MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f330938c57041f14a43f3a2e5173fd163b23cbf72e5ea9c8a3d115e6512a3d6. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f330938c57041f14a43f3a2e5173fd163b23cbf72e5ea9c8a3d115e6512a3d6
SHA3-384 hash: b2735c9ef29e91ba5d13241e36873f0d797cfd8029648adba494d3e9c29a3387e07a46f304354af26d9068437279f0ac
SHA1 hash: 02c4c17d8c98ec22645548cc74f21dd0065fe1cd
MD5 hash: 8d8e444e200ec8dc23671a26846b1a44
humanhash: fix-fillet-princess-wyoming
File name:arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:79'164 bytes
First seen:2026-02-11 00:16:01 UTC
Last seen:2026-02-11 08:49:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:huaxQ6nO0L3hoqIx1SSdNU9GDSe432zWx4t0Fpd:huaxQ6ndL3ThSdtDSczS4e
TLSH T1E4733A46BD819612CAC113B7FB1E01CD372663E8D2EE32139D25AF21378696F0D7B652
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 :
84
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/ea8dbfc2-e2d0-4e1a-ba90-0d0f9c9a5bea/
Detection(s):
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-7540663-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash lolbin mirai obfuscated rust
Link:
https://www.filescan.io/uploads/698bca51981ff1d38a50a16f/reports/48d6fccb-ef26-4a80-9e75-e54fd395b557/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
6
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4f330938c57041f14a43f3a2e5173fd163b23cbf72e5ea9c8a3d115e6512a3d6
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ez HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/4f330938c57041f14a43f3a2e5173fd163b23cbf72e5ea9c8a3d115e6512a3d6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3fb7ba22-b406-400d-8158-5300ac3cd199
Behavior Graph:
Download SVG
%3 guuid=f8ed3f4c-1900-0000-5834-2dfa5c0c0000 pid=3164 /usr/bin/sudo guuid=260f674e-1900-0000-5834-2dfa5f0c0000 pid=3167 /tmp/sample.bin guuid=f8ed3f4c-1900-0000-5834-2dfa5c0c0000 pid=3164->guuid=260f674e-1900-0000-5834-2dfa5f0c0000 pid=3167 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fc917d5d-0154-4223-872c-3bfc140c4fb1
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1867086
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected Mirai
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1867086 Sample: arm5.elf Startdate: 11/02/2026 Architecture: LINUX Score: 100 40 js.zianxn.qzz.io 103.43.8.15, 55650, 57510 HKNEWCLOUD-AS-APHKNEWCLOUDTECHNOLOGYLIMITEDHK Hong Kong 2->40 42 169.254.169.254, 80 USDOSUS Reserved 2->42 44 3 other IPs or domains 2->44 46 Suricata IDS alerts for network traffic 2->46 48 Antivirus detection for dropped file 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 3 other signatures 2->52 8 arm5.elf wwwwwwwwwwww 2->8         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 file5 36 /tmp/wwwwwwwwwwww, ELF 8->36 dropped 38 /etc/rc.local, POSIX 8->38 dropped 56 Sample deletes itself 8->56 58 Sample tries to persist itself using System V runlevels 8->58 18 wwwwwwwwwwww sh 8->18         started        20 arm5.elf 8->20         started        23 wwwwwwwwwwww sh 8->23         started        25 5 other processes 8->25 signatures6 process7 signatures8 27 sh chmod 18->27         started        54 Sample deletes itself 20->54 30 sh systemctl 23->30         started        32 sh systemctl 25->32         started        34 sh systemctl 25->34         started        process9 signatures10 60 Sample tries to set files in /etc globally writable 27->60
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4f330938c57041f14a43f3a2e5173fd163b23cbf72e5ea9c8a3d115e6512a3d6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f330938c57041f14a43f3a2e5173fd163b23cbf72e5ea9c8a3d115e6512a3d6/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4f330938c57041f14a43f3a2e5173fd163b23cbf72e5ea9c8a3d115e6512a3d6
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-11 00:16:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4zqsogfoba7cssd6orokfz72fr3epf7ols6vhekhuiv4zisupla._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai
Link:
https://tria.ge/reports/260211-akk5jact8f/
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/4f330938c57041f14a43f3a2e5173fd163b23cbf72e5ea9c8a3d115e6512a3d6

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 4f330938c57041f14a43f3a2e5173fd163b23cbf72e5ea9c8a3d115e6512a3d6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3760110/
  
Delivery method
Distributed via web download

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