MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5bd3e8a44064e57b8f19fd7bec905fa653a10f2d9790e609baab41c90623d7d. 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 7 File information Comments

SHA256 hash: b5bd3e8a44064e57b8f19fd7bec905fa653a10f2d9790e609baab41c90623d7d
SHA3-384 hash: c6e29a7854babbdff71db6c9fbef717cbe21f21e3a7b871505b56d0b1bf3ccd20796d6e0642685da0983b7a511cc6b1c
SHA1 hash: 3b06c8978aeef4a051d2abfd8ad8ad73d481a05e
MD5 hash: 5422a898e0305a4f2c764171bab5554e
humanhash: uniform-michigan-kitten-comet
File name:sora.arm7
Download: download sample
Signature Mirai
File size:92'772 bytes
First seen:2026-04-24 11:25:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:VAnkkYHvMumqwnxCXBDfxlCmUzdUUJMyAMu1vWcadtotmLFxnxNlskixihzb:eYvMxqixyDJAmUzdBJXu9WRtotmLFQTM
TLSH T1CC931945B8419B21C6D522BBFE5F018E331697ECE3EE72129D201B6477CA91F0E27E46
telfhash t17311e5f75be403ec77e0cb11cece107a47f838d97746146a65496b8b51415c7742ba12
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
46
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
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Substitutes an application name
Kills critical processes
Performs a bruteforce attack in the network
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
31
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 202.155.11.128:1312
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-21T06:14:00Z UTC
Last seen:
2026-04-25T12:55:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=12226cd0-1b00-0000-1dc0-5d45750c0000 pid=3189 /usr/bin/sudo guuid=58bd9bd5-1b00-0000-1dc0-5d457b0c0000 pid=3195 /tmp/sample.bin guuid=12226cd0-1b00-0000-1dc0-5d45750c0000 pid=3189->guuid=58bd9bd5-1b00-0000-1dc0-5d457b0c0000 pid=3195 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-24 08:03:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora botnet defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Contacts a large (168726) amount of remote hosts
Creates a large amount of network flows
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
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 b5bd3e8a44064e57b8f19fd7bec905fa653a10f2d9790e609baab41c90623d7d

(this sample)

  
Delivery method
Distributed via web download

Comments