MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 667d249e882f6e189bb1ef23aa29b147d89bf7de8820c2ea7b98ad12a1c78f21. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 667d249e882f6e189bb1ef23aa29b147d89bf7de8820c2ea7b98ad12a1c78f21
SHA3-384 hash: c5600c8f537ec22276e8e6fd4e739263425758d3a5197a1610015ba683ad8ab98c86c3240e258a63cba919364871755b
SHA1 hash: 4a9f3303a431ff8c31265c1b15a3c74c1d728a21
MD5 hash: 7ff805e2db0c798a0a93c88e3f0eb07f
humanhash: kentucky-moon-vegan-mountain
File name:nz.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:49'500 bytes
First seen:2026-07-17 00:04:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:k+an3RY7qKS4o2SeAgPBOAcLorb6T8/s/hOMBtE47fJmfHq2BwyNIbiFj7QFix0S:03+7k4oZCAonl/aTE47BmAh6j0kx1
TLSH T17823F2E7827FEA3EC511E676948F9650AA3E88092550C39B3FF422AD4FF7D4A1C10E04
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 UPX
File size (compressed) :49'500 bytes
File size (de-compressed) :117'744 bytes
Format:linux/amd64
Unpacked file: d7fd0e83e6509cc290a309bab475d70008b04be72a307435d86e426464ce969b

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/d124ad2c-6fed-4616-a463-5c2617b41105/
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/667d249e882f6e189bb1ef23aa29b147d89bf7de8820c2ea7b98ad12a1c78f21
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-07-16T18:05:00Z UTC
Last seen:
2026-07-16T19:08:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/667d249e882f6e189bb1ef23aa29b147d89bf7de8820c2ea7b98ad12a1c78f21/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/295ff81c-f6e3-4687-982a-c480a7bd49f6
Behavior Graph:
Download SVG
%3 guuid=acab0899-1a00-0000-d33a-1c53940a0000 pid=2708 /usr/bin/sudo guuid=65a5319c-1a00-0000-d33a-1c539b0a0000 pid=2715 /tmp/sample.bin mprotect-exec net guuid=acab0899-1a00-0000-d33a-1c53940a0000 pid=2708->guuid=65a5319c-1a00-0000-d33a-1c539b0a0000 pid=2715 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=65a5319c-1a00-0000-d33a-1c539b0a0000 pid=2715->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ce70dd9c-1a00-0000-d33a-1c539d0a0000 pid=2717 /tmp/sample.bin guuid=65a5319c-1a00-0000-d33a-1c539b0a0000 pid=2715->guuid=ce70dd9c-1a00-0000-d33a-1c539d0a0000 pid=2717 clone guuid=89b5a6c7-1b00-0000-d33a-1c53730c0000 pid=3187 /tmp/sample.bin guuid=65a5319c-1a00-0000-d33a-1c539b0a0000 pid=2715->guuid=89b5a6c7-1b00-0000-d33a-1c53730c0000 pid=3187 clone guuid=5d93adc7-1b00-0000-d33a-1c53740c0000 pid=3188 /tmp/sample.bin net send-data zombie guuid=65a5319c-1a00-0000-d33a-1c539b0a0000 pid=2715->guuid=5d93adc7-1b00-0000-d33a-1c53740c0000 pid=3188 clone guuid=bda8e49c-1a00-0000-d33a-1c539e0a0000 pid=2718 /tmp/sample.bin guuid=ce70dd9c-1a00-0000-d33a-1c539d0a0000 pid=2717->guuid=bda8e49c-1a00-0000-d33a-1c539e0a0000 pid=2718 clone guuid=da3beb9c-1a00-0000-d33a-1c539f0a0000 pid=2719 /tmp/sample.bin net send-data zombie guuid=ce70dd9c-1a00-0000-d33a-1c539d0a0000 pid=2717->guuid=da3beb9c-1a00-0000-d33a-1c539f0a0000 pid=2719 clone guuid=da3beb9c-1a00-0000-d33a-1c539f0a0000 pid=2719->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1350B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=da3beb9c-1a00-0000-d33a-1c539f0a0000 pid=2719->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=5d93adc7-1b00-0000-d33a-1c53740c0000 pid=3188->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1350B guuid=5d93adc7-1b00-0000-d33a-1c53740c0000 pid=3188->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/31ca06a0-6bef-4dcb-bbbd-4384ad914726
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1943929
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1943929 Sample: nz.x86_64.elf Startdate: 17/07/2026 Architecture: LINUX Score: 88 26 cgur743.freedynamicdns.org. [malformed] 2->26 28 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->28 30 5 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 40 2 other signatures 2->40 8 nz.x86_64.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Sends malformed DNS queries 26->38 process4 process5 16 nz.x86_64.elf 8->16         started        18 nz.x86_64.elf 8->18         started        20 nz.x86_64.elf 8->20         started        process6 22 nz.x86_64.elf 16->22         started        24 nz.x86_64.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/667d249e882f6e189bb1ef23aa29b147d89bf7de8820c2ea7b98ad12a1c78f21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/667d249e882f6e189bb1ef23aa29b147d89bf7de8820c2ea7b98ad12a1c78f21/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-16 22:04:35 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mz6sjhuif5xbrg5r54r2uknri7mjx566raqmf2t3tcwrfiohr4qq._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/260717-adlgqabx7t/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
Malware Config
C2 Extraction:
cgur743.freedynamicdns.org
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/667d249e882f6e189bb1ef23aa29b147d89bf7de8820c2ea7b98ad12a1c78f21

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: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 667d249e882f6e189bb1ef23aa29b147d89bf7de8820c2ea7b98ad12a1c78f21

(this sample)

Mirai

elf d7fd0e83e6509cc290a309bab475d70008b04be72a307435d86e426464ce969b

  
URLhaus
https://urlhaus.abuse.ch/url/3887322/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 d7fd0e83e6509cc290a309bab475d70008b04be72a307435d86e426464ce969b
  
Dropping
MD5 538c27804f9d9382867b5b19f2c5fbae

Comments