MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f3d6bf9ee09bd4cd6af117cca33965c33b99a7380d8de14450b7d4a3cd499b8. 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: 17


Intelligence 17 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f3d6bf9ee09bd4cd6af117cca33965c33b99a7380d8de14450b7d4a3cd499b8
SHA3-384 hash: 3dd4bf3a5ea4cc1e1ffc7761e698530521b064753f6a0d99b3c99eb31c3018c5f822141a986462cf81d0dcf645107044
SHA1 hash: ec5cf5b57414fa8253a842bb06fc6822b85e399d
MD5 hash: 871722db5b9b702357b675e48e491193
humanhash: summer-coffee-washington-pizza
File name:871722DB5B9B702357B675E48E491193.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2024-01-30 16:30:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:GstKUiDtblmJEpRGyEf7JfJuQCY6iXQrAF+rMRTyN/0L+EcoinblneHQM3epzXIf:5tiHpR9Ef7JsQCFiArM+rMRa8NuCFt
Threatray 1'472 similar samples on MalwareBazaar
TLSH T1C2032A4D7FE18168C5FD467B05B2D41207BBE04B6E23D90E8EF564AA37636C18B50AF2
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
18.158.58.205:11024

Intelligence

File Origin
# of uploads :
1
# of downloads :
434
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
6f3d6bf9ee09bd4cd6af117cca33965c33b99a7380d8de14450b7d4a3cd499b8.exe
Verdict:
Malicious activity
Analysis date:
2024-01-30 16:30:32 UTC
Tags:
rat njrat bladabindi remote
Link:
https://app.any.run/tasks/8ff1033b-0523-4df3-b3dd-ee976a022aad

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/473617/
Detection(s):
Sanesecurity.Malware.29039.UNOFFICIAL
Create hunting rule

Win.Packed.Bladabindi-7994427-0
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.Trojan.B-468
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd explorer fingerprint keylogger lolbin netsh njrat rat stealer
Link:
https://www.filescan.io/uploads/65b9244e16a447dc380029d6/reports/cc03a08d-498c-4656-91f9-250deb3274db/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/6f3d6bf9ee09bd4cd6af117cca33965c33b99a7380d8de14450b7d4a3cd499b8
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:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6eaefcf8-8f16-43d4-8e78-855696b4c5fb
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1383446
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 autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
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
Protects its processes via BreakOnTermination flag
Sigma detected: Drops fake system file at system root drive
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Suspicious Process Patterns NTDS.DIT Exfil
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Uses taskkill to terminate AV processes
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1383446 Sample: xuPFIoUdut.exe Startdate: 30/01/2024 Architecture: WINDOWS Score: 100 39 5.tcp.eu.ngrok.io 2->39 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 19 other signatures 2->53 9 xuPFIoUdut.exe 1 6 2->9         started        12 ESET Service.exe 3 2->12         started        14 ESET Service.exe 2 2->14         started        16 ESET Service.exe 2 2->16         started        signatures3 process4 file5 37 C:\Users\user\AppData\...SET Service.exe, PE32 9->37 dropped 18 ESET Service.exe 2 11 9->18         started        process6 dnsIp7 41 3.67.112.102, 11024, 49743, 49744 AMAZON-02US United States 18->41 43 5.tcp.eu.ngrok.io 3.67.161.133, 11024, 49712, 49717 AMAZON-02US United States 18->43 45 3.67.62.142, 11024, 49818, 49819 AMAZON-02US United States 18->45 31 C:\svchost.exe, PE32 18->31 dropped 33 C:\...\886e4e6cf55be20a7d674097273f111d.exe, PE32 18->33 dropped 35 C:\autorun.inf, Microsoft 18->35 dropped 55 Uses taskkill to terminate AV processes 18->55 57 Protects its processes via BreakOnTermination flag 18->57 59 Creates autorun.inf (USB autostart) 18->59 61 Creates autostart registry keys with suspicious names 18->61 23 taskkill.exe 1 18->23         started        25 netsh.exe 2 18->25         started        file8 signatures9 process10 process11 27 conhost.exe 23->27         started        29 conhost.exe 25->29         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6f3d6bf9ee09bd4cd6af117cca33965c33b99a7380d8de14450b7d4a3cd499b8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f3d6bf9ee09bd4cd6af117cca33965c33b99a7380d8de14450b7d4a3cd499b8/
Threat name:
ByteCode-MSIL.Backdoor.Ratenjay
Create hunting rule
Status:
Malicious
First seen:
2024-01-27 05:21:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n46wx6pobg6uzvvpcf6mum4wlqz3tgttqdmn4fcfbn6uupgutg4a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
0a613705ceebf383ab71a0737b60833fa0e89c22d775c1d6cca04a926e88ca29
njrat
0d2e0fcd0d0b7034acb740ce51baa0bec329c0c8547dd7caf2aabb5c91c7dc99
njrat
502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711
njrat
6a65ffab90209b9a5fad0523b2878228f7062afc4679742d1efa0e77f419a8d8
njrat
6d3d9cec199ecf570a4fe0c21c3a0d09b9dabc36f90b609e854740a4fb6510ce
njrat
de544fa6de7f86b58ff6e82a682ff8bbcc8dcdaeee61421e720f09a3471f1a72
njrat
f41b85f9d5781730263555803c9387d85afca6ef21c3640f11514bf22e82f082
njrat
+ 1'462 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/240130-t1cmwahff4/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops autorun.inf file
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
5.tcp.eu.ngrok.io:11024
Unpacked files
SH256 hash:
6f3d6bf9ee09bd4cd6af117cca33965c33b99a7380d8de14450b7d4a3cd499b8
MD5 hash:
871722db5b9b702357b675e48e491193
SHA1 hash:
ec5cf5b57414fa8253a842bb06fc6822b85e399d
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
Link:
https://www.unpac.me/results/242ff8a7-fdbf-430e-aa6d-54f68cdf42b0/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6f3d6bf9ee09/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/6f3d6bf9ee09bd4cd6af117cca33965c33b99a7380d8de14450b7d4a3cd499b8

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:SUSP_Ngrok_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
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/473617/

Comments