MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d99dab4fd5138c6eda388db1f502b70af074b4080088c2eaa363e382722efbd8. 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: 9

Intelligence 9 IOCs 4 YARA 6 File information Comments

SHA256 hash:	d99dab4fd5138c6eda388db1f502b70af074b4080088c2eaa363e382722efbd8
SHA3-384 hash:	21311f4aec50f097d3cdac0b182fc6ad3a1c7bcf20aef5c56b9adc70c9a4141a63356cb0cc1472a2bc832cd44ebd6e36
SHA1 hash:	9744a4236737588f462db6de0f71ebcfc1e9b9e9
MD5 hash:	a01ef2df61d3d307ffeecf49d841405c
humanhash:	mars-mountain-neptune-thirteen
File name:	a01ef2df61d3d307ffeecf49d841405c.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	44'032 bytes
First seen:	2021-05-31 22:41:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	384:UZyKhxS0lwZmoy7edac+KMNx+dkaNS9D9O5UE5QzwBlpJNakkjh/TzF7pWnFgre/:itFGol7ga7MdjvQO+k+L
Threatray	80 similar samples on MalwareBazaar
TLSH	4413E78CB794A174D5FF8BF1A4D2B2890B71905BA802D30F99F154ED4BB3AC09611EE7
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
3.142.129.56:14952

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
3.142.129.56:14952	https://threatfox.abuse.ch/ioc/68153/
3.142.167.4:14952	https://threatfox.abuse.ch/ioc/68154/
13.58.157.220:14952	https://threatfox.abuse.ch/ioc/68155/
3.19.130.43:14952	https://threatfox.abuse.ch/ioc/68156/

Intelligence

File Origin

# of uploads :

# of downloads :

338

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Server.exe

Verdict:

Malicious activity

Analysis date:

2021-05-29 14:25:50 UTC

Tags:

trojan rat njrat bladabindi

Link:

https://app.any.run/tasks/db00191d-4847-49c2-be0a-4df0d8ce7952

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/163580/

Detection(s):

Win.Trojan.Generic-6417450-0

Win.Packed.Generic-7672855-0

Win.Packed.njRAT-7672853-1

Win.Packed.Msilperseus-9220094-0

Win.Packed.Generic-9795615-0

Result

Verdict:

Malware

Maliciousness:

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.

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/794891

Signature

Antivirus / Scanner detection for submitted sample

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

Detected njRat

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

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

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d99dab4fd5138c6eda388db1f502b70af074b4080088c2eaa363e382722efbd8/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2021-05-30 10:36:53 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=3go2wt6vcogg5wryrwy7kavxblyhjnaiacemf2vdmprye4ro7pma._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/210531-w2vpbg9fqx/

Behaviour

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

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

Threat name:

NJRat

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/d99dab4fd5138c6eda388db1f502b70af074b4080088c2eaa363e382722efbd8

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:	pe_imphash Create hunting rule

Rule name:	Ping_Del_method_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	cmd ping IP nul del

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

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/163580/

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