MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b47d8c0e507c628e531595d6deee3feb911409e1120f9ae49e0b9ca104b5f8b8. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b47d8c0e507c628e531595d6deee3feb911409e1120f9ae49e0b9ca104b5f8b8
SHA3-384 hash: d128336c87e00956ced17a6b859f731587f1af5f937c0f301b1656bb49dfb44ba47e0d77ea527b031c51672ecab72c5f
SHA1 hash: 9a5da4444cd800e02f6662badde18732126c756f
MD5 hash: 81ddc90ca7fcc5c7ff1526e10f187d2f
humanhash: minnesota-triple-autumn-happy
File name:i486
Download: download sample
Signature Mirai
Create hunting rule
File size:87'328 bytes
First seen:2025-07-21 16:30:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zoiSBK0Eltq7arfSsGKP28RBocLH2EhYlzuUR31Q/7Hh4oJ1vr:z3SuZrfSsteRcDCtuD5JR
TLSH T14C834B86F743E1F0ED690AB0016BF77D9635EE224124DE6DEB84BDB1DE22601A51B31C
telfhash t11431d3fb0eee04e8b7d54801831e1b72995da53b6150369107b3a96437d3ad2d0e9c39
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 :
18
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Kills processes
Sets a written file as executable
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
Kills critical processes
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
125
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b47d8c0e507c628e531595d6deee3feb911409e1120f9ae49e0b9ca104b5f8b8
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d0284f54-cc28-463b-859e-daaa5df0f163
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1741398
Signature
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1741398 Sample: i486.elf Startdate: 21/07/2025 Architecture: LINUX Score: 68 29 89.116.20.194, 7074 LRTC-ASLT Lithuania 2->29 31 109.202.202.202, 80 INIT7CH Switzerland 2->31 33 3 other IPs or domains 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 9 i486.elf 2->9         started        11 systemd journalctl 2->11         started        13 systemd systemd-journald 2->13         started        15 22 other processes 2->15 signatures3 process4 process5 17 i486.elf 9->17         started        process6 19 i486.elf 17->19         started        file7 25 /var/main, ELF 19->25 dropped 27 /etc/init.d/xs.main, POSIX 19->27 dropped 39 Sample tries to set files in /etc globally writable 19->39 41 Drops files in suspicious directories 19->41 43 Sample deletes itself 19->43 23 i486.elf 19->23         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b47d8c0e507c628e531595d6deee3feb911409e1120f9ae49e0b9ca104b5f8b8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b47d8c0e507c628e531595d6deee3feb911409e1120f9ae49e0b9ca104b5f8b8/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-21 16:30:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wr6yydsqprri4uyvsxln53r75oiricpbcihzvze6bookcbfv7c4a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux persistence
Link:
https://tria.ge/reports/250721-tz4d7svyas/
Behaviour
Reads runtime system information
Changes its process name
Modifies init.d
Deletes itself
Verdict:
Unknown
Tags:
trojan mirai
YARA:
Linux_Trojan_Mirai_3a56423b
Link:
https://app.threat.zone/submission/da39116d-562c-4d25-8765-d267b125f613
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/b47d8c0e507c628e531595d6deee3feb911409e1120f9ae49e0b9ca104b5f8b8

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_3a56423b
Create hunting rule
Author:Elastic Security
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 b47d8c0e507c628e531595d6deee3feb911409e1120f9ae49e0b9ca104b5f8b8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3587307/
  
Delivery method
Distributed via web download

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