MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4565de8728f2196a30e7337c45d94b0b7f8dfca1bd610f5bd0d597e483d1b37. 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

SHA256 hash: a4565de8728f2196a30e7337c45d94b0b7f8dfca1bd610f5bd0d597e483d1b37
SHA3-384 hash: 16e386d7c0f8aa857effe94eb962539e3cd2acfbe1da59b3968d8a14bed05d2391a7d85bcd5a3cdc5b6d75c4564ec764
SHA1 hash: 88754fa2fa044a1bcac7ad1ede8c8cfa533bbdab
MD5 hash: d4b127a7d4e2609d86747eadf6fd00ba
humanhash: august-glucose-king-solar
File name:bNqu.exe
Download: download sample
Signature njrat
File size:79'872 bytes
First seen:2023-06-07 15:07:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'344 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 1536:Gh9z+dBLX+DpPS5wpOk3JCK6pFo4j/6fOpd/9nEh9TGaJMR:UWqQwpOk5CK6MO/9ESaJM
Threatray 127 similar samples on MalwareBazaar
TLSH T111733A4877F54A12E1BF0DB5897292221B36FC035926F76D09D174AA5FB36C08A09FB3
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 pmelson
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
353
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
bNqu.exe
Verdict:
Malicious activity
Analysis date:
2023-06-07 15:09:19 UTC
Tags:
rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the Windows directory
Modifying an executable file
Running batch commands
Creating a file in the Program Files subdirectories
Deleting a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the shell\open\command registry branches
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling a "Do not show hidden files" option
Infecting executable files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd.exe evasive eventvwr.exe greyware keylogger lolbin njrat packed rat
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 883455 Sample: bNqu.exe Startdate: 07/06/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 10 other signatures 2->51 7 bNqu.exe 2 4 2->7         started        11 bNqu.exe 3 2->11         started        process3 dnsIp4 43 administradorv.duckdns.org 172.111.136.105, 2019, 49702 VOXILITYGB United States 7->43 53 Protects its processes via BreakOnTermination flag 7->53 55 Changes the view of files in windows explorer (hidden files and folders) 7->55 57 Self deletion via cmd or bat file 7->57 59 Uses schtasks.exe or at.exe to add and modify task schedules 7->59 14 cmd.exe 1 7->14         started        17 schtasks.exe 1 7->17         started        19 schtasks.exe 1 7->19         started        21 schtasks.exe 1 7->21         started        41 C:\Users\user\AppData\Local\...\bNqu.exe.log, ASCII 11->41 dropped 23 schtasks.exe 1 11->23         started        25 schtasks.exe 1 11->25         started        file5 signatures6 process7 signatures8 61 Uses ping.exe to sleep 14->61 63 Uses ping.exe to check the status of other devices and networks 14->63 27 conhost.exe 14->27         started        29 PING.EXE 1 14->29         started        31 conhost.exe 17->31         started        33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        process9
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2023-06-07 15:08:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:asyncrat family:neshta family:njrat family:remcos botnet:02junpav botnet:18abril botnet:primas_2023 botnet:rem04robot persistence rat spyware stealer trojan upx
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Modifies system executable filetype association
Reads user/profile data of web browsers
UPX packed file
Async RAT payload
AsyncRat
Detect Neshta payload
Neshta
Remcos
njRAT/Bladabindi
Malware Config
C2 Extraction:
administradorv.duckdns.org:2019
soatfebrero.duckdns.org:8091
verde2021.duckdns.org:7782
enero2022async.duckdns.org:7784
Unpacked files
SH256 hash:
a4565de8728f2196a30e7337c45d94b0b7f8dfca1bd610f5bd0d597e483d1b37
MD5 hash:
d4b127a7d4e2609d86747eadf6fd00ba
SHA1 hash:
88754fa2fa044a1bcac7ad1ede8c8cfa533bbdab
Detections:
NjRat win_njrat_w1
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CN_disclosed_20180208_c
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:win_njrat_w1
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.

Web download

njrat

Executable exe a4565de8728f2196a30e7337c45d94b0b7f8dfca1bd610f5bd0d597e483d1b37

(this sample)

Comments