MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a738aa809de5422ea520bc97c1c3082028d04b71fdbb5c7af61b93ed2a701a18. 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: 16


Intelligence 16 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a738aa809de5422ea520bc97c1c3082028d04b71fdbb5c7af61b93ed2a701a18
SHA3-384 hash: facfddc8c3fb90de0386fd9b983810c87dda7948140ac882b7af608e128ecd10d3d1966e59698980adbc93e670b5a939
SHA1 hash: 5960b7a711667a45d514d6bc64b5712af077ce0f
MD5 hash: 197728e9fa403b56d6a828f6c61a7fa2
humanhash: october-mars-ohio-snake
File name:197728e9fa403b56d6a828f6c61a7fa2.exe
Download: download sample
Signature njrat
Create hunting rule
File size:54'784 bytes
First seen:2023-10-10 08:00:45 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 768:ebgJlLJfcPCojPysItrM+rMRa8NuAXtVWsw1PDfhz8VUT:ebgJlLJUJjP2W+gRJN7Jw1PbV
Threatray 1'348 similar samples on MalwareBazaar
TLSH T19A334C8DA7BD851CC0BC22774DA2D4150FB5D90B6E12E65DDEF238BA2A737C4CA405A3
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 66b1b0e666642cb2 (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.69.157.220:10922

Intelligence

File Origin
# of uploads :
1
# of downloads :
379
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
DeadCodeLauncher.exe
Verdict:
Malicious activity
Analysis date:
2023-10-05 11:38:03 UTC
Tags:
rat njrat bladabindi remote
Link:
https://app.any.run/tasks/98892313-64a7-4efc-8456-79d4643b97eb

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/452810/
Detection(s):
Sanesecurity.Malware.29039.UNOFFICIAL
Create hunting rule

Win.Packed.Bladabindi-7994427-0
Create hunting rule

Win.Trojan.Generic-6417450-0
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Win.Trojan.Generic-6454614-0
Create hunting rule

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

Win.Trojan.B-468
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Creating a window
Sending a custom TCP request
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
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
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a738aa809de5422ea520bc97c1c3082028d04b71fdbb5c7af61b93ed2a701a18
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/ae91c6ff-dd2d-45e3-aec1-d8deb61c8efb
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1322634
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 autostart registry keys with suspicious names
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
Protects its processes via BreakOnTermination flag
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 dnsIp2 2 Behavior Graph ID: 1322634 Sample: wiUnP1h5Ex.exe Startdate: 10/10/2023 Architecture: WINDOWS Score: 100 31 6.tcp.eu.ngrok.io 2->31 39 Snort IDS alert for network traffic 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 13 other signatures 2->45 9 wiUnP1h5Ex.exe 1 6 2->9         started        12 Browser.exe 3 2->12         started        14 Browser.exe 2 2->14         started        16 Browser.exe 2 2->16         started        signatures3 process4 file5 29 C:\Users\user\AppData\Roaming\Browser.exe, PE32 9->29 dropped 18 Browser.exe 2 6 9->18         started        process6 dnsIp7 33 3.68.171.119, 10922, 49744, 49746 AMAZON-02US United States 18->33 35 6.tcp.eu.ngrok.io 3.69.115.178, 10922, 49740 AMAZON-02US United States 18->35 37 52.28.247.255, 10922, 49745 AMAZON-02US United States 18->37 27 C:\...\546af47cbd4280c217681fb9fee74971.exe, PE32 18->27 dropped 47 Antivirus detection for dropped file 18->47 49 Multi AV Scanner detection for dropped file 18->49 51 Protects its processes via BreakOnTermination flag 18->51 53 5 other signatures 18->53 23 netsh.exe 2 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a738aa809de5422ea520bc97c1c3082028d04b71fdbb5c7af61b93ed2a701a18/
Threat name:
ByteCode-MSIL.Trojan.NjRAT
Create hunting rule
Status:
Malicious
First seen:
2023-10-07 09:54:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u44kvae54vbc5jjaxsl4dqyieaunas3r7w5vy6xwdoj62ktqdima._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a
njrat
08b9c1375428e88ac0c51990fc9e9e01c5ad4b02b0671f325bb2edfae8c625c0
njrat
3afb59529ffa4513006bc0439666f31bfff54d2d3de260f0f5280e1ac8cc2190
njrat
4af8f255dd229833ca59cf894ce9ad1e3b1685aa6d245356c04e71c2dd69ec60
njrat
6a65ffab90209b9a5fad0523b2878228f7062afc4679742d1efa0e77f419a8d8
njrat
8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650
njrat
b2f0bc2708ed09126d4dcd9196b3c560622df056cd60475af82d8e998d5d45e6
njrat
d29c210fb38115e7dbab2db78822979b2227a2cdf9809be230bb1af40125b2e3
njrat
+ 1'338 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/231010-jwjkhsca31/
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
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:
6.tcp.eu.ngrok.io:10922
Unpacked files
SH256 hash:
a738aa809de5422ea520bc97c1c3082028d04b71fdbb5c7af61b93ed2a701a18
MD5 hash:
197728e9fa403b56d6a828f6c61a7fa2
SHA1 hash:
5960b7a711667a45d514d6bc64b5712af077ce0f
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/febc630b-c9e2-48d0-b125-8239be929ad8/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a738aa809de5/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/a738aa809de5422ea520bc97c1c3082028d04b71fdbb5c7af61b93ed2a701a18

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
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/452810/

Comments