MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 efbf95eabba28e2a3201a4f52180d1e043c588d2cdd262210fad2dd46c68acb5. 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
| SHA256 hash: | efbf95eabba28e2a3201a4f52180d1e043c588d2cdd262210fad2dd46c68acb5 |
|---|---|
| SHA3-384 hash: | 1a0f7342ad3a09f2ba85a67eea804c94ea1b4b70c0be139e0fb894b2a3e75fd42364b3650d8e8881d61551bda787a3ec |
| SHA1 hash: | 6440cddb0c56bca2e6d5db5a8fc1f546ae83d0be |
| MD5 hash: | 8bd610a91377ae40b02293ff9496dca0 |
| humanhash: | montana-west-magnesium-fish |
| File name: | chat.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 37'888 bytes |
| First seen: | 2025-06-14 11:12:36 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger) |
| ssdeep | 384:02uqi0hJZtbH9KyM+2xzm2HtJs2yPgrAF+rMRTyN/0L+EcoinblneHQM3epzXFSe:lrJ95M+2x62DdyIrM+rMRa8NuOot |
| Threatray | 502 similar samples on MalwareBazaar |
| TLSH | T185032B4D7FE18168C5FE067B45B2D41207BAE04B6D23DD0E8EE564AA37636C18F50AF1 |
| 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 |  burger |
| Tags: | exe NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
567
Origin country :
NLVendor Threat Intelligence
Malware family:
njrat
ID:
1
File name:
chat.exe
Verdict:
Malicious activity
Analysis date:
2025-06-14 11:18:52 UTC
Tags:
rat njrat bladabindi auto-startup
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:
autorun njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
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
Enabling the 'hidden' option for files in the %temp% directory
Creating a window
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
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
backdoor base64 cmd explorer fingerprint lolbin netsh njrat njrat obfuscated rat vbnet windows
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Malware family:
Mimikatz
Verdict:
Malicious
Result
Threat name:
Njrat
Detection:
malicious
Classification:
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
Contains functionality to log keystrokes (.Net Source)
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
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-06-14 11:13:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
36 of 38 (94.74%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 492 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:hacked by elven defense_evasion discovery persistence privilege_escalation
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
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Malware Config
C2 Extraction:
meet-influenced.gl.at.ply.gg:1
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Bladabindi-7994427-0 bladabindi
YARA:
ByteCode_MSIL_Backdoor_NjRAT MALWARE_Win_NjRAT Windows_Trojan_Njrat_30f3c220
Unpacked files
SH256 hash:
efbf95eabba28e2a3201a4f52180d1e043c588d2cdd262210fad2dd46c68acb5
MD5 hash:
8bd610a91377ae40b02293ff9496dca0
SHA1 hash:
6440cddb0c56bca2e6d5db5a8fc1f546ae83d0be
Detections:
win_njrat_g1
win_njrat_w1
NjRat
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | ByteCode_MSIL_Backdoor_NjRAT |
|---|---|
| Author: | ReversingLabs |
| Description: | Yara rule that detects NjRAT backdoor. |
| Rule name: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | MALWARE_Win_NjRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NjRAT / Bladabindi / NjRAT Golden |
| Rule name: | Mal_WIN_NjRAT_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect NjRAT implant. |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_netsh_firewall_command |
|---|---|
| Author: | SECUINFRA Falcon Team |
| 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: | Windows_Trojan_Njrat_30f3c220 |
|---|
| Rule name: | Windows_Trojan_Njrat_30f3c220 |
|---|---|
| Author: | Elastic Security |
| 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.
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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