MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5438fbd275e781108027bebadf5717e1c27d8a70803e02cdb2a6056771b0550. 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: f5438fbd275e781108027bebadf5717e1c27d8a70803e02cdb2a6056771b0550
SHA3-384 hash: 642cdebb4284a4f9c976a6f07ec49e12afa5b359c467c251ae998898d8470ac1cbf58e084962966301fd9948f3d53a7d
SHA1 hash: d6bcba1326a9c573b0f8e72202a77c158d99a596
MD5 hash: 381af22be1ed5e0339c7059e385b26c7
humanhash: mountain-sodium-march-zebra
File name:windy.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:97'304 bytes
First seen:2026-01-17 17:38:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ISjwERNrLhUq4Z/Z1o7mI5TMBbjzUu0p8DEuANz3yk:IERLh/4ZKmiMBbj4p8DERLyk
TLSH T14E934A47B98080FEC49AD13487BF7536D533F07E02F9729A27C4AE262D4EEE01A69751
telfhash t1ff3126b8399a38a462ff9779330be4f4d4230a3519f035a09c7b9edadf237950d92061
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 9f7d77587a45844852d5b1b3322e308244f895cf78d741b3db12a340e8a97666
File size (compressed) :47'668 bytes
File size (de-compressed) :97'304 bytes
Format:linux/amd64
Packed file: 9f7d77587a45844852d5b1b3322e308244f895cf78d741b3db12a340e8a97666

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
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/f48bde1d-55b0-4ab7-b80a-e3ca7806adfe/
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.Dropper.Mirai-7540662-0
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

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1ab881fe-f9d4-4492-a9be-b08ceb6daa60
Behavior Graph:
Download SVG
%3 guuid=e7aa1133-1b00-0000-093f-25bc85090000 pid=2437 /usr/bin/sudo guuid=1a7b5235-1b00-0000-093f-25bc8c090000 pid=2444 /tmp/sample.bin net guuid=e7aa1133-1b00-0000-093f-25bc85090000 pid=2437->guuid=1a7b5235-1b00-0000-093f-25bc8c090000 pid=2444 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1a7b5235-1b00-0000-093f-25bc8c090000 pid=2444->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0cfe6435-1b00-0000-093f-25bc8e090000 pid=2446 /tmp/sample.bin guuid=1a7b5235-1b00-0000-093f-25bc8c090000 pid=2444->guuid=0cfe6435-1b00-0000-093f-25bc8e090000 pid=2446 clone guuid=f49be15f-1c00-0000-093f-25bc430c0000 pid=3139 /tmp/sample.bin guuid=1a7b5235-1b00-0000-093f-25bc8c090000 pid=2444->guuid=f49be15f-1c00-0000-093f-25bc430c0000 pid=3139 clone guuid=3003e55f-1c00-0000-093f-25bc450c0000 pid=3141 /tmp/sample.bin net send-data zombie guuid=1a7b5235-1b00-0000-093f-25bc8c090000 pid=2444->guuid=3003e55f-1c00-0000-093f-25bc450c0000 pid=3141 clone guuid=bee36a35-1b00-0000-093f-25bc8f090000 pid=2447 /tmp/sample.bin guuid=0cfe6435-1b00-0000-093f-25bc8e090000 pid=2446->guuid=bee36a35-1b00-0000-093f-25bc8f090000 pid=2447 clone guuid=304f6f35-1b00-0000-093f-25bc90090000 pid=2448 /tmp/sample.bin net send-data zombie guuid=0cfe6435-1b00-0000-093f-25bc8e090000 pid=2446->guuid=304f6f35-1b00-0000-093f-25bc90090000 pid=2448 clone a50b1e59-74e5-5754-9cc4-6b289ec2bcd5 47.245.109.122:8787 guuid=304f6f35-1b00-0000-093f-25bc90090000 pid=2448->a50b1e59-74e5-5754-9cc4-6b289ec2bcd5 send: 4B guuid=3003e55f-1c00-0000-093f-25bc450c0000 pid=3141->a50b1e59-74e5-5754-9cc4-6b289ec2bcd5 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d18633c5-ea88-4342-9053-a5c2e893630d
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1852567
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852567 Sample: windy.x86_64.elf Startdate: 17/01/2026 Architecture: LINUX Score: 80 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 47.245.109.122, 47858, 47860, 47862 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 2->24 26 daisy.ubuntu.com 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 34 2 other signatures 2->34 8 windy.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 windy.x86_64.elf 8->12         started        14 windy.x86_64.elf 8->14         started        16 windy.x86_64.elf 8->16         started        process6 18 windy.x86_64.elf 12->18         started        20 windy.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f5438fbd275e781108027bebadf5717e1c27d8a70803e02cdb2a6056771b0550
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f5438fbd275e781108027bebadf5717e1c27d8a70803e02cdb2a6056771b0550/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/f5438fbd275e781108027bebadf5717e1c27d8a70803e02cdb2a6056771b0550
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-17 17:39:48 UTC
File Type:
ELF64 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6vby7pjhlz4bccacppv235lrpyocpwfhbab6alg3fjqfm5y3avia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260117-v8m91shw5d/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
47.245.109.122
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/54b74836-dd12-4f04-839d-7ce5cb637ed6
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f5438fbd275e/report/overview.html
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/f5438fbd275e781108027bebadf5717e1c27d8a70803e02cdb2a6056771b0550

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_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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 9f7d77587a45844852d5b1b3322e308244f895cf78d741b3db12a340e8a97666

Mirai

elf f5438fbd275e781108027bebadf5717e1c27d8a70803e02cdb2a6056771b0550

(this sample)

  
Dropped by
SHA256 9f7d77587a45844852d5b1b3322e308244f895cf78d741b3db12a340e8a97666
  
URLhaus
https://urlhaus.abuse.ch/url/3759536/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 b04fba53936bde6529910c5e58df4e15

Comments