MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b19df7069dc2884dc94026608f9fd4bd3f0f2543802c41dc19b78474c866d2e6. 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 4 File information Comments

SHA256 hash:	b19df7069dc2884dc94026608f9fd4bd3f0f2543802c41dc19b78474c866d2e6
SHA3-384 hash:	4c0648bc3927448172f66aae08885ee10135454ef3bb7df73e52a5b214e4685e1057a54d223020d5ea20a0e75d04e334
SHA1 hash:	1cd006020288a9352ddb50ff216852bab4ffa005
MD5 hash:	607c08e91edbedca84718f852363bd48
humanhash:	five-queen-island-shade
File name:	b19df7069dc2884dc94026608f9fd4bd3f0f2543802c41dc19b78474c866d2e6
Download:	download sample
Signature	njrat Create hunting rule
File size:	32'256 bytes
First seen:	2020-07-06 07:30:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	768:wp/GJ9wpJb/2zxxONZmMzqTfvrsQmIDUu0tijoZaj:dkmX7AQVkFIj
Threatray	35 similar samples on MalwareBazaar
TLSH	D8E23BADFBE64465C2BD4AB50671950053B4D107E523F77E4ECB24A62B2B3C84B88DF2
Reporter	JAMESWT_WT
Tags:	NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

273

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Njrat

Link:

https://www.capesandbox.com/analysis/21316/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Creating a process from a recently created file

Creating a process with a hidden window

Creating a window

Connection attempt

Launching the process to change the firewall settings

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b19df7069dc2884dc94026608f9fd4bd3f0f2543802c41dc19b78474c866d2e6/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2020-07-01 06:47:02 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 29 (93.10%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wgo7obu5ykee3skaezqi7h6uxu7q6jkdqawedxazw6chjsdg2lta._file

Result

Malware family:

njrat

Score:

10/10

Tags:

evasion persistence trojan family:njrat

Link:

https://tria.ge/reports/200706-x71xw5z8j6/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Modifies service

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:	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:	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/21316/

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