MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40b4b8678687daf5daf25dff607144765a956de8b88757c3ce343165fece2dad. 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: 14


Intelligence 14 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40b4b8678687daf5daf25dff607144765a956de8b88757c3ce343165fece2dad
SHA3-384 hash: 02f9ad65935b8b2877b9ef59a57a9eb5da7b29c6adc3674d1a5720d3178b0f773553e38b6bc1a6c832e0382c18aa4afe
SHA1 hash: 7e1f8f3857ae391d4ca7a2a3bfe74c8d003d311f
MD5 hash: 0491ae32d9ae43b95407eaccf2c99fe2
humanhash: angel-oven-triple-california
File name:m9x7k2v8b3.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:83'220 bytes
First seen:2025-12-31 12:19:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:l4yazEDi1A6FSougGntpKtl4jmDHFHFfvYt4cS+wIW:l4yaz+i1TggGnjKCoZRv8wIW
TLSH T15F835CC4EA83D4F5FD1609310177BB379AB3E53E216ADB83C368A566E8135C2E41635C
telfhash t19731f4f60a7a1ce56be4ac41830e6f31795eeb770450339206b3997422afe8244a6c38
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a032e7a7053822b6d37f8dc47c093ee0ba09ca5b95ad8413f8511fb0cf9c8abd
File size (compressed) :40'160 bytes
File size (de-compressed) :83'220 bytes
Format:linux/i386
Packed file: a032e7a7053822b6d37f8dc47c093ee0ba09ca5b95ad8413f8511fb0cf9c8abd

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/04499569-e783-48a6-a631-935c505a1df4/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/695515032fb7bb52ca835524/reports/c6c99186-c04d-4b14-afd6-8b8e3bcc6590/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T09:32:00Z UTC
Last seen:
2026-01-01T05:55:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/40b4b8678687daf5daf25dff607144765a956de8b88757c3ce343165fece2dad/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b5074418-d4d7-49a9-9386-ec2a6366b497
Behavior Graph:
Download SVG
%3 guuid=d398da8d-1900-0000-5de7-643c46100000 pid=4166 /usr/bin/sudo guuid=cdcc588f-1900-0000-5de7-643c4c100000 pid=4172 /tmp/sample.bin net guuid=d398da8d-1900-0000-5de7-643c46100000 pid=4166->guuid=cdcc588f-1900-0000-5de7-643c4c100000 pid=4172 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=cdcc588f-1900-0000-5de7-643c4c100000 pid=4172->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=1c0c828f-1900-0000-5de7-643c4e100000 pid=4174 /tmp/sample.bin guuid=cdcc588f-1900-0000-5de7-643c4c100000 pid=4172->guuid=1c0c828f-1900-0000-5de7-643c4e100000 pid=4174 clone guuid=1112e8bb-1a00-0000-5de7-643c66130000 pid=4966 /tmp/sample.bin guuid=cdcc588f-1900-0000-5de7-643c4c100000 pid=4172->guuid=1112e8bb-1a00-0000-5de7-643c66130000 pid=4966 clone guuid=769feebb-1a00-0000-5de7-643c67130000 pid=4967 /tmp/sample.bin net send-data zombie guuid=cdcc588f-1900-0000-5de7-643c4c100000 pid=4172->guuid=769feebb-1a00-0000-5de7-643c67130000 pid=4967 clone guuid=e1dd878f-1900-0000-5de7-643c4f100000 pid=4175 /tmp/sample.bin guuid=1c0c828f-1900-0000-5de7-643c4e100000 pid=4174->guuid=e1dd878f-1900-0000-5de7-643c4f100000 pid=4175 clone guuid=e3768c8f-1900-0000-5de7-643c50100000 pid=4176 /tmp/sample.bin dns net send-data zombie guuid=1c0c828f-1900-0000-5de7-643c4e100000 pid=4174->guuid=e3768c8f-1900-0000-5de7-643c50100000 pid=4176 clone guuid=e3768c8f-1900-0000-5de7-643c50100000 pid=4176->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 38B 852eada3-51ac-5275-909a-778490b5e6b0 play.mclighthouse.ir:6742 guuid=e3768c8f-1900-0000-5de7-643c50100000 pid=4176->852eada3-51ac-5275-909a-778490b5e6b0 send: 10B guuid=769feebb-1a00-0000-5de7-643c67130000 pid=4967->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1170B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=769feebb-1a00-0000-5de7-643c67130000 pid=4967->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5746d3f9-2b36-4658-83a4-3edd520ea5c2
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1842627
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842627 Sample: m9x7k2v8b3.x86.elf Startdate: 31/12/2025 Architecture: LINUX Score: 64 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 play.mclighthouse.ir 130.12.180.72, 49480, 6742 DATAHOPDatahop-SixDegreesGB Canada 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 8 m9x7k2v8b3.x86.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 m9x7k2v8b3.x86.elf 8->12         started        14 m9x7k2v8b3.x86.elf 8->14         started        16 m9x7k2v8b3.x86.elf 8->16         started        process6 18 m9x7k2v8b3.x86.elf 12->18         started        20 m9x7k2v8b3.x86.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40b4b8678687daf5daf25dff607144765a956de8b88757c3ce343165fece2dad
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40b4b8678687daf5daf25dff607144765a956de8b88757c3ce343165fece2dad/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/40b4b8678687daf5daf25dff607144765a956de8b88757c3ce343165fece2dad
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-31 12:20:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ic2lqz4gq7nplwxslx7wa4keoznjk3pixcdvpq6ogqywl7wofwwq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251231-phebjasral/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/e7e44a76-3dec-46e5-8188-b7cd68512d57
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/40b4b8678687daf5daf25dff607144765a956de8b88757c3ce343165fece2dad

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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

sh a4b3c1d8998ea6d0d8e5b26fd084a6a7855c24c24df2a3af62ecfaf70a021bc8

Mirai

elf a032e7a7053822b6d37f8dc47c093ee0ba09ca5b95ad8413f8511fb0cf9c8abd

Mirai

elf 40b4b8678687daf5daf25dff607144765a956de8b88757c3ce343165fece2dad

(this sample)

  
Dropped by
SHA256 a032e7a7053822b6d37f8dc47c093ee0ba09ca5b95ad8413f8511fb0cf9c8abd
  
URLhaus
https://urlhaus.abuse.ch/url/3746633/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 ae181b52beea891e03c5d55c15fd3945
  
URLhaus
https://urlhaus.abuse.ch/url/3747246/

Comments