MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d671dd6df29d94251766641994626f5f225cbcd2d0ad77e105cdb5336227e25. 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: 3d671dd6df29d94251766641994626f5f225cbcd2d0ad77e105cdb5336227e25
SHA3-384 hash: 8cd524f974ade90133cbc69887699b184c04dbd89ecd1048a91c00b1cb8f506b5726d5f4e23da87d79e3377f6b7fc4b8
SHA1 hash: e631d4223c22dab2bc5ba1118d767e49c32a2221
MD5 hash: 962d7ff71208c4019264975ee625a1ba
humanhash: yankee-aspen-hotel-minnesota
File name:kt8
Download: download sample
Signature Mirai
Create hunting rule
File size:77'916 bytes
First seen:2025-05-07 03:05:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:/EGLWJ6wyFDk4+vo7v64HxqAMcX7DApjBgkEP:/vc4+mQeka
TLSH T10873C5CF9A3D0A53C4E745F23D2737E48F6CE43652A425C19206BFC506BA9B62132F69
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
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

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681aceb3432e243ac3e4c683linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
DNS request
Sends data to a server
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/681acdedc7418694c8a68739/reports/3725ac90-cd83-4689-8835-0115f08db765/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0fd01335-e63a-4fa5-93e1-2c40f3172804
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1682862
Signature
Antivirus / Scanner detection for submitted sample
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1682862 Sample: kt8.elf Startdate: 07/05/2025 Architecture: LINUX Score: 56 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->22 24 2 other IPs or domains 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Yara detected Mirai 2->28 8 dash rm kt8.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 7 other processes 2->14 signatures3 process4 process5 16 kt8.elf 8->16         started        process6 18 kt8.elf 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3d671dd6df29d94251766641994626f5f225cbcd2d0ad77e105cdb5336227e25
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3d671dd6df29d94251766641994626f5f225cbcd2d0ad77e105cdb5336227e25/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-07 03:05:18 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hvtr3vw7fhmueulwmzazsrrg6xzcls6nfufno7qqltnvgnrcpysq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250507-dla8hazjs5/
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/0e5be4d1-8b68-472a-9170-abfe2f24faca
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3d671dd6df29d94251766641994626f5f225cbcd2d0ad77e105cdb5336227e25

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_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: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 3d671dd6df29d94251766641994626f5f225cbcd2d0ad77e105cdb5336227e25

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3531155/
  
Delivery method
Distributed via web download

Comments