MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b25a8d03b1bb7ae3d0e0850d66fb8eafbeeabd889541d1401980aea704567676. 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: 7


Intelligence 7 IOCs YARA 8 File information Comments

SHA256 hash: b25a8d03b1bb7ae3d0e0850d66fb8eafbeeabd889541d1401980aea704567676
SHA3-384 hash: 4c4632f40c69d22cb675a1b29a1e8e2b729f2274f65763b8e2d403b9c3fcbbbe080ecd167187f349b1bb964ca3417a93
SHA1 hash: 1df0f79c4ac87a4689acd6fa366c94b2447aaf3c
MD5 hash: 02ef0469e976499e326bcca0a728a7d1
humanhash: william-alpha-ceiling-seven
File name:nz.spc
Download: download sample
Signature Mirai
File size:124'416 bytes
First seen:2026-08-04 00:54:25 UTC
Last seen:2026-08-04 10:29:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:dyjL/F9rOYI9P3PKRHTceSkPr1KEpXF5F2r+FFgJnfJj2QAhwIiDlut4gPYm5kkY:UP3HI9azceJ1jzhwISgiOYOkoNKX0sks
TLSH T17DC36C22B4391E27C4E0A47A12F75366F1F657C915A8C65E7E720E8FBF112D02A07BB4
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-03T23:09:00Z UTC
Last seen:
2026-08-04T01:33:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=5e8d6a12-1b00-0000-3bdd-99c3a9090000 pid=2473 /usr/bin/sudo guuid=0ee44515-1b00-0000-3bdd-99c3af090000 pid=2479 /tmp/sample.bin guuid=5e8d6a12-1b00-0000-3bdd-99c3a9090000 pid=2473->guuid=0ee44515-1b00-0000-3bdd-99c3af090000 pid=2479 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-04 00:55:45 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet linux
Malware Config
C2 Extraction:
s3o65awrf56.net
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 b25a8d03b1bb7ae3d0e0850d66fb8eafbeeabd889541d1401980aea704567676

(this sample)

  
Delivery method
Distributed via web download

Comments