MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 522f6221c4e04ddffafba732722abba1b5000736d380bd779c67e6fe69f743e1. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: 522f6221c4e04ddffafba732722abba1b5000736d380bd779c67e6fe69f743e1
SHA3-384 hash: 2bd910c2faa06b7ed12ac719ea7b695de56eac1a6688194ff8476cd6e63bc259e93483ca3aac035628517d5dc9b03116
SHA1 hash: 1ff3160cbee2e440ca7c648e4f4814ee297a90a3
MD5 hash: ba81c87fd2b15a7dc9e0c70c3e4c40cb
humanhash: mexico-summer-butter-three
File name:Qlz
Download: download sample
Signature Mirai
File size:83'692 bytes
First seen:2026-07-21 20:51:54 UTC
Last seen:2026-07-22 10:43:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:+4nT+Q1E/AuMUIlkvkCSd3cXqDdGgHZHR6NM+fQBzuqRll2LivtlEkZ+xXy:95EItgGYClHZHR6NM+fQBVY6tlf+
TLSH T1AD83072ABD419F05D4D526BAFF1E538933531BBCE3EE7112EE142B25278A95B0F3A401
telfhash t16ee061b64a4185fc93e44559d05f711a430ce052051045d8bafc5e1fd173886760e40a
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
100
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Manages services
Creating a file
Sends data to a server
Collects information on the RAM
Connection attempt
Receives data from a server
Sets a written file as executable
Kills processes
Runs as daemon
Collects information on the CPU
Writes symbolic links to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-21T18:24:00Z UTC
Last seen:
2026-07-22T18:35:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=0099746a-1800-0000-2fc0-d5c443090000 pid=2371 /usr/bin/sudo guuid=bd99366d-1800-0000-2fc0-d5c446090000 pid=2374 /tmp/sample.bin guuid=0099746a-1800-0000-2fc0-d5c443090000 pid=2371->guuid=bd99366d-1800-0000-2fc0-d5c446090000 pid=2374 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-07-21 20:52:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
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:Linux_Generic_Threat_0ea505fa
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 522f6221c4e04ddffafba732722abba1b5000736d380bd779c67e6fe69f743e1

(this sample)

  
Delivery method
Distributed via web download

Comments