MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a70002c527a508f14051e606115ad0a04c045d7ffdb6a70ed01361b3ce7b3de2. 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 2 YARA 11 File information Comments

SHA256 hash:	a70002c527a508f14051e606115ad0a04c045d7ffdb6a70ed01361b3ce7b3de2
SHA3-384 hash:	5a4e9662724d5e34fa4f27a217c4dedb1dae8793eb8b234cbb30f3b73607d9eac7e13cf88def92dfde88e4c94c7cc168
SHA1 hash:	ee8cf7689899772f5e59e66bc66b89fd19269ea0
MD5 hash:	18f1f44a28639057e66f8390d4faa3df
humanhash:	bulldog-skylark-mexico-lithium
File name:	18f1f44a28639057e66f8390d4faa3df.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	32'256 bytes
First seen:	2021-12-02 09:06:07 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	768:6b4fqdzNB0zx/6LmzmnAXdvAFQmIDUu0tirQj:Z6KjpAQVkBj
Threatray	172 similar samples on MalwareBazaar
TLSH	T1D1E22BADFBE64465D2BC0AB50571950013B8D103E523F77E4ECB24EA2B6B6D84B84DF2
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
3.142.167.4:13962

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
3.142.167.4:13962	https://threatfox.abuse.ch/ioc/257366/
3.19.130.43:13962	https://threatfox.abuse.ch/ioc/257367/

Intelligence

File Origin

# of uploads :

# of downloads :

228

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

18f1f44a28639057e66f8390d4faa3df.exe

Verdict:

Malicious activity

Analysis date:

2021-12-02 09:19:09 UTC

Tags:

rat njrat bladabindi trojan

Link:

https://app.any.run/tasks/3858741b-e587-4b92-9971-524e2367e68a

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/210617/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Creating a process with a hidden window

DNS request

Creating a window

Searching for synchronization primitives

Using the Windows Management Instrumentation requests

Sending a custom TCP request

Launching the process to change the firewall settings

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

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm fingerprint greyware keylogger njrat obfuscated packed rat stealer winnti

Link:

https://www.filescan.io/uploads/61a88cb8707a51cfe28afcdf/reports/1749a486-9ffa-4ac5-84ac-23ea8dd03f4d/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.

Malware family:

njRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c7a45626-3d8c-4b66-8393-2f31c99db10e

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/899993

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

C2 URLs / IPs found in malware configuration

Connects to many ports of the same IP (likely port scanning)

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 dropped file

Multi AV Scanner detection for submitted file

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

Uses netsh to modify the Windows network and firewall settings

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a70002c527a508f14051e606115ad0a04c045d7ffdb6a70ed01361b3ce7b3de2/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2021-11-30 18:52:20 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

40 of 45 (88.89%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=u4aafrjhuuepcqcr4ydbcwwqubgaixl77w3kodwqcnq3htt3hxra._file

Verdict:

malicious

Label(s):

njrat

285b6700d98397dafa08816710eec9724407d49e270245e9a994c5ee8f9a40b4

njrat

309def552c446ea54ce932da7546242ccf13b5878c44a9b7f7b23237ff5d1edb

njrat

434c3b5ab0a2b53e04e4cdf6df69ab626919e3f5b9cffde95e178fe975d463b4

njrat

46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9

njrat

54622fa73246157a2e25e418d554d5ccafc663151ac067819d18f48caad9a32c

njrat

96e438e2623b95267817cfa70cb9ebe627c4a051662b5af7162bc671ae32b8cf

njrat

b7ae7f4453b062073d68146727f16af5d57d39758fd3f0fd7c067ba78eb27b97

njrat

d62f0e86c54f465b93bdab28f2ccc770999db63f8c69c937afcf66f9029eae3f

njrat

+ 162 additional samples on MalwareBazaar

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:mybot evasion persistence suricata trojan

Link:

https://tria.ge/reports/211202-k3bc6adgbk/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Adds Run key to start application

Drops startup file

Modifies Windows Firewall

njRAT/Bladabindi

suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

Malware Config

C2 Extraction:

8.tcp.ngrok.io:13962

Unpacked files

SH256 hash:

a70002c527a508f14051e606115ad0a04c045d7ffdb6a70ed01361b3ce7b3de2

MD5 hash:

18f1f44a28639057e66f8390d4faa3df

SHA1 hash:

ee8cf7689899772f5e59e66bc66b89fd19269ea0

Detections:

win_njrat_w1

win_njrat_g1

Link:

https://www.unpac.me/results/59195591-6254-49cb-a47e-6c15422955cd/

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/a70002c527a508f14051e606115ad0a04c045d7ffdb6a70ed01361b3ce7b3de2

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_Win_NjRAT Create hunting rule
Author:	ditekSHen
Description:	Detects NjRAT / Bladabindi

Rule name:	MAL_Winnti_Sample_May18_1 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:	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:	Njrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect njRAT in memory

Rule name:	pe_imphash Create hunting rule

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:	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/210617/

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