MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f52e75336bf7dd00b2169c0f26c8c27c472ca6386b4578da0cb810e7bf435653. 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: 15

Intelligence 15 IOCs YARA 25 File information Comments

SHA256 hash:	f52e75336bf7dd00b2169c0f26c8c27c472ca6386b4578da0cb810e7bf435653
SHA3-384 hash:	7824d46d800cede103d3d89109d6e5207f10d0c5d4b3a3b50fa5d7f26edd31654066542bae01b47655d82635ac32d21b
SHA1 hash:	d6d3e0df7e97eb85df44b2384f8bf38447d68d44
MD5 hash:	4ba3210984822976bb264b5362ecfada
humanhash:	tennis-island-lima-robert
File name:	SecuriteInfo.com.Heur.MSIL.Bladabindi.1.23550.31506
Download:	download sample
Signature	njrat Create hunting rule
File size:	2'634'240 bytes
First seen:	2025-06-04 08:38:54 UTC
Last seen:	2025-06-04 09:47:35 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	24576:nlglFaySp7PAqTHLhfL5+sdUxFfuir1j4k4us+bJkx+z29DRZfWFdEIJgwc8WIMh:fHl01/uiZDLl2vrgULwFMrX
TLSH	T17DC5847396C80DE8DAB338368363C63202D723524932E725D57F2FB35D6ABB961582D4
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	SecuriteInfoCom
Tags:	exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

371

Origin country :

Vendor Threat Intelligence

Detection:

Njrat

Link:

https://www.capesandbox.com/analysis/7230/

Detection(s):

SecuriteInfo.com.Heur.MSIL.Bladabindi.1.23550.31506.UNOFFICIAL

Verdict:

Clean

Score:

89.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6840076a8bd5d68a12e4f7db

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% directory

Launching a process

Creating a file

Creating a window

Сreating synchronization primitives

Creating a process from a recently created file

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

Unauthorized injection to a recently created process

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 cryptor_detected net_reactor obfuscated packed packed

Link:

https://www.filescan.io/uploads/684006412d1d8b12425e98e4/reports/1b58343b-2dd4-48f8-9615-0ab94aee4659/overview

Verdict:

Malicious

Labled as:

MSIL.Bladabindi.Generic

Link:

https://www.hybrid-analysis.com/sample/f52e75336bf7dd00b2169c0f26c8c27c472ca6386b4578da0cb810e7bf435653

Malware family:

njRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/fde88b7a-e96a-4d78-97ee-8dbd5be61b77

Result

Threat name:

Njrat, PureLog Stealer

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1705681

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to disable the Task Manager (.Net Source)

Contains functionality to spread to USB devices (.Net source)

Creates autostart registry keys with suspicious names

Found malware configuration

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: New RUN Key Pointing to Suspicious Folder

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

Uses threadpools to delay analysis

Writes to foreign memory regions

Yara detected AntiVM3

Yara detected Njrat

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f52e75336bf7dd00b2169c0f26c8c27c472ca6386b4578da0cb810e7bf435653

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f52e75336bf7dd00b2169c0f26c8c27c472ca6386b4578da0cb810e7bf435653/

Threat name:

Win32.Trojan.DCRat

Status:

Malicious

First seen:

2025-06-04 08:39:35 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

31 of 38 (81.58%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6uxhkm3l67oqbmqwtqhsnsgcprdszjrynncxrwqmxaiopp2dkzjq._file

Verdict:

malicious

Label(s):

njrat

Similar samples:

error

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat discovery persistence trojan

Link:

https://tria.ge/reports/250604-kkg3zsgr5w/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Adds Run key to start application

Executes dropped EXE

Njrat family

njRAT/Bladabindi

Malware Config

C2 Extraction:

hakim32.ddns.net:2000

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/bc660b2d-d7e0-4f11-a12b-80ce99690f99

Unpacked files

SH256 hash:

f52e75336bf7dd00b2169c0f26c8c27c472ca6386b4578da0cb810e7bf435653

MD5 hash:

4ba3210984822976bb264b5362ecfada

SHA1 hash:

d6d3e0df7e97eb85df44b2384f8bf38447d68d44

Link:

https://www.unpac.me/results/880f78c5-b0f1-4696-b97c-91d85c55cef7/

SH256 hash:

42c2174055cf94f87ac7325856819b8ba0f0b94a5839985dd1284f56756701a8

MD5 hash:

e00dbdb6dda5dae2d16176401a04450d

SHA1 hash:

be2133fd9dca28c06c6a1587b81795503b579da4

Detections:

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/880f78c5-b0f1-4696-b97c-91d85c55cef7/

SH256 hash:

e1d08fa91958f47f84fb35753c4589931cf703eec00383dc61cb5ba130fe1c64

MD5 hash:

75b7f96891c9f811ecb38c765604472f

SHA1 hash:

fe0acd61aedbe69f38d7b8b2f1ee76a21cd86482

Detections:

MAL_Winnti_Sample_May18_1

CN_disclosed_20180208_c

Njrat

win_njrat_strings_oct_2023

MALWARE_Win_NjRAT

Link:

https://www.unpac.me/results/880f78c5-b0f1-4696-b97c-91d85c55cef7/

Malware family:

njRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f52e75336bf7/report/overview.html

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:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

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:	DotNet_Reactor Create hunting rule
Author:	@bartblaze
Description:	Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.

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:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

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:	pe_imphash Create hunting rule

Rule name:	PureCrypter Create hunting rule
Author:	@bartblaze
Description:	Identifies PureCrypter, .NET loader and obfuscator.
Reference:	https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter

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:	Sus_CMD_Powershell_Usage Create hunting rule
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 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Njrat_eb2698d2 Create hunting rule
Author:	Elastic Security

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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

njrat

exe f52e75336bf7dd00b2169c0f26c8c27c472ca6386b4578da0cb810e7bf435653

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3557946/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/7230/

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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