MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b073bd6963c36cd4ea37acf1ccd75d418ac3e293a51e8accebc96a97215ddf81. 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: 21


Intelligence 21 IOCs 1 YARA 7 File information Comments

SHA256 hash: b073bd6963c36cd4ea37acf1ccd75d418ac3e293a51e8accebc96a97215ddf81
SHA3-384 hash: a65d04ab4dc9d5d680c91d52ceb629df132f14882a7f840ed4424320e85ec1a399be577bd3077f1115f997a809f7e612
SHA1 hash: 673c98653a8d38a071b56fb2ceea66ef5e944cb5
MD5 hash: 9092c3a68e9f5e52d4fca60f15fa0027
humanhash: avocado-may-sierra-yellow
File name:Server.exe
Download: download sample
Signature njrat
File size:25'999 bytes
First seen:2025-09-27 16:40:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'840 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 768:svpsOwvVFyRGNyKk3J/5M3PCrs1WOKDZf:QYvVFMuybRM/ksjE
Threatray 655 similar samples on MalwareBazaar
TLSH T1FFC2D006EB5A87E3D95F0BF687970111A170D052359B0C2E66F80BE5EC82BBD5867F42
TrID 52.9% (.EXE) Win32 Executable (generic) (4504/4/1)
23.5% (.EXE) Generic Win/DOS Executable (2002/3)
23.5% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
193.161.193.99:30380

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
193.161.193.99:30380 https://threatfox.abuse.ch/ioc/1602830/

Intelligence


File Origin
# of uploads :
1
# of downloads :
214
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Server.exe
Verdict:
Malicious activity
Analysis date:
2025-09-27 16:15:35 UTC
Tags:
rat njrat bladabindi auto-reg auto-startup

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
Creating a window
DNS request
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi mpress net obfuscated overlay packed packer_detected
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-23T18:11:00Z UTC
Last seen:
2025-09-23T18:11:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Spy.MSIL.Agent.gen HEUR:Trojan.Win32.Generic HEUR:Trojan.MSIL.Crypt.gen Backdoor.MSIL.Njrat.sb Backdoor.MSIL.Bladabindi.sb Backdoor.MSIL.Agent.sb Trojan.Win32.Agent.sb Trojan.MSIL.DOTHETUK.sb
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Disables zone checking for all users
Drops PE files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1785234 Sample: Server.exe Startdate: 27/09/2025 Architecture: WINDOWS Score: 100 36 adssdasdaasd875654-30380.portmap.host 2->36 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 10 other signatures 2->46 9 Server.exe 1 3 2->9         started        12 Server.exe 2->12         started        15 Java update.exe 1 2->15         started        17 7 other processes 2->17 signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\Dllhost.exe, MS-DOS 9->32 dropped 34 C:\Users\user\AppData\...\Server.exe.log, CSV 9->34 dropped 19 Dllhost.exe 3 4 9->19         started        56 Antivirus detection for dropped file 12->56 58 Multi AV Scanner detection for dropped file 12->58 signatures6 process7 dnsIp8 38 adssdasdaasd875654-30380.portmap.host 193.161.193.99, 30380, 49721, 49722 BITREE-ASRU Russian Federation 19->38 28 C:\Users\user\AppData\...\Java update.exe, MS-DOS 19->28 dropped 30 C:\Users\user\AppData\Local\Temp\Server.exe, MS-DOS 19->30 dropped 48 Antivirus detection for dropped file 19->48 50 System process connects to network (likely due to code injection or exploit) 19->50 52 Multi AV Scanner detection for dropped file 19->52 54 3 other signatures 19->54 24 schtasks.exe 1 19->24         started        file9 signatures10 process11 process12 26 conhost.exe 24->26         started       
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.29 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-09-23 22:38:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hacked execution persistence trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
adssdasdaasd875654-30380.portmap.host:30380
Verdict:
Malicious
Tags:
njrat Bladabindi
YARA:
n/a
Unpacked files
SH256 hash:
b073bd6963c36cd4ea37acf1ccd75d418ac3e293a51e8accebc96a97215ddf81
MD5 hash:
9092c3a68e9f5e52d4fca60f15fa0027
SHA1 hash:
673c98653a8d38a071b56fb2ceea66ef5e944cb5
SH256 hash:
11257829395ab9bc81091cacc795abb4a5c40dd78d2636d34691d96babf8d36b
MD5 hash:
157d6bc8dc99d0f068c0c659c55424e5
SHA1 hash:
6044fd21def804352feb9c3f1a8d675e10c39792
Detections:
CN_disclosed_20180208_c win_njrat_2 Njrat MALWARE_Win_NjRAT
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:mpress_2_xx_net
Author:Kevin Falcoz
Description:MPRESS v2.XX .NET
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware

File information


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

Comments