MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 519e4476b0ecdcaa01caa70f6e42db78da8a581e65b901b3609f09286ff7a251. 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



Mirai


Vendor detections: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 519e4476b0ecdcaa01caa70f6e42db78da8a581e65b901b3609f09286ff7a251
SHA3-384 hash: 5308783abd321e27ce45343d631eed3e81048c8fefca95acdde8a35a7c959af63584fcb5e42443a7f100dd4dbde547ba
SHA1 hash: ab700c81a83e98a2304806d3751b92e531d1d270
MD5 hash: 30c2fe0a255d4403bddd40fdd4966ecf
humanhash: sweet-vermont-leopard-quebec
File name:nklx86
Download: download sample
Signature Mirai
File size:54'068 bytes
First seen:2026-01-05 20:20:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:r7ImATRaDJK0+TRI3igLOHAGeKcIGM7MygQlRbbCiR:r7TmRaDonC3lqHAGeK3G0MXwlC
TLSH T1C2332AC4AA43D9F4EC0906742477F7339A32E1391029F6D7F795E972B856F01BA0A29C
telfhash t16a11ebaf2e7719f8b7d4680c431e56121b2ad137152132d106b3e45422e3ec160fad38
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Creating a file
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-05T18:53:00Z UTC
Last seen:
2026-01-05T19:09:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1845121 Sample: nklx86.elf Startdate: 05/01/2026 Architecture: LINUX Score: 68 20 103.78.183.0 MULTINET-INMultinetUdaipurPrivateLimitedIN India 2->20 22 103.78.183.2 MULTINET-INMultinetUdaipurPrivateLimitedIN India 2->22 24 100 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 8 nklx86.elf 2->8         started        10 dash rm 2->10         started        12 dash grep 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 nklx86.elf 8->16         started        process6 18 nklx86.elf 16->18         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-05 20:20:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Changes its process name
Renames itself
Contacts a large (260438) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7755770-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

Mirai

elf 519e4476b0ecdcaa01caa70f6e42db78da8a581e65b901b3609f09286ff7a251

(this sample)

  
Delivery method
Distributed via web download

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