MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4243003d161dd8fd18ceda406aa86693a89cb8db1da4f0955dba0d7d128951e. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4243003d161dd8fd18ceda406aa86693a89cb8db1da4f0955dba0d7d128951e
SHA3-384 hash: b1508c8e2c3e640b69a41929eed61894571323673cd3638a82473f8a5949a12795e33e700b3b3273191bba4911a706fc
SHA1 hash: 68c1ac636ef7f7730e9798acfcc248d8c953d227
MD5 hash: 515f257b3686d7e42a7acd3b6dc2ec00
humanhash: fruit-grey-table-minnesota
File name:zero.armv4l
Download: download sample
Signature Mirai
Create hunting rule
File size:52'424 bytes
First seen:2026-06-07 19:01:59 UTC
Last seen:2026-06-08 12:06:53 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:kfAeo4bZ5Oc1MsIWL38z2xwIPJtl+Irx4HaqVZ9NjjnkNxvllGwhcas3Uoz2:kgYvOwU2NPJfl466djn01h+z2
TLSH T1C5330220DE327A7081A2753CB97C4BB7BD97873851FBF024E8C506B072EA62B55F6542
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 BlinkzSec
Tags:mirai UPX
File size (compressed) :52'424 bytes
File size (de-compressed) :149'868 bytes
Format:linux/arm
Unpacked file: ffa0f364fb17329cdc65037dc91ddef11e52aedc50608f49e9cd74b3a66f019a

Intelligence

File Origin
# of uploads :
4
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/910ca0ff-6d81-472f-add2-376bf1a1ffcd/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a25c07b099ef368af262041/reports/4be461b3-5d05-4b59-88b9-0977d7279eef/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
29
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a4243003d161dd8fd18ceda406aa86693a89cb8db1da4f0955dba0d7d128951e
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 31.56.209.222:1791
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/807483f1-a100-4477-adb7-02c4202f84fe
Behavior Graph:
Download SVG
%3 guuid=9a8f6594-1b00-0000-9750-9b23e50a0000 pid=2789 /usr/bin/sudo guuid=06cdb796-1b00-0000-9750-9b23ea0a0000 pid=2794 /tmp/sample.bin guuid=9a8f6594-1b00-0000-9750-9b23e50a0000 pid=2789->guuid=06cdb796-1b00-0000-9750-9b23ea0a0000 pid=2794 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/37640162-69e6-4d54-972d-63b56cab6475
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4243003d161dd8fd18ceda406aa86693a89cb8db1da4f0955dba0d7d128951e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4243003d161dd8fd18ceda406aa86693a89cb8db1da4f0955dba0d7d128951e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-07 19:02:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uqsdaa6rmhoy7umm5wsankugne5its4nwhne6ckv3oqnpujisupa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260607-xpzvtah17q/
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/a4243003d161dd8fd18ceda406aa86693a89cb8db1da4f0955dba0d7d128951e

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf a4243003d161dd8fd18ceda406aa86693a89cb8db1da4f0955dba0d7d128951e

(this sample)

Mirai

elf ffa0f364fb17329cdc65037dc91ddef11e52aedc50608f49e9cd74b3a66f019a

  
Dropping
SHA256 ffa0f364fb17329cdc65037dc91ddef11e52aedc50608f49e9cd74b3a66f019a
  
Dropping
MD5 e31642d3e604f156542442fa9b1e4502
  
URLhaus
https://urlhaus.abuse.ch/url/3857190/
  
Delivery method
Distributed via web download

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