MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0cdf4c2e3f8d62fdfc923282a7acf1ac1ff0c80f0d987784e4804681ac8bb854. 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 1 YARA 10 File information Comments

SHA256 hash:	0cdf4c2e3f8d62fdfc923282a7acf1ac1ff0c80f0d987784e4804681ac8bb854
SHA3-384 hash:	b2c428047be52c0696094f97dff1cadcc286768f043558249e1516d9cbfff86ae1c83ddf3f5445397d43773f86961b24
SHA1 hash:	a0587abc4c1a477469b3d35534430b9a7486433b
MD5 hash:	b641675e64c12a4e071b1b45447c8547
humanhash:	nineteen-mexico-foxtrot-item
File name:	b641675e64c12a4e071b1b45447c8547.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	32'256 bytes
First seen:	2022-02-16 01:55:55 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	768:aE+z4ZRzo+zxJ+lS2oqnA5Xva4QmIDUu0tiL2j:kM3/Lh7QVkHj
Threatray	409 similar samples on MalwareBazaar
TLSH	T15BE22B6DFBE64466D1BC0AB60571950013B4D043E523F77E4ECB24EA2B2B6D84B88DF2
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
141.255.150.229:1177

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
141.255.150.229:1177	https://threatfox.abuse.ch/ioc/388106/

Intelligence

File Origin

# of uploads :

# of downloads :

345

Origin country :

n/a

Vendor Threat Intelligence

Detection:

njRat

Link:

https://www.capesandbox.com/analysis/241772/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file

Creating a file in the Windows directory

Creating a process from a recently created file

Creating a process with a hidden window

Sending a custom TCP request

Creating a window

Searching for synchronization primitives

DNS request

Using the Windows Management Instrumentation requests

Creating a file in the mass storage device

Launching the process to change the firewall settings

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

Unauthorized injection to a system process

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm bladabindi cmd.exe control.exe fingerprint greyware keylogger netsh.exe njrat obfuscated packed rat replace.exe stealer update.exe winnti

Link:

https://www.filescan.io/uploads/620c59b5a2660f3bb9e0b6e8/reports/07ccde7d-154e-4cf3-abc6-ba34e6857c8d/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/5da06901-5a04-408c-af1f-1917e11639bd

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/940516

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to log keystrokes (.Net Source)

Creates an autostart registry key pointing to binary in C:\Windows

Creates autostart registry keys with suspicious names

Detected njRat

Drops executables to the windows directory (C:\Windows) and starts them

Drops PE files to the startup folder

Drops PE files with benign system names

Found malware configuration

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the windows firewall

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: File Created with System Process Name

Sigma detected: Suspcious CLR Logs Creation

Sigma detected: Suspicious Svchost Process

Sigma detected: System File Execution Location Anomaly

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

System process connects to network (likely due to code injection or exploit)

Uses dynamic DNS services

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/0cdf4c2e3f8d62fdfc923282a7acf1ac1ff0c80f0d987784e4804681ac8bb854/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2022-02-13 03:23:51 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 27 (96.30%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=btpuylr7rvrp37esgkbkplhrvqp7bsapbwmhpbheqbdidlelxbka._file

Verdict:

malicious

Label(s):

njrat

1c5952df10f0fdb566f748c18ef3b101825937c75cd26fa716a79298dbb343db

njrat

285b6700d98397dafa08816710eec9724407d49e270245e9a994c5ee8f9a40b4

njrat

309def552c446ea54ce932da7546242ccf13b5878c44a9b7f7b23237ff5d1edb

njrat

434c3b5ab0a2b53e04e4cdf6df69ab626919e3f5b9cffde95e178fe975d463b4

njrat

54622fa73246157a2e25e418d554d5ccafc663151ac067819d18f48caad9a32c

njrat

d62f0e86c54f465b93bdab28f2ccc770999db63f8c69c937afcf66f9029eae3f

njrat

+ 399 additional samples on MalwareBazaar

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:novo transformice evasion persistence suricata trojan

Link:

https://tria.ge/reports/220216-ccp5macdgj/

Behaviour

Checks processor information in registry

Modifies data under HKEY_USERS

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in Windows directory

Adds Run key to start application

Drops startup file

Executes dropped EXE

Modifies Windows Firewall

njRAT/Bladabindi

suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

Malware Config

C2 Extraction:

matthacking.duckdns.org:1177

Unpacked files

SH256 hash:

0cdf4c2e3f8d62fdfc923282a7acf1ac1ff0c80f0d987784e4804681ac8bb854

MD5 hash:

b641675e64c12a4e071b1b45447c8547

SHA1 hash:

a0587abc4c1a477469b3d35534430b9a7486433b

Detections:

win_njrat_w1

win_njrat_g1

Link:

https://www.unpac.me/results/0534af90-2795-4212-8a6c-f9665abe8351/

Malware family:

Winnti Group

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/0cdf4c2e3f8d/report/overview.html

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/0cdf4c2e3f8d62fdfc923282a7acf1ac1ff0c80f0d987784e4804681ac8bb854

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

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:	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/241772/

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