MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a266d2d33eef5ef4bda35ae21e0b340d79800a0c174b1f402af6a87e561b8285. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a266d2d33eef5ef4bda35ae21e0b340d79800a0c174b1f402af6a87e561b8285
SHA3-384 hash: 545f845ebd010ea63aba6434e1a034463af7fbf8663537b10f6b2b7549d01b90678b6a9e4892c79a20ece5c7440414a2
SHA1 hash: e966f890bd050f525b5eed3187ae168fc238bf56
MD5 hash: d75554a189a560951f5d46b9b868c93c
humanhash: sad-mike-yankee-equal
File name:kt7
Download: download sample
Signature Mirai
Create hunting rule
File size:102'888 bytes
First seen:2025-08-10 13:09:39 UTC
Last seen:2025-10-29 15:13:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:R/Mdbdnqz/aNkdjsUqN2vM+GDRloIi0iSh+:RIAaNiM+GDRl5i0h+
TLSH T1CFA3B54CF964A728C7E232FFF66912CE322B0B9CB7EA71219E314B5237C9F555921121
Magika elf
Reporter abuse_ch
Tags:elf mirai
File size (compressed) :32'920 bytes
File size (de-compressed) :102'888 bytes
Format:linux/arm
Packed file: dc1a95081ff7cbfc15da06eaf090e68ba5fda49e48cc5b507b6671a6637ef6d9

Intelligence

File Origin
# of uploads :
3
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7136070-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet gcc mirai obfuscated rust
Link:
https://www.filescan.io/uploads/68989a5c6d7bffa0a7a05eb6/reports/63d51661-f4c0-43a7-8bd1-039d16671465/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a266d2d33eef5ef4bda35ae21e0b340d79800a0c174b1f402af6a87e561b8285
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d57b35fd-5ac3-42eb-bded-50ca8a6950d7
Behavior Graph:
Download SVG
%3 guuid=3925e21b-1a00-0000-0c1e-8b3335090000 pid=2357 /usr/bin/sudo guuid=95e9a31d-1a00-0000-0c1e-8b333c090000 pid=2364 /tmp/sample.bin guuid=3925e21b-1a00-0000-0c1e-8b3335090000 pid=2357->guuid=95e9a31d-1a00-0000-0c1e-8b333c090000 pid=2364 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c4f850c-687d-4055-9707-54aa97814271
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1754061
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1754061 Sample: kt7.elf Startdate: 10/08/2025 Architecture: LINUX Score: 72 22 787892.dynv6.net 156.225.31.132, 58568, 58570, 58574 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 2->22 24 109.202.202.202, 80 INIT7CH Switzerland 2->24 26 4 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 kt7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 kt7.elf 8->14         started        process6 16 kt7.elf 14->16         started        18 kt7.elf 14->18         started        20 kt7.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a266d2d33eef5ef4bda35ae21e0b340d79800a0c174b1f402af6a87e561b8285
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a266d2d33eef5ef4bda35ae21e0b340d79800a0c174b1f402af6a87e561b8285/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/a266d2d33eef5ef4bda35ae21e0b340d79800a0c174b1f402af6a87e561b8285
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-10 13:10:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ujtnfuz655ppjpndllrb4czubv4yacqmc5fr6qbk62uh4vq3qkcq._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/250810-qeq2laxpx3/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/82b1a45c-789a-4982-8a73-74394668b4e6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a266d2d33eef5ef4bda35ae21e0b340d79800a0c174b1f402af6a87e561b8285

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_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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: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 a266d2d33eef5ef4bda35ae21e0b340d79800a0c174b1f402af6a87e561b8285

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3532688/
  
Delivery method
Distributed via web download

Comments