MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 423d89d3e4d7651aaf9a83e3ed444daae54e14b2104f5a8552ad61df7aebff4c. 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 4 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 423d89d3e4d7651aaf9a83e3ed444daae54e14b2104f5a8552ad61df7aebff4c
SHA3-384 hash: fcc9c883be9202518a7aaf80c68d1f6e432d1902c10b3629dcee4aec11a3f6b77dd1acd98a0ea9b2e08c3b19ccb3606b
SHA1 hash: 917bd4b5cd6c621e52f96ae1565122e724ceca1d
MD5 hash: 099c9da2357e0f58ab09fc5a24589e41
humanhash: jersey-bulldog-mississippi-india
File name:423D89D3E4D7651AAF9A83E3ED444DAAE54E14B2104F5.exe
Download: download sample
Signature njrat
Create hunting rule
File size:36'864 bytes
First seen:2021-08-27 21:15:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:YwdmBkiyJnDNGRn5IyUvwIFvthI/im1xbrAF+rMRTyN/0L+EcoinblneHQM3epzV:xh5M5jUvFFwqmPrM+rMRa8Nud7t
Threatray 217 similar samples on MalwareBazaar
TLSH T12FF2294D7FE08168C5FE167B05B2D413077AE14F5E23D90D8EF664AA36736C18F60AA2
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
13.58.157.220:13661

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
13.58.157.220:13661 https://threatfox.abuse.ch/ioc/201285/
3.19.130.43:13661 https://threatfox.abuse.ch/ioc/201286/
3.142.167.54:13661 https://threatfox.abuse.ch/ioc/201287/
3.142.129.56:13661 https://threatfox.abuse.ch/ioc/201288/

Intelligence

File Origin
# of uploads :
1
# of downloads :
613
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
423D89D3E4D7651AAF9A83E3ED444DAAE54E14B2104F5.exe
Verdict:
Malicious activity
Analysis date:
2021-08-27 21:16:52 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/8ef22ab5-af0c-4488-8938-1d7e7ca8e5b5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
njRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/182982/
Detection(s):
Win.Trojan.B-468
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

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a UDP request
Enabling the 'hidden' option for analyzed file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for files in the %temp% directory
Creating a process with a hidden window
Creating a window
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Enabling autorun by creating a file
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2a698096-d0ce-4c87-ba10-e732dc7d6239
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/840611
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
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 473042 Sample: 423D89D3E4D7651AAF9A83E3ED4... Startdate: 27/08/2021 Architecture: WINDOWS Score: 100 37 8.tcp.ngrok.io 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 13 other signatures 2->51 9 423D89D3E4D7651AAF9A83E3ED444DAAE54E14B2104F5.exe 1 6 2->9         started        12 server.exe 3 2->12         started        14 server.exe 2 2->14         started        16 server.exe 2 2->16         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\server.exe, PE32 9->31 dropped 33 C:\Users\user\...\server.exe:Zone.Identifier, ASCII 9->33 dropped 35 423D89D3E4D7651AAF...4E14B2104F5.exe.log, ASCII 9->35 dropped 18 server.exe 2 6 9->18         started        process6 dnsIp7 39 13.58.157.220, 13661, 49709, 49718 AMAZON-02US United States 18->39 41 3.142.129.56, 13661, 49739, 49741 AMAZON-02US United States 18->41 43 3 other IPs or domains 18->43 27 C:\...\b9de363c039d49d6515449b25ff5fee2.exe, PE32 18->27 dropped 29 b9de363c039d49d651...exe:Zone.Identifier, ASCII 18->29 dropped 53 Antivirus detection for dropped file 18->53 55 Multi AV Scanner detection for dropped file 18->55 57 Machine Learning detection for dropped file 18->57 59 4 other signatures 18->59 23 netsh.exe 1 3 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/423d89d3e4d7651aaf9a83e3ed444daae54e14b2104f5a8552ad61df7aebff4c/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-06-14 00:46:16 UTC
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ii6ytu7e25srvl42qpr62rcnvlsu4ffscbhvvbksvvq566xl75ga._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
1292e5a45426d40909dc8199da5fc6346a4b8a652baff6bacee9e64bb253f16c
njrat
2d6a60fa56688f81b3b1ecebf2eb1ae9b44f41a9e070916c93e3f85dd841d174
njrat
329c2259d6015d98464322b873b783d18da6ac1a13d7ec40d1de9f143659b1bb
njrat
6cb0c6c55411375878184fba0feeee93c99c7f184818449e548ef875486ec38a
njrat
8b2c5362887dbc350aae004bee2ea50b83aee63bdb1d88c2559672e9ca5b91d5
njrat
a43c0d39f01808746f82c041edad38edbb89334c098311331d3e2733824f6259
njrat
c7b54cc4aa3d4b08652359ddb2e8b0d91ccd6d0a01c7a34eb527fde4f0f44957
njrat
d98190863e8f53c385de8531ac7e5e89dc61cdaf17df688614ded12c24c78d31
njrat
ed34d4eba0bc7d434f32bb9bca0147632592656ddf0c2aa892fbee54b0850ff1
njrat
ffe8dbc4f815fe713c790a19b5122c79d1de9c817f10edf7d86ca297175ce439
njrat
+ 207 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence trojan
Link:
https://tria.ge/reports/210827-396aktgpnn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Malware Config
C2 Extraction:
8.tcp.ngrok.io:13661
Unpacked files
SH256 hash:
423d89d3e4d7651aaf9a83e3ed444daae54e14b2104f5a8552ad61df7aebff4c
MD5 hash:
099c9da2357e0f58ab09fc5a24589e41
SHA1 hash:
917bd4b5cd6c621e52f96ae1565122e724ceca1d
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/9f2063e4-9e59-4967-8043-245db4c8d412/
Malware family:
njRat
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/423d89d3e4d7/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/423d89d3e4d7651aaf9a83e3ed444daae54e14b2104f5a8552ad61df7aebff4c

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:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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
Cape
https://www.capesandbox.com/analysis/182982/

Comments