MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 492dfb527d6e5ab6add02c95cb930acfa85611967544e104546179cf6c8a1a47. 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: 10


Intelligence 10 IOCs YARA 12 File information Comments

SHA256 hash: 492dfb527d6e5ab6add02c95cb930acfa85611967544e104546179cf6c8a1a47
SHA3-384 hash: 66e213adc72102d3cc41ea77d315c69a3a73ec7a3c69835f9064305d097d7f7bcfcceb1184c6749e46b22ba599df04c5
SHA1 hash: 75bbe0533e4f7c7a77c8798edc622e75ed027181
MD5 hash: b4359739f28a68f4da7e796e8ef1fbd7
humanhash: delta-happy-pasta-east
File name:boatnet.x86
Download: download sample
Signature Mirai
File size:123'528 bytes
First seen:2026-08-12 03:32:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:wUYyMqSjMnEwotI9/KOXUKT1rgvWdfd3wMbrMeQummfW5Sd1TpZmf:wUYkSQE7tW/KOXzZkOfd3VrfdmQ/mf
TLSH T10EC36CC5F343D4F1E8A604B10077BB739B32D0B65639EA42D7752936AC63A809B1B76C
telfhash t16c514bfaaabf0cd9a7546941d20e6f613d4ee77b146033b105b394353267e42907ec39
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 a6281784d9606660763c33ed8196431c84f9cb44f2c1e9da172bc95fa08d1899
File size (compressed) :49'440 bytes
File size (de-compressed) :123'528 bytes
Format:linux/i386
Packed file: a6281784d9606660763c33ed8196431c84f9cb44f2c1e9da172bc95fa08d1899

Intelligence


File Origin
# of uploads :
1
# of downloads :
42
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Opens a port
Sets a written file as executable
Launching a process
Changes the time when the file was created, accessed, or modified
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
Changes access rights for a file
Changes access rights for a written file
Creating a file
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bashlite dropper expand lolbin masquerade mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
20
Number of processes launched:
9
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=d2f1f30d-1900-0000-247f-73112c0c0000 pid=3116 /usr/bin/sudo guuid=d3b0b40f-1900-0000-247f-7311310c0000 pid=3121 /tmp/sample.bin net guuid=d2f1f30d-1900-0000-247f-73112c0c0000 pid=3116->guuid=d3b0b40f-1900-0000-247f-7311310c0000 pid=3121 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=d3b0b40f-1900-0000-247f-7311310c0000 pid=3121->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5dfd0510-1900-0000-247f-7311320c0000 pid=3122 /tmp/sample.bin guuid=d3b0b40f-1900-0000-247f-7311310c0000 pid=3121->guuid=5dfd0510-1900-0000-247f-7311320c0000 pid=3122 clone guuid=93370910-1900-0000-247f-7311330c0000 pid=3123 /tmp/sample.bin guuid=d3b0b40f-1900-0000-247f-7311310c0000 pid=3121->guuid=93370910-1900-0000-247f-7311330c0000 pid=3123 clone guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127 /tmp/sample.bin net send-data write-config write-file zombie guuid=93370910-1900-0000-247f-7311330c0000 pid=3123->guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127 clone guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 210B dde6815e-c6b6-5a6c-a794-3e73d851d1e9 217.60.195.187:8529 guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127->dde6815e-c6b6-5a6c-a794-3e73d851d1e9 send: 5B guuid=fd5e1512-1900-0000-247f-7311390c0000 pid=3129 /usr/bin/dash guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127->guuid=fd5e1512-1900-0000-247f-7311390c0000 pid=3129 execve guuid=bd009d12-1900-0000-247f-73113c0c0000 pid=3132 /usr/bin/dash guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127->guuid=bd009d12-1900-0000-247f-73113c0c0000 pid=3132 execve guuid=a259d312-1900-0000-247f-73113d0c0000 pid=3133 /usr/bin/dash guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127->guuid=a259d312-1900-0000-247f-73113d0c0000 pid=3133 execve guuid=ab959113-1900-0000-247f-7311410c0000 pid=3137 /usr/bin/dash guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127->guuid=ab959113-1900-0000-247f-7311410c0000 pid=3137 execve guuid=0ccd3717-1900-0000-247f-73114a0c0000 pid=3146 /tmp/sample.bin guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127->guuid=0ccd3717-1900-0000-247f-73114a0c0000 pid=3146 clone guuid=f2ef4317-1900-0000-247f-73114b0c0000 pid=3147 /tmp/sample.bin guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127->guuid=f2ef4317-1900-0000-247f-73114b0c0000 pid=3147 clone guuid=6c5a4d17-1900-0000-247f-73114c0c0000 pid=3148 /tmp/sample.bin guuid=faed9e11-1900-0000-247f-7311370c0000 pid=3127->guuid=6c5a4d17-1900-0000-247f-73114c0c0000 pid=3148 clone guuid=0d4d3713-1900-0000-247f-73113f0c0000 pid=3135 /usr/bin/dash guuid=a259d312-1900-0000-247f-73113d0c0000 pid=3133->guuid=0d4d3713-1900-0000-247f-73113f0c0000 pid=3135 clone guuid=a8f34813-1900-0000-247f-7311400c0000 pid=3136 /usr/bin/dash guuid=a259d312-1900-0000-247f-73113d0c0000 pid=3133->guuid=a8f34813-1900-0000-247f-7311400c0000 pid=3136 clone guuid=674f1d14-1900-0000-247f-7311430c0000 pid=3139 /usr/sbin/update-rc.d guuid=ab959113-1900-0000-247f-7311410c0000 pid=3137->guuid=674f1d14-1900-0000-247f-7311430c0000 pid=3139 execve guuid=d67c8717-1900-0000-247f-73114e0c0000 pid=3150 /tmp/sample.bin guuid=f2ef4317-1900-0000-247f-73114b0c0000 pid=3147->guuid=d67c8717-1900-0000-247f-73114e0c0000 pid=3150 clone guuid=9bcb5b17-1900-0000-247f-73114d0c0000 pid=3149 /tmp/sample.bin zombie guuid=6c5a4d17-1900-0000-247f-73114c0c0000 pid=3148->guuid=9bcb5b17-1900-0000-247f-73114d0c0000 pid=3149 clone
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1956497 Sample: boatnet.x86.elf Startdate: 12/08/2026 Architecture: LINUX Score: 100 54 217.60.195.187, 49828, 8529 NETPOOLIN Netherlands 2->54 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for dropped file 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 2 other signatures 2->64 11 boatnet.x86.elf 2->11         started        signatures3 process4 process5 13 boatnet.x86.elf 11->13         started        15 boatnet.x86.elf 11->15         started        process6 17 boatnet.x86.elf 13->17         started        file7 48 /usr/local/bin/infinitd, ELF 17->48 dropped 50 /etc/init.d/!infinitech, ASCII 17->50 dropped 56 Drops files in suspicious directories 17->56 21 boatnet.x86.elf sh 17->21         started        23 boatnet.x86.elf 17->23         started        25 boatnet.x86.elf sh 17->25         started        27 4 other processes 17->27 signatures8 process9 process10 29 sh crontab 21->29         started        33 sh 21->33         started        35 boatnet.x86.elf 23->35         started        37 sh update-rc.d 25->37         started        39 boatnet.x86.elf 27->39         started        41 sh 27->41         started        43 sh 27->43         started        file11 52 /var/spool/cron/crontabs/tmp.pT2Hy6, ASCII 29->52 dropped 68 Sample tries to persist itself using cron 29->68 70 Executes the "crontab" command typically for achieving persistence 29->70 45 sh crontab 33->45         started        72 Sample tries to kill a massive number of system processes 35->72 74 Sample tries to kill multiple processes (SIGKILL) 35->74 signatures12 process13 signatures14 66 Executes the "crontab" command typically for achieving persistence 45->66
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-12 03:33:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Reads system network configuration
Reads process memory
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:elf_persirai_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.persirai.
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_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
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_cc93863b
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 492dfb527d6e5ab6add02c95cb930acfa85611967544e104546179cf6c8a1a47

(this sample)

  
Delivery method
Distributed via web download

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