MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b638b80062079554260bfb0c565cfc16d3e89abc7729062f7b0cd20db38718e. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b638b80062079554260bfb0c565cfc16d3e89abc7729062f7b0cd20db38718e
SHA3-384 hash: 846a1011d7bee62fbcb446aa29d21e5316b81dc4910e854f72bf35eee2fc5ba9a4f00e381ceae707971210e401c9d162
SHA1 hash: 6a38872b83dbfc21374f7d8e8f103eb002d26921
MD5 hash: f9ec68a65b570b590cac5ae1b1882d6e
humanhash: echo-march-early-queen
File name:Josho.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:49'752 bytes
First seen:2026-04-08 23:27:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:4LInPCqAAXJLE7cxtdF8NCqBNM7vk9YXPSP0Hoa:FCqxpE7cxtdF0Cqvsvk9sSMHz
TLSH T1AB233AC4B583F8F9EC15457C307B97729EB7F43A603AEDABC39994239815601AA072DC
telfhash t1f0118cbb1eb90cf8b3d1a888c72e56d54969ca3b157137a44362d42832c2ec2507dc38
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 :
38
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/6d75e8cc-9014-476e-9fa9-5ea890e51ef9/
Detection(s):
Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9835278-0
Create hunting rule

Unix.Trojan.Mirai-9835289-0
Create hunting rule

Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Kills processes
Opens a port
Sends data to a server
Substitutes an application name
Kills critical processes
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/69d6e49f799d5bf325f356c9/reports/ec79190c-f531-4c0b-84a5-7291f4f83b85/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
45.145.225.160/AB4g5
Number of open files:
4
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/5b638b80062079554260bfb0c565cfc16d3e89abc7729062f7b0cd20db38718e
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 45.145.225.160:420
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-08T20:27:00Z UTC
Last seen:
2026-04-10T06:29:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/5b638b80062079554260bfb0c565cfc16d3e89abc7729062f7b0cd20db38718e/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3fd89ab3-6c0e-4eba-ac56-3c371c7ebc6c
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5b638b80062079554260bfb0c565cfc16d3e89abc7729062f7b0cd20db38718e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5b638b80062079554260bfb0c565cfc16d3e89abc7729062f7b0cd20db38718e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-04-08 23:28:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lnryxaageb4vkqtax6ymkzopyfwt5cnly5zjayxxwdgsbwzyogha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:josho defense_evasion discovery linux
Link:
https://tria.ge/reports/260408-3f8z1sgt2s/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (90917) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/5b638b80062079554260bfb0c565cfc16d3e89abc7729062f7b0cd20db38718e

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
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/

File information

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

Web download

Mirai

elf 5b638b80062079554260bfb0c565cfc16d3e89abc7729062f7b0cd20db38718e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3814574/
  
Delivery method
Distributed via web download

Comments