MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c334fb5ebd3dd4b89c69e47bbd6c36704672c46a5c59cff49a97c93fe50ae05f. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c334fb5ebd3dd4b89c69e47bbd6c36704672c46a5c59cff49a97c93fe50ae05f
SHA3-384 hash: cf053b4dac8944b7caf2c46220a1e5484c624ab41e612a99ade1277c6d1e7af1efa00b1baf112e45caabeb51b83d2254
SHA1 hash: 02fc732ed08f458b820ed373081106643e348595
MD5 hash: 2d23c564c523f18d9179d2ccd84d5567
humanhash: sad-yellow-one-papa
File name:hydra.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:1'600'416 bytes
First seen:2026-02-26 19:27:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:T5xy44e9837paXUxSCA7tpnDAtJCZX6knFxPGghu6EmU8:dxF4em37paExSCyDDVF8ghu6f
TLSH T1CE759E47F76764BEC226C13146ABC7225237F8BA11126E3B6594F1342EB3EA41F06F16
telfhash t1290189304b31a5125ba1de88acdea723622cc65b8a4cbd73d432800c21090fed53bc4f
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 :
43
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30419.LX.M0Z.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-7135928-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136070-0
Create hunting rule

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

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

Unix.Trojan.Mirai-5678467-0
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c334fb5ebd3dd4b89c69e47bbd6c36704672c46a5c59cff49a97c93fe50ae05f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
Link:
https://opentip.kaspersky.com/c334fb5ebd3dd4b89c69e47bbd6c36704672c46a5c59cff49a97c93fe50ae05f/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/93e14335-a152-4bae-87e8-238c192b2e71
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1875577
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is potentially a Mirai botnet sample
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1875577 Sample: hydra.x86.elf Startdate: 26/02/2026 Architecture: LINUX Score: 96 46 186.194.84.248, 23 SOFTLAYERUS Brazil 2->46 48 19.251.227.70, 23 MIT-GATEWAYSUS United States 2->48 50 8 other IPs or domains 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected Mirai 2->56 58 Sample is potentially a Mirai botnet sample 2->58 10 hydra.x86.elf 2->10         started        13 systemd snapd-env-generator 2->13         started        15 dash rm 2->15         started        17 dash rm 2->17         started        signatures3 process4 signatures5 60 Sample deletes itself 10->60 19 hydra.x86.elf 10->19         started        process6 process7 21 hydra.x86.elf sh 19->21         started        23 hydra.x86.elf sh 19->23         started        25 hydra.x86.elf sh 19->25         started        29 4 other processes 19->29 file8 31 sh chmod 21->31         started        34 sh chmod 23->34         started        40 /var/spool/cron/crontabs/root, ASCII 25->40 dropped 62 Sample tries to persist itself using cron 25->62 42 /etc/rc.local, ASCII 29->42 dropped 44 /etc/init.d/ssh_persist, POSIX 29->44 dropped 64 Drops files in suspicious directories 29->64 66 Sample tries to persist itself using System V runlevels 29->66 36 sh update-rc.d 29->36         started        signatures9 process10 signatures11 68 Sample tries to set files in /etc globally writable 31->68 38 update-rc.d systemctl 36->38         started        process12
Score:
51%
Verdict:
Susipicious
File Type:
ELF
Link:
https://malprob.io/report/c334fb5ebd3dd4b89c69e47bbd6c36704672c46a5c59cff49a97c93fe50ae05f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c334fb5ebd3dd4b89c69e47bbd6c36704672c46a5c59cff49a97c93fe50ae05f/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-26 19:28:34 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ym2pwxv5hxklrhdj4r5323bwobdhfrdklrm475e2s7et7zik4bpq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260226-x6rkrsdv5f/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Modifies init.d
Modifies rc script
File and Directory Permissions Modification
Deletes itself
Modifies Watchdog functionality
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c334fb5ebd3d/report/overview.html
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/c334fb5ebd3dd4b89c69e47bbd6c36704672c46a5c59cff49a97c93fe50ae05f

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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:malwareelf55503
Create hunting rule
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: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 c334fb5ebd3dd4b89c69e47bbd6c36704672c46a5c59cff49a97c93fe50ae05f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3779889/
  
Delivery method
Distributed via web download

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