MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca75aa84821ab28adae9c0ccb6fd5cf318ea38c3f26984027e2e3e8b2e23303a. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca75aa84821ab28adae9c0ccb6fd5cf318ea38c3f26984027e2e3e8b2e23303a
SHA3-384 hash: 83469ebe3af4b537059a03c9ac788e83e3b928a1cb11ea7a01969edfce29e4b7f756360cb00bdfd507ad6c2cd9e4f4e3
SHA1 hash: 4e0faabdf75d271f2f8e338d0531e87a8093a748
MD5 hash: 456588c3b2acf72a7e111e0e7274a19f
humanhash: delaware-tennessee-berlin-twelve
File name:tuxnokill.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:97'184 bytes
First seen:2026-03-19 02:33:40 UTC
Last seen:2026-03-19 17:21:18 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:dU/ApPbiCso/2aQzS+tLWxEuZ9Gi1nhiL5/ALe/N/fueDvYrwO9XPztpZuyOv32:dUY1bi/fS6Ipxg+K9fueDANVUG
TLSH T1F0933985BC41AA22C6C156BBFF6F018D371613A8D2EA3207CD295F6137CB81B0E77656
telfhash t18e01ce5b8f0d5fdca7e51c4094df650b3b60f8797b56184119d41e4bc1072d6bc28526
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 :
3
# of downloads :
96
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/71c546ef-fa1f-43fb-aea0-56a2819e6cf5/
Detection(s):
Sanesecurity.Malware.29504.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai.9774.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Gathering data
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:
2
Processes remaning?
true
Remote TCP ports scanned:
2323,23
Full report:
https://elfdigest.com/brief/ca75aa84821ab28adae9c0ccb6fd5cf318ea38c3f26984027e2e3e8b2e23303a
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/ca75aa84821ab28adae9c0ccb6fd5cf318ea38c3f26984027e2e3e8b2e23303a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a41dfb3a-716c-4bf2-9772-07dd304adbf2
Behavior Graph:
Download SVG
%3 guuid=d302b008-1a00-0000-e6c7-d819090c0000 pid=3081 /usr/bin/sudo guuid=6517c90a-1a00-0000-e6c7-d8190d0c0000 pid=3085 /tmp/sample.bin guuid=d302b008-1a00-0000-e6c7-d819090c0000 pid=3081->guuid=6517c90a-1a00-0000-e6c7-d8190d0c0000 pid=3085 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5a2917d5-363f-4802-aa36-961e019d65db
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1886091
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: 1886091 Sample: tuxnokill.arm.elf Startdate: 19/03/2026 Architecture: LINUX Score: 72 18 65.107.173.52, 23 XO-AS15US United States 2->18 20 13.25.235.197, 23 XEROX-WVUS United States 2->20 22 98 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 tuxnokill.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 tuxnokill.arm.elf 8->14         started        process6 16 tuxnokill.arm.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ca75aa84821ab28adae9c0ccb6fd5cf318ea38c3f26984027e2e3e8b2e23303a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca75aa84821ab28adae9c0ccb6fd5cf318ea38c3f26984027e2e3e8b2e23303a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-19 02:34:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zj22vbecdkzivwxjydgln7k46mmouogd6juyiat6fy7iwlrdga5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260319-c2jn5sgx7r/
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/ca75aa84821ab28adae9c0ccb6fd5cf318ea38c3f26984027e2e3e8b2e23303a

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: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

File information

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

Web download

Mirai

elf ca75aa84821ab28adae9c0ccb6fd5cf318ea38c3f26984027e2e3e8b2e23303a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3797438/
  
Delivery method
Distributed via web download

Comments