MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4cd64cd6ea7c31f5e568d6da93d6cfbc7c97d8d7829f27bf6702f2dc11ebf49. 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: 5

Intelligence 5 IOCs YARA 3 File information Comments

SHA256 hash:	b4cd64cd6ea7c31f5e568d6da93d6cfbc7c97d8d7829f27bf6702f2dc11ebf49
SHA3-384 hash:	2f395a54060e5f4b9cd903a17093893528fe418d471bef37fec71ade22352ba311ee9ad1d429f0fc926f47fcd96bcfec
SHA1 hash:	dadd912e1d5e853d9f6a48ce4ea57c996a256f57
MD5 hash:	ab05d0421c5ef0faa9284fb0a119c601
humanhash:	sierra-venus-chicken-pasta
File name:	b4cd64cd6ea7c31f5e568d6da93d6cfbc7c97d8d7829f27bf6702f2dc11ebf49
Download:	download sample
Signature	njrat Create hunting rule
File size:	100'480 bytes
First seen:	2020-06-10 12:19:51 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4q:d5eznsjsguGDFqGq
Threatray	346 similar samples on MalwareBazaar
TLSH	75A3CA387D952133C67EC1F689E50A8AEB69223F3191E9ED4CA742C418B2F166DC1D1F
Reporter	JAMESWT_WT
Tags:	NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

Win.Trojan.Agent-7915158-0

Win.Packed.Bladabindi-6717505-0

Gathering data

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2020-05-22 07:26:07 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

30 of 31 (96.77%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wtgwjtlou7br6xswrvw2splm7pd4s7mnpau7e67woaxs3qi6x5eq._file

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat evasion persistence trojan

Link:

https://tria.ge/reports/201109-272esrfva6/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies service

Suspicious use of SetThreadContext

Adds Run key 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.

No further information available

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