MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f66c5b09c71ca78bb0efbf562654b790cfa5832a285aeefd0c80efbd754a1391. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f66c5b09c71ca78bb0efbf562654b790cfa5832a285aeefd0c80efbd754a1391
SHA3-384 hash: e256c33ffadad9d20ecfca79cbedb6dc1a29c277fe711bb8c72cd132fef1addc0f3ab5586dc1250aa2af01d656cf48f9
SHA1 hash: 1af87c07c78eea08dd7519727dc77c457a165a43
MD5 hash: 5228c18e6cb93a267804ca9ab581e616
humanhash: enemy-twenty-ohio-india
File name:f66c5b09c71ca78bb0efbf562654b790cfa5832a285aeefd0c80efbd754a1391.elf
Download: download sample
Signature Mirai
Create hunting rule
File size:222'048 bytes
First seen:2026-08-13 19:04:04 UTC
Last seen:2026-08-15 01:20:47 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:moYUqL9fi4frETmrCiR2hZfri50aYY+XBYukm:mojuLfrETmrCwm1um
TLSH T1AE24A55E6E328F7EF668C73447B74B30976D23D626E1D694E1ACC1102E2035E641FBA8
telfhash t1b04190180a7817f0a6756d5e04ddff66d6a330db7e166c238e21e86eeb69b435d10c0c
Magika elf
Reporter whack_sh
Tags:elf exe mirai whack.sh
File size (compressed) :71'836 bytes
File size (de-compressed) :222'048 bytes
Format:linux/mips
Packed file: 8edbfc6979fddbb9e65748ad45293732de87d4bb1e6437412f3335258f1045ea

Intelligence

File Origin
# of uploads :
2
# of downloads :
122
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.DDoS.2637.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Trojan.Mirai-10060415-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Manages services
Runs as daemon
Kills processes
Locks files
Launching a process
Deletes a file
Kills critical processes
Substitutes an application name
Writes symbolic links to system directory
Writes files to system directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin mirai
Link:
https://www.filescan.io/uploads/6a7e153c775f997f28c1d6f1/reports/5f8ffc09-d198-4b58-9e21-67a09d4f87d7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
82
Number of processes launched:
30
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/f66c5b09c71ca78bb0efbf562654b790cfa5832a285aeefd0c80efbd754a1391
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-13T17:13:00Z UTC
Last seen:
2026-08-14T00:49:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f66c5b09c71ca78bb0efbf562654b790cfa5832a285aeefd0c80efbd754a1391/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/090072db-6b51-46c5-a8fd-4befe16512aa
Behavior Graph:
Download SVG
%3 guuid=b14a4bcb-1600-0000-4455-cf584d0d0000 pid=3405 /usr/bin/sudo guuid=0c1db8cd-1600-0000-4455-cf584e0d0000 pid=3406 /tmp/sample.bin guuid=b14a4bcb-1600-0000-4455-cf584d0d0000 pid=3405->guuid=0c1db8cd-1600-0000-4455-cf584e0d0000 pid=3406 execve guuid=23f28bcf-1600-0000-4455-cf58500d0000 pid=3408 /usr/bin/dash guuid=0c1db8cd-1600-0000-4455-cf584e0d0000 pid=3406->guuid=23f28bcf-1600-0000-4455-cf58500d0000 pid=3408 clone guuid=7facc1cf-1600-0000-4455-cf58510d0000 pid=3409 /usr/bin/dash guuid=0c1db8cd-1600-0000-4455-cf584e0d0000 pid=3406->guuid=7facc1cf-1600-0000-4455-cf58510d0000 pid=3409 clone guuid=2274eacf-1600-0000-4455-cf58530d0000 pid=3411 /usr/bin/dash guuid=0c1db8cd-1600-0000-4455-cf584e0d0000 pid=3406->guuid=2274eacf-1600-0000-4455-cf58530d0000 pid=3411 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7965d3d1-221a-4ae6-8178-dd4205b286da
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f66c5b09c71ca78bb0efbf562654b790cfa5832a285aeefd0c80efbd754a1391
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f66c5b09c71ca78bb0efbf562654b790cfa5832a285aeefd0c80efbd754a1391/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-13 19:04:34 UTC
File Type:
ELF32 Big (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6zwfwcohdstyxmhpx5lcmvfxsdh2lazkfbno57imqdx325kkcoiq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery
Link:
https://tria.ge/reports/260813-xq538awhna/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Checks CPU configuration
Deletes log files
Disables SELinux
Enumerates running processes
Indicator Removal: Clear Command History
Deletes itself
Deletes system logs
Disables AppArmor Mandatory Access Control
Flushes firewall rules
Modifies the /etc/hosts DNS resolution file
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/f66c5b09c71ca78bb0efbf562654b790cfa5832a285aeefd0c80efbd754a1391

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:test_rule_vldslv
Create hunting rule
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
Rule name:virustotal
Create hunting rule
Author:Tracel

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf f66c5b09c71ca78bb0efbf562654b790cfa5832a285aeefd0c80efbd754a1391

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3893655/

Comments