MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87124ba55c45642f67890b15ffd1bc0e7911bdf8647af2b3eb0e52073353271f. 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 1 YARA 22 File information Comments

SHA256 hash:	87124ba55c45642f67890b15ffd1bc0e7911bdf8647af2b3eb0e52073353271f
SHA3-384 hash:	c9a79dac85ec402a5936aa9cf2c3bc7af23e902546b30cbc2cfe2d357b06a3db84027cb9feb6618bc61b77e20b91b32e
SHA1 hash:	e83c6a286a32b1b92d03f93af7c7db1b98577f47
MD5 hash:	f941d4289c21e6869ccc150d0ac16949
humanhash:	cold-juliet-king-uranus
File name:	f941d4289c21e6869ccc150d0ac16949.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	32'256 bytes
First seen:	2025-01-02 13:10:21 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'918 x AgentTesla, 19'821 x Formbook, 12'309 x SnakeKeylogger)
ssdeep	768:1rhO5b13hdwzxLy3os0O/dMRvCnQmIDUu0tikFj:5cZ6eh6gQVkJj
TLSH	T18DE21BADFBE64466D2BC0AB50571950013B4D103E523F77E4ECB28A62B6B7D84B48DF2
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:
185.65.68.247:6522

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
185.65.68.247:6522	https://threatfox.abuse.ch/ioc/1377240/

Intelligence

File Origin

# of uploads :

# of downloads :

569

Origin country :

Vendor Threat Intelligence

Malware family:

njrat

ID:

File name:

f941d4289c21e6869ccc150d0ac16949.exe

Verdict:

Malicious activity

Analysis date:

2025-01-02 13:19:56 UTC

Tags:

njrat rat bladabindi remote

Link:

https://app.any.run/tasks/b95250d6-0240-4c0d-b572-1fec72c4284c

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=6776906774a2bd296e2522cf

Tags:

bladabindi njrat

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Creating a process with a hidden window

Creating a window

Searching for synchronization primitives

Connection attempt

Using the Windows Management Instrumentation requests

Sending a custom TCP request

Launching the process to change the firewall settings

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm bladabindi cmd fingerprint keylogger lolbin netsh njrat rat vbnet windows winnti

Link:

https://www.filescan.io/uploads/677690680a45a868c0188d39/reports/0ddbac47-dcf3-4058-aa8e-6b56c6493aba/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/87124ba55c45642f67890b15ffd1bc0e7911bdf8647af2b3eb0e52073353271f

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/0fc75d1a-5223-4860-8216-13a4f379d54f

Result

Threat name:

Njrat

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1583346

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Contains functionality to log keystrokes (.Net Source)

Disables zone checking for all users

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the windows firewall

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/87124ba55c45642f67890b15ffd1bc0e7911bdf8647af2b3eb0e52073353271f

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/87124ba55c45642f67890b15ffd1bc0e7911bdf8647af2b3eb0e52073353271f/

Threat name:

ByteCode-MSIL.Backdoor.njRAT

Status:

Malicious

First seen:

2024-12-30 10:39:03 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=q4jexjk4ivsc6z4jbmk77un4bz4rdppymr5pfm7lbzjaom2te4pq._file

Verdict:

malicious

Label(s):

njrat

Similar samples:

error

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:mybot discovery evasion persistence privilege_escalation trojan

Link:

https://tria.ge/reports/250102-qg9xgswlcn/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Modifies Windows Firewall

Njrat family

njRAT/Bladabindi

Malware Config

C2 Extraction:

185.65.68.247:6522

Verdict:

Malicious

Tags:

rat njrat bladabindi Win.Packed.Generic-9795615-0

YARA:

malware_Njrat_strings win_njrat_strings_oct_2023 Windows_Trojan_Njrat_30f3c220 MAL_Njrat MALWARE_Win_NjRAT JPCERTCC_Njrat

Link:

https://app.threat.zone/submission/c9c28827-d1cb-440b-b652-467c2d15cf8c

Unpacked files

SH256 hash:

87124ba55c45642f67890b15ffd1bc0e7911bdf8647af2b3eb0e52073353271f

MD5 hash:

f941d4289c21e6869ccc150d0ac16949

SHA1 hash:

e83c6a286a32b1b92d03f93af7c7db1b98577f47

Detections:

NjRat

win_njrat_w1

win_njrat_g1

Link:

https://www.unpac.me/results/112efb56-b078-48da-be13-59d0527daa1d/

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/87124ba55c45642f67890b15ffd1bc0e7911bdf8647af2b3eb0e52073353271f

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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