MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25a21c6cff4e75a9ff8284ca6dddc71b1c3799b726d94b29ed82dbed0df6a0aa. 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 7 File information Comments

SHA256 hash: 25a21c6cff4e75a9ff8284ca6dddc71b1c3799b726d94b29ed82dbed0df6a0aa
SHA3-384 hash: f2eb452a5f6f3d7f518a7056013072e31145a4056e477685a596d5ebe2dcaa3a56ec0d6082d704f006285d896d8d3bc4
SHA1 hash: a04c865d1a60ad65f51fdca754b7a403d5abb8ea
MD5 hash: a36b3de32590e9bf630bfaaab2acbe55
humanhash: nevada-hotel-neptune-oscar
File name:bin.mips
Download: download sample
Signature Mirai
File size:117'252 bytes
First seen:2026-05-22 00:41:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZksWRvitTUjcND+gxEzTSzplebJiK3ZRthUa2oe5CrePQPbnYWPqXL:r4vitG+wzTLh3jthUaFe5CJnY7b
TLSH T136B3D90B6E218FADF369823547B38F21979923D627E1D685E2ACD5001F6034E645FFE8
telfhash t12f21931c4c3423f087710c9e6aedfb76e1a070df46266d338e14e86daa6d8418d01c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
52
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Connection attempt
Runs as daemon
Traces processes
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash botnet lolbin masquerade
Verdict:
Malicious
File Type:
elf.32.be
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=cbd7f5d1-1600-0000-8ea1-e094400f0000 pid=3904 /usr/bin/sudo guuid=295a4dd4-1600-0000-8ea1-e094420f0000 pid=3906 /tmp/sample.bin guuid=cbd7f5d1-1600-0000-8ea1-e094400f0000 pid=3904->guuid=295a4dd4-1600-0000-8ea1-e094420f0000 pid=3906 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-05-22 00:42:41 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads process memory
Enumerates running processes
Traces itself
Unexpected DNS network traffic destination
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 25a21c6cff4e75a9ff8284ca6dddc71b1c3799b726d94b29ed82dbed0df6a0aa

(this sample)

  
Delivery method
Distributed via web download

Comments