MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b31b60facbb4ffc2c14f21001fad8f4ef5292668ac26e3465252b618633ddf57. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b31b60facbb4ffc2c14f21001fad8f4ef5292668ac26e3465252b618633ddf57
SHA3-384 hash: 63c65eab06f0ecf5646c9b64f0a0dc9e2ea9737fbfc569eca3d31e513005d787ca797850f41bdd500f539ad894379c57
SHA1 hash: a9810cbf868e2ca2aa687b9919529aafdd20f5f2
MD5 hash: 239e569a8bff4dd01d99a5cac6c74536
humanhash: kentucky-tennis-rugby-leopard
File name:jklsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:55'460 bytes
First seen:2025-11-28 21:54:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:7aewt8SJOw9tob6en0QSrUMA5NBdSGwr2CgMug7R:7ZUJbYZMmNuGwr2uug
TLSH T1D1437D66C86AEDE0C19856B8B8708E780F23F100C6922EF71B45D8B65047E6DF64E3F5
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 :
88
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/692a1a421b65ca0bb926f8f0/reports/16fc139a-846a-4580-8193-10b746fadcd6/overview
Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/97135fc8-39be-4ace-b4f2-f5a1241f42c8
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1822590
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822590 Sample: jklsh4.elf Startdate: 28/11/2025 Architecture: LINUX Score: 48 22 202.137.33.199 ZLANZTVCOLTDJP Japan 2->22 24 47.65.80.103, 23 VODANETInternationalIP-BackboneofVodafoneDE United States 2->24 26 99 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 8 jklsh4.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 jklsh4.elf 8->14         started        process6 16 jklsh4.elf 14->16         started        18 jklsh4.elf 14->18         started        20 jklsh4.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b31b60facbb4ffc2c14f21001fad8f4ef5292668ac26e3465252b618633ddf57
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b31b60facbb4ffc2c14f21001fad8f4ef5292668ac26e3465252b618633ddf57/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-28 21:55:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmnwb6wlwt74fqkpeeab7lmpj32ssjtivqtogrsskk3bqyz535lq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251128-1st1hssjej/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/133f13fc-cf96-4b80-bb77-a0495aec9dcd
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/b31b60facbb4ffc2c14f21001fad8f4ef5292668ac26e3465252b618633ddf57

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: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 b31b60facbb4ffc2c14f21001fad8f4ef5292668ac26e3465252b618633ddf57

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3712978/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3700422/

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