MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 574b1dd5281d28d5588e3c02cd71438c644b274710d732082d372e4090fedbd7. 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 27 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 574b1dd5281d28d5588e3c02cd71438c644b274710d732082d372e4090fedbd7
SHA3-384 hash: d080fffabf115a12bcb4071b667af16f6add5cce76d1f56fbaf9566cd463b4c489867d231ce78229b27c0c8fa2b6b4ef
SHA1 hash: 2e64269ab158939b72cbe2d18bf549b45efd038d
MD5 hash: 8904e48efed1bfc103e44b1b22601c26
humanhash: burger-nine-potato-black
File name:ciubuc_i586
Download: download sample
Signature Mirai
Create hunting rule
File size:2'395'004 bytes
First seen:2026-05-02 17:59:12 UTC
Last seen:2026-05-03 10:01:04 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:2L+gMY+pSTJvy/zU66Riyuws0Q4CA9uHmjHkpXkVa2rh:+MYTJmSCGQpXmr
TLSH T1ECB56B43E683C0F1EA1206F11117F3779A399A154136C9A3EF98AD29AE71742E71E37C
telfhash t1fe6350b3d29e5fcc5be0a904964f2b10d9d1e53719e074b289dbf8c126b3e8399724b4
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
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-7135916-0
Create hunting rule

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

Unix.Trojan.Gafgyt-9809564-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Opens a port
Changes access rights for a written file
Sends data to a server
Changes access rights for a file
Sets a written file as executable
Creating a file
Creating a process from a recently created file
Connection attempt
Accesses SSH
Traces processes
Deletes a system binary file
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 gafgyt mirai obfuscated
Link:
https://www.filescan.io/uploads/69f63b7586e92bda701bbf46/reports/f1162bf1-3be5-4d9d-bf5f-8101efbc6bfd/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
83
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
2323,23
Full report:
https://elfdigest.com/brief/574b1dd5281d28d5588e3c02cd71438c644b274710d732082d372e4090fedbd7
Behaviour
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-02T15:06:00Z UTC
Last seen:
2026-05-02T15:55:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/574b1dd5281d28d5588e3c02cd71438c644b274710d732082d372e4090fedbd7/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a4b493fa-079d-4016-a455-47b770ef153d
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/574b1dd5281d28d5588e3c02cd71438c644b274710d732082d372e4090fedbd7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/574b1dd5281d28d5588e3c02cd71438c644b274710d732082d372e4090fedbd7/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/574b1dd5281d28d5588e3c02cd71438c644b274710d732082d372e4090fedbd7
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-02 18:00:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k5fr3vjiduunkweohqbm24kdrrsewj2hcdltecbng4xebeh63plq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux
Link:
https://tria.ge/reports/260502-wkwf6ads4t/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Traces itself
Contacts a large (152206) 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.

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_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
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: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:VPNFilterStage3PluginTor
Create hunting rule
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 574b1dd5281d28d5588e3c02cd71438c644b274710d732082d372e4090fedbd7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3828767/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3828769/

Comments