MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51a78beaa7e2421d6da1801dc93057d65ed5c852ac9fe7a405528996ea863dc5. 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

SHA256 hash: 51a78beaa7e2421d6da1801dc93057d65ed5c852ac9fe7a405528996ea863dc5
SHA3-384 hash: 0ab9732118243752e290ad26a88697b4d9a7e2aefb5ec68e1ecccf1e0b69f3e4cf9f4d376947918cc61c50f41f753278
SHA1 hash: 329414dacce82c232c043a4cdfab3ddbdc04cfee
MD5 hash: 4d2c365a1f4ecb158c14c812f2fa81c9
humanhash: mississippi-cold-idaho-tennis
File name:x86
Download: download sample
Signature Mirai
File size:92'108 bytes
First seen:2025-05-06 18:22:58 UTC
Last seen:2025-05-07 11:05:09 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:WWmseUZNsb0U+ge96KwzwkuggIyB2PRf1SwRXXv:VOUZc0UVM5awbgSBu8wd
TLSH T12B935CC5F683D4F6EA5705B15137A7329733E43A602AEF42C329AD36DC62910DA1B36C
telfhash t1215137f72e6608fcf380ac49971e5b532b1a96b7062036b501f36de533f6a958076c35
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 :
19
# of downloads :
100
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Receives data from a server
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
59
Number of processes launched:
17
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1682560 Sample: x86.elf Startdate: 06/05/2025 Architecture: LINUX Score: 68 27 takidayne.duckdns.org 2->27 29 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->29 31 34.254.182.186, 443, 54630 AMAZON-02US United States 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Gafgyt 2->37 9 x86.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 39 Uses dynamic DNS services 27->39 process4 process5 15 x86.elf 9->15         started        process6 17 x86.elf 15->17         started        process7 19 x86.elf 17->19         started        21 x86.elf 17->21         started        23 x86.elf 17->23         started        25 6 other processes 17->25
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-05-06 18:23:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-10002598-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
Rule name:unixredflags3
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 51a78beaa7e2421d6da1801dc93057d65ed5c852ac9fe7a405528996ea863dc5

(this sample)

  
Delivery method
Distributed via web download

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