MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a21b9d2ad8850edbd2d5a72868e36ea586de14e7da5727dfe54e69c3bfde1d4. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a21b9d2ad8850edbd2d5a72868e36ea586de14e7da5727dfe54e69c3bfde1d4
SHA3-384 hash: 6064a2d3c80510341c210cbc2dfb6a368e5d2cc76dd7bc975e6926a60c8c94be8a9a09de1dc3915c3498341b07f7b250
SHA1 hash: 3832fb3ec3e0d212fe8f3801b24ac7fde9cc91d3
MD5 hash: 9147d925a5013cfdea3eddb45680a820
humanhash: fix-juliet-fourteen-cat
File name:i686
Download: download sample
Signature Mirai
Create hunting rule
File size:46'068 bytes
First seen:2025-08-18 01:30:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:28xx8cVTJSwo7CW1oK1hY+wXeOSHrXOz1jx8/rVTSkqSf3IxjyolQf6ufqnVG0wE:NRVTJ/o+WqmhY+wXedLeBlkVmeUyoW65
TLSH T175234AC9A653C4F1DC102A784037A7916EB6D433AA75FA8BE7993937EC03B00960738D
telfhash t1aa214cfe6e760ef8f3459c08d71a67e3a64ad23b096061e809b21cd436d1ed480b0c3a
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 :
39
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Kills processes
Runs as daemon
Deletes a file
Sends data to a server
Connection attempt
Deleting a recently created file
Substitutes an application name
Performs a bruteforce attack in the network
Deleting of the original file
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c7572bb5-c6b0-42f5-8176-f6dc361ead2c
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1758990
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to access files in /etc/config/ (typical for OpenWRT routers)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1758990 Sample: i686.elf Startdate: 18/08/2025 Architecture: LINUX Score: 72 22 Malicious sample detected (through community Yara rule) 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 8 i686.elf 2->8         started        process3 signatures4 28 Sample deletes itself 8->28 11 i686.elf 8->11         started        process5 process6 13 i686.elf 11->13         started        16 i686.elf 11->16         started        18 i686.elf 11->18         started        signatures7 30 Sample tries to access files in /etc/config/ (typical for OpenWRT routers) 13->30 20 i686.elf 16->20         started        process8
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9a21b9d2ad8850edbd2d5a72868e36ea586de14e7da5727dfe54e69c3bfde1d4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9a21b9d2ad8850edbd2d5a72868e36ea586de14e7da5727dfe54e69c3bfde1d4/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/9a21b9d2ad8850edbd2d5a72868e36ea586de14e7da5727dfe54e69c3bfde1d4
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-18 01:31:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tiq3tuvnrbio3pjnljzindrw5jmg3ykopwsxe7p6kttjyo754hka._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/250818-bxna4ayp13/
Behaviour
Contacts a large (76251) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9970440-0
YARA:
Linux_Trojan_Mirai_0bce98a2 Linux_Trojan_Mirai_95e0056c Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/0821f238-46cf-4957-9489-78441399721e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9a21b9d2ad8850edbd2d5a72868e36ea586de14e7da5727dfe54e69c3bfde1d4

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_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_95e0056c
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 9a21b9d2ad8850edbd2d5a72868e36ea586de14e7da5727dfe54e69c3bfde1d4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3604497/
  
Delivery method
Distributed via web download

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