MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbb44461205442d3644ee3137f495777b46d2cc9cc2039a6138571037c843342. 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: 7

Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash:	bbb44461205442d3644ee3137f495777b46d2cc9cc2039a6138571037c843342
SHA3-384 hash:	2839b25b72f071d2781aebf1c58518a6d83aa94c07e5eb4916b16d16cf543c606cdc328960568cd9c2191c0c6e1cb388
SHA1 hash:	ab3f904e3d57e0b7fb57b9dc78df1aedd0c647f7
MD5 hash:	40cd5e63a2d081dc7f6fd3d031d89887
humanhash:	south-social-freddie-july
File name:	bbb44461205442d3644ee3137f495777b46d2cc9cc2039a6138571037c843342
Download:	download sample
Signature	njrat Create hunting rule
File size:	65'024 bytes
First seen:	2020-07-06 07:28:27 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	1536:eo5Vm+RjXRWuxCHFj2Ul83HIxCLsVmFlYrj0B:eoK+RL0PFj2Ul83HIxCLsVmFlYrji
Threatray	385 similar samples on MalwareBazaar
TLSH	BB53D65B3FDC97A3E6BE66345021590843F1D90A4212FB6E7DC920990DF7B894F80AB6
Reporter	JAMESWT_WT
Tags:	NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

262

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Njrat

Link:

https://www.capesandbox.com/analysis/21294/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file

Creating a process from a recently created file

Creating a file in the %temp% directory

Creating a process with a hidden window

DNS request

Launching the process to change the firewall settings

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

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bbb44461205442d3644ee3137f495777b46d2cc9cc2039a6138571037c843342/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2020-06-26 00:35:58 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xo2eiyjakrbngzco4mjx6skxo62g2lgjzqqdtjqtqvyqg7eegnba._file

Result

Malware family:

njrat

Score:

10/10

Tags:

persistence trojan family:njrat evasion

Link:

https://tria.ge/reports/200706-b4x8hwm9q6/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Modifies service

Adds Run entry to start application

Loads dropped DLL

Executes dropped EXE

Modifies Windows Firewall

njRAT/Bladabindi

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

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

Rule name:	win_njrat_w1 Create hunting rule
Author:	Brian Wallace @botnet_hunter
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/21294/

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