MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 540844ff88d0d343becfa5512b556daf289e8d62b7727fcfbec5be02adf69326. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 540844ff88d0d343becfa5512b556daf289e8d62b7727fcfbec5be02adf69326
SHA3-384 hash: 4785e84c0c2e92697a1c44cc075b34a44e2dd98573c024579fb3b0d3ab78ef2645df9ed10a6a5fbd45ff714a170aa1e8
SHA1 hash: d05fb9113fd39a5b4991b1d1c58193e213027180
MD5 hash: 205d689fb4f9c3572a1a293b44adef8c
humanhash: dakota-echo-connecticut-cold
File name:zyre.x64
Download: download sample
Signature Mirai
Create hunting rule
File size:103'288 bytes
First seen:2026-04-17 20:41:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:2JKXpU4gzmhUR4n2+lzugSuizBpEQeBk3GS+NmzRuiI3reee:2JOpDH3n2+kgvi3ZqwGFmzEiI
TLSH T19AA34C0779818DEEC45ED2F40BFB71309932FD2E0A3272DE6B90BE913A19D903959764
telfhash t141316cb52e4d35dc61eb6722f30ee298e532002419f1b5e66db7b9e1df017800d924e3
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai.10456.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Kills processes
DNS request
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-04-17T17:58:00Z UTC
Last seen:
2026-04-19T03:08:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/540844ff88d0d343becfa5512b556daf289e8d62b7727fcfbec5be02adf69326/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/09479ddb-c32b-4b7a-80a6-68b9eb1bffdc
Behavior Graph:
Download SVG
%3 guuid=e3f26916-1c00-0000-c12d-8c7ef10b0000 pid=3057 /usr/bin/sudo guuid=2981d418-1c00-0000-c12d-8c7ef90b0000 pid=3065 /tmp/sample.bin net send-data guuid=e3f26916-1c00-0000-c12d-8c7ef10b0000 pid=3057->guuid=2981d418-1c00-0000-c12d-8c7ef90b0000 pid=3065 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2981d418-1c00-0000-c12d-8c7ef90b0000 pid=3065->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 72B 2cc12d6f-7e88-5133-adf1-d386d7aa3d9c 176.65.139.253:9506 guuid=2981d418-1c00-0000-c12d-8c7ef90b0000 pid=3065->2cc12d6f-7e88-5133-adf1-d386d7aa3d9c send: 56B guuid=6373295b-1d00-0000-c12d-8c7e3c0e0000 pid=3644 /tmp/sample.bin net send-data zombie guuid=2981d418-1c00-0000-c12d-8c7ef90b0000 pid=3065->guuid=6373295b-1d00-0000-c12d-8c7e3c0e0000 pid=3644 clone guuid=6373295b-1d00-0000-c12d-8c7e3c0e0000 pid=3644->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 360B guuid=6373295b-1d00-0000-c12d-8c7e3c0e0000 pid=3644->2cc12d6f-7e88-5133-adf1-d386d7aa3d9c send: 560B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ebfc93df-11a0-4dcf-beac-c69328006fd7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/540844ff88d0d343becfa5512b556daf289e8d62b7727fcfbec5be02adf69326
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/540844ff88d0d343becfa5512b556daf289e8d62b7727fcfbec5be02adf69326/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-04-17 21:23:02 UTC
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kqeej74i2djuhpwpuviswvlnv4uj5dlcw5zh7t56yw7aflpwsmta._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
antivm discovery linux
Link:
https://tria.ge/reports/260417-zhemeabx9y/
Behaviour
Reads runtime system information
Checks CPU configuration
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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:MatchByteSequence
Create hunting rule
Author:Generated by ChatGPT
Description:Rule to match specific byte sequence: 89 C8 C1 E8 08 31 D1 31 C8
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
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 540844ff88d0d343becfa5512b556daf289e8d62b7727fcfbec5be02adf69326

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3824683/
  
Delivery method
Distributed via web download

Comments