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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9a459e0d64a87b584a0c78f098a349792f1623e976fe40722003c59180a6cf2. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9a459e0d64a87b584a0c78f098a349792f1623e976fe40722003c59180a6cf2
SHA3-384 hash: 83ecbb13639db0416817d63d28ce0dc50129aaf813e5466bbd15fd4d18b373d87e814ee300ffd3a956da7b7bdd687240
SHA1 hash: 3d978dacb975a0715b5275d3b2d1255773bfc6cb
MD5 hash: f986ba3b920aea3d79287d59c8120865
humanhash: artist-four-ceiling-snake
File name:kx7pQ9mR2nL
Download: download sample
Signature Mirai
Create hunting rule
File size:116'760 bytes
First seen:2026-10-17 05:37:47 UTC
Last seen:2026-10-17 06:31:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:nLvBS2YJyYc8OSnsNOT5asRa8p3Md5gX7:nLvsJh1qo8J8p3MdGX7
TLSH T161B30796FE82CC52C9D438BAFA1E85DC3343076CC6EE7802DE159F2465DF5990E3AA44
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 :
2
# of downloads :
90
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10056451-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm rust
Link:
https://www.filescan.io/uploads/6ad309ce7e11cecc0ba99d35/reports/752a1908-5550-4797-b1b7-2655c66b8596/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b9a459e0d64a87b584a0c78f098a349792f1623e976fe40722003c59180a6cf2
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-17T01:34:00Z UTC
Last seen:
2026-10-18T17:52:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b9a459e0d64a87b584a0c78f098a349792f1623e976fe40722003c59180a6cf2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ca2dd4c1-3cd7-4b55-a92e-c3ed9bc50a13
Behavior Graph:
Download SVG
%3 guuid=769b3b53-1a00-0000-c266-c6c2b3080000 pid=2227 /usr/bin/sudo guuid=eb19be55-1a00-0000-c266-c6c2ba080000 pid=2234 /tmp/sample.bin guuid=769b3b53-1a00-0000-c266-c6c2b3080000 pid=2227->guuid=eb19be55-1a00-0000-c266-c6c2ba080000 pid=2234 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0ee7cdbb-2947-4d24-b56e-df97d46b29e4
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1988308
Signature
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1988308 Sample: kx7pQ9mR2nL.elf Startdate: 17/10/2026 Architecture: LINUX Score: 68 58 9.9.9.9, 80 QUAD9-AS-1-Quad9US United States 2->58 60 8.8.4.4, 80 GOOGLE-GoogleLLCUS United States 2->60 62 3 other IPs or domains 2->62 64 Multi AV Scanner detection for submitted file 2->64 11 kx7pQ9mR2nL.elf 2->11         started        13 systemd systemd-update 2->13         started        15 systemd systemd-update 2->15         started        17 2 other processes 2->17 signatures3 process4 process5 19 kx7pQ9mR2nL.elf 11->19         started        21 systemd-update 13->21         started        23 systemd-update 15->23         started        process6 25 kx7pQ9mR2nL.elf 19->25         started        29 systemd-update 21->29         started        31 systemd-update 23->31         started        file7 50 /var/spool/cron/root, ASCII 25->50 dropped 52 /var/spool/cron/crontabs/root, ASCII 25->52 dropped 54 /usr/lib/systemd/systemd-update, ELF 25->54 dropped 56 6 other malicious files 25->56 dropped 68 Sample tries to set files in /etc globally writable 25->68 70 Sample tries to persist itself using /etc/profile 25->70 72 Drops files in suspicious directories 25->72 74 2 other signatures 25->74 33 kx7pQ9mR2nL.elf sh 25->33         started        35 kx7pQ9mR2nL.elf sh 25->35         started        37 kx7pQ9mR2nL.elf sh 25->37         started        39 kx7pQ9mR2nL.elf sh 25->39         started        signatures8 process9 process10 41 sh update-rc.d 33->41         started        44 sh systemctl 35->44         started        46 sh systemctl 37->46         started        signatures11 66 Sample tries to persist itself using System V runlevels 41->66 48 update-rc.d systemctl 41->48         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9a459e0d64a87b584a0c78f098a349792f1623e976fe40722003c59180a6cf2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9a459e0d64a87b584a0c78f098a349792f1623e976fe40722003c59180a6cf2/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-10-17 05:13:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgsftygwjkd3lbfay6hqtcrus6jpcyr6s5x6ibzcaa6fsgakntza._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/261017-gbve6sh17p/
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
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/b9a459e0d64a87b584a0c78f098a349792f1623e976fe40722003c59180a6cf2

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:golang
Create hunting rule
Rule name:LIN_Malware_Unknown_ForgeAuto_0daebbb8
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (elf, etat binaire)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b9a459e0d64a87b584a0c78f098a349792f1623e976fe40722003c59180a6cf2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3951165/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3951168/

Comments