MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9435cfaf83d541afd3776aade5018ebbe8659ad99151edfbe135b29e792538bc. 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: 14

Intelligence 14 IOCs 1 YARA 10 File information Comments

SHA256 hash:	9435cfaf83d541afd3776aade5018ebbe8659ad99151edfbe135b29e792538bc
SHA3-384 hash:	2eea7096a735f10ecfe80dabd27aa490a5a9058f323eada24f684ff64a50e847774ad222174f38c61ba720232461f726
SHA1 hash:	5482ad5b6504f8df6b358c42ae963f53c7006184
MD5 hash:	7dfec5a225dddbeb3d7972cbb145eb43
humanhash:	lima-potato-blue-cardinal
File name:	9435CFAF83D541AFD3776AADE5018EBBE8659AD99151E.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	24'064 bytes
First seen:	2022-04-06 01:03:47 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'649 x Formbook, 12'245 x SnakeKeylogger)
ssdeep	384:0eop9oS+2pRURIXIRHVSuV+MX9w6Dglo61ZhXDVmRvR6JZlbw8hqIusZzZ3Y:fof9pnIP1VkYRpcnuH
Threatray	1'241 similar samples on MalwareBazaar
TLSH	T16EB2094E3FA98866C5BC177486A6965003B491470423EE2FCCC960DBAFB37D91D4CAF9
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
154.237.244.50:6060

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
154.237.244.50:6060	https://threatfox.abuse.ch/ioc/513938/

Intelligence

File Origin

# of uploads :

# of downloads :

468

Origin country :

n/a

Vendor Threat Intelligence

Detection:

njRat

Link:

https://www.capesandbox.com/analysis/261123/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file in the %temp% directory

Creating a process from a recently created file

Creating a file

Creating a process with a hidden window

Creating a window

Searching for synchronization primitives

Using the Windows Management Instrumentation requests

Unauthorized injection to a recently created process

Launching the process to change the firewall settings

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

Query of malicious DNS domain

Sending a TCP request to an infection source

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

bladabindi njrat obfuscated rat

Link:

https://www.filescan.io/uploads/624ce703db9ca5cf84292445/reports/b56540bf-b152-47cf-8d39-945d4ef92f6b/overview

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/13a9de7b-ae8a-47ff-bd87-25400d382a25

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/971251

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

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to log keystrokes (.Net Source)

Creates autostart registry keys with suspicious names

Detected njRat

Drops PE files to the startup folder

Found malware configuration

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 domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Protects its processes via BreakOnTermination flag

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Uses dynamic DNS services

Uses netsh to modify the Windows network and firewall settings

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/9435cfaf83d541afd3776aade5018ebbe8659ad99151edfbe135b29e792538bc/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2022-02-06 11:24:04 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

40 of 42 (95.24%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=sq247l4d2va27u3xnkw6kamoxpuglgwzsfi6367bgwzj46jfhc6a._file

Verdict:

malicious

Label(s):

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:atyuyewsxxcfzsty evasion persistence trojan

Link:

https://tria.ge/reports/220406-bex3ksfhc7/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Adds Run key to start application

Drops startup file

Loads dropped DLL

Executes dropped EXE

Modifies Windows Firewall

njRAT/Bladabindi

Malware Config

C2 Extraction:

ffy643dfxvtesdyekyg.ddns.net:6060

Unpacked files

SH256 hash:

9435cfaf83d541afd3776aade5018ebbe8659ad99151edfbe135b29e792538bc

MD5 hash:

7dfec5a225dddbeb3d7972cbb145eb43

SHA1 hash:

5482ad5b6504f8df6b358c42ae963f53c7006184

Detections:

win_njrat_w1

win_njrat_g1

Link:

https://www.unpac.me/results/3d9e46e0-1d92-451f-a103-a5a3cce4cdc8/

Malware family:

njRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/9435cfaf83d5/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

NJRat

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/9435cfaf83d541afd3776aade5018ebbe8659ad99151edfbe135b29e792538bc

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
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:	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

Rule name:	MAL_njrat Create hunting rule
Author:	SECUINFRA Falcon Team

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:	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/261123/

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