MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9009371df732bd8b3ccab8b38e9968069503292b112b2b27cb1c3c54814b3ab. 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 4 YARA 8 File information Comments

SHA256 hash:	d9009371df732bd8b3ccab8b38e9968069503292b112b2b27cb1c3c54814b3ab
SHA3-384 hash:	27c989a4bb53e37ddd58886bfaeadc860b9fb7872fd1109961d248ff2e4f2e5dbbdc250f0f2e79eb291f1cdd7254ec2c
SHA1 hash:	5a74f54d3b229ac8d0232ebbbd06d1225e506130
MD5 hash:	39c7890454199e5b02bb27a88a5de133
humanhash:	indigo-neptune-edward-mobile
File name:	39C7890454199E5B02BB27A88A5DE133.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	24'064 bytes
First seen:	2021-08-13 07:56:17 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	384:hc6CqbFYh3odrVCGiHssDB4b6i6fgpEupNXRmRvR6JZlbw8hqIusZzZJWv:iIU0tw3RpcnuYI
Threatray	673 similar samples on MalwareBazaar
TLSH	T184B23A0E3FA98856C4AC17748AB5961043B491870423EE2FCCC564DBAFB3AD91D4CEF8
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
3.22.15.135:15690

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
3.22.15.135:15690	https://threatfox.abuse.ch/ioc/184305/
3.131.147.49:15690	https://threatfox.abuse.ch/ioc/184307/
3.133.207.110:15690	https://threatfox.abuse.ch/ioc/184308/
3.129.187.220:15690	https://threatfox.abuse.ch/ioc/184309/

Intelligence

File Origin

# of uploads :

# of downloads :

312

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

39C7890454199E5B02BB27A88A5DE133.exe

Verdict:

Malicious activity

Analysis date:

2021-08-13 08:02:03 UTC

Tags:

rat njrat bladabindi trojan

Link:

https://app.any.run/tasks/a5365e6d-ddff-4183-b729-3e8a16f6c441

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/178895/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

Sending a custom TCP request

Creating a file in the %temp% directory

Sending a UDP request

Creating a process from a recently created file

Creating a file

Creating a process with a hidden window

Creating a window

DNS request

Connection attempt

Unauthorized injection to a recently created process

Launching the process to change the firewall settings

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

Enabling autorun by creating a file

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:

Malicious Packer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/778a467f-fbf3-4898-88b9-3a4d19954563

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/832214

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

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

Contains functionality to log keystrokes (.Net Source)

Creates autostart registry keys with suspicious names

Detected njRat

Drops PE files to the startup folder

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

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/d9009371df732bd8b3ccab8b38e9968069503292b112b2b27cb1c3c54814b3ab/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2021-08-10 18:37:14 UTC

AV detection:

27 of 28 (96.43%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=3eajg4o7omv5rm6mvoftr2mwqbuvamuswejlfmt4whb4ksauwovq._file

Verdict:

malicious

Label(s):

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat evasion persistence suricata trojan

Link:

https://tria.ge/reports/210813-hmqvkqq1a6/

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)

Unpacked files

SH256 hash:

d9009371df732bd8b3ccab8b38e9968069503292b112b2b27cb1c3c54814b3ab

MD5 hash:

39c7890454199e5b02bb27a88a5de133

SHA1 hash:

5a74f54d3b229ac8d0232ebbbd06d1225e506130

Detections:

win_njrat_w1

win_njrat_g1

Link:

https://www.unpac.me/results/166c808b-83e8-4d51-8379-6ad9e628e874/

Malware family:

njRat

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/d9009371df73/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/d9009371df732bd8b3ccab8b38e9968069503292b112b2b27cb1c3c54814b3ab

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:	MALWARE_Win_NjRAT Create hunting rule
Author:	ditekSHen
Description:	Detects NjRAT / Bladabindi

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/178895/

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