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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a276c16fb99e65ea4c21a5464cf8408a2fbfc4e30c61a2e09bf37d40b1eb479. 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


FlyLegitBot


Vendor detections: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a276c16fb99e65ea4c21a5464cf8408a2fbfc4e30c61a2e09bf37d40b1eb479
SHA3-384 hash: b52375e9ace0eb9ec99e8e3500c68e91134e7f9357018b3ba50ba2d979c26b8a7ec157f7b0b195d9247cc94beca5ae9e
SHA1 hash: f1eaa1db25d5fb36504cdc1d91c661031611d3b2
MD5 hash: 2e1d724b4dc7fb93d57e298e6d16ff96
humanhash: august-avocado-cold-mississippi
File name:waternetwork.armv7l
Download: download sample
Signature FlyLegitBot
Create hunting rule
File size:104'956 bytes
First seen:2026-10-21 16:17:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:wgvU6ZSg4ZMXLZHha1eWmA0UPRDNcH15h6:wgvNZ8MXtBaQWmA0UJ85h6
TLSH T1B0A3E60AFD419F01D49735FAFB9F025432936BA8E3F97101DA246F6123C6A9B0F76612
Magika elf
Reporter abuse_ch
Tags:elf FlyLegitBot mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Launching a process
Manages services
Sets a written file as executable
Creating a file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8a276c16fb99e65ea4c21a5464cf8408a2fbfc4e30c61a2e09bf37d40b1eb479
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-10-21T14:20:00Z UTC
Last seen:
2026-10-21T16:10:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8a276c16fb99e65ea4c21a5464cf8408a2fbfc4e30c61a2e09bf37d40b1eb479/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bf819c0a-1c04-4d27-b886-e91bfea32a86
Behavior Graph:
Download SVG
%3 guuid=aab09d94-1a00-0000-43e5-540068080000 pid=2152 /usr/bin/sudo guuid=e61cea98-1a00-0000-43e5-54006c080000 pid=2156 /tmp/sample.bin guuid=aab09d94-1a00-0000-43e5-540068080000 pid=2152->guuid=e61cea98-1a00-0000-43e5-54006c080000 pid=2156 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d4f54162-871a-4e75-923f-2707563cd643
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1990181
Signature
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample deletes itself
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1990181 Sample: waternetwork.armv7l.elf Startdate: 21/10/2026 Architecture: LINUX Score: 68 38 5.175.222.236, 777 RYZEHOSTINGAT Netherlands 2->38 40 151.101.130.49, 36012, 443 FASTLY-FastlyIncUS Canada 2->40 42 daisy.ubuntu.com 2->42 44 Multi AV Scanner detection for submitted file 2->44 10 waternetwork.armv7l.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 process5 18 waternetwork.armv7l.elf 10->18         started        process6 20 waternetwork.armv7l.elf 18->20         started        file7 32 /usr/bin/flylegit, ELF 20->32 dropped 34 /etc/rc.local, ASCII 20->34 dropped 36 /etc/cron.d/waternetwork, ASCII 20->36 dropped 46 Sample tries to set files in /etc globally writable 20->46 48 Drops files in suspicious directories 20->48 50 Sample deletes itself 20->50 52 2 other signatures 20->52 24 waternetwork.armv7l.elf sh 20->24         started        26 waternetwork.armv7l.elf sh 20->26         started        signatures8 process9 process10 28 sh systemctl 24->28         started        30 sh systemctl 26->30         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8a276c16fb99e65ea4c21a5464cf8408a2fbfc4e30c61a2e09bf37d40b1eb479
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a276c16fb99e65ea4c21a5464cf8408a2fbfc4e30c61a2e09bf37d40b1eb479/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2026-10-21 16:18:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ritwyfx3thtf5jgcdjkgjt4ebcrpx7cogddbulqjx435icy6wr4q._file
Result
Malware family:
flylegitbot
Create hunting rule
Score:
  10/10
Tags:
family:flylegitbot botnet discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/261021-trk8natwds/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Modifies rc script
Modifies systemd
Write file to user bin folder
Deletes itself
Detects FlyLegitBot
Family: FlyLegitBot
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/8a276c16fb99e65ea4c21a5464cf8408a2fbfc4e30c61a2e09bf37d40b1eb479

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:ELF_Packer_Dropper_Fileless_Armhf
Create hunting rule
Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MIRAI_TELNETCURL_payload
Create hunting rule
Author:AfterPacket
Description:Mirai-lineage ELF payload carrying the leaked-source decoy domain
Reference:https://github.com/Afterpacket/drosera-threat-intel
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

FlyLegitBot

elf 8a276c16fb99e65ea4c21a5464cf8408a2fbfc4e30c61a2e09bf37d40b1eb479

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3955038/
  
Delivery method
Distributed via web download

Comments