MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0efb936f70376ba129d0e807d644acfbb7cfa842348c10c4e1bd2c645dfa69f. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c0efb936f70376ba129d0e807d644acfbb7cfa842348c10c4e1bd2c645dfa69f
SHA3-384 hash: 9ac1a1016508cd57b1e71add3efcf3ef65d4e9912e05674cc1a25521e9e7eb527d7cea496401dfcb5144634b88578744
SHA1 hash: 13c4199e9be4a50e95470a3949f9853c3c39efc4
MD5 hash: c350563a959a928a8a328d802ae02356
humanhash: neptune-nitrogen-carbon-twelve
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:196'817 bytes
First seen:2026-05-23 13:20:26 UTC
Last seen:2026-05-24 00:03:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:61eulRtQAloF1a2YESokE9phptHqoL/Kh2Xmk3/0t3:61FtNo3a2YESokE9pDf/xmkv0t3
TLSH T1B9143A46EB808A13C4C61775B6AF02453323EB64D3EB73069928BFB43F8779E4E62501
telfhash t1723141359734462e5da1cda4e8fa57b25229c7021749bb32cf76c08c54164ade63ac8f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
53
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/4acb8f0c-22b4-4bee-9107-49839819daca/
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

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

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

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

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

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

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

Unix.Dropper.Mirai-7540663-0
Create hunting rule

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

Unix.Trojan.Mirai-9760303-0
Create hunting rule

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

YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates or modifies symbolic links
Sets a written file as executable
Opens a port
DNS request
Launching a process
Runs as daemon
Receives data from a server
Manages services
Creating a file
Connection attempt
Sends data to a server
Sets a file as executable
Creates directories
Creating a process from a recently created file
Writes files to system directory
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc mirai rust
Link:
https://www.filescan.io/uploads/6a11a9a0efbd399b39c8f92a/reports/ce06db74-4dd0-4195-8337-7813919f1888/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-23T10:29:00Z UTC
Last seen:
2026-05-25T00:39:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ez
Link:
https://opentip.kaspersky.com/c0efb936f70376ba129d0e807d644acfbb7cfa842348c10c4e1bd2c645dfa69f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ac58089d-566e-4c4e-bcbc-92002d1a840f
Behavior Graph:
Download SVG
%3 guuid=4ff87eae-1800-0000-c658-4c11a1090000 pid=2465 /usr/bin/sudo guuid=f4734bb0-1800-0000-c658-4c11a8090000 pid=2472 /tmp/sample.bin guuid=4ff87eae-1800-0000-c658-4c11a1090000 pid=2465->guuid=f4734bb0-1800-0000-c658-4c11a8090000 pid=2472 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0ca262aa-b3ae-474c-9548-a00c9fd344c1
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c0efb936f70376ba129d0e807d644acfbb7cfa842348c10c4e1bd2c645dfa69f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c0efb936f70376ba129d0e807d644acfbb7cfa842348c10c4e1bd2c645dfa69f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/c0efb936f70376ba129d0e807d644acfbb7cfa842348c10c4e1bd2c645dfa69f
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-23 13:21:47 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ydx3snxxan3lueu5b2ah2zckz65xz6ueenemcdcodpjmmro7u2pq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260523-qlt2tscy6y/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Attempts to change immutable files
Modifies systemd
File and Directory Permissions Modification
Deletes itself
Executes dropped EXE
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/c0efb936f70376ba129d0e807d644acfbb7cfa842348c10c4e1bd2c645dfa69f

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_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Generic_Threat_8299c877
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: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
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 c0efb936f70376ba129d0e807d644acfbb7cfa842348c10c4e1bd2c645dfa69f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3848949/
  
Delivery method
Distributed via web download

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