MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b95675890ff835c443fad53a65259e69c1ee395fddf110abf40266736f62543e. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b95675890ff835c443fad53a65259e69c1ee395fddf110abf40266736f62543e
SHA3-384 hash: 881274d24b6e424c4412d4f1dc540a812338ecdf12f503d54c0a0eb096b72f839614568a7d5b6734088bfd2d4ee423e8
SHA1 hash: 8ed432a9cb08280faf5c3d319ad7a1c8629c0619
MD5 hash: a3e569c241d0a64511e2e41ea49963e8
humanhash: beryllium-triple-thirteen-mars
File name:nklsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:74'924 bytes
First seen:2025-12-28 19:26:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:yatywtWuXWcIrcL/oJn4KbB+LBZPCtO+4y0LuZ7Rm:yziX1IQQJ/bYZPZBXLuZs
TLSH T1B2739D63C92ABDA4D16D46B4B4B58E751B23F10082872FFB1A99C6799043EACF50D3F4
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 :
52
Origin country :
DE DE
Vendor Threat Intelligence
No detections
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/69518494148c21e830edc9be/reports/986dbf40-a153-47e7-9ed1-4db719c9baaa/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/526df7e8-44ac-4bc9-aad8-f0ec4f366079
Behavior Graph:
Download SVG
%3 guuid=0f796a69-1a00-0000-0717-008a8d0b0000 pid=2957 /usr/bin/sudo guuid=527c536b-1a00-0000-0717-008a910b0000 pid=2961 /tmp/sample.bin guuid=0f796a69-1a00-0000-0717-008a8d0b0000 pid=2957->guuid=527c536b-1a00-0000-0717-008a910b0000 pid=2961 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2d89bb24-3ee0-47ee-85a9-777adde614ec
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1840909
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840909 Sample: nklsh4.elf Startdate: 28/12/2025 Architecture: LINUX Score: 72 18 184.188.161.131 XT-NEWORLEANSUS United States 2->18 20 205.197.81.204 XO-AS15US United States 2->20 22 100 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 nklsh4.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nklsh4.elf 8->14         started        process6 16 nklsh4.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b95675890ff835c443fad53a65259e69c1ee395fddf110abf40266736f62543e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b95675890ff835c443fad53a65259e69c1ee395fddf110abf40266736f62543e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 19:27:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xflhlcip7a24iq722u5gkjm6nha64ok73xyrbk7uajthg33ckq7a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251228-x57klayqfr/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5f3fba57-26f4-4f4d-9baa-491819586366
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 b95675890ff835c443fad53a65259e69c1ee395fddf110abf40266736f62543e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740370/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739237/

Comments