MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4764b40d8552c955e65797bcb7e80823be94ff2f436f26440da8d844ed2c018. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4764b40d8552c955e65797bcb7e80823be94ff2f436f26440da8d844ed2c018
SHA3-384 hash: 3f495288720933185a149cc61b00c896e3a5a293e10a32861a35197fc488c6dd265774103321fa17463f963c410827d2
SHA1 hash: 78795f5f5be5479aed60619216aba52482b8c1dd
MD5 hash: be36faa3a821eedea3922dd1512f7034
humanhash: yellow-missouri-eight-sweet
File name:xnxnxnxnxnxnxnxnmicroblazexnxn
Download: download sample
Signature Mirai
Create hunting rule
File size:205'416 bytes
First seen:2026-07-16 04:49:41 UTC
Last seen:2026-07-16 18:29:46 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:IcHZcggt1NJmeDQBwnKUDMaVsb3pjr1lCRmUKG:IcY5JpMByVs9jS5f
TLSH T1D4148120FA0663B1CC731A34A79A2E5A6E7704559FEB26312D1F533CDE628509B31F8D
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 :
2
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-32.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10058917-0
Create hunting rule

Unix.Malware.Mirai-10059790-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bashlite mirai
Link:
https://www.filescan.io/uploads/6a58631e9b933b61f3b22047/reports/4fe28a22-3065-4ae0-b6f6-719b7eafd88b/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-07-16T00:11:00Z UTC
Last seen:
2026-07-17T19:40:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b4764b40d8552c955e65797bcb7e80823be94ff2f436f26440da8d844ed2c018/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/86b0723d-22d4-4e3f-90db-5c84c9046ef1
Behavior Graph:
Download SVG
%3 guuid=6f5284bb-1900-0000-09e4-44786b120000 pid=4715 /usr/bin/sudo guuid=97924fbd-1900-0000-09e4-447872120000 pid=4722 /tmp/sample.bin guuid=6f5284bb-1900-0000-09e4-44786b120000 pid=4715->guuid=97924fbd-1900-0000-09e4-447872120000 pid=4722 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/89956beb-0008-4994-a7a4-0f507ded0542
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4764b40d8552c955e65797bcb7e80823be94ff2f436f26440da8d844ed2c018
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4764b40d8552c955e65797bcb7e80823be94ff2f436f26440da8d844ed2c018/
Threat name:
Linux.Trojan.Ravartar
Create hunting rule
Status:
Malicious
First seen:
2026-07-16 04:50:44 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wr3ewqgykuwjkxtfpf54w7uaqi56st7s6q3pezca3kgyitwsyama._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260716-fgljsadt9m/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b4764b40d8552c955e65797bcb7e80823be94ff2f436f26440da8d844ed2c018

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
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
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Mirai

elf b4764b40d8552c955e65797bcb7e80823be94ff2f436f26440da8d844ed2c018

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3886816/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3886653/

Comments