MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dce44d44b780e68d7e34858e8a2c5437b8d0ef97522a634c67c307740646d5b. 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: 10


Intelligence 10 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8dce44d44b780e68d7e34858e8a2c5437b8d0ef97522a634c67c307740646d5b
SHA3-384 hash: 47882a733f8adff0e007d06147bc6b9efe57f3bff3b259ffd01fa388f74886a04bc9812265d1fcfb42a57540507c9976
SHA1 hash: 6411b4508aa78a6d6b8d11a353bcfabe56abf1bf
MD5 hash: 96db265cb2ddf9150ce388099ef5b8bb
humanhash: massachusetts-uranus-shade-violet
File name:Leyn.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:182'460 bytes
First seen:2026-01-18 18:51:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:cwaFzivGCaMqjwzCiP5NzuKbIgieM5594GKbB2xiNvg6HZ3qWudyI2GP3vou:ctFzieCaMqjwzN5Nzu0mFDS9N2x+vDIj
TLSH T18C044A41F54BC5F5D8838D3090A6F73F8B31E92A8032D5AEEF99AF32DE57541910A29C
telfhash t189514ca33faa2bfe33f4ee12d30b3b11ed0ac1675451247805e227d421b6912b765c35
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 :
26
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/96042b8d-3c59-4d20-8bb7-abf8543cf6f3/
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

Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6a05a038-7f5f-4882-bf15-6fcf35ce5543
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1852926
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852926 Sample: Leyn.x86.elf Startdate: 18/01/2026 Architecture: LINUX Score: 100 59 193.32.162.76 2->59 61 88.98.151.173 ZEN-ASZenInternet-UKGB United Kingdom 2->61 63 99 other IPs or domains 2->63 75 Suricata IDS alerts for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus / Scanner detection for submitted sample 2->79 81 3 other signatures 2->81 10 Leyn.x86.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        signatures3 process4 process5 16 Leyn.x86.elf 10->16         started        20 Leyn.x86.elf sh 10->20         started        file6 55 /etc/init.d/update, POSIX 16->55 dropped 65 Drops files in suspicious directories 16->65 22 Leyn.x86.elf sh 16->22         started        24 Leyn.x86.elf sh 16->24         started        26 Leyn.x86.elf sh 16->26         started        30 7 other processes 16->30 28 sh ps 20->28         started        signatures7 process8 process9 32 sh crontab 22->32         started        36 sh 22->36         started        38 sh chmod 24->38         started        40 sh ln 26->40         started        42 sh update-rc.d 30->42         started        44 sh systemctl 30->44         started        46 sh systemctl 30->46         started        48 2 other processes 30->48 file10 57 /var/spool/cron/crontabs/tmp.CsDbcP, data 32->57 dropped 67 Sample tries to persist itself using cron 32->67 69 Executes the "crontab" command typically for achieving persistence 32->69 50 sh crontab 36->50         started        71 Sample tries to set files in /etc globally writable 38->71 53 update-rc.d systemctl 42->53         started        signatures11 process12 signatures13 73 Executes the "crontab" command typically for achieving persistence 50->73
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8dce44d44b780e68d7e34858e8a2c5437b8d0ef97522a634c67c307740646d5b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8dce44d44b780e68d7e34858e8a2c5437b8d0ef97522a634c67c307740646d5b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 18:19:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rxhejvclpahgrv7djbmoriwfin5y2dxzourkmnggpqyhoqdenvnq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260118-xhnh7sdv8f/
Behaviour
Reads runtime system information
Checks CPU configuration
Reads CPU attributes
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
File and Directory Permissions Modification
Contacts a large (80833) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_3a85a418 Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_3278f1b8 Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/0f0be73e-4f68-4049-b6c1-f9a6aaf33355
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:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3278f1b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 8dce44d44b780e68d7e34858e8a2c5437b8d0ef97522a634c67c307740646d5b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3759858/
  
Delivery method
Distributed via web download

Comments