MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5c1d3bcce0af884022072407f05ae211b0ed79769417b449403017823dcfd79. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5c1d3bcce0af884022072407f05ae211b0ed79769417b449403017823dcfd79
SHA3-384 hash: 5bec17b8826d89dbba4113a97c3d1d7f22037f69f3d34f6cdba0b8f7feec084cace3b82d899575fb68a5d99a02b266c2
SHA1 hash: cf8d3d422bbc2f49ae717a4f05ce8e20c2bad9dd
MD5 hash: 219b5e7652e3426d447e18fab33a10d0
humanhash: oklahoma-uncle-fanta-muppet
File name:uYtea.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:55'348 bytes
First seen:2025-12-04 00:05:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:FmnthEsW5qnF15RY1dhPe7oXTmcKDj5gk9vWnTI4eBH+4sToQLDLFv:Yn/EsW5qhSh6amTlWnU4GH+dNLt
TLSH T1BB434AC4F143E9F5E84301741026EF37AF72F2EA115CDD93D3A9EA226C92A12E446D8D
telfhash t10b1191b74da649fcb3d89805c75e2af21979ca2315a066b840331dd423f28c1d1b8c3e
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 :
23
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/577e11b2-fa4c-412e-ab67-c2914fd6cbda/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-9941921-0
Create hunting rule

Unix.Trojan.Mirai-9943114-0
Create hunting rule

Unix.Trojan.Mirai-9950762-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Opens a port
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6930d048bba50eaf042008ec/reports/12401e5e-0c1f-4ece-8ebb-74a3393a9ece/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7df9fd48-4184-45db-b4d1-1dd304691aef
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1825957
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825957 Sample: uYtea.x86.elf Startdate: 04/12/2025 Architecture: LINUX Score: 64 18 143.20.37.113, 1302, 47718, 47720 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->18 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 3 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 8 uYtea.x86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 uYtea.x86.elf 8->14         started        process6 16 uYtea.x86.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5c1d3bcce0af884022072407f05ae211b0ed79769417b449403017823dcfd79
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5c1d3bcce0af884022072407f05ae211b0ed79769417b449403017823dcfd79/
Threat name:
Linux.Trojan.LnxMirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 00:05:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxa5hpgobl4iiaraojah6bnoeenq5v4xnfaxwreuamaxqi647v4q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:demons defense_evasion linux
Link:
https://tria.ge/reports/251204-af667sak5w/
Behaviour
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
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: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:Linux_Trojan_Mirai_389ee3e9
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_b14f4c5d
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 b5c1d3bcce0af884022072407f05ae211b0ed79769417b449403017823dcfd79

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3724543/
  
Delivery method
Distributed via web download

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