MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d4056dce7464a436ab92a94702d79b48f861daa8f97d29c30b26c3461f3f0a1. 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: 16

Intelligence 16 IOCs YARA 24 File information Comments

SHA256 hash:	6d4056dce7464a436ab92a94702d79b48f861daa8f97d29c30b26c3461f3f0a1
SHA3-384 hash:	90fd122aa0be2c2bef34a848fa8db97e555b8a3406fc20c9e4a488049b58002ea29fbdf32efa970cf9210256ddedbd61
SHA1 hash:	742d84337a209d151eace5f6ab3aea0f3c1fac16
MD5 hash:	31d526f2a0555e904ed31ec797e8151f
humanhash:	avocado-yellow-uranus-bluebird
File name:	31D526F2A0555E904ED31EC797E8151F.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	1'131'520 bytes
First seen:	2024-02-23 20:35:11 UTC
Last seen:	2024-07-24 15:32:47 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep	24576:1ffWAsmm6oDJksQSeW0maMjxc7RKm95rkwbfPH1CKUXpdIDFoas9:1ffWGoasOdM+gm95gOfPHnb+aC
Threatray	182 similar samples on MalwareBazaar
TLSH	T1EE3533A016C56952F74870F01391CBEA728BC30393FA7EF66632ED5E048DE970672E56
TrID	25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 19.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.1% (.EXE) Win32 Executable (generic) (4504/4/1) 7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23) 7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
147.185.221.18:36364

Intelligence

File Origin

# of uploads :

# of downloads :

471

Origin country :

Vendor Threat Intelligence

Detection:

Njrat

Link:

https://www.capesandbox.com/analysis/477569/

Detection(s):

Win.Malware.Agen-9838187-0

PUA.Win.Packer.EnigmaProtector-9852682-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

Enabling the 'hidden' option for analyzed file

Creating a file in the Windows directory

Creating a process from a recently created file

Creating a file

Enabling the 'hidden' option for recently created files

Creating a process with a hidden window

Creating a window

Searching for synchronization primitives

DNS request

Connection attempt

Using the Windows Management Instrumentation requests

Sending a custom TCP request

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

Launching the process to change the firewall settings

Creating a file in the mass storage device

Enabling autorun by creating a file

Enabling threat expansion on mass storage devices

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

bladabindi enigma lolbin obfuscated packed packed shell32

Link:

https://www.filescan.io/uploads/65d901be0ba622dfa954224b/reports/812273b7-8d4c-42c0-946e-100599fcfd28/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/6d4056dce7464a436ab92a94702d79b48f861daa8f97d29c30b26c3461f3f0a1

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:

Mimikatz

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/00bc8c9c-1576-4e39-b475-247c65243667

Result

Threat name:

Njrat

Detection:

malicious

Classification:

spre.troj.adwa.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1397961

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Creates an autostart registry key pointing to binary in C:\Windows

Creates autorun.inf (USB autostart)

Creates autostart registry keys with suspicious names

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Drops executables to the windows directory (C:\Windows) and starts them

Drops PE files to the startup folder

Drops PE files with benign system names

Found malware configuration

Hides threads from debuggers

Machine Learning detection for dropped file

Machine Learning detection for 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

PE file contains section with special chars

PE file has nameless sections

Protects its processes via BreakOnTermination flag

Sigma detected: Drops fake system file at system root drive

Sigma detected: Files With System Process Name In Unsuspected Locations

Snort IDS alert for network traffic

Tries to detect sandboxes and other dynamic analysis tools (window names)

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/6d4056dce7464a436ab92a94702d79b48f861daa8f97d29c30b26c3461f3f0a1

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6d4056dce7464a436ab92a94702d79b48f861daa8f97d29c30b26c3461f3f0a1/

Threat name:

Win32.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2024-02-20 19:13:00 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

29 of 38 (76.32%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=nvafnxhhizfeg2vzfkkhallzwshymhnkr6l5fhbqwjwdiypt6cqq._file

Verdict:

malicious

Label(s):

njrat

110353c2ef6c654dac5d7f4ca57a6bd0e377c11a6576678ee605f03569d57bbf

njrat

1ad99a8ca9607f3cda07687c97a8b1b1f28229526b89064c7e232e94714288c5

njrat

b1af59115af9cab0ec6b115ff5398c9979fd6e63b162d2c31b9004bc0bbde2f7

njrat

d8412d0963cfdcdb92b05c4ec33ee7436a6b3c818f5692d2785038e1460bc5be

njrat

ebe160919d1646d96694de6a38b7ac570f1827dedb163174bee9253a7475dd54

njrat

+ 172 additional samples on MalwareBazaar

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:2 evasion persistence trojan

Link:

https://tria.ge/reports/240223-zdj2bshe9y/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in Windows directory

Drops autorun.inf file

Suspicious use of NtSetInformationThreadHideFromDebugger

Adds Run key to start application

Checks computer location settings

Drops startup file

Executes dropped EXE

Modifies Windows Firewall

njRAT/Bladabindi

Malware Config

C2 Extraction:

than-electoral.gl.at.ply.gg:36364

Unpacked files

SH256 hash:

6d4056dce7464a436ab92a94702d79b48f861daa8f97d29c30b26c3461f3f0a1

MD5 hash:

31d526f2a0555e904ed31ec797e8151f

SHA1 hash:

742d84337a209d151eace5f6ab3aea0f3c1fac16

Detections:

SUSP_XORed_URL_In_EXE

Link:

https://www.unpac.me/results/a355dd80-a163-4487-ba40-2ac63e5b4367/

Malware family:

njRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6d4056dce746/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/6d4056dce7464a436ab92a94702d79b48f861daa8f97d29c30b26c3461f3f0a1

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:	Borland Create hunting rule
Author:	malware-lu

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	EnigmaStub Create hunting rule
Author:	@bartblaze
Description:	Identifies Enigma packer stub.

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

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

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

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

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:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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

Rule name:	SUSP_XORed_URL_In_EXE Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	SUSP_XORed_URL_in_EXE_RID2E46 Create hunting rule
Author:	Florian Roth
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	Windows_Trojan_Njrat_30f3c220 Create hunting rule

Rule name:	win_njrat_w1 Create hunting rule
Author:	Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:	Identify njRat

Rule name:	win_smominru_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.smominru.

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/477569/

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