MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e15758b43bd03a317325eeb94461dd3aa146c9db3e6c31b8e9dda441f1ba4b3. 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:	2e15758b43bd03a317325eeb94461dd3aa146c9db3e6c31b8e9dda441f1ba4b3
SHA3-384 hash:	c1b13f5b01c91972ae4a82210b422370818b5450b8edffe6aa03e9c035586a46e104c64eeee3861a1b4a0374aad5ee9c
SHA1 hash:	33ecad58c258c5cd896027811c6fa0f42564255b
MD5 hash:	508dbdf33362da23088dc438a6685681
humanhash:	nine-mirror-seven-north
File name:	508dbdf33362da23088dc438a6685681.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	32'256 bytes
First seen:	2021-12-02 08:56:06 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	768:qbS/69DdxkzxP6bGCMGHfQNvgVQmIDUu0tiBTj:XqqeziIQVksj
Threatray	170 similar samples on MalwareBazaar
TLSH	T1E6E21AADFBFA4466D1BD0AB50571950013B4D103E523E77E4ECA24A62B7B3D84B88DF2
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
3.133.207.110:11098

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
3.133.207.110:11098	https://threatfox.abuse.ch/ioc/257363/
3.138.180.119:11098	https://threatfox.abuse.ch/ioc/257364/

Intelligence

File Origin

# of uploads :

# of downloads :

225

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

508dbdf33362da23088dc438a6685681.exe

Verdict:

Malicious activity

Analysis date:

2021-12-02 09:04:55 UTC

Tags:

trojan rat njrat bladabindi

Link:

https://app.any.run/tasks/cc07c88b-760d-4e57-90c2-3053440b6be5

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/210605/

Result

Verdict:

Malware

Maliciousness:

Behaviour

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

Verdict:

Malicious

Threat level:

10/10

Confidence:

67%

Tags:

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

Link:

https://www.filescan.io/uploads/61a88a2c86bf67e7121f6a87/reports/0930c9b1-6e53-41e7-8a88-0020cee88a26/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/7a09dcde-ee95-4b22-a5d9-3107a239b3dc

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/899988

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Contains functionality to log keystrokes (.Net Source)

Detected njRat

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the windows firewall

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)

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/2e15758b43bd03a317325eeb94461dd3aa146c9db3e6c31b8e9dda441f1ba4b3/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2021-11-30 20:32:01 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=fykxlc2dxub2gfzsl3vzirq52ovbi3e5wptmgg4otxneihy3uszq._file

Verdict:

malicious

Label(s):

njrat

285b6700d98397dafa08816710eec9724407d49e270245e9a994c5ee8f9a40b4

njrat

309def552c446ea54ce932da7546242ccf13b5878c44a9b7f7b23237ff5d1edb

njrat

434c3b5ab0a2b53e04e4cdf6df69ab626919e3f5b9cffde95e178fe975d463b4

njrat

46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9

njrat

54622fa73246157a2e25e418d554d5ccafc663151ac067819d18f48caad9a32c

njrat

96e438e2623b95267817cfa70cb9ebe627c4a051662b5af7162bc671ae32b8cf

njrat

b7ae7f4453b062073d68146727f16af5d57d39758fd3f0fd7c067ba78eb27b97

njrat

d62f0e86c54f465b93bdab28f2ccc770999db63f8c69c937afcf66f9029eae3f

njrat

+ 160 additional samples on MalwareBazaar

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:mybot evasion trojan

Link:

https://tria.ge/reports/211202-kv3gnsgga8/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies Windows Firewall

njRAT/Bladabindi

Malware Config

C2 Extraction:

4.tcp.ngrok.io:11098

Unpacked files

SH256 hash:

2e15758b43bd03a317325eeb94461dd3aa146c9db3e6c31b8e9dda441f1ba4b3

MD5 hash:

508dbdf33362da23088dc438a6685681

SHA1 hash:

33ecad58c258c5cd896027811c6fa0f42564255b

Detections:

win_njrat_w1

win_njrat_g1

Link:

https://www.unpac.me/results/407820bf-a739-4665-a052-f0b458347709/

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/2e15758b43bd03a317325eeb94461dd3aa146c9db3e6c31b8e9dda441f1ba4b3

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/210605/

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