MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f24a0243264894973daaddd665b311850024f99a47f935ca6ecba0d95f5f283. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f24a0243264894973daaddd665b311850024f99a47f935ca6ecba0d95f5f283
SHA3-384 hash: 3675e663e60f98d31010f181c4b5b54948a89b81cac3ce5a175febf8885f51a36a436a4e35c6ff1918906dd122948978
SHA1 hash: 7cee32f7a24224f3ee107b632447589e41c22dc2
MD5 hash: 7699a1f8463d4e48b20d720f8f794dbc
humanhash: arkansas-sodium-mockingbird-vermont
File name:bTDk.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2024-02-19 17:07:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:z0bUe5XB4e0XppOjfrw0Q0mS03AWTxtTUFQqzFTObb9:gT9BuGj855dlb9
Threatray 734 similar samples on MalwareBazaar
TLSH T16BE208467BE94215C6BC1AFC8CB313214772E3838532EB6F5CDC88CA4B676D00655EE9
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
441
Origin country :
US US
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/476835/
Detection(s):
Win.Packed.njRAT-7445143-0
Create hunting rule

Win.Dropper.Detected-9941784-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd keylogger lolbin njrat
Link:
https://www.filescan.io/uploads/65d38af326f1ddc579a0d4a4/reports/015a2326-dab8-4b1f-9163-9002b187c4d0/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3f24a0243264894973daaddd665b311850024f99a47f935ca6ecba0d95f5f283
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:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f05bf607-6dd2-4598-a39c-ce7637818795
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1394715
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1394715 Sample: bTDk.exe Startdate: 19/02/2024 Architecture: WINDOWS Score: 100 16 patria.duckdns.org 2->16 20 Snort IDS alert for network traffic 2->20 22 Found malware configuration 2->22 24 Antivirus detection for URL or domain 2->24 28 7 other signatures 2->28 8 bTDk.exe 2 5 2->8         started        signatures3 26 Uses dynamic DNS services 16->26 process4 dnsIp5 18 patria.duckdns.org 46.246.80.3, 1994, 49729 PORTLANEwwwportlanecomSE Sweden 8->18 30 Self deletion via cmd or bat file 8->30 12 cmd.exe 1 8->12         started        signatures6 process7 process8 14 conhost.exe 12->14         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3f24a0243264894973daaddd665b311850024f99a47f935ca6ecba0d95f5f283
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f24a0243264894973daaddd665b311850024f99a47f935ca6ecba0d95f5f283/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2024-02-19 17:08:04 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h4skajbsmseus462vxowmwzrdbiaet4zur7zgxfg5s5a3fpv6kbq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
041913272fd2e9e4bd0ae2f304c1ba7e87939b88f8c20dc00da7512f6f374f85
njrat
078a724f9a334f242ec580a1d6ec0f19f567ec778190e9eae0e312e7ec7156f2
njrat
3f24a0243264894973daaddd665b311850024f99a47f935ca6ecba0d95f5f283
njrat
654553fbf3eb2b4d62f626efcd81da99001f87857c7efd8f49f8281459018c58
njrat
8e9629451b8a090834f96bd6688184ad7a18aacd33784193f273c7796e3c01b3
njrat
91b1b82d19155a4028599299e72779af33147ef437bbe72055550fe8315ce8db
njrat
9ac552edfd3efac284b13c278deb3c6341bbb391b02ed6b1db5ef427de656e36
njrat
+ 724 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:nyan cat
Link:
https://tria.ge/reports/240219-vnh5kagh6y/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Malware Config
C2 Extraction:
patria.duckdns.org:1994
Unpacked files
SH256 hash:
3f24a0243264894973daaddd665b311850024f99a47f935ca6ecba0d95f5f283
MD5 hash:
7699a1f8463d4e48b20d720f8f794dbc
SHA1 hash:
7cee32f7a24224f3ee107b632447589e41c22dc2
Detections:
win_njrat
Create hunting rule
Link:
https://www.unpac.me/results/967f86ef-175b-4b68-98bb-c6bbdfc90226/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3f24a0243264/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/3f24a0243264894973daaddd665b311850024f99a47f935ca6ecba0d95f5f283

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: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:win_njrat_bytecodes_V2_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:yarahub_win_njrat_bytecodes_V2_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Web download

njrat

Executable exe 3f24a0243264894973daaddd665b311850024f99a47f935ca6ecba0d95f5f283

(this sample)

  
Link
https://www.virustotal.com/gui/file/3f24a0243264894973daaddd665b311850024f99a47f935ca6ecba0d95f5f283/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/476835/

Comments