MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 405b5506b6759506b8b928de20abf58d409cdff7dc3d21de9736d91a2cd194ba. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 405b5506b6759506b8b928de20abf58d409cdff7dc3d21de9736d91a2cd194ba
SHA3-384 hash: 8d0ce52df0eb99663e9a13b54fac3a70183931cc97b846d66e93a7cefcb2a9a2ad02ab230b1aa0de72a5ca283dd63366
SHA1 hash: b9e1353ccc2009b728804ac8d4a6d7c953aa7771
MD5 hash: 8480f18b1c51218776327e8a0d531d30
humanhash: blue-alpha-vegan-pluto
File name:ub8ehJSePAfc9FYqZIT6.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:70'740 bytes
First seen:2025-12-04 05:09:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ltWizyApqj4PfWjF7lOvZOWsIyq3XkZSYd:ltFyA0j4HWBJOvwfIyqsd
TLSH T15C634BC9F983D4B6E857093010BBBF639DB3D6BE2168DA43C3A855369D12502F416E6C
telfhash t1432137f76e1e48f8f3d49840c39eaa851a2ad677086136a445b2cdc036e7dd194bdc39
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 c13c619bb3beb9caa94910facaaa8b7947f06e475277a0cab0f0729e6e56df0b
File size (compressed) :34'912 bytes
File size (de-compressed) :70'740 bytes
Format:linux/i386
Packed file: c13c619bb3beb9caa94910facaaa8b7947f06e475277a0cab0f0729e6e56df0b

Intelligence

File Origin
# of uploads :
1
# of downloads :
43
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/d257f8f1-19bb-4140-842a-d0fd04b1cd69/
Detection(s):
SecuriteInfo.com.Linux.Mirai-62.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.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-7136013-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136057-0
Create hunting rule

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

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

Unix.Trojan.Mirai-9858729-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/693117c2ff25e40750d2eabe/reports/bb49e737-2acf-4feb-bfc6-cf4ba27c735a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-04T03:22:00Z UTC
Last seen:
2025-12-06T02:28:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw
Link:
https://opentip.kaspersky.com/405b5506b6759506b8b928de20abf58d409cdff7dc3d21de9736d91a2cd194ba/results?tab=lookup
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1826072
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826072 Sample: ub8ehJSePAfc9FYqZIT6.x86.elf Startdate: 04/12/2025 Architecture: LINUX Score: 72 24 103.77.241.151, 3778, 60128, 60130 X4B-AS-APX4BDDoSProtectedAnnouncementsAU India 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 3 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 8 ub8ehJSePAfc9FYqZIT6.x86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 ub8ehJSePAfc9FYqZIT6.x86.elf 8->14         started        16 ub8ehJSePAfc9FYqZIT6.x86.elf 8->16         started        18 ub8ehJSePAfc9FYqZIT6.x86.elf 8->18         started        process6 20 ub8ehJSePAfc9FYqZIT6.x86.elf 14->20         started        22 ub8ehJSePAfc9FYqZIT6.x86.elf 14->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/405b5506b6759506b8b928de20abf58d409cdff7dc3d21de9736d91a2cd194ba
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/405b5506b6759506b8b928de20abf58d409cdff7dc3d21de9736d91a2cd194ba/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/405b5506b6759506b8b928de20abf58d409cdff7dc3d21de9736d91a2cd194ba
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 05:10:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ibnvkbvwowkqnofzfdpcbk7vrvajzx7x3q6sdxuxg3mrulgrss5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Link:
https://tria.ge/reports/251204-ftyd4sdn8t/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c 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 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/a86f5843-6505-456f-999b-5db857b47a35
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/405b5506b6759506b8b928de20abf58d409cdff7dc3d21de9736d91a2cd194ba

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
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

elf c13c619bb3beb9caa94910facaaa8b7947f06e475277a0cab0f0729e6e56df0b

Mirai

elf 405b5506b6759506b8b928de20abf58d409cdff7dc3d21de9736d91a2cd194ba

(this sample)

  
Dropped by
SHA256 c13c619bb3beb9caa94910facaaa8b7947f06e475277a0cab0f0729e6e56df0b
  
URLhaus
https://urlhaus.abuse.ch/url/3724669/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 fbc810fcc2d5f66b651b0266d06fb4a1
  
URLhaus
https://urlhaus.abuse.ch/url/3724793/
  
URLhaus
https://urlhaus.abuse.ch/url/3724829/

Comments