MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bad638f8b2386c164b82be0dd2a24122656370ca3b08f91482eb8c6b714d806. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2bad638f8b2386c164b82be0dd2a24122656370ca3b08f91482eb8c6b714d806
SHA3-384 hash: 558c1c3fabf654827bd67bbb8db4f68ddec3d7d887d536e044e13659c32115ecfa21e8aa99324f6d2fdbc82915d75f24
SHA1 hash: a7bc708bc8b04d06815fc26122587d500ed11c33
MD5 hash: aeb633ed1fd4cabd0058b790841f42d8
humanhash: maryland-summer-fish-ink
File name:kt3
Download: download sample
Signature Mirai
Create hunting rule
File size:290'376 bytes
First seen:2025-08-21 12:05:24 UTC
Last seen:2025-08-22 08:21:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:5hCgRhbe++M7tl03XhKidfpa1kKTPOgfHZ:5X+M7w3xKidfAvTPlf
TLSH T19254302A6B729FB7EC1ACD3305E94502158CA28A52D92F6FB6B0C61CE78BD4F44D3C54
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
74
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.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.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-9441505-0
Create hunting rule

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

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

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

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc obfuscated threat
Link:
https://www.filescan.io/uploads/68a70bae7137d6845835c44e/reports/222f29f4-8b7f-4671-8ae3-a01fc2ba8b60/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/967d5832-7e33-4495-99fb-ad3aad6dfd75
Behavior Graph:
Download SVG
%3 guuid=8d0e0b6e-1900-0000-443f-68fe28140000 pid=5160 /usr/bin/sudo guuid=cb6c5670-1900-0000-443f-68fe2c140000 pid=5164 /tmp/sample.bin guuid=8d0e0b6e-1900-0000-443f-68fe28140000 pid=5160->guuid=cb6c5670-1900-0000-443f-68fe2c140000 pid=5164 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/763aa002-0311-4675-88d8-a8f82349e276
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1761953
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: 1761953 Sample: kt3.elf Startdate: 21/08/2025 Architecture: LINUX Score: 80 24 787892.dynv6.net 156.225.31.132, 58568, 58570, 58572 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 4 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 8 kt3.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 kt3.elf 8->14         started        process6 16 kt3.elf 14->16         started        18 kt3.elf 14->18         started        20 kt3.elf 14->20         started        22 17 other processes 14->22
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2bad638f8b2386c164b82be0dd2a24122656370ca3b08f91482eb8c6b714d806
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2bad638f8b2386c164b82be0dd2a24122656370ca3b08f91482eb8c6b714d806/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/2bad638f8b2386c164b82be0dd2a24122656370ca3b08f91482eb8c6b714d806
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-21 12:05:56 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=fowwhd4leodmczfyfpqn2krecitfmnymuoyi7ekif24mnnyu3ada._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/250821-n9m73ssxa1/
Behaviour
Changes its process name
Verdict:
Unknown
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/06197aaa-0743-4ec6-a905-6b782291c9cd
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/2bad638f8b2386c164b82be0dd2a24122656370ca3b08f91482eb8c6b714d806

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
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 2bad638f8b2386c164b82be0dd2a24122656370ca3b08f91482eb8c6b714d806

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3604034/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments