MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bf5b0d856837364297a6af3a64b6b70f7eef3291428d642aa36569b611965cd. 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 10 File information Comments

SHA256 hash: 8bf5b0d856837364297a6af3a64b6b70f7eef3291428d642aa36569b611965cd
SHA3-384 hash: 271a686c3278ce2960bbbced43c1e34f45b002f0b2cd17b364f967db5b9599d4244b7ba8b81386e341204ecbc34f36be
SHA1 hash: bf56b126f09e7e4bb92a10a3b8a2c5e8c0435374
MD5 hash: 51e208491e2331a2c998991cc48b6760
humanhash: steak-eighteen-johnny-maine
File name:herios.mips
Download: download sample
Signature Mirai
File size:241'380 bytes
First seen:2026-01-28 20:29:26 UTC
Last seen:2026-01-29 13:17:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:jRaiTqtLXskq9yObO194vpw7tBmwdPPTSa5KKPmp6:jJqp899yYOYyxBmmP35Kcmp6
TLSH T17834B65E6E228F7DF2A8C73447B74F30975D62D622E1D6C4E2ACD1041E2424E685FFA8
telfhash t13d41a1180a7807b0a6656c5e049dff37d6a330db7e162c238e51e85eeb69f834d24c0d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Deleting a recently created file
Launching a process
Changes owner for a written file
Creating a file in the %temp% directory
Collects information on the CPU
Manages services
Creating a file
Collects information on the OS
Runs as daemon
Sets a written file as executable
Changes owner for a file
Creating a process from a recently created file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
54
Number of processes launched:
15
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=28d92570-1a00-0000-2ffe-24c55e0b0000 pid=2910 /usr/bin/sudo guuid=190c3373-1a00-0000-2ffe-24c5640b0000 pid=2916 /tmp/sample.bin guuid=28d92570-1a00-0000-2ffe-24c55e0b0000 pid=2910->guuid=190c3373-1a00-0000-2ffe-24c5640b0000 pid=2916 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Protects files from modification
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859403 Sample: herios.mips.elf Startdate: 28/01/2026 Architecture: LINUX Score: 88 67 84.54.37.191, 45580, 45582, 45584 RACKTECHRU Russian Federation 2->67 71 Found malware configuration 2->71 73 Antivirus / Scanner detection for submitted sample 2->73 75 Yara detected Gafgyt 2->75 77 Yara detected Mirai 2->77 10 herios.mips.elf 2->10         started        signatures3 process4 signatures5 83 Sample deletes itself 10->83 85 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->85 13 herios.mips.elf 10->13         started        15 herios.mips.elf sh 10->15         started        17 herios.mips.elf sh 10->17         started        19 5 other processes 10->19 process6 process7 21 herios.mips.elf 13->21         started        23 sh sed 15->23         started        26 sh pkill 15->26         started        28 sh chattr 17->28         started        36 2 other processes 17->36 30 sh chattr 19->30         started        32 sh chattr 19->32         started        34 sh chattr 19->34         started        38 7 other processes 19->38 signatures8 40 herios.mips.elf sh 21->40         started        42 herios.mips.elf sh 21->42         started        44 herios.mips.elf sh 21->44         started        46 33 other processes 21->46 79 Sample tries to persist itself using cron 23->79 81 Protects files from modification 28->81 process9 process10 48 sh chattr 40->48         started        59 2 other processes 40->59 51 sh chattr 42->51         started        61 2 other processes 42->61 53 sh chattr 44->53         started        63 2 other processes 44->63 55 sh chattr 46->55         started        57 sh chattr 46->57         started        65 93 other processes 46->65 signatures11 69 Protects files from modification 48->69
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-28 20:30:43 UTC
File Type:
ELF32 Big (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads CPU attributes
Attempts to change immutable files
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Deletes itself
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 8bf5b0d856837364297a6af3a64b6b70f7eef3291428d642aa36569b611965cd

(this sample)

  
Delivery method
Distributed via web download

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