MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd36fc328748fa81619340b471516b0579cc356fe8197d402edabc5ac7d24865. 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: cd36fc328748fa81619340b471516b0579cc356fe8197d402edabc5ac7d24865
SHA3-384 hash: e9264e6639909fb2c63a0b715bc45e8d9b8f5372335ba07288ca4bde54f9801dd2fc72bd0b54938e8ef8e7c8207dbad2
SHA1 hash: aa7d05e79dd40757eb49ddf1011923727c70d121
MD5 hash: 17374179a3d3b166ab844745e46ca559
humanhash: maine-fix-cat-colorado
File name:top1miku.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:36'644 bytes
First seen:2025-07-16 02:21:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:b/8a4+IWV5V7y2LXbMkzPXQyYdS4h+SABbDDsVlvMX5qgjzUBkxHxnbcuyD7UHQP:oa4+IWVbZokzPXQywfA5DDVljUkvnou8
TLSH T176F2F1A252BCC074DBF896B2DDD5F99C2004B01F6DC119E99ACD30699C6BFA4E9047B4
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 :
21
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
45
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cd36fc328748fa81619340b471516b0579cc356fe8197d402edabc5ac7d24865
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 196.251.66.32:3778
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1c3e9665-3e76-4112-8a0d-a06b8df6d64d
Behavior Graph:
Download SVG
%3 guuid=ab47c11c-1800-0000-c845-3342180d0000 pid=3352 /usr/bin/sudo guuid=c8bcac1e-1800-0000-c845-33421e0d0000 pid=3358 /tmp/sample.bin net guuid=ab47c11c-1800-0000-c845-3342180d0000 pid=3352->guuid=c8bcac1e-1800-0000-c845-33421e0d0000 pid=3358 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c8bcac1e-1800-0000-c845-33421e0d0000 pid=3358->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=f126411f-1800-0000-c845-3342200d0000 pid=3360 /tmp/sample.bin guuid=c8bcac1e-1800-0000-c845-33421e0d0000 pid=3358->guuid=f126411f-1800-0000-c845-3342200d0000 pid=3360 clone guuid=eb20024b-1900-0000-c845-33422a0f0000 pid=3882 /tmp/sample.bin guuid=c8bcac1e-1800-0000-c845-33421e0d0000 pid=3358->guuid=eb20024b-1900-0000-c845-33422a0f0000 pid=3882 clone guuid=7b7f0b4b-1900-0000-c845-33422b0f0000 pid=3883 /tmp/sample.bin net send-data zombie guuid=c8bcac1e-1800-0000-c845-33421e0d0000 pid=3358->guuid=7b7f0b4b-1900-0000-c845-33422b0f0000 pid=3883 clone guuid=6b494a1f-1800-0000-c845-3342210d0000 pid=3361 /tmp/sample.bin guuid=f126411f-1800-0000-c845-3342200d0000 pid=3360->guuid=6b494a1f-1800-0000-c845-3342210d0000 pid=3361 clone guuid=68ae4d1f-1800-0000-c845-3342220d0000 pid=3362 /tmp/sample.bin dns net send-data zombie guuid=f126411f-1800-0000-c845-3342200d0000 pid=3360->guuid=68ae4d1f-1800-0000-c845-3342220d0000 pid=3362 clone guuid=68ae4d1f-1800-0000-c845-3342220d0000 pid=3362->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 114B e2b18125-ee78-5ba1-b9f9-aba741e0e1ed top1miku.duckdns.org:3778 guuid=68ae4d1f-1800-0000-c845-3342220d0000 pid=3362->e2b18125-ee78-5ba1-b9f9-aba741e0e1ed send: 17B guuid=7b7f0b4b-1900-0000-c845-33422b0f0000 pid=3883->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 975B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=7b7f0b4b-1900-0000-c845-33422b0f0000 pid=3883->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 2B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3b9f9ecc-d85c-4a1c-89f4-620eea670c37
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1737642
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1737642 Sample: top1miku.i686.elf Startdate: 16/07/2025 Architecture: LINUX Score: 72 24 top1miku.duckdns.org 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 5 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 8 top1miku.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 38 Uses dynamic DNS services 24->38 process4 process5 14 top1miku.i686.elf 8->14         started        16 top1miku.i686.elf 8->16         started        18 top1miku.i686.elf 8->18         started        process6 20 top1miku.i686.elf 14->20         started        22 top1miku.i686.elf 14->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cd36fc328748fa81619340b471516b0579cc356fe8197d402edabc5ac7d24865
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cd36fc328748fa81619340b471516b0579cc356fe8197d402edabc5ac7d24865/
Verdict:
Malicious
Threat:
Linux.Backdoor.Mirai
Link:
https://tip.neiki.dev/file/cd36fc328748fa81619340b471516b0579cc356fe8197d402edabc5ac7d24865
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-15 17:40:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zu3pymuhjd5icymtic2hcullav44ynlp5amx2qbo3k6fvr6sjbsq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/250716-cs71da1xg1/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9f815a63-03e6-48ad-96dc-32a5e1a59019
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/cd36fc328748fa81619340b471516b0579cc356fe8197d402edabc5ac7d24865

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 cd36fc328748fa81619340b471516b0579cc356fe8197d402edabc5ac7d24865

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3584168/
  
Delivery method
Distributed via web download

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