MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f04da82187c751bef7418649b8581ae26258687eb437293bc1580339de7a414. 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: 17

Intelligence 17 IOCs YARA 21 File information Comments

SHA256 hash:	4f04da82187c751bef7418649b8581ae26258687eb437293bc1580339de7a414
SHA3-384 hash:	44ad9cd0620c8a3a4fad08ab31f16cece501366bda0565ac2d23e91d75324e8fdfe98b4d896c90df11be8e78059fee59
SHA1 hash:	c22e1bd6a08cb355af0916d071c1bca492b71948
MD5 hash:	036b3d9a4d952a24395e7bb611c343fc
humanhash:	bluebird-summer-football-spaghetti
File name:	Payload1234.exe.bin
Download:	download sample
Signature	njrat Create hunting rule
File size:	55'808 bytes
First seen:	2025-03-21 16:43:27 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:GmAQsCB2EsltNnVpladJr3N8JSNGExWQG35bmaePD5Pv42XXJdxIEpmJg:GmJtGtNnpabrmGGWWQcGD/X3xIEpmJg
Threatray	45 similar samples on MalwareBazaar
TLSH	T1E3433944BBD68A05E2BD8F7868F665150B34AA23E632DB1F8CD558DB13327C54C84FE2
TrID	52.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 22.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 7.5% (.EXE) Win64 Executable (generic) (10522/11/4) 4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	KatzenTech
Tags:	exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

454

Origin country :

Vendor Threat Intelligence

Malware family:

njrat

ID:

File name:

Payload1234.exe

Verdict:

Malicious activity

Analysis date:

2025-03-21 15:53:31 UTC

Tags:

njrat rat bladabindi remote backdoor

Link:

https://app.any.run/tasks/31a70ea5-8fb1-4854-97aa-d952003288c8

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=67dd8b7a115e7b48b48f6e44

Tags:

bladabindi njrat

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Creating a window

Searching for synchronization primitives

Connection attempt to an infection source

Using the Windows Management Instrumentation requests

Launching a process

Query of malicious DNS domain

Sending a TCP request to an infection source

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm cmd dllhost explorer hacktool lolbin masquerade njrat obfuscated rat reconnaissance rundll32 schtasks vbnet windows winnti

Link:

https://www.filescan.io/uploads/67dd9771a175d3177344129c/reports/e58ee8cd-8d4d-40e1-800e-c0f22c158241/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/4f04da82187c751bef7418649b8581ae26258687eb437293bc1580339de7a414

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

njRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/37f57a07-251d-4afb-b9be-5f357e9debcc

Result

Threat name:

Njrat

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1645387

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Disables zone checking for all users

Found malware configuration

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4f04da82187c751bef7418649b8581ae26258687eb437293bc1580339de7a414

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4f04da82187c751bef7418649b8581ae26258687eb437293bc1580339de7a414/

Threat name:

ByteCode-MSIL.Backdoor.njRAT

Status:

Malicious

First seen:

2025-03-21 15:53:31 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=j4cnvaqypr2rx33udbsjxbmbvytclbuh5nbxfe54cwadhhphuqka._file

Verdict:

malicious

Label(s):

njrat

0ff34979bd780fdaabef5d9f97d20499ef8c60aaf7e82200c822894d8ecd8cb5

njrat

28335d3be92246bb9d11c3bbeed55af53a15bb3dbd187ca7abb7acc815bcbe4a

njrat

4f04da82187c751bef7418649b8581ae26258687eb437293bc1580339de7a414

njrat

ab6b0c8a2fd898517ff036b9fc94ce581febdab5a69433f491fb70bc55ee1833

njrat

error

njrat

+ 35 additional samples on MalwareBazaar

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:victim discovery trojan

Link:

https://tria.ge/reports/250321-t8wqqaszgx/

Behaviour

Suspicious use of AdjustPrivilegeToken

System Location Discovery: System Language Discovery

Njrat family

njRAT/Bladabindi

Malware Config

C2 Extraction:

your-thumb.gl.at.ply.gg:7336

Verdict:

Malicious

Tags:

trojan rat njrat revenge revenge Win.Dropper.njRAT-10015886-0 bladabindi

YARA:

Unknown_Malware_Sample_Jul17_2 malware_Njrat_strings Windows_Trojan_Njrat_30f3c220 MAL_Njrat MALWARE_Win_NjRAT JPCERTCC_Njrat

Link:

https://app.threat.zone/submission/e9080c55-2031-4ea7-be26-5eaf65290fcc

Unpacked files

SH256 hash:

4f04da82187c751bef7418649b8581ae26258687eb437293bc1580339de7a414

MD5 hash:

036b3d9a4d952a24395e7bb611c343fc

SHA1 hash:

c22e1bd6a08cb355af0916d071c1bca492b71948

Detections:

win_njrat_w1

NjRat

Link:

https://www.unpac.me/results/62d8762a-8d6a-4f93-a808-fadb06121336/

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:	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:	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL Create hunting rule
Author:	ditekSHen
Description:	Detects executables (downlaoders) containing URLs to raw contents of a paste

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:	Mal_WIN_NjRAT_RAT_PE Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect NjRAT implant.

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:	JPCERT/CC Incident Response Group
Description:	detect njRAT in memory

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

Rule name:	pe_imphash Create hunting rule

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

Rule name:	Unknown_Malware_Sample_Jul17_2 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects unknown malware sample with pastebin RAW URL
Reference:	https://goo.gl/iqH8CK

Rule name:	Unknown_Malware_Sample_Jul17_2_RID326D Create hunting rule
Author:	Florian Roth
Description:	Detects unknown malware sample with pastebin RAW URL
Reference:	https://goo.gl/iqH8CK

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_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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