MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31d5f5491ec3d4f87532fc7e0e7deb2acd65905344c3d308b3842330a187223f. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31d5f5491ec3d4f87532fc7e0e7deb2acd65905344c3d308b3842330a187223f
SHA3-384 hash: e4ac5f45ce90d72e2713f34770d9e671227209d56a8fdc525099dacee1aa3abb84e806f3a82b06e9d4be238a9b309da7
SHA1 hash: fb16f07209479b12e0736a11e1ffab5ef2ffedaf
MD5 hash: f70c90f62ab46cbb1be049bab893f894
humanhash: oven-lemon-earth-carbon
File name:Space.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:84'960 bytes
First seen:2026-02-05 21:33:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:fQijxmw2V2xAsV8eZoPSdAYA9lJPc89s8br0hpsBq1HHbqFiQpsrH7IFn:fQi4gZsd9lJP4npeqp+psrbIFn
TLSH T12783199BF800DDBDF80FD6B74463490EB931E3910A931A377767BD53AC721A14826E85
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
28
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/1ad0c00a-11d9-4946-a76b-e5f65f45a6b6/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

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

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/69850ce1981ff1d38a4a7749/reports/f96ae893-7592-47c4-bcc5-918f4d56c239/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-02-02T12:23:00Z UTC
Last seen:
2026-02-03T04:34:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/31d5f5491ec3d4f87532fc7e0e7deb2acd65905344c3d308b3842330a187223f/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6b8a4158-bba6-453a-bd73-8e18bb56e137
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1864360
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1864360 Sample: Space.m68k.elf Startdate: 05/02/2026 Architecture: LINUX Score: 72 24 192.109.200.60, 3778 TELECOMASET-ASBG Bulgaria 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 2 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 8 Space.m68k.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 Space.m68k.elf 8->14         started        16 Space.m68k.elf 8->16         started        18 Space.m68k.elf 8->18         started        process6 20 Space.m68k.elf 14->20         started        22 Space.m68k.elf 14->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31d5f5491ec3d4f87532fc7e0e7deb2acd65905344c3d308b3842330a187223f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31d5f5491ec3d4f87532fc7e0e7deb2acd65905344c3d308b3842330a187223f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/31d5f5491ec3d4f87532fc7e0e7deb2acd65905344c3d308b3842330a187223f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-02 21:36:36 UTC
File Type:
ELF32 Big (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghk7ksi6ypkpq5js7r7a47plflgwlectitb5gcftqqrtbimhei7q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd linux
Link:
https://tria.ge/reports/260205-1ew8qabw3e/
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: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_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 31d5f5491ec3d4f87532fc7e0e7deb2acd65905344c3d308b3842330a187223f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3772699/
  
Delivery method
Distributed via web download

Comments