MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5620e9a8a0441ae8a31c26e6f06d8501cd24d0a7a972c9686f6bbc93442eddf7. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 5620e9a8a0441ae8a31c26e6f06d8501cd24d0a7a972c9686f6bbc93442eddf7
SHA3-384 hash: e27890c7cb18cd13f04a9dba5b0b046c645cbc59dd54eb28fba567cd8a45bd692b5cb7b7945377560adb5556031e550c
SHA1 hash: 348d2e1e115df94036b4ffc6797297560c25941f
MD5 hash: b02af6ede3bdc7521815f1bee64c9cee
humanhash: carolina-iowa-two-johnny
File name:nklx86
Download: download sample
Signature Mirai
File size:53'904 bytes
First seen:2025-12-29 23:51:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:CQ2nAN32mlhFAIsWtGncDsy2pDZaMduxvjLcJZRB:CQ0432m7FAStVDsDpsJx7oJ
TLSH T1C2334BC49943E8F8DC0905362973F333A676F571112CFAE7E798A92B7C52A41B54A38C
telfhash t1f311917b2e7219e8f3d86c08836e5b12573eea77102032e555f3d90912e29c590bac35
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 :
45
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T20:59:00Z UTC
Last seen:
2025-12-29T21:16:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
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: 1841816 Sample: nklx86.elf Startdate: 30/12/2025 Architecture: LINUX Score: 64 14 149.199.169.71 XILINXUS United States 2->14 16 189.139.174.110 UninetSAdeCVMX Mexico 2->16 18 100 other IPs or domains 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 8 nklx86.elf 2->8         started        signatures3 process4 process5 10 nklx86.elf 8->10         started        process6 12 nklx86.elf 10->12         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-29 23:51:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (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 (112403) 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 5620e9a8a0441ae8a31c26e6f06d8501cd24d0a7a972c9686f6bbc93442eddf7

(this sample)

  
Delivery method
Distributed via web download

Comments