MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9. 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: 13

Intelligence 13 IOCs 3 YARA 11 File information Comments

SHA256 hash:	46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9
SHA3-384 hash:	d343176ffda7cfd6b5cce001b62ce1b4768936638e059ed1373801c078501d2f409b6b4a24d88b8aab350862df67d444
SHA1 hash:	3a3028b6cf152f2c4d5872c0eb1948f2ddd152a1
MD5 hash:	58d96f9f4e0484a57bc7c0fcb05a9595
humanhash:	autumn-lemon-social-thirteen
File name:	58d96f9f4e0484a57bc7c0fcb05a9595.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	32'256 bytes
First seen:	2021-10-23 23:35:38 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	768:7NaHirnp7VJMzxn6zuJORmnXPlv4eQmIDUu0tiMWj:O0pKQeJLQVkGj
Threatray	158 similar samples on MalwareBazaar
TLSH	T128E21C6DFBE64466D1BD0AB50571950013B8E003E523F67F4ECA24EA2B6B7D84B84DF2
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
3.22.30.40:10196

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
3.22.30.40:10196	https://threatfox.abuse.ch/ioc/236836/
3.17.7.232:10196	https://threatfox.abuse.ch/ioc/236837/
3.14.182.203:10196	https://threatfox.abuse.ch/ioc/236838/

Intelligence

File Origin

# of uploads :

# of downloads :

658

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/199611/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %AppData% directory

Creating a process from a recently created file

Creating a process with a hidden window

Using the Windows Management Instrumentation requests

Creating a window

Connection attempt to an infection source

Launching the process to change the firewall settings

Firewall traversal

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

Query of malicious DNS domain

Sending a TCP request to an infection source

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

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

Link:

https://www.filescan.io/uploads/6174f6a2a9d585e6d5370302/reports/523a9b29-074f-4e2d-9dc2-72e663bd851e/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/e828eb01-12be-4d25-ac98-ef752837ddbe

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/875717

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

C2 URLs / IPs found in malware configuration

Contains functionality to log keystrokes (.Net Source)

Creates autostart registry keys with suspicious names

Detected njRat

Drops PE files to the startup folder

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 domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Protects its processes via BreakOnTermination flag

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

Gathering data

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2021-10-19 17:12:00 UTC

AV detection:

25 of 28 (89.29%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=i3wrgpzxb3exshmaiflvhzikidady6vgtltleiv4fytyzlxxa64q._file

Verdict:

malicious

Label(s):

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:dat evasion persistence suricata trojan

Link:

https://tria.ge/reports/211023-3lj8vaddgk/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Adds Run key to start application

Drops startup file

Loads dropped DLL

Executes dropped EXE

Modifies Windows Firewall

njRAT/Bladabindi

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

Malware Config

C2 Extraction:

0.tcp.ngrok.io:10196

Unpacked files

SH256 hash:

46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9

MD5 hash:

58d96f9f4e0484a57bc7c0fcb05a9595

SHA1 hash:

3a3028b6cf152f2c4d5872c0eb1948f2ddd152a1

Detections:

win_njrat_w1

win_njrat_g1

Link:

https://www.unpac.me/results/44191f1e-95b1-4563-a0dd-6f6cc87de485/

Malware family:

njRat

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/46ed133f370e/report/overview.html

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

Threat name:

NJRat

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9

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/199611/

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