MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6a9aac8006970c8f1edc7ad272fc663c6df60dfbd707670739fd62d05791e2c. 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: 19


Intelligence 19 IOCs YARA 14 File information Comments

SHA256 hash: a6a9aac8006970c8f1edc7ad272fc663c6df60dfbd707670739fd62d05791e2c
SHA3-384 hash: f644c103ef5505e32c7591af00c3d9d83c8024f381f8223731cbbd2edf6cf5e220e1f5ae815ccb9e28932a5a63388c8a
SHA1 hash: b656c760ca9a7bbff21e756ee5e31f2b291ac076
MD5 hash: 13cf1dfdfaf9730066d68bf405083390
humanhash: romeo-tennessee-july-happy
File name:Server.exe
Download: download sample
Signature njrat
File size:38'400 bytes
First seen:2025-06-14 10:47:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'792 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 768:UIuSE5j1vPaRtaFgurM+rMRa8NuQAntN:UIzE5pXaRwex+gRJNPA
Threatray 496 similar samples on MalwareBazaar
TLSH T1C3032A4D7FE18568D5FD067B05B2D41207BAE00B6E23DA0E8EE164AA37636C58F50AF1
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 :
540
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Server.exe
Verdict:
Malicious activity
Analysis date:
2025-06-14 10:49:51 UTC
Tags:
rat njrat bladabindi remote backdoor auto-startup

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
Searching for synchronization primitives
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Query of malicious DNS domain
Sending a TCP request to an infection source
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
Result
Threat name:
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
Drops PE files to the user root directory
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
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-06-13 18:51:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
34 of 38 (89.47%)
Threat level:
  5/5
Result
Malware family:
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:19592
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:
a6a9aac8006970c8f1edc7ad272fc663c6df60dfbd707670739fd62d05791e2c
MD5 hash:
13cf1dfdfaf9730066d68bf405083390
SHA1 hash:
b656c760ca9a7bbff21e756ee5e31f2b291ac076
Detections:
win_njrat_g1 win_njrat_w1 NjRat
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: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.

Web download

njrat

Executable exe a6a9aac8006970c8f1edc7ad272fc663c6df60dfbd707670739fd62d05791e2c

(this sample)

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

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