MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a20187f38344ea358f4cdf830c58678f24ecc666770c8f8be427ec7b123e267f. 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: 9


Intelligence 9 IOCs YARA 11 File information Comments

SHA256 hash: a20187f38344ea358f4cdf830c58678f24ecc666770c8f8be427ec7b123e267f
SHA3-384 hash: 88fc9552bf35559841c5bfb80053a0099f8c909f790ecf7ad2d26ca264754964e861d3be043d1a3958837d7b4daf23ea
SHA1 hash: 37cde0b2b8b9485e96500344140598b31c0dfd0c
MD5 hash: 4c0eb554b389ef15a218ff46a82c5685
humanhash: south-cat-blossom-carolina
File name:boatnet.x86
Download: download sample
Signature Mirai
File size:111'464 bytes
First seen:2025-10-29 15:51:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:R7+erPzk3fw6Xay5Ztp7/IcCWI1bZgFdX4Uzzfn6S:R7TPA346Xayftp7/F7H//6S
TLSH T156B33CC4F583D4F6D8521539202BFB329E33E1F52629EA57E3AC96335C61382D906B9C
telfhash t19341a5f50a7e0cd9abd4a802e24e6f20bd4d6777542073a245b39479325fd8141b6d39
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 fae439e4008d343b9e9ee864b9922d97f0bdc245926b8f6fe9076e4aee074ca9
File size (compressed) :42'472 bytes
File size (de-compressed) :111'464 bytes
Format:linux/i386
Packed file: fae439e4008d343b9e9ee864b9922d97f0bdc245926b8f6fe9076e4aee074ca9

Intelligence


File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Runs as daemon
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-07T04:45:00Z UTC
Last seen:
2025-09-08T00:20:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3eac0e67-1a00-0000-1e8f-2bfbaa0a0000 pid=2730 /usr/bin/sudo guuid=f25fc168-1a00-0000-1e8f-2bfbae0a0000 pid=2734 /tmp/sample.bin net guuid=3eac0e67-1a00-0000-1e8f-2bfbaa0a0000 pid=2730->guuid=f25fc168-1a00-0000-1e8f-2bfbae0a0000 pid=2734 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f25fc168-1a00-0000-1e8f-2bfbae0a0000 pid=2734->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=9d82eb68-1a00-0000-1e8f-2bfbaf0a0000 pid=2735 /tmp/sample.bin zombie guuid=f25fc168-1a00-0000-1e8f-2bfbae0a0000 pid=2734->guuid=9d82eb68-1a00-0000-1e8f-2bfbaf0a0000 pid=2735 clone guuid=74aeef68-1a00-0000-1e8f-2bfbb00a0000 pid=2736 /tmp/sample.bin guuid=f25fc168-1a00-0000-1e8f-2bfbae0a0000 pid=2734->guuid=74aeef68-1a00-0000-1e8f-2bfbb00a0000 pid=2736 clone guuid=0a5ef368-1a00-0000-1e8f-2bfbb10a0000 pid=2737 /tmp/sample.bin net zombie guuid=f25fc168-1a00-0000-1e8f-2bfbae0a0000 pid=2734->guuid=0a5ef368-1a00-0000-1e8f-2bfbb10a0000 pid=2737 clone 0d1cf28e-aab8-5d44-84a7-167328ba70a0 178.16.52.103:3778 guuid=0a5ef368-1a00-0000-1e8f-2bfbb10a0000 pid=2737->0d1cf28e-aab8-5d44-84a7-167328ba70a0 con guuid=046e2369-1a00-0000-1e8f-2bfbb30a0000 pid=2739 /tmp/sample.bin net net-scan send-data guuid=0a5ef368-1a00-0000-1e8f-2bfbb10a0000 pid=2737->guuid=046e2369-1a00-0000-1e8f-2bfbb30a0000 pid=2739 clone guuid=046e2369-1a00-0000-1e8f-2bfbb30a0000 pid=2739->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con a6f8040c-f60d-5a01-b6dc-c0b427e15b29 123.175.153.52:23 guuid=046e2369-1a00-0000-1e8f-2bfbb30a0000 pid=2739->a6f8040c-f60d-5a01-b6dc-c0b427e15b29 send: 66B b6dd3b98-0ea4-5db8-9b95-69ed287b108f 87.27.185.70:23 guuid=046e2369-1a00-0000-1e8f-2bfbb30a0000 pid=2739->b6dd3b98-0ea4-5db8-9b95-69ed287b108f send: 40B guuid=046e2369-1a00-0000-1e8f-2bfbb30a0000 pid=2739|send-data send-data to 1920 IP addresses review logs to see them all guuid=046e2369-1a00-0000-1e8f-2bfbb30a0000 pid=2739->guuid=046e2369-1a00-0000-1e8f-2bfbb30a0000 pid=2739|send-data send
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
88 / 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)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804324 Sample: boatnet.x86.elf Startdate: 29/10/2025 Architecture: LINUX Score: 88 27 24.214.9.113, 23 WOW-INTERNETUS United States 2->27 29 108.179.142.89, 23 WASHINGTON-ASUS United States 2->29 31 98 other IPs or domains 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 2 other signatures 2->41 8 boatnet.x86.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 6 other processes 2->14 signatures3 process4 process5 16 boatnet.x86.elf 8->16         started        19 boatnet.x86.elf 8->19         started        21 boatnet.x86.elf 8->21         started        23 wrapper-2.0 xfpm-power-backlight-helper 10->23         started        signatures6 33 Sample tries to kill multiple processes (SIGKILL) 16->33 25 boatnet.x86.elf 19->25         started        process7
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-29 23:14:43 UTC
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (1641) amount of remote hosts
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:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
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_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security

File information


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

Web download

Mirai

elf a20187f38344ea358f4cdf830c58678f24ecc666770c8f8be427ec7b123e267f

(this sample)

  
Delivery method
Distributed via web download

Comments