MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 71b9449efaa11bc7e3e82a3df58a0730faae3b0e4ed1f96b36f71a4d675e872c. 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: 11
| SHA256 hash: | 71b9449efaa11bc7e3e82a3df58a0730faae3b0e4ed1f96b36f71a4d675e872c |
|---|---|
| SHA3-384 hash: | abba7dd1b6fbdc6fdf2fef83440bbb1cb0c0e36ecbff18f078cd703dd2bf1612901158a9509294d31f95a885aded53ea |
| SHA1 hash: | c52a9e0817361e99a6176e679f81e4b85a8e5316 |
| MD5 hash: | 306038f5b80551285855f65f1cc13045 |
| humanhash: | muppet-glucose-juliet-alpha |
| File name: | 306038f5b80551285855f65f1cc13045.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 70'986'752 bytes |
| First seen: | 2026-07-25 01:00:11 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'131 x AgentTesla, 20'159 x Formbook, 12'362 x SnakeKeylogger) |
| ssdeep | 786432:h5gBg5BsLJAYg/MIzSCk4y/xQkP8iQPtm0cwnReqJl/3QeqOPWbxEcIhsmn1cr1M:PfNUGE/FP8iQPtm0cw3PQBSPktjQ |
| TLSH | T137F733627BDCE469D7A8971CD8FC9B93039F708B96FA1A4B294CB0314831AD9D1B1473 |
| TrID | 79.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 7.0% (.EXE) Win64 Executable (generic) (6522/11/2) 4.8% (.EXE) Win32 Executable (generic) (4504/4/1) 2.2% (.ICL) Windows Icons Library (generic) (2059/9) 2.1% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| 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 |
|---|---|
| 87.76.146.91:1604 | https://threatfox.abuse.ch/ioc/1857031/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
272
Origin country :
NLVendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-21T04:58:00Z UTC
Last seen:
2026-07-26T18:17:00Z UTC
Hits:
~10
Result
Threat name:
Njrat
Detection:
malicious
Classification:
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
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Njrat
Behaviour
Behavior Graph:
Score:
0%
Verdict:
Benign
File Type:
PE
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2026-07-21 07:27:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 36 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
NjRAT
Similar samples:
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:kurban defense_evasion discovery execution persistence trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Launches sc.exe
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Drops startup file
Executes dropped EXE
Stops running service(s)
Disables one or more Microsoft Defender components
Family: njRAT/Bladabindi
Malware Config
C2 Extraction:
87.76.146.91:1604
Malware family:
RevengeRAT
Verdict:
Malicious
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| 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) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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