MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4977440daf9c3c16cd86e641233a44c581c020ef538e7212e7b68eb4910ca7cd. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments

SHA256 hash: 4977440daf9c3c16cd86e641233a44c581c020ef538e7212e7b68eb4910ca7cd
SHA3-384 hash: aaaebc44b92862056f39e83ffc000617761d170a40f550fb862ca53ed3cefa8ed03c20f832ea960a965b2f89c7550e53
SHA1 hash: 5bc4c220830cb29b6dc3767b6297c446bbeea118
MD5 hash: 68b31bfc398195439d15436e361dfcc4
humanhash: jupiter-lactose-diet-nineteen
File name:30HR
Download: download sample
Signature Mirai
File size:101'236 bytes
First seen:2026-07-21 20:51:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:eK3Qe607xFVKLXz6XQAbSZKoubxW2q7l7df9w0fP13gvkSLcxr/pfj7:Z9zVKLXGXnboEbiD1nRh
TLSH T1EBA3C70ABF611DBBD81BDD3705AD0B0234CCA6177264377A3538D918BB4A54B8AD3CB5
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 :
1
# of downloads :
92
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Sets a written file as executable
Receives data from a server
Connection attempt
Sends data to a server
Manages services
Launching a process
Runs as daemon
Collects information on the CPU
Deleting a recently created file
Creating a file
Collects information on the RAM
Deletes a system binary file
Creates or modifies files in /cron to set up autorun
Writes symbolic links to system directory
Creates or modifies files in /init.d to set up autorun
Status:
terminated
Behavior Graph:
%3 guuid=a8d32fcd-1800-0000-a5b3-eca847090000 pid=2375 /usr/bin/sudo guuid=5102edd2-1800-0000-a5b3-eca851090000 pid=2385 /tmp/sample.bin guuid=a8d32fcd-1800-0000-a5b3-eca847090000 pid=2375->guuid=5102edd2-1800-0000-a5b3-eca851090000 pid=2385 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-07-21 20:53:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
4 of 36 (11.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
Checks CPU configuration
Creates/modifies Cron job
Enumerates running processes
Modifies rc script
Modifies systemd
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: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 4977440daf9c3c16cd86e641233a44c581c020ef538e7212e7b68eb4910ca7cd

(this sample)

  
Delivery method
Distributed via web download

Comments