MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5aef3acca2d2aa07bd312cb8a58b4bf8dd4aed42fe5d8aaefbb6df9dcb813e5. 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

Intelligence 18 IOCs 1 YARA 20 File information Comments

SHA256 hash:	a5aef3acca2d2aa07bd312cb8a58b4bf8dd4aed42fe5d8aaefbb6df9dcb813e5
SHA3-384 hash:	c92167064112e6ba1b59dcd16cb2138c0e8deb98398e205abc77c37d5c31376fb1360ec16e3e03773bf2455faf296683
SHA1 hash:	789829095d78249f078b6b1976321b3ce3e1f5df
MD5 hash:	a0ba3b892379b7e67d1656b116730318
humanhash:	echo-oscar-nine-gee
File name:	a0ba3b892379b7e67d1656b116730318.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	32'256 bytes
First seen:	2025-05-26 00:20:20 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	768:og5CUKdTtrUzxf6vQI2zb39v9rQmIDUu0tiJEj:3aoJpxQVkDj
TLSH	T1E6E22AADFBEA4469C1BD49B50571951043B8E007E513F77E4ECA24E62B2B3D84B88DF2
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	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
147.185.221.28:39881

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
147.185.221.28:39881	https://threatfox.abuse.ch/ioc/1534464/

Intelligence

File Origin

# of uploads :

# of downloads :

601

Origin country :

Vendor Threat Intelligence

Malware family:

njrat

ID:

File name:

a0ba3b892379b7e67d1656b116730318.exe

Verdict:

Malicious activity

Analysis date:

2025-05-26 00:23:42 UTC

Tags:

auto-startup auto-reg rat njrat bladabindi remote backdoor

Link:

https://app.any.run/tasks/f90eab5e-42d2-42c4-8bb6-be6946ab211a

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6833b616acf88f5815e6debf

Tags:

bladabindi autorun njrat

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a process with a hidden window

Creating a window

Searching for synchronization primitives

Connection attempt to an infection source

Using the Windows Management Instrumentation requests

Launching the process to change the firewall settings

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

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:

anti-vm base64 bladabindi cmd fingerprint lolbin netsh njrat njrat obfuscated rat reconnaissance vbnet windows winnti

Link:

https://www.filescan.io/uploads/6833b3f8fd02ed5e05874968/reports/c94baddf-6255-4743-a4f7-1ce5c669b000/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/a5aef3acca2d2aa07bd312cb8a58b4bf8dd4aed42fe5d8aaefbb6df9dcb813e5

Malware family:

njRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/46359416-4c59-4ed5-860e-8c7595607fb4

Result

Threat name:

Njrat

Detection:

malicious

Classification:

phis.troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1698891

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)

Creates autostart registry keys with suspicious names

Disables zone checking for all users

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

Suricata IDS alerts for network traffic

Uses netsh to modify the Windows network and firewall settings

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a5aef3acca2d2aa07bd312cb8a58b4bf8dd4aed42fe5d8aaefbb6df9dcb813e5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a5aef3acca2d2aa07bd312cb8a58b4bf8dd4aed42fe5d8aaefbb6df9dcb813e5/

Threat name:

ByteCode-MSIL.Backdoor.njRAT

Status:

Malicious

First seen:

2025-05-23 00:42:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

33 of 38 (86.84%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=uwxphlgkfuvka66tclfyuwfux6g5jlwuf7s5rkxpxnw7txfycpsq._file

Verdict:

malicious

Label(s):

njrat

Similar samples:

error

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:otariozao defense_evasion discovery persistence privilege_escalation trojan

Link:

https://tria.ge/reports/250526-ane3paxry7/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Adds Run key to start application

Drops startup file

Modifies Windows Firewall

Njrat family

njRAT/Bladabindi

Malware Config

C2 Extraction:

radio-boating.gl.at.ply.gg:39881

Verdict:

Malicious

Tags:

rat njrat Win.Packed.Generic-9795615-0

YARA:

JPCERTCC_Njrat MALWARE_Win_NjRAT MAL_Njrat Windows_Trojan_Njrat_30f3c220 malware_Njrat_strings win_njrat_strings_oct_2023

Link:

https://app.threat.zone/submission/a5fa5b69-0ac8-44b4-b36f-afb25b4432b8

Unpacked files

SH256 hash:

a5aef3acca2d2aa07bd312cb8a58b4bf8dd4aed42fe5d8aaefbb6df9dcb813e5

MD5 hash:

a0ba3b892379b7e67d1656b116730318

SHA1 hash:

789829095d78249f078b6b1976321b3ce3e1f5df

Detections:

win_njrat_g1

win_njrat_w1

NjRat

Link:

https://www.unpac.me/results/95064cac-f19a-47b4-8199-40ab55dd7edf/

Malware family:

njRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a5aef3acca2d/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/a5aef3acca2d2aa07bd312cb8a58b4bf8dd4aed42fe5d8aaefbb6df9dcb813e5

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:	CN_disclosed_20180208_c Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects malware from disclosed CN malware set
Reference:	https://twitter.com/cyberintproject/status/961714165550342146

Rule name:	CN_disclosed_20180208_c_RID2E71 Create hunting rule
Author:	Florian Roth
Description:	Detects malware from disclosed CN malware set
Reference:	https://twitter.com/cyberintproject/status/961714165550342146

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	malware_Njrat_strings Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect njRAT in memory

Rule name:	MALWARE_Win_NjRAT Create hunting rule
Author:	ditekSHen
Description:	Detects NjRAT / Bladabindi / NjRAT Golden

Rule name:	MAL_njrat Create hunting rule
Author:	SECUINFRA Falcon Team

Rule name:	MAL_Winnti_Sample_May18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:	https://401trg.pw/burning-umbrella/

Rule name:	MAL_Winnti_Sample_May18_1_RID3003 Create hunting rule
Author:	Florian Roth
Description:	Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:	https://401trg.pw/burning-umbrella/

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	Njrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect njRAT in memory

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_LightDefender_Njrat_Rule Create hunting rule
Author:	Skystars LightDefender
Description:	Detects Njrat

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_netsh_firewall_command Create hunting rule
Author:	SECUINFRA Falcon Team

Rule name:	Windows_Trojan_Njrat_30f3c220 Create hunting rule

Rule name:	Windows_Trojan_Njrat_30f3c220 Create hunting rule
Author:	Elastic Security

Rule name:	win_njrat_strings_oct_2023 Create hunting rule
Author:	Matthew @ Embee_Research

Rule name:	win_njrat_w1 Create hunting rule
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.

No further information available

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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