date:
2026-03-24 17:12:33 UTC
Tags:
njrat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Verdict:
Malicious
Score:
99.9%
Tags:
bladabindi phishing njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Connection attempt
Creating a file
Creating a process from a recently created file
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
base64 krypt net_reactor obfuscated obfuscated overlay packed vbnet
Verdict:
Malicious
Labled as:
MSIL.Krypt..Generic
Verdict:
Malicious
File Type:
exe x32
Detections:
PDM:Trojan.Win32.Generic Backdoor.SpyGate.TCP.C&C Backdoor.Bladabindi.TCP.C&C Trojan.MSIL.Disfa HEUR:Backdoor.MSIL.XWorm.gen Backdoor.Agent.TCP.C&C HEUR:Trojan.Win32.Generic HEUR:Trojan.Win32.Agent.gen HEUR:Trojan.MSIL.Crypt.gen HEUR:Backdoor.MSIL.SpyGate.gen HEUR:Backdoor.MSIL.Bladabindi.gen Backdoor.MSIL.SpyGate.sb Backdoor.MSIL.Bladabindi.sb
Malware family:
njRAT
Verdict:
Malicious
Result
Threat name:
Njrat
Detection:
malicious
Classification:
spre.phis.troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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 disable the Task Manager (.Net Source)
Contains functionality to spread to USB devices (.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
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected MSIL Injector
Yara detected Njrat
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.NJRAT
Threat name:
ByteCode-MSIL.Trojan.XWorm
Status:
Malicious
First seen:
2026-03-24 17:12:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 623 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:hacked defense_evasion discovery persistence privilege_escalation trojan
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Executes dropped EXE
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
hakim32.ddns.net:2000
27.tcp.cpolar.top:10327
27.tcp.cpolar.top:10327
Unpacked files
SH256 hash:
d4b11e561a2cd703c012d2aab2e69d5bf3529f05cdc1a831371c1a3a829c3ff0
MD5 hash:
8d23b5ea428b986cad34ef94cc74ee6b
SHA1 hash:
3a1e0c824f749395cc8ea8c659de7fd095142986
Malware family:
njRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
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: | DotNet_Reactor |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on. |
| Rule name: | Lumma_Stealer_Detection |
|---|---|
| Author: | ashizZz |
| Description: | Detects a specific Lumma Stealer malware sample using unique strings and behaviors |
| Reference: | https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/ |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | PureCrypter |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies PureCrypter, .NET loader and obfuscator. |
| Reference: | https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter |
| Rule name: | reverse_http |
|---|---|
| Author: | CD_R0M_ |
| Description: | Identify strings with http reversed (ptth) |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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: | VECT_Ransomware |
|---|---|
| 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.
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