MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c03131a6ab6a8676712bf15dd5a396db7a9ed62097d0d3c71e9bfb48495f976e. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c03131a6ab6a8676712bf15dd5a396db7a9ed62097d0d3c71e9bfb48495f976e
SHA3-384 hash: d0ea40e40fbdefa80ef01a51ee59bcd292e676fb2b7f02b61bc0d75d28b65ad5adc11b1b48369e2a0ce3c98677d59a5f
SHA1 hash: da90a91f16847c110a7ac469dc3334957ffbbda1
MD5 hash: c6267175f3233e993260b971932197ca
humanhash: grey-sodium-failed-tango
File name:kt1
Download: download sample
Signature Mirai
Create hunting rule
File size:143'352 bytes
First seen:2025-08-16 13:54:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:W2GZzGb4FOWkyuCBkStN8ffvOm3U1/J6x5MC1mPHJnTryxXEer:AZz98Ck8N8XfyAXfr
TLSH T19EE32942B743DAB3E00300F111A68F610B31FA3E6862D89AF3A57D76A9369C1D61777D
telfhash t1a16108b967fa0cd86bc09401e24e1770dd4de77f245036e64bf259582736f8292abc39
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 :
31
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
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-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet gcc mirai obfuscated
Link:
https://www.filescan.io/uploads/68a08ddb419c816a6e88fdf0/reports/69d159a6-1158-43a5-9bee-44f6ea63ab6a/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/716517b1-b54a-4a53-ae0e-6fe9b94d44a1
Behavior Graph:
Download SVG
%3 guuid=b3ab11a1-2100-0000-1596-7644930a0000 pid=2707 /usr/bin/sudo guuid=6491b6a3-2100-0000-1596-76449c0a0000 pid=2716 /tmp/sample.bin net guuid=b3ab11a1-2100-0000-1596-7644930a0000 pid=2707->guuid=6491b6a3-2100-0000-1596-76449c0a0000 pid=2716 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=6491b6a3-2100-0000-1596-76449c0a0000 pid=2716->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a088fda3-2100-0000-1596-76449e0a0000 pid=2718 /tmp/sample.bin net send-data zombie guuid=6491b6a3-2100-0000-1596-76449c0a0000 pid=2716->guuid=a088fda3-2100-0000-1596-76449e0a0000 pid=2718 clone guuid=a088fda3-2100-0000-1596-76449e0a0000 pid=2718->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 0cbdda1b-6fa8-5c3f-9669-401d37d35193 j48asd.dns.army:8856 guuid=a088fda3-2100-0000-1596-76449e0a0000 pid=2718->0cbdda1b-6fa8-5c3f-9669-401d37d35193 send: 3B guuid=cd3510a4-2100-0000-1596-76449f0a0000 pid=2719 /tmp/sample.bin dns net send-data guuid=a088fda3-2100-0000-1596-76449e0a0000 pid=2718->guuid=cd3510a4-2100-0000-1596-76449f0a0000 pid=2719 clone guuid=cd3510a4-2100-0000-1596-76449f0a0000 pid=2719->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a2f77ba3-03bf-47c2-b835-d9c860d0c8be
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1758368
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: 1758368 Sample: kt1.elf Startdate: 16/08/2025 Architecture: LINUX Score: 72 20 787892.dynv6.net 156.225.31.132, 58562, 58564, 8856 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 2->20 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 4 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 8 kt1.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 kt1.elf 8->14         started        process6 16 kt1.elf 14->16         started        18 kt1.elf 14->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c03131a6ab6a8676712bf15dd5a396db7a9ed62097d0d3c71e9bfb48495f976e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c03131a6ab6a8676712bf15dd5a396db7a9ed62097d0d3c71e9bfb48495f976e/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/c03131a6ab6a8676712bf15dd5a396db7a9ed62097d0d3c71e9bfb48495f976e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-16 12:54:51 UTC
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yaytdjvlnkdhm4jl6fo5li4w3n5j5vras7inhry6tp5uqsk7s5xa._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
linux
Link:
https://tria.ge/reports/250816-q8cfasxq15/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_389ee3e9
Link:
https://app.threat.zone/submission/1860a040-fa81-4e53-be25-3ac7203ae282
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/c03131a6ab6a8676712bf15dd5a396db7a9ed62097d0d3c71e9bfb48495f976e

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_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
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: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 c03131a6ab6a8676712bf15dd5a396db7a9ed62097d0d3c71e9bfb48495f976e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3532680/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3604028/
  
URLhaus
https://urlhaus.abuse.ch/url/3603570/

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