MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b624d1836c1fe7ba31954d37288b537e31a1e54d66a4ff538709c8607fd9ad0f. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
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SHA256 hash: b624d1836c1fe7ba31954d37288b537e31a1e54d66a4ff538709c8607fd9ad0f
SHA3-384 hash: 41e9d60852c1eef27902c8119bef6ce1e75b652755fc35bfef78260a81decd04525f7d3b6c4fd0fff19476aba2cfc4f0
SHA1 hash: bf825d5a29c89d7a849cc8b61eed0febb8755b83
MD5 hash: ed9627aa15f02a03f2ef8617c2894b6c
humanhash: video-friend-green-carpet
File name:windy.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:80'384 bytes
First seen:2025-10-18 16:10:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:U/G/lVA7lvz4CXKLKIJjL74QN/VQC9yUxdM7h:Ue9VUx4CXKuI1J/VQ9OS7h
TLSH T12873AE23C8A61998D25C42B8B0B0FE3A5763E45056536FF7059BCA7AA047EDCF8093F5
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 :
116
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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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.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
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Unix.Trojan.Generic-9910198-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
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Unix.Trojan.Mirai-10009361-0
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Unix.Trojan.Mirai-10042712-0
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Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Link:
https://www.filescan.io/uploads/68f3bcb311ff3db29f638dc8/reports/453a4b50-783f-4b06-9d94-e15f25d84b35/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-18T13:28:00Z UTC
Last seen:
2025-10-19T10:15:00Z 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/b624d1836c1fe7ba31954d37288b537e31a1e54d66a4ff538709c8607fd9ad0f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ffcc000e-e19e-4d0b-b289-2f919a8007d1
Behavior Graph:
Download SVG
%3 guuid=0ebfda4d-1900-0000-0bd3-f129eb0a0000 pid=2795 /usr/bin/sudo guuid=cc6e7950-1900-0000-0bd3-f129f00a0000 pid=2800 /tmp/sample.bin guuid=0ebfda4d-1900-0000-0bd3-f129eb0a0000 pid=2795->guuid=cc6e7950-1900-0000-0bd3-f129f00a0000 pid=2800 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0a131ca9-5ce6-47e9-b6d4-9122dfe78173
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1797684
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797684 Sample: windy.sh4.elf Startdate: 18/10/2025 Architecture: LINUX Score: 60 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 8 windy.sh4.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 32 Uses dynamic DNS services 22->32 process4 process5 12 windy.sh4.elf 8->12         started        14 windy.sh4.elf 8->14         started        16 windy.sh4.elf 8->16         started        process6 18 windy.sh4.elf 12->18         started        20 windy.sh4.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b624d1836c1fe7ba31954d37288b537e31a1e54d66a4ff538709c8607fd9ad0f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b624d1836c1fe7ba31954d37288b537e31a1e54d66a4ff538709c8607fd9ad0f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b624d1836c1fe7ba31954d37288b537e31a1e54d66a4ff538709c8607fd9ad0f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-18 16:25:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wysnda3md7t3ummvju3src2tpyy2dzknm2sp6u4hbhega76zvuhq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251018-tn15pstlfw/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0a1f0b56-86b5-4a2e-b459-10a33356644a
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/b624d1836c1fe7ba31954d37288b537e31a1e54d66a4ff538709c8607fd9ad0f

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: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 b624d1836c1fe7ba31954d37288b537e31a1e54d66a4ff538709c8607fd9ad0f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3681119/
  
Delivery method
Distributed via web download

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