MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 966ff0899613a6779ce33736e1d5924e0ee095772722485c15737c06bd40840f. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 966ff0899613a6779ce33736e1d5924e0ee095772722485c15737c06bd40840f
SHA3-384 hash: 0958158a316da80ddbb6c2d980bc90c18970ad4b263e9d96e9621113b4a2660f530288eb30793788bfabb88832bc2a0d
SHA1 hash: c5255ec42f652e0a44e962854f9321dc273b9d80
MD5 hash: b47f9874aecbbac175a3e4de5ab7d263
humanhash: steak-music-butter-jig
File name:top1miku.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:36'908 bytes
First seen:2025-07-14 17:25:34 UTC
Last seen:2025-07-14 23:11:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:QA3hfqgRpq/QsSr6L/sYKXNJDgPeUeVU1aL5nbcuyD7UHQRjF:RRfa/em/Ydxg7MQ05nouy8Hy5
TLSH T1F5F2F16193CD6310E61CB075A0EE3F1D6037E16A4259686AFBC85877FA74FF8B818742
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 :
20
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Deletes a system binary file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/68753dd08a7d628a81ae1438/reports/4635ced4-c0c3-4325-b8c7-a604c93e7149/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
UPX
Botnet:
196.251.66.32/HBTs
Number of open files:
97
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/966ff0899613a6779ce33736e1d5924e0ee095772722485c15737c06bd40840f
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3d92fcd4-070e-45c0-826c-29d98ebd845e
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1736345
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736345 Sample: top1miku.x86.elf Startdate: 14/07/2025 Architecture: LINUX Score: 80 17 top1miku.duckdns.org 2->17 19 top1miku.duckdns.org 196.251.66.32, 2068, 52308 ASDETUKhttpwwwheficedcomGB Seychelles 2->19 21 daisy.ubuntu.com 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Yara detected Okiru 2->27 31 2 other signatures 2->31 7 top1miku.x86.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 29 Uses dynamic DNS services 17->29 process4 process5 11 top1miku.x86.elf 7->11         started        13 top1miku.x86.elf 7->13         started        15 top1miku.x86.elf 7->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/966ff0899613a6779ce33736e1d5924e0ee095772722485c15737c06bd40840f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/966ff0899613a6779ce33736e1d5924e0ee095772722485c15737c06bd40840f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-14 17:26:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=szx7bcmwcothphhdg43odvmsjyhobflxe4reqxavon6anpkaqqhq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/250714-vz2faaaq8s/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
top1miku.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ec1c0a7d-8c14-4564-ab5e-0a9a156b345f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/966ff0899613a6779ce33736e1d5924e0ee095772722485c15737c06bd40840f

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: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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 966ff0899613a6779ce33736e1d5924e0ee095772722485c15737c06bd40840f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581228/
  
Delivery method
Distributed via web download

Comments