MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81362083f8fe22f203275680687a5a3e6b497dcdfb51ca7aa46642736aac8c0d. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 81362083f8fe22f203275680687a5a3e6b497dcdfb51ca7aa46642736aac8c0d
SHA3-384 hash: 72bebdca4830ffe701bb0a1cfb9720dabc107003946b20b246dca308a9d36c0a01a0dc01e50c1d81d3701ab9bde3daf2
SHA1 hash: 2a283d5d56627833e58c4afb11b0445fa155d1e8
MD5 hash: beb09788b362a760d14c7a3f1a1a03cc
humanhash: seven-mars-mexico-purple
File name:boatnet.mips
Download: download sample
Signature Mirai
File size:72'024 bytes
First seen:2025-12-07 15:24:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:7ZmnnogDILQHYLQHPVVMr4mgYVVMwKykNVVM6r+g/RtrVSYogDOsS5siv5XLatAP:UnN4ZH2SyOyuIq8LMEIUq+cvtpvXzcL8
TLSH T14F63951E7E219FBCFAAA863447B78E16564833DA37D1C581D1ACD6012E6064F340FFA8
telfhash t15c01625c8c3852f4db314dd92b6dfeb6e06130de06026e378e10f85e9b1d9014d00c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 033db1235c0f45bbf139da0211a081617ccd355a133d0bcca4b9a001d020f1db
File size (compressed) :23'784 bytes
File size (de-compressed) :72'024 bytes
Format:linux/mips
Packed file: 033db1235c0f45bbf139da0211a081617ccd355a133d0bcca4b9a001d020f1db

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Runs as daemon
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-07T13:37:00Z UTC
Last seen:
2025-12-07T14:48:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1828450 Sample: boatnet.mips.elf Startdate: 07/12/2025 Architecture: LINUX Score: 76 24 108.181.252.78, 3778 ASN852CA Canada 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 Yara detected Mirai 2->34 7 boatnet.mips.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 7 other processes 2->13 signatures3 process4 process5 15 boatnet.mips.elf 7->15         started        18 boatnet.mips.elf 7->18         started        20 boatnet.mips.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 36 Sample tries to kill multiple processes (SIGKILL) 15->36
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-07 15:25:30 UTC
File Type:
ELF32 Big (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Dropper.Mirai-7136013-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 81362083f8fe22f203275680687a5a3e6b497dcdfb51ca7aa46642736aac8c0d

(this sample)

  
Delivery method
Distributed via web download

Comments