MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7. 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: 20

Intelligence 20 IOCs YARA 21 File information Comments

SHA256 hash:	d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7
SHA3-384 hash:	a17710c8bfccd65ed49486c432f4d31ad865143a1579ec8d3098a696463892e3a302752c01293f8b1a38bc8c9528adb1
SHA1 hash:	49653245efb1cfe5eee9b3452bb83c6718ba5c2f
MD5 hash:	d16886dc04d9ce85c604088c886b8fd5
humanhash:	rugby-juliet-alabama-spaghetti
File name:	pweijn8t8c.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	32'256 bytes
First seen:	2024-05-22 02:20:23 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:njMXjwpJbb2zxxO56eqvPisfv8yQmIDUu0tiWmj:ikKdisvQVkQj
Threatray	270 similar samples on MalwareBazaar
TLSH	T140E22B6DFBEA4466D1BD0AB50571950017B8D103E523F77E4ECA24E62B2F2D84B88DF2
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	pmelson
Tags:	exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

478

Origin country :

Vendor Threat Intelligence

Malware family:

njrat

ID:

File name:

d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7.exe

Verdict:

Malicious activity

Analysis date:

2024-05-22 02:22:02 UTC

Tags:

rat njrat bladabindi remote

Link:

https://app.any.run/tasks/24a49194-14b7-4865-845e-6e1c2fdc4f4a

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=664d569725570c503d8501b9win7simulatehigh_evasion

Tags:

Execution Generic Network 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

DNS request

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 cmd fingerprint keylogger lolbin netsh njrat rat stealer winnti

Link:

https://www.filescan.io/uploads/664d5693cc3f31c6c2075213/reports/75bd84d3-7b96-4013-a688-25a65a7bfedd/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7

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/37ec1f15-9b85-43d0-9a9a-b655cc9888b7

Result

Threat name:

Njrat

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1445492

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

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 domain / URL

Multi AV Scanner detection for submitted file

Snort IDS alert 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/d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2024-05-22 02:21:11 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

33 of 38 (86.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2qrovk6ivuruzp7ht3za3o6whbx2li3hzhningrtzldtpgbqu3lq._file

Verdict:

malicious

Label(s):

njrat

43f9346f00f00794f88d0d23b096b19e6bbd95ac7bde24b2619e139e1a7cc239

njrat

a9ea7800b0f50505268b058f14a23dbe4cf6c0f134681a68dce7429b9df8d88b

njrat

d94d9dbce42d7b6c0c5ef63e67f591d13229f3c4f6da24a9e9fb9a8d817aa598

njrat

f2fce7a94739dc81a39adcae9773b0a76c8d45986b26f51ccabd14285aaa8b64

njrat

+ 260 additional samples on MalwareBazaar

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:upss evasion trojan

Link:

https://tria.ge/reports/240522-cs1lashd7w/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Legitimate hosting services abused for malware hosting/C2

Modifies Windows Firewall

njRAT/Bladabindi

Malware Config

C2 Extraction:

4.tcp.eu.ngrok.io:17748

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/c7d897d2-9af6-4f10-8546-fbe5fa06c16e

Unpacked files

SH256 hash:

d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7

MD5 hash:

d16886dc04d9ce85c604088c886b8fd5

SHA1 hash:

49653245efb1cfe5eee9b3452bb83c6718ba5c2f

Detections:

NjRat

win_njrat_w1

win_njrat_g1

Njrat

MALWARE_Win_NjRAT

CN_disclosed_20180208_c

MAL_Winnti_Sample_May18_1

Link:

https://www.unpac.me/results/a6e09c3f-bf48-4b42-ae60-469e855b53c3/

Malware family:

njRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d422eaabc8ad/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/d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7

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:	SUSP_Ngrok_URL Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel

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.

Web download

njrat

exe d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7

(this sample)

Link

https://www.virustotal.com/gui/file/d422eaabc8ad234cbfe79ef20dbbd6386fa5a367c9da869a33cac7379830a6d7/detection

Delivery method

Distributed via web download

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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