MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1efa20b2b604e115f7e8c03b1ff6e51ce6ee40e9a88defaa9e9d84a2d348db98. 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: 21

Intelligence 21 IOCs 1 YARA 19 File information Comments

SHA256 hash:	1efa20b2b604e115f7e8c03b1ff6e51ce6ee40e9a88defaa9e9d84a2d348db98
SHA3-384 hash:	bda8855cb16042731aed852f4592fc6cf70421b059cd0b3795b0e3c94dab02393850c607b10db435980d5ea27f0e71a4
SHA1 hash:	c7f76dafc7f2edaf48eaf9f5545af6e59d864d49
MD5 hash:	bb9a53d434f0705740d712952e018b60
humanhash:	december-white-september-yellow
File name:	BB9A53D434F0705740D712952E018B60.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	24'064 bytes
First seen:	2026-03-26 20:25:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'012 x AgentTesla, 19'917 x Formbook, 12'332 x SnakeKeylogger)
ssdeep	384:T8aSyS9gB3Y1KIay2X8cLZI6XgxsGJVPpmRvR6JZlbw8hqIusZzZtJ:4589tXvRpcnu0
TLSH	T1C9B22A4E3FA98856C5BC17748AA5965003B491470413EE3FCDC960CBAFB3AD91D4CAF9
TrID	69.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.1% (.EXE) Win64 Executable (generic) (6522/11/2) 4.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
143.198.52.66:1177

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
143.198.52.66:1177	https://threatfox.abuse.ch/ioc/1776955/

Intelligence

File Origin

# of uploads :

# of downloads :

240

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

njRAT

Details

njRAT

a c2 socket address, missionid, mutex, filename, and flags

Link:

https://research.acce.ciphertechsolutions.com/results/70b1eb4b-dd01-44c2-9f59-182da040a862/

Malware family:

njrat

ID:

File name:

BB9A53D434F0705740D712952E018B60.exe

Verdict:

Malicious activity

Analysis date:

2026-03-26 20:25:50 UTC

Tags:

rat njrat bladabindi remote backdoor xworm

Link:

https://app.any.run/tasks/6ca83fed-2f81-4e00-831f-b240faf74ccb

Note:

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

Detection:

Njrat

Link:

https://www.capesandbox.com/analysis/59419/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69c5963baacb4c376b146974

Tags:

bladabindi crimsonrat njrat

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

Connection attempt

Searching for synchronization primitives

Сreating synchronization primitives

Creating a window

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 bladabindi cmd config-extracted fingerprint lolbin netsh njrat njrat rat reconnaissance vbnet windows

Link:

https://www.filescan.io/uploads/69c59635972c219c8d6f27e6/reports/005816a6-d9e9-46c3-a5e8-c10004659ed9/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/1efa20b2b604e115f7e8c03b1ff6e51ce6ee40e9a88defaa9e9d84a2d348db98

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-02-12T00:51:00Z UTC

Last seen:

2026-03-28T05:30:00Z UTC

Hits:

~10

Detections:

HEUR:Backdoor.MSIL.SpyGate.gen Backdoor.MSIL.SpyGate.sb Backdoor.MSIL.Bladabindi.sb PDM:Trojan.Win32.Generic Trojan.Win32.Gorgon.sb Trojan.MSIL.Tpyn.chu HEUR:Trojan-Spy.MSIL.KeyLogger.gen Backdoor.MSIL.Agent.igo Trojan.MSIL.Disfa HEUR:Trojan.Win32.Generic HEUR:Trojan.MSIL.Crypt.gen HEUR:Trojan.MSIL.Bladabindi.gen

Link:

https://opentip.kaspersky.com/1efa20b2b604e115f7e8c03b1ff6e51ce6ee40e9a88defaa9e9d84a2d348db98/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7809e15d-f6a2-4f25-bfb1-630e3dd84566

Result

Threat name:

Njrat

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1889884

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)

Disables zone checking for all users

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

Unusual module load detection (module proxying)

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/1efa20b2b604e115f7e8c03b1ff6e51ce6ee40e9a88defaa9e9d84a2d348db98

Gathering data

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/1efa20b2b604e115f7e8c03b1ff6e51ce6ee40e9a88defaa9e9d84a2d348db98/

Verdict:

Malicious

Threat:

Family.NJRAT

Link:

https://tip.neiki.dev/file/1efa20b2b604e115f7e8c03b1ff6e51ce6ee40e9a88defaa9e9d84a2d348db98

Threat name:

ByteCode-MSIL.Backdoor.NjRAT

Status:

Malicious

First seen:

2026-02-12 05:45:28 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

34 of 36 (94.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=d35cbmvwatqrl57iya5r75xfdtto4qhjvcg67ku6twckfu2i3oma._file

Verdict:

malicious

Label(s):

njrat

Similar samples:

error

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:youtube defense_evasion discovery persistence privilege_escalation trojan

Link:

https://tria.ge/reports/260326-y7hjxsdw3l/

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

Executes dropped EXE

Modifies Windows Firewall

Njrat family

njRAT/Bladabindi

Malware Config

C2 Extraction:

rony.publicvm.com:1177

Unpacked files

SH256 hash:

1efa20b2b604e115f7e8c03b1ff6e51ce6ee40e9a88defaa9e9d84a2d348db98

MD5 hash:

bb9a53d434f0705740d712952e018b60

SHA1 hash:

c7f76dafc7f2edaf48eaf9f5545af6e59d864d49

Detections:

win_njrat_g1

win_njrat_w1

NjRat

CN_disclosed_20180208_c

Njrat

win_njrat_bytecodes_oct_2023

win_njrat_strings_oct_2023

MALWARE_Win_NjRAT

Link:

https://www.unpac.me/results/da501b4a-47e3-480c-82ad-58ded791a4ca/

Parent samples :

5b84ee852bff756a0f1a16734b2701c7da5a6e108eb6e188ebe5fa84dff375d8
1efa20b2b604e115f7e8c03b1ff6e51ce6ee40e9a88defaa9e9d84a2d348db98

Malware family:

njRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/1efa20b2b604/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/1efa20b2b604e115f7e8c03b1ff6e51ce6ee40e9a88defaa9e9d84a2d348db98

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:	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:	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

Rule name:	Windows_Trojan_Njrat_30f3c220 Create hunting rule
Author:	Elastic Security

Rule name:	win_njrat_bytecodes_oct_2023 Create hunting rule
Author:	Matthew @ Embee_Research

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.

Cape

https://www.capesandbox.com/analysis/59419/

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