MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20caa4100a46af1cc5afe27b9ecbc27b20c27382a5d92137fe8d12e113274f5e. 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 14 File information Comments

SHA256 hash: 20caa4100a46af1cc5afe27b9ecbc27b20c27382a5d92137fe8d12e113274f5e
SHA3-384 hash: 0b8a3af8820875dcf9170f4ad84aecaa8cd9df174e49fe4b4f2faa9761a685d5e7049f7c1e53cf7b7dc461ca53f6059b
SHA1 hash: 4a8f6ba533d2113263fd708652c3ce5ffeb05057
MD5 hash: e4e3242ad2a95df73f291a7dc3ab68f6
humanhash: october-carbon-lima-orange
File name:xd.mips64
Download: download sample
Signature Mirai
File size:738'432 bytes
First seen:2026-08-07 13:54:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:f2s/kOndahO4GxuORGWQ1VChzcrkjvpfxnbkC+gRn0n8pu0kBb0S3:f2s/qhO4GxuOkChgrkjlxnb6gRnTk53
TLSH T10EF46C627B22DF64E364D17108F3C7A595D421621EF280C9727CD7187A60A6E2D3FEE8
telfhash t1ab41801c097813a4a6796c4d45ddff76d6a330db7e271c338a10e86eab69a838d10c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sends data to a server
Sets a written file as executable
Runs as daemon
Receives data from a server
Connection attempt
Opens a port
Collects information on the CPU
Kills critical processes
Substitutes an application name
Traces processes
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 symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm gcc mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-06T20:37:00Z UTC
Last seen:
2026-08-06T21:23:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ac35de1a-1b00-0000-09ef-59ed0e090000 pid=2318 /usr/bin/sudo guuid=065ba621-1b00-0000-09ef-59ed1a090000 pid=2330 /tmp/sample.bin guuid=ac35de1a-1b00-0000-09ef-59ed0e090000 pid=2318->guuid=065ba621-1b00-0000-09ef-59ed1a090000 pid=2330 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-07 01:42:03 UTC
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:Linux_Exploit_CVE_2017_17215_8b78a857
Author:Elastic Security
Description:Exploit code used in the ZeroBot malware
Rule name:Linux_Exploit_CVE_2018_10562_badc0676
Author:Elastic Security
Description:Exploit code used in the ZeroBot malware
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:malwareelf55503
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 20caa4100a46af1cc5afe27b9ecbc27b20c27382a5d92137fe8d12e113274f5e

(this sample)

  
Delivery method
Distributed via web download

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