MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b97492dd9202f24aa31d172addc7891cf6331c0be523ca00d70f30627a2d7532. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b97492dd9202f24aa31d172addc7891cf6331c0be523ca00d70f30627a2d7532
SHA3-384 hash: 978e92fbcd4f6a1bc09624578e8f8eb9638292e2e00126c88794d041a5bc72076c0c4d6a2ba24b8b0999c12fb2ad66ad
SHA1 hash: 50a28d0d30dfc5a046b0e46e77b74a41384fb066
MD5 hash: 0671648da5db4aec0427a367236caefc
humanhash: oxygen-aspen-thirteen-nevada
File name:0671648da5db4aec0427a367236caefc.exe
Download: download sample
Signature njrat
Create hunting rule
File size:64'000 bytes
First seen:2023-07-21 15:45:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 768:AcRNRMGmNJJd64hrM+rMRa8NuwftNSomTLVSj7nAi6oIZovmp5TR9mf:AcRN2BJJE4S+gRJN/NXpwgmpP9c
Threatray 1'226 similar samples on MalwareBazaar
TLSH T1DB539E8DBFE14168C5FD167705B3D122077AE10B1923D90E8EF6A4993B236858F94AF2
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)
File icon (PE):PE icon
dhash icon cc2369696d653bd4 (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.138.180.119:18816

Intelligence

File Origin
# of uploads :
1
# of downloads :
395
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
0671648da5db4aec0427a367236caefc.exe
Verdict:
Malicious activity
Analysis date:
2023-07-21 15:45:49 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/529b2271-82de-42ff-8da4-e7d4941748f1

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/427432/
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

Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b97492dd9202f24aa31d172addc7891cf6331c0be523ca00d70f30627a2d7532
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/ee73369a-562f-481a-82c4-41a6e2249416
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1277499
Signature
.NET source code contains potential unpacker
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 domain / URL
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
Snort IDS alert for network traffic
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: 1277499 Sample: CNxJsT7wuV.exe Startdate: 21/07/2023 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 13 other signatures 2->52 8 CNxJsT7wuV.exe 1 6 2->8         started        11 server.exe 3 2->11         started        13 server.exe 2 2->13         started        15 server.exe 2 2->15         started        process3 file4 34 C:\Users\user\AppData\Local\Temp\server.exe, PE32 8->34 dropped 36 C:\Users\user\...\server.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\...\CNxJsT7wuV.exe.log, ASCII 8->38 dropped 17 server.exe 2 11 8->17         started        process5 dnsIp6 40 3.129.187.220, 18816, 49700, 49712 AMAZON-02US United States 17->40 42 3.131.147.49, 18816, 49701, 49702 AMAZON-02US United States 17->42 44 4 other IPs or domains 17->44 26 C:\svchost.exe, PE32 17->26 dropped 28 C:\...\2c7e14d5ff80d521a7038e2a59fdf5e6.exe, PE32 17->28 dropped 30 C:\svchost.exe:Zone.Identifier, ASCII 17->30 dropped 32 2 other malicious files 17->32 dropped 54 Antivirus detection for dropped file 17->54 56 Multi AV Scanner detection for dropped file 17->56 58 Protects its processes via BreakOnTermination flag 17->58 60 7 other signatures 17->60 22 netsh.exe 3 17->22         started        file7 signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b97492dd9202f24aa31d172addc7891cf6331c0be523ca00d70f30627a2d7532/
Threat name:
ByteCode-MSIL.Trojan.NjRAT
Create hunting rule
Status:
Malicious
First seen:
2023-07-19 00:43:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xf2jfxmsalzeviy5c4vn3r4jdt3dghal4ur4uagxb4yge6rnouza._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a
njrat
0e29156381dd95e3a986aa7aec1ce6738a9e4cf588427a481968a6ab681d2714
njrat
40078261f88c8a91fd32bcbb89517c14efd1b13c217f44c18184be2813ea74a7
njrat
6e1746734357f8b034d51554e64dfd50c8a2029b298266a226518823c6f47116
njrat
8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650
njrat
9f48ea81b204ce837648509306ab5153f952ad07ebd7d8e884de844a8f7910fe
njrat
a0520a0faf43ae8e393534f6b3969ad4918813be0908135a28e0e186943010e7
njrat
b2f0bc2708ed09126d4dcd9196b3c560622df056cd60475af82d8e998d5d45e6
njrat
d29c210fb38115e7dbab2db78822979b2227a2cdf9809be230bb1af40125b2e3
njrat
+ 1'216 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:читер evasion persistence trojan
Link:
https://tria.ge/reports/230721-s7lzfsfg2x/
Behaviour
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:
4.tcp.ngrok.io:18816
Unpacked files
SH256 hash:
b97492dd9202f24aa31d172addc7891cf6331c0be523ca00d70f30627a2d7532
MD5 hash:
0671648da5db4aec0427a367236caefc
SHA1 hash:
50a28d0d30dfc5a046b0e46e77b74a41384fb066
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/9fb0bea9-8d46-49e6-b050-f31a425e7125/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b97492dd9202/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/b97492dd9202f24aa31d172addc7891cf6331c0be523ca00d70f30627a2d7532

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
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
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
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/427432/

Comments