MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c5b939bbd442decde09e877bdc79a11f75d03d4d315fcb3a0e4a10e6f91e8fb. 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: 10


Intelligence 10 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c5b939bbd442decde09e877bdc79a11f75d03d4d315fcb3a0e4a10e6f91e8fb
SHA3-384 hash: 9424763fa78dc0f655b2e539e021501e1c870b12a24fa5651468857469e710e0eb0b342c282a0a784efb4077ad5ab9e3
SHA1 hash: e8e4e623278feb9f79a4907f0e64015669118252
MD5 hash: cb906ffba3a4611efdbd8f22d4280fab
humanhash: coffee-river-white-apart
File name:i686
Download: download sample
Signature Mirai
Create hunting rule
File size:41'840 bytes
First seen:2026-04-01 14:21:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:x73jOIDzzrq7WiEu+RiUjrejEx63a7x2Rq1z7yvEdTpKMxn:FjOAzwvEuP4ajEgwKkWItKKn
TLSH T1D51349C59A43C0F1EC1112F110779B519FB2A436AA79FB47E7A93A32FC02B1196173AD
telfhash t13d21b4e07e670dec7691a84ccb1a67d33b5ac5a7562228f484fa7a4a3bf31159432432
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 BlinkzSec
Tags:mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
Origin country :
GB GB
Vendor Threat Intelligence
Gathering data
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28920.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135965-0
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
45
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
2323,37215,23
Full report:
https://elfdigest.com/brief/4c5b939bbd442decde09e877bdc79a11f75d03d4d315fcb3a0e4a10e6f91e8fb
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ad93e35b-3203-488f-a50a-2b8506a22083
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4c5b939bbd442decde09e877bdc79a11f75d03d4d315fcb3a0e4a10e6f91e8fb
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c5b939bbd442decde09e877bdc79a11f75d03d4d315fcb3a0e4a10e6f91e8fb/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4c5b939bbd442decde09e877bdc79a11f75d03d4d315fcb3a0e4a10e6f91e8fb
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-04-01 14:01:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrnzhg55iqw6zxqj5b333r42ch3v2a6u2mk7zm5a4sqq434r5d5q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery linux
Link:
https://tria.ge/reports/260401-rpqdgsgt51/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (113087) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4c5b939bbd442decde09e877bdc79a11f75d03d4d315fcb3a0e4a10e6f91e8fb

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_95e0056c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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: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 4c5b939bbd442decde09e877bdc79a11f75d03d4d315fcb3a0e4a10e6f91e8fb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3809884/
  
Delivery method
Distributed via web download

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