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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ba109db5e27f287058be5a36b34d7944d91bb71b3ce8b37cd1434fa67774c7e. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ba109db5e27f287058be5a36b34d7944d91bb71b3ce8b37cd1434fa67774c7e
SHA3-384 hash: bcf59b7df5abccc49445d80643c48560cc070b9c8bd22249aa2568e180216fd006381a5d5b92c541463cf61e3e0d9400
SHA1 hash: 509ddd6a998ce9460abde917797c780532d768e6
MD5 hash: 3198f9b59c0fcc66aea5a8d20c1e4913
humanhash: don-steak-sweet-double
File name:ciubuc_m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:2'306'428 bytes
First seen:2026-05-02 18:18:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:r4N2aqvXcTNZXXuXfnHo59s8xZbhrBkO40:r4N27Y+X/V8xbBkO5
TLSH T144B57C47B708B9BEF686733784574A0E34047F12C0815F33A2B5F4AD5E6A1A91F396CA
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
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/f4af9f32-ba6c-4e7a-8ac9-485d040d796c/
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

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

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

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

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

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

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

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

Unix.Trojan.Mirai-10012509-0
Create hunting rule

Unix.Trojan.Mirai-10017111-0
Create hunting rule

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64
Link:
https://www.filescan.io/uploads/69f63ff8df14f1cb2ac85210/reports/6086335f-f70e-4e5e-8133-145d76e38dcd/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-05-02T15:23:00Z UTC
Last seen:
2026-05-02T16:18:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/4ba109db5e27f287058be5a36b34d7944d91bb71b3ce8b37cd1434fa67774c7e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d37ef546-1c15-49d5-8c85-6c5d1244b5d6
Behavior Graph:
Download SVG
%3 guuid=dc74f0c2-1900-0000-092e-5b50f0080000 pid=2288 /usr/bin/sudo guuid=c83d26c5-1900-0000-092e-5b50f3080000 pid=2291 /tmp/sample.bin guuid=dc74f0c2-1900-0000-092e-5b50f0080000 pid=2288->guuid=c83d26c5-1900-0000-092e-5b50f3080000 pid=2291 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/724d68b4-94fd-474c-8ffe-3d9e2a290b68
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1907692
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1907692 Sample: ciubuc_m68k.elf Startdate: 02/05/2026 Architecture: LINUX Score: 96 29 45.62.25.98 WCUUS United States 2->29 31 152.17.230.72 WAKE-FOREST-UNIVERSITYUS United States 2->31 33 98 other IPs or domains 2->33 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 2 other signatures 2->47 8 ciubuc_m68k.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 49 Sample deletes itself 8->49 15 ciubuc_m68k.elf 8->15         started        process6 process7 17 ciubuc_m68k.elf 15->17         started        20 ciubuc_m68k.elf 15->20         started        23 ciubuc_m68k.elf 15->23         started        25 3 other processes 15->25 file8 35 Manipulation of devices in /dev 17->35 37 Deletes system log files 17->37 27 /dev/shm/.aslk02ae...xhp63g72q (deleted), ELF 20->27 dropped 39 Drops invisible ELF files 20->39 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4ba109db5e27f287058be5a36b34d7944d91bb71b3ce8b37cd1434fa67774c7e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4ba109db5e27f287058be5a36b34d7944d91bb71b3ce8b37cd1434fa67774c7e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4ba109db5e27f287058be5a36b34d7944d91bb71b3ce8b37cd1434fa67774c7e
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-02 18:18:23 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=joqqtw26e7ziobml4wrwwngxsrgzdo3rwphiwn6ncq2puz3xjr7a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/260502-wxrzhaht9r/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/4ba109db5e27f287058be5a36b34d7944d91bb71b3ce8b37cd1434fa67774c7e

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Web download

Mirai

elf 4ba109db5e27f287058be5a36b34d7944d91bb71b3ce8b37cd1434fa67774c7e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3828778/
  
Delivery method
Distributed via web download

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