MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38bba861d872028d9965ba5fc328174dd9bb44373a725a2c9174fca41051fd4c. 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: 13


Intelligence 13 IOCs YARA 18 File information Comments

SHA256 hash: 38bba861d872028d9965ba5fc328174dd9bb44373a725a2c9174fca41051fd4c
SHA3-384 hash: 441098c986035873ac9c89379527a7d9000701f2e93a8e633b51183e75ed13dd0a93f901e036e36ceb46939d6f8562fa
SHA1 hash: fed776dc4f4c261e8569dfa0a11a88f2f94f2960
MD5 hash: 56908321888c92d47cccfeb7a74122f7
humanhash: kansas-oscar-dakota-fourteen
File name:windy.x86
Download: download sample
Signature Mirai
File size:79'444 bytes
First seen:2026-01-17 17:33:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:mbsv6XewvU+o4x/hVtW9Z3J8h3qaccSXh:mbsiJU+o0/hy9zs3mh
TLSH T1CC737DC9E983C4F6EC130A350176BB379AB3E53E2169DB83C369A526DC125C2DA1735C
telfhash t1d531e5fe0ab748f8e7c46880830f2b61695ed777251032a30672d964629fec184bec39
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 :
46
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T16:22:00Z UTC
Last seen:
2026-01-18T14:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=1e8e65a3-1b00-0000-799b-6b41440e0000 pid=3652 /usr/bin/sudo guuid=98de82a5-1b00-0000-799b-6b41450e0000 pid=3653 /tmp/sample.bin net guuid=1e8e65a3-1b00-0000-799b-6b41440e0000 pid=3652->guuid=98de82a5-1b00-0000-799b-6b41450e0000 pid=3653 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=98de82a5-1b00-0000-799b-6b41450e0000 pid=3653->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=20fa70a6-1b00-0000-799b-6b41470e0000 pid=3655 /tmp/sample.bin guuid=98de82a5-1b00-0000-799b-6b41450e0000 pid=3653->guuid=20fa70a6-1b00-0000-799b-6b41470e0000 pid=3655 clone guuid=351ca3d3-1c00-0000-799b-6b4118120000 pid=4632 /tmp/sample.bin guuid=98de82a5-1b00-0000-799b-6b41450e0000 pid=3653->guuid=351ca3d3-1c00-0000-799b-6b4118120000 pid=4632 clone guuid=3bc1a9d3-1c00-0000-799b-6b4119120000 pid=4633 /tmp/sample.bin net send-data zombie guuid=98de82a5-1b00-0000-799b-6b41450e0000 pid=3653->guuid=3bc1a9d3-1c00-0000-799b-6b4119120000 pid=4633 clone guuid=b3f179a6-1b00-0000-799b-6b41480e0000 pid=3656 /tmp/sample.bin guuid=20fa70a6-1b00-0000-799b-6b41470e0000 pid=3655->guuid=b3f179a6-1b00-0000-799b-6b41480e0000 pid=3656 clone guuid=51e07da6-1b00-0000-799b-6b41490e0000 pid=3657 /tmp/sample.bin dns net send-data zombie guuid=20fa70a6-1b00-0000-799b-6b41470e0000 pid=3655->guuid=51e07da6-1b00-0000-799b-6b41490e0000 pid=3657 clone guuid=51e07da6-1b00-0000-799b-6b41490e0000 pid=3657->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1410B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=51e07da6-1b00-0000-799b-6b41490e0000 pid=3657->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=3bc1a9d3-1c00-0000-799b-6b4119120000 pid=4633->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1440B guuid=3bc1a9d3-1c00-0000-799b-6b4119120000 pid=4633->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852550 Sample: windy.x86.elf Startdate: 17/01/2026 Architecture: LINUX Score: 72 22 botsss.shadowbat8s88sww.qzz. 2->22 24 169.254.169.254, 80 USDOSUS Reserved 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 34 Yara detected Mirai 2->34 8 windy.x86.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 windy.x86.elf 8->12         started        14 windy.x86.elf 8->14         started        16 windy.x86.elf 8->16         started        process6 18 windy.x86.elf 12->18         started        20 windy.x86.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-17 17:34:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
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_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
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 38bba861d872028d9965ba5fc328174dd9bb44373a725a2c9174fca41051fd4c

(this sample)

  
Delivery method
Distributed via web download

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