MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6cd4b3f6b6ad8dc23475229e9fb3ff1e13f712c6e662431f99658d03607939d. 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: b6cd4b3f6b6ad8dc23475229e9fb3ff1e13f712c6e662431f99658d03607939d
SHA3-384 hash: 1c1d53728920e6629c250e6415df6b383dc3463b6a2a92ea38d5dcda5575d38c4dff0af3fe0685859af840cde6a642a8
SHA1 hash: ac37c3bd3e4033ed93962c01efe124d365c45a6b
MD5 hash: 3756fda34fde7eeea298b14597aeb064
humanhash: artist-seventeen-north-table
File name:nabsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:54'480 bytes
First seen:2026-01-21 15:24:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:5/O/dlyXXwJbb1jwXZ3tgC/qhAJT2bVR:VSQwbb1EtgGM6T2
TLSH T114338C62EEAADD58D61C55B074348B7A5B536200D7872EF3969ACA798003DCCF24C3F9
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 :
87
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

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/424a5d32-ac0b-4b45-9b6d-84866186429d
Behavior Graph:
Download SVG
%3 guuid=aa6b9c60-1900-0000-0d75-a7b1360c0000 pid=3126 /usr/bin/sudo guuid=c76e6f62-1900-0000-0d75-a7b13e0c0000 pid=3134 /tmp/sample.bin guuid=aa6b9c60-1900-0000-0d75-a7b1360c0000 pid=3126->guuid=c76e6f62-1900-0000-0d75-a7b13e0c0000 pid=3134 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a497ec5f-d043-493f-9a92-71bf9c212fa3
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1855029
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1855029 Sample: nabsh4.elf Startdate: 21/01/2026 Architecture: LINUX Score: 56 20 50.46.10.207, 23 ZIPLY-FIBER-LEGACY-ASNUS United States 2->20 22 189.138.253.67, 23 UninetSAdeCVMX Mexico 2->22 24 100 other IPs or domains 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 nabsh4.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nabsh4.elf 8->14         started        process6 16 nabsh4.elf 14->16         started        18 nabsh4.elf 14->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b6cd4b3f6b6ad8dc23475229e9fb3ff1e13f712c6e662431f99658d03607939d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b6cd4b3f6b6ad8dc23475229e9fb3ff1e13f712c6e662431f99658d03607939d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-21 15:25:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3guwp3lnlmnyi2hkiu6t6z76hqt64jmnztcimpzszmnanqhsooq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260121-svaewsbw7e/
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/b6cd4b3f6b6ad8dc23475229e9fb3ff1e13f712c6e662431f99658d03607939d

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 b6cd4b3f6b6ad8dc23475229e9fb3ff1e13f712c6e662431f99658d03607939d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739226/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3740306/

Comments