MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f7c33e36a86daeecc7f465caae0492c7da4bf697eaf38e1bc11dc9c15cec142. 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: 12


Intelligence 12 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f7c33e36a86daeecc7f465caae0492c7da4bf697eaf38e1bc11dc9c15cec142
SHA3-384 hash: a0ddf6ac8f674d0c46fbcaca85f16e570ddebe9e42b459c738bbe041b29b42aa865ca661aaa439c3e2d66be6943338f3
SHA1 hash: 52a2c31f0c43d111761fffbe77f270ee561a8cb3
MD5 hash: 20b44b077cad4f41bf448ae7db8244c5
humanhash: eight-massachusetts-april-quebec
File name:kaizen.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:252'117 bytes
First seen:2026-08-27 10:02:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:AaKDw6e94AuwuuB1KVad2gPy5MDud4HaBkb2mvQJKx/6F2eaY5y4KDOHRrLDVgJU:RKDw6e9hun9Vad2gPy5MDud4HaBkb2mI
TLSH T1DF344C46BD808E13C5D527BAB6AF414E3332A768D3DBB2068D186F74378766E0E77205
telfhash t1e84156a10f5b65351b18cbac84d9739984acb351d642cf22ef18846c613988fe8adf0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f96bc3c4-72f0-45ef-9e78-13ce4ff64409/
Detection(s):
Sanesecurity.Malware.29502.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Trojan.Mirai-7135981-0
Create hunting rule

Unix.Trojan.Mirai-7135982-0
Create hunting rule

Unix.Dropper.Mirai-7135987-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

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

YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Changes the time when the file was created, accessed, or modified
Connection attempt
Runs as daemon
Kills processes
Sends data to a server
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite dropper gcc masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/6a900b61901aecba58024e62/reports/d57f9d24-8ebe-483c-9cae-c9e69bb67370/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
8080,80,2323,23
Full report:
https://elfdigest.com/brief/4f7c33e36a86daeecc7f465caae0492c7da4bf697eaf38e1bc11dc9c15cec142
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-13T06:37:00Z UTC
Last seen:
2026-08-13T07:19:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4f7c33e36a86daeecc7f465caae0492c7da4bf697eaf38e1bc11dc9c15cec142/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fc17be1a-dca6-4c56-a5f5-e999b5bbf23d
Behavior Graph:
Download SVG
%3 guuid=71b1c5a1-1900-0000-499e-277459080000 pid=2137 /usr/bin/sudo guuid=29c3b5a3-1900-0000-499e-27745f080000 pid=2143 /tmp/sample.bin guuid=71b1c5a1-1900-0000-499e-277459080000 pid=2137->guuid=29c3b5a3-1900-0000-499e-27745f080000 pid=2143 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bcd8da0e-2b5b-4e88-bc5c-46362ccf2169
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4f7c33e36a86daeecc7f465caae0492c7da4bf697eaf38e1bc11dc9c15cec142
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f7c33e36a86daeecc7f465caae0492c7da4bf697eaf38e1bc11dc9c15cec142/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-13 05:32:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j56dhy3kq3no5td7izokvycjfr62jp3jp2xtryn4chojyfooyfba._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:omni botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260827-l3ftbasfmg/
Behaviour
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Modifies rc script
Write file to user bin folder
Deletes itself
Modifies Watchdog functionality
Contacts a large (1049103) amount of remote hosts
Creates a large amount of network flows
Family: Mirai
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:iot_req_metachar
Create hunting rule
Rule name:Linux_Exploit_CVE_2017_17215_8b78a857
Create hunting rule
Author:Elastic Security
Description:Exploit code used in the ZeroBot malware
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_0ea505fa
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
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:testlumma
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

File information

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

Web download

Mirai

elf 4f7c33e36a86daeecc7f465caae0492c7da4bf697eaf38e1bc11dc9c15cec142

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3908781/
  
Delivery method
Distributed via web download

Comments