MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1028aefe18f6550d890d70faad99c8369745e0f9de79b16135fd2259ec5edabc. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1028aefe18f6550d890d70faad99c8369745e0f9de79b16135fd2259ec5edabc
SHA3-384 hash: a775b6cf40d2428b8dcc35dd49384132433d37b87940faa4dd2961e18957d5c08741d9421da7818b02317f85c2db7d80
SHA1 hash: 9c1e74c596a7470193d8ec96211a315301d98fa4
MD5 hash: 16819a5bc97111a751fd3e8dd7a3a597
humanhash: thirteen-shade-romeo-island
File name:top1miku.mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:206'980 bytes
First seen:2025-07-17 18:26:43 UTC
Last seen:2025-07-17 20:20:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:8eQP5nELAoPnWtlpu317dK4ofMIOewYe3Ky+:81P5nELAoPWjpu5wpfA4sK
TLSH T1FF14D70AAF610FFBD86FCD3706E9070529CC651722A83B397574D528F54A64B4AE3C78
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 :
3
# of downloads :
22
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ELF.Mirai-CZE.8595.16651.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Receives data from a server
Runs as daemon
Sets a written file as executable
Opens a port
Launching a process
Deletes a file
Connection attempt
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/687940988a7d628a81b4f37c/reports/58153e4f-4006-4a89-91cd-c1681298772c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/1028aefe18f6550d890d70faad99c8369745e0f9de79b16135fd2259ec5edabc
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c4e71458-26d2-4de4-bd3b-5c77805a1e1b
Behavior Graph:
Download SVG
%3 guuid=4998570e-1a00-0000-29fa-cad4b20a0000 pid=2738 /usr/bin/sudo guuid=c3428010-1a00-0000-29fa-cad4b70a0000 pid=2743 /tmp/sample.bin guuid=4998570e-1a00-0000-29fa-cad4b20a0000 pid=2738->guuid=c3428010-1a00-0000-29fa-cad4b70a0000 pid=2743 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f0760020-f875-4bd7-8343-22f0d43f5c7b
Result
Threat name:
Gafgyt, Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1739051
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
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1739051 Sample: top1miku.mipsel.elf Startdate: 17/07/2025 Architecture: LINUX Score: 100 38 top1miku.duckdns.org 2->38 40 top1miku.duckdns.org 161.97.77.188, 2004, 46240, 46242 CONTABODE United States 2->40 42 3 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected Gafgyt 2->46 48 Yara detected Mirai 2->48 50 Yara detected Xmrig cryptocurrency miner 2->50 10 top1miku.mipsel.elf 2->10         started        13 dash rm 2->13         started        15 dash cat 2->15         started        17 8 other processes 2->17 signatures3 52 Uses dynamic DNS services 38->52 process4 signatures5 60 Found strings related to Crypto-Mining 10->60 19 top1miku.mipsel.elf 10->19         started        process6 process7 21 top1miku.mipsel.elf 19->21         started        file8 34 /etc/init.d/sysd, POSIX 21->34 dropped 54 Sample tries to set files in /etc globally writable 21->54 56 Drops files in suspicious directories 21->56 58 Sample tries to persist itself using System V runlevels 21->58 25 top1miku.mipsel.elf sh 21->25         started        27 top1miku.mipsel.elf 21->27         started        signatures9 process10 signatures11 30 sh cp 25->30         started        62 Sample deletes itself 27->62 process12 file13 36 /usr/bin/.sh, ELF 30->36 dropped 64 Drops invisible ELF files 30->64 66 Drops files in suspicious directories 30->66 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1028aefe18f6550d890d70faad99c8369745e0f9de79b16135fd2259ec5edabc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1028aefe18f6550d890d70faad99c8369745e0f9de79b16135fd2259ec5edabc/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-07-17 18:08:02 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cauk57qy6zkq3cinod5k3goig2lulyhz3z43cyjv7urft3c63k6a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery persistence
Link:
https://tria.ge/reports/250717-w3zljaaq7x/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Deletes itself
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d3b248d9-351c-4b92-b87e-91fe084272d6
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/1028aefe18f6550d890d70faad99c8369745e0f9de79b16135fd2259ec5edabc

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 1028aefe18f6550d890d70faad99c8369745e0f9de79b16135fd2259ec5edabc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3585021/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments