MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689
SHA3-384 hash: 559144c581a0741c6b73b44217ba0b17f8075889899d069745436df0d0bdf93442b1709fced38e93819ba268e82a1bb0
SHA1 hash: a7cf5bbda13cc2bd75f200ed82620cccc0c78a13
MD5 hash: e089aff85d76e68515a5dd65180364af
humanhash: saturn-oregon-mockingbird-connecticut
File name:qAVPbxrX.exe
Download: download sample
Signature njrat
Create hunting rule
File size:24'064 bytes
First seen:2020-09-23 21:02:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 384:BpMKFYuEEhERvoBG16Xuy0MHNw6Tg1Y+75JTFmRvR6JZlbw8hqIusZzZhX:BCW4V6+yDRpcnui
Threatray 357 similar samples on MalwareBazaar
TLSH 67B22A0E3FA98856C5BC1B748AA5965003B491870413EF2FCDC564CBAFB3AD91D4CAF9
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/65009/
Detection(s):
Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Packed.Bladabindi-6804148-0
Create hunting rule

Win.Packed.Bladabindi-6917466-0
Create hunting rule

Win.Dropper.njRAT-7436651-0
Create hunting rule

Win.Packed.Generic-7672854-0
Create hunting rule

Win.Packed.Generic-7672855-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
DNS request
Using the Windows Management Instrumentation requests
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
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/473755
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
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 289323 Sample: qAVPbxrX.exe Startdate: 23/09/2020 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for dropped file 2->38 40 13 other signatures 2->40 8 qAVPbxrX.exe 1 5 2->8         started        11 system.exe 3 2->11         started        13 system.exe 2 2->13         started        15 system.exe 2 2->15         started        process3 file4 28 C:\Users\user\AppData\Roaming\system.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\...\qAVPbxrX.exe.log, ASCII 8->30 dropped 17 system.exe 5 5 8->17         started        process5 dnsIp6 32 steam008.ddns.net 141.255.146.26, 255, 49717, 49742 IELOIELOMainNetworkFR France 17->32 26 C:\...\4719599c6e49aad91cb3f7978e53123b.exe, PE32 17->26 dropped 42 Antivirus detection for dropped file 17->42 44 Multi AV Scanner detection for dropped file 17->44 46 Machine Learning detection for dropped file 17->46 48 2 other signatures 17->48 22 netsh.exe 3 17->22         started        file7 signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-23 21:04:06 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xq2b5tf573hrmfqtjwjagxuqwbrc5rttdzof65cbr4am4mbtu2eq._file
Verdict:
malicious
Similar samples:
1e77593073ce7c57226c55e20d5ca2e09c84c86a083a9d56b3dd1bb732305683
njrat
25cfc68958a0cb5232d1e4bb1cddbf70b9494d3ef240337e2cedb9226c786b1c
njrat
4f7ee2b1be709d2dfcfb894323ac4b6a3f3b0482c646d49b051769a6e3785239
njrat
51aed8db193794512a9d60736c06a19890c3e12ff3b0b22ae77832169723debf
njrat
553b932611fdb66130ffe51b352b03c487cc0662a2ecf0708e3ddacb620cced0
njrat
703dca09e84a98247353b177d81f8b9db8b995a53230e1d78f86418c90d2ed58
njrat
7a8ef2bd1c4b9d15c7f174544a01feb7709164a23e748f9a0f769774243648e7
njrat
957fb8a83836c7891ef2a513d354439776e51c027b908193c9c7df269e42a7a9
njrat
b6c28cb063a76219e1686cfa3c394de76921ee3ab4d315c22cee54dc6cea41a3
njrat
c96d7a2be148621094eb933be12d8c2bda0ae6f8f7c51dcbeca6ccd2b78ad4c7
njrat
+ 347 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
evasion persistence trojan family:njrat
Link:
https://tria.ge/reports/200923-w8nnfxfyxj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
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/bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689

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:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter
Description:Identify njRat

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

njrat

Executable exe bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689

(this sample)

  
Link
https://www.virustotal.com/gui/file/bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/65009/

Comments