MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 521d9724680423f45631397d4185cd6be86abef5489eaab8be647cbf54186865. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 521d9724680423f45631397d4185cd6be86abef5489eaab8be647cbf54186865
SHA3-384 hash: 63078d027810c1c61afe11b74815ca0a5049458e763c5c87ade78096443392dec9baef7ec6de08f4278d4bae46f3820b
SHA1 hash: b9144a7024200f1ddc08eba1c67a905f8a644d7e
MD5 hash: dce2dc553e3d11d061137f28a696f10d
humanhash: five-failed-august-hamper
File name:psh4
Download: download sample
Signature Mirai
Create hunting rule
File size:138'016 bytes
First seen:2026-02-26 15:18:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:17XSgrZJxeRXUA5tKwhROXqxWkH7UwE0A:17XSQA5tVhBckYV0A
TLSH T1D4D36CB3C83AAF58C654D4B4F0318F792B93A55482472FBE19A6C2B55083D9CF6493F8
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 :
107
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Link:
https://research.acce.ciphertechsolutions.com/results/656177ca-43c7-4415-9283-b1e901b1c6df/
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bbf035d8-5274-4a20-ab0c-8c3b1eca4b6e
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1875391
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1875391 Sample: psh4.elf Startdate: 26/02/2026 Architecture: LINUX Score: 68 23 169.254.169.254, 80 USDOSUS Reserved 2->23 25 45.148.120.23, 18129, 35442 SKB-ENTERPRISENL Netherlands 2->25 27 4 other IPs or domains 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 8 psh4.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 35 Sample deletes itself 8->35 17 psh4.elf 8->17         started        process6 process7 19 psh4.elf 17->19         started        21 psh4.elf 17->21         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/521d9724680423f45631397d4185cd6be86abef5489eaab8be647cbf54186865
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/521d9724680423f45631397d4185cd6be86abef5489eaab8be647cbf54186865/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-26 15:18:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kiozojdiaqr7ivrrhf6udbonnpugvpxvjcpkvof6mr6l6vaynbsq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/260226-spr3ragv8h/
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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:unixredflags3
Create hunting rule
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 521d9724680423f45631397d4185cd6be86abef5489eaab8be647cbf54186865

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3759567/
  
Delivery method
Distributed via web download

Comments