MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fefc3f056ead1a64fe2c5132c19e05b700ce944f9319cc8c50ba094ff860a9e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fefc3f056ead1a64fe2c5132c19e05b700ce944f9319cc8c50ba094ff860a9e
SHA3-384 hash: b6abe98c724f8b9c7ce0dfe4b4d9a7831d9a58ac832209cd0934128275810a79b480afbd5e1db6aacc867d52fc351ddb
SHA1 hash: 761e861a6110c5a8460703d66eae9a4f4eba41e5
MD5 hash: c5448f5e1e1be680dc102357f9753967
humanhash: hamper-william-fourteen-blossom
File name:morte.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:75'628 bytes
First seen:2025-07-14 07:59:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:N4nks5wPpU7dgKyDMA1YB9Cn7UzOEb4nHC:NktwPi7dnyNYB9uE+n
TLSH T17A73BD23CD21ACA4D04846F131B18F39A7A3A61295472FF725AAC2B5D443ECDF6563F4
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 :
15
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3a066ed2-6a79-4a01-8d90-1da08ca0dc4b
Behavior Graph:
Download SVG
%3 guuid=acba495c-1f00-0000-6efe-cc781c0c0000 pid=3100 /usr/bin/sudo guuid=59b9af5e-1f00-0000-6efe-cc78230c0000 pid=3107 /tmp/sample.bin guuid=acba495c-1f00-0000-6efe-cc781c0c0000 pid=3100->guuid=59b9af5e-1f00-0000-6efe-cc78230c0000 pid=3107 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4549544d-55c2-4f43-b796-a5269527924c
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1735746
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735746 Sample: morte.sh4.elf Startdate: 14/07/2025 Architecture: LINUX Score: 88 32 cnnetwork.uk 104.164.104.15, 12121, 51256, 51258 EGIHOSTINGUS United States 2->32 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Mirai 2->42 44 Yara detected Xmrig cryptocurrency miner 2->44 10 morte.sh4.elf 2->10         started        signatures3 process4 signatures5 52 Found strings related to Crypto-Mining 10->52 13 morte.sh4.elf 10->13         started        process6 process7 15 morte.sh4.elf 13->15         started        file8 30 /etc/init.d/sysd, POSIX 15->30 dropped 34 Sample tries to set files in /etc globally writable 15->34 36 Drops files in suspicious directories 15->36 38 Sample tries to persist itself using System V runlevels 15->38 19 morte.sh4.elf sh 15->19         started        21 morte.sh4.elf 15->21         started        signatures9 process10 signatures11 24 sh cp 19->24         started        46 Sample deletes itself 21->46 process12 file13 28 /usr/bin/.sh, ELF 24->28 dropped 48 Drops invisible ELF files 24->48 50 Drops files in suspicious directories 24->50 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4fefc3f056ead1a64fe2c5132c19e05b700ce944f9319cc8c50ba094ff860a9e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fefc3f056ead1a64fe2c5132c19e05b700ce944f9319cc8c50ba094ff860a9e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-14 07:51:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7x4h4cw5li2mt7cyujsygpalnyaz2ke7eyzzsgfboqjj74gbkpa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250714-jwaydazthv/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2c6427f3-70ad-44c5-9a3e-2506df07e5a6
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/4fefc3f056ead1a64fe2c5132c19e05b700ce944f9319cc8c50ba094ff860a9e

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 4fefc3f056ead1a64fe2c5132c19e05b700ce944f9319cc8c50ba094ff860a9e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3582783/
  
Delivery method
Distributed via web download

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