MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 331becf8eff63cf0b668ccecd096667c5ae8f6d36a04e4acc2693ad8cc67c3f6. 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 14 File information Comments

SHA256 hash: 331becf8eff63cf0b668ccecd096667c5ae8f6d36a04e4acc2693ad8cc67c3f6
SHA3-384 hash: 254a4f34c3f31d49f7245de5e082b92fcfed5188901aef7b2c965485110f03a35793e53cf2161b603a9e6ee1172ff412
SHA1 hash: af9387ee7c7caa13c62baa3a7db2b69ff25d4fef
MD5 hash: 8c81027f7990f164df33cd5466d09c36
humanhash: utah-ohio-pluto-sweet
File name:mipsel
Download: download sample
Signature Mirai
File size:152'968 bytes
First seen:2026-05-08 16:07:53 UTC
Last seen:2026-05-09 11:38:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:3uRYywLlCIcQ7Q1Z52O17NYV4fvp/eAwbZny:+RYywLlR17MZ52C5YV4fR/xwRy
TLSH T120E3E50AAF210EF7E8AFDD3753ED0B0124DD954A22687B75B570D858F18A14B06E3DB8
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 abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
4
# of downloads :
69
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
Unmounts file systems
Sends data to a server
Runs as daemon
Kills processes
Creating a file
Creates directories
Connection attempt
Mounts file systems
Opens a port
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet mirai mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-08T13:42:00Z UTC
Last seen:
2026-05-10T12:58:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2018-10561.a HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.cn HEUR:Exploit.Linux.DLink.b HEUR:Exploit.Linux.Netgear.a HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.ew HEUR:Backdoor.Linux.Mirai.c HEUR:Exploit.Linux.Vacron.a HEUR:Exploit.Linux.Netgear.b HEUR:Exploit.Linux.DLink.a HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ii
Status:
terminated
Behavior Graph:
%3 guuid=1a2fc72e-1700-0000-e42d-d710570d0000 pid=3415 /usr/bin/sudo guuid=0fb1ce30-1700-0000-e42d-d7105d0d0000 pid=3421 /tmp/sample.bin guuid=1a2fc72e-1700-0000-e42d-d710570d0000 pid=3415->guuid=0fb1ce30-1700-0000-e42d-d7105d0d0000 pid=3421 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-05-08 16:08:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet discovery
Behaviour
System Network Configuration Discovery
Changes its process name
Contacts a large (151351) 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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
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:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
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 331becf8eff63cf0b668ccecd096667c5ae8f6d36a04e4acc2693ad8cc67c3f6

(this sample)

  
Delivery method
Distributed via web download

Comments