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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f33bb4d9b4d3c3b8de56d7f1d63b1de4f8f1cf469e81a0f014fbde1c127461fe. 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: 8


Intelligence 8 IOCs YARA 12 File information Comments

SHA256 hash: f33bb4d9b4d3c3b8de56d7f1d63b1de4f8f1cf469e81a0f014fbde1c127461fe
SHA3-384 hash: 5d84eea9db116f35e93c935c27f6c80452cc8c08a542e647769c0cac034624e2a956ca5ec38cf008e82268b066a58b02
SHA1 hash: d04a1aea44a66cfa5d59c75e11829f2fde66252b
MD5 hash: dbc408faea95984c5f26737ddd114209
humanhash: river-robert-south-steak
File name:manta.armv7l
Download: download sample
Signature Mirai
File size:260'659 bytes
First seen:2026-10-17 14:40:33 UTC
Last seen:2026-10-17 19:52:53 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:Vf4NwtXOYtzDO/waXccKuayutxzfyWBpsyXlavV/GXmBFFLJFu:Vf4NU3O/waXYuaygpyWBGz/imBFFLJFu
TLSH T1B7443A46EB408B13C5932B79FA9B43153333D764D3EB73069A286BB43B8679E4F26501
telfhash t16741745268384926b3614884ec6a27b509174f32b6123fa1af35edc4108ac43fdeac4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the RAM
Connection attempt
Kills processes
Creating a file in the %temp% directory
Creating a file
DNS request
Runs as daemon
Sets a written file as executable
Manages services
Creates or modifies symbolic links
Launching a process
Deleting a recently created file
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash gcc lolbin rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-17T12:55:00Z UTC
Last seen:
2026-10-19T09:13:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=a7530b8c-1a00-0000-6bcf-799c7f080000 pid=2175 /usr/bin/sudo guuid=da81f58e-1a00-0000-6bcf-799c83080000 pid=2179 /tmp/sample.bin guuid=a7530b8c-1a00-0000-6bcf-799c7f080000 pid=2175->guuid=da81f58e-1a00-0000-6bcf-799c83080000 pid=2179 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-10-17 14:41:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
command_and_control defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Write file to user bin folder
Outbound SSH connection to public host
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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_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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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
Rule name:Web_Generic_Binary_URL_Download
Author:Serhii Kocherhan
Description:Detects files containing HTTP or HTTPS links pointing directly to .bin payload extensions.

File information


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

Web download

Mirai

elf f33bb4d9b4d3c3b8de56d7f1d63b1de4f8f1cf469e81a0f014fbde1c127461fe

(this sample)

  
Delivery method
Distributed via web download

Comments