🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a663b3bc0888e872e3c7bcf713699df15249ccc1d6f77eab917c4fdcc313a51. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments

SHA256 hash: 3a663b3bc0888e872e3c7bcf713699df15249ccc1d6f77eab917c4fdcc313a51
SHA3-384 hash: 6f3196c54f96700f5d048b68ad336bfcc36227c6aaa55865464043843d6086cace2491b198a951bc03ddd86ccfcf99ba
SHA1 hash: a3ecc9261203fbe5fe0311d631994b278543a1e4
MD5 hash: 6aac257b1d6ac1abf5b142c4bbf05326
humanhash: butter-oregon-missouri-alabama
File name:byroom.arm
Download: download sample
Signature Mirai
File size:89'092 bytes
First seen:2026-07-17 18:01:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:K5YDZ5b/P5Z6sRFwsEsHYQnpUzWMjcD759t4z++JBAxZWPpaV2dvgle:4YDZ5bTrt4z++wQfB
TLSH T1DB934B51BC815A13CAD5227BFAAE428E332613A8D2FF72178D215F2133C785B0E77656
telfhash t1ce1112734a18dfcc7398d689ea8d120a5dda71e96f341856ef3d7e9fc6010d13007026
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter BlinkzSec
Tags:mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
IN IN
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-16T05:58:00Z UTC
Last seen:
2026-07-18T19:10:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ca884d11-1a00-0000-dfaf-e926370c0000 pid=3127 /usr/bin/sudo guuid=be0ee716-1a00-0000-dfaf-e926380c0000 pid=3128 /tmp/sample.bin guuid=ca884d11-1a00-0000-dfaf-e926370c0000 pid=3127->guuid=be0ee716-1a00-0000-dfaf-e926380c0000 pid=3128 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-16 08:57:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:kaizen botnet
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_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_af48ca6a
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
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:telebot_framework
Author:vietdx.mb
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 3a663b3bc0888e872e3c7bcf713699df15249ccc1d6f77eab917c4fdcc313a51

(this sample)

  
Delivery method
Distributed via web download

Comments