MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d21a18bb2bf6195c81274399d8218bb0890a6a7531ccc133b2ca910676f802fa. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d21a18bb2bf6195c81274399d8218bb0890a6a7531ccc133b2ca910676f802fa
SHA3-384 hash: 382daabcb0eb26ec48420b3a4748e1bbffc9abc2aa0408907344537e4094235b8aa94508a33017408f3be67b719a92ed
SHA1 hash: 4b0d4b245f7e9f3d44e8e20242344ec0aa16f545
MD5 hash: 047bc6b7fa31078739a6b62d5250da77
humanhash: whiskey-sad-moon-network
File name:main_x86
Download: download sample
Signature Mirai
Create hunting rule
File size:103'180 bytes
First seen:2026-02-27 08:27:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:r2uqDep2ABzPY3pwvwED0vZsLJfqf58b0SdvY81:r2uqDewAJPWpuwED0B83vxY81
TLSH T1E2A35BD4F383D4F6E85701B02136F7339B32E0765229EA53D3A89A33ACA1541DE1A79D
telfhash t1175117fb19bb0ce8a3d0ad00d31e6e212d5dc73b116073a1407359782267ec255bac3d
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 :
108
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/01b73fd5-1b9b-4006-8ff2-18b6cfcac2bd/
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-9441505-0
Create hunting rule

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

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/69a1559c9eaae84659402062/reports/cd294f45-7766-462c-977f-b08118c5613c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d21a18bb2bf6195c81274399d8218bb0890a6a7531ccc133b2ca910676f802fa
Behaviour
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 27.102.137.81:31231
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/d21a18bb2bf6195c81274399d8218bb0890a6a7531ccc133b2ca910676f802fa/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7d55e8e5-8062-41fe-8261-232513bdcd36
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d21a18bb2bf6195c81274399d8218bb0890a6a7531ccc133b2ca910676f802fa
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d21a18bb2bf6195c81274399d8218bb0890a6a7531ccc133b2ca910676f802fa/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-27 08:28:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2inbrozl6ymvzajhiom5qimlwcequ2tvghgmcm5szkiqm5xyal5a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux
Link:
https://tria.ge/reports/260227-kc3pqahz6h/
Behaviour
Writes file to tmp directory
Changes its process name
Deletes itself
Traces itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/d21a18bb2bf6195c81274399d8218bb0890a6a7531ccc133b2ca910676f802fa

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
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: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_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 d21a18bb2bf6195c81274399d8218bb0890a6a7531ccc133b2ca910676f802fa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3781933/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3781925/

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