MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d31441e92b735e9a664b8a0adc5f723f1b35297caec4f0d41aa6d12eb32e2ea. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments

SHA256 hash: 8d31441e92b735e9a664b8a0adc5f723f1b35297caec4f0d41aa6d12eb32e2ea
SHA3-384 hash: 0e67b62027e5f16d29a7f209a71c0b9c1dd0b2988fb1df0ece59bc87e58d8a5c822dee01b8d471f0b747d786fada7d00
SHA1 hash: baf525ad0023dbe993d0e3de3e4fe40fec114b05
MD5 hash: f91e326e81ebb459fa5518d7577cd344
humanhash: carbon-iowa-twenty-finch
File name:ciubuc_arm5
Download: download sample
Signature Mirai
File size:175'008 bytes
First seen:2026-04-11 17:34:00 UTC
Last seen:2026-04-12 12:21:37 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:40XtWTe3Db+Gu2gr96awR/lL747LlqDj46/UN4VGUr:4OgT+H+Gohg/h747RqDj4sUN2GUr
TLSH T147041945FC509A13C6C252BBFB5E428D3B2617E8D3EA72039D255F24378A86F0E37946
telfhash t1df3112aaff1c16ec27d482a401cf206d5ff93a9617152491421ce75fc982e81f219833
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 :
2
# of downloads :
90
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:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-11T14:42:00Z UTC
Last seen:
2026-04-13T04:07:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.h
Status:
terminated
Behavior Graph:
%3 guuid=354913a2-1600-0000-605c-615d9c0d0000 pid=3484 /usr/bin/sudo guuid=f7aaf7a3-1600-0000-605c-615d9d0d0000 pid=3485 /tmp/sample.bin guuid=354913a2-1600-0000-605c-615d9c0d0000 pid=3484->guuid=f7aaf7a3-1600-0000-605c-615d9d0d0000 pid=3485 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-11 17:35:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
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: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_Generic_Threat_d94e1020
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 8d31441e92b735e9a664b8a0adc5f723f1b35297caec4f0d41aa6d12eb32e2ea

(this sample)

  
Delivery method
Distributed via web download

Comments