MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21ff453e9ccccde761ea72c8d8df756e1bad5127beafd1bd5ce13a83b748e3cb. 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: 13


Intelligence 13 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21ff453e9ccccde761ea72c8d8df756e1bad5127beafd1bd5ce13a83b748e3cb
SHA3-384 hash: de267f568018d552c917686d670c94983d315b7b408009d954666db7c03eefc4568c4de2d2ac10aeb78ad35bab23b6e3
SHA1 hash: 657a05afed2d0e20ca1f403fa401702f935abbd9
MD5 hash: b49d11038e9624bdd41251b3ca94b5f8
humanhash: three-crazy-rugby-stairway
File name:xd.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:83'255 bytes
First seen:2026-02-12 06:32:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:2WIPlSxqJtlAkkFk2OedjTKnhvpUA7CRK4dMraIn9X:xIPNJnrkFkJedPovr+RKAM+MX
TLSH T10F830A07A98086FEC1C5D6B813FB6536C423F87D173B7296B3D8BE5A2E05E901E1D249
telfhash t10c11bd714b30a625a955d9a488ed6362552d83176749fb33df31848ca4180add337d8f
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 :
38
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/d1d0b525-1d19-4d31-927c-f934d414a605/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6976991-0
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135928-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

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

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc mirai
Link:
https://www.filescan.io/uploads/698d73f7930564ff3c9be679/reports/c767e190-79d8-4be1-90fe-6a073a2a432f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/21ff453e9ccccde761ea72c8d8df756e1bad5127beafd1bd5ce13a83b748e3cb
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 94.156.152.67:9506
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-02-10T13:46:00Z UTC
Last seen:
2026-02-12T12:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/21ff453e9ccccde761ea72c8d8df756e1bad5127beafd1bd5ce13a83b748e3cb/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a1f2808c-8fa4-4527-b90b-63fa1b6e1ec2
Behavior Graph:
Download SVG
%3 guuid=d740ea9a-2500-0000-d28f-8432dd140000 pid=5341 /usr/bin/sudo guuid=4c006e9d-2500-0000-d28f-8432de140000 pid=5342 /tmp/sample.bin net guuid=d740ea9a-2500-0000-d28f-8432dd140000 pid=5341->guuid=4c006e9d-2500-0000-d28f-8432de140000 pid=5342 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=4c006e9d-2500-0000-d28f-8432de140000 pid=5342->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=252d989d-2500-0000-d28f-8432df140000 pid=5343 /tmp/sample.bin zombie guuid=4c006e9d-2500-0000-d28f-8432de140000 pid=5342->guuid=252d989d-2500-0000-d28f-8432df140000 pid=5343 clone guuid=b0369d9d-2500-0000-d28f-8432e0140000 pid=5344 /tmp/sample.bin guuid=4c006e9d-2500-0000-d28f-8432de140000 pid=5342->guuid=b0369d9d-2500-0000-d28f-8432e0140000 pid=5344 clone guuid=b730a39d-2500-0000-d28f-8432e1140000 pid=5345 /tmp/sample.bin net send-data zombie guuid=4c006e9d-2500-0000-d28f-8432de140000 pid=5342->guuid=b730a39d-2500-0000-d28f-8432e1140000 pid=5345 clone guuid=b730a39d-2500-0000-d28f-8432e1140000 pid=5345->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con fe93e9b2-1a39-5078-a02c-1880a511cda3 94.156.152.67:9506 guuid=b730a39d-2500-0000-d28f-8432e1140000 pid=5345->fe93e9b2-1a39-5078-a02c-1880a511cda3 send: 9B guuid=3b1eac9d-2500-0000-d28f-8432e2140000 pid=5346 /tmp/sample.bin guuid=b730a39d-2500-0000-d28f-8432e1140000 pid=5345->guuid=3b1eac9d-2500-0000-d28f-8432e2140000 pid=5346 clone guuid=7113b29d-2500-0000-d28f-8432e3140000 pid=5347 /tmp/sample.bin guuid=b730a39d-2500-0000-d28f-8432e1140000 pid=5345->guuid=7113b29d-2500-0000-d28f-8432e3140000 pid=5347 clone guuid=eba7b69d-2500-0000-d28f-8432e4140000 pid=5348 /tmp/sample.bin net net-scan send-data guuid=b730a39d-2500-0000-d28f-8432e1140000 pid=5345->guuid=eba7b69d-2500-0000-d28f-8432e4140000 pid=5348 clone guuid=eba7b69d-2500-0000-d28f-8432e4140000 pid=5348->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con dba16ca0-4a1f-5029-83ec-939d2e2d3eee 192.56.226.128:23 guuid=eba7b69d-2500-0000-d28f-8432e4140000 pid=5348->dba16ca0-4a1f-5029-83ec-939d2e2d3eee send: 40B 96a0a5e9-c20f-52ae-9d0c-9683a72738c2 41.225.228.132:23 guuid=eba7b69d-2500-0000-d28f-8432e4140000 pid=5348->96a0a5e9-c20f-52ae-9d0c-9683a72738c2 send: 40B guuid=eba7b69d-2500-0000-d28f-8432e4140000 pid=5348|send-data send-data to 4097 IP addresses review logs to see them all guuid=eba7b69d-2500-0000-d28f-8432e4140000 pid=5348->guuid=eba7b69d-2500-0000-d28f-8432e4140000 pid=5348|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5743da64-da44-464b-845f-2cb1b5303f1c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1868140
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1868140 Sample: xd.x86_64.elf Startdate: 12/02/2026 Architecture: LINUX Score: 84 22 178.154.189.137, 23 YANDEXRU Russian Federation 2->22 24 216.214.158.101 WINDSTREAMUS United States 2->24 26 98 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 2 other signatures 2->34 8 xd.x86_64.elf 2->8         started        signatures3 process4 process5 10 xd.x86_64.elf 8->10         started        12 xd.x86_64.elf 8->12         started        14 xd.x86_64.elf 8->14         started        process6 16 xd.x86_64.elf 10->16         started        18 xd.x86_64.elf 10->18         started        20 xd.x86_64.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21ff453e9ccccde761ea72c8d8df756e1bad5127beafd1bd5ce13a83b748e3cb
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21ff453e9ccccde761ea72c8d8df756e1bad5127beafd1bd5ce13a83b748e3cb/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-10 20:24:13 UTC
File Type:
ELF64 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eh7ukpu4ztg6oypkolenrx3vnyn22ujhx2x5dpk44e5ihn2i4pfq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Link:
https://tria.ge/reports/260212-hatb6abx4d/
Behaviour
Reads runtime system information
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (20606) amount of remote hosts
Creates a large amount of network flows
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21ff453e9ccc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/21ff453e9ccccde761ea72c8d8df756e1bad5127beafd1bd5ce13a83b748e3cb

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:elf_mirai_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

File information

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

Web download

Mirai

elf 21ff453e9ccccde761ea72c8d8df756e1bad5127beafd1bd5ce13a83b748e3cb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3776325/
  
Delivery method
Distributed via web download

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