MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 237c93fcf0bf76e3caf620641472356b8cf6c8653cbc7508967f1aab9d0280c3. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 237c93fcf0bf76e3caf620641472356b8cf6c8653cbc7508967f1aab9d0280c3
SHA3-384 hash: dbab3d012bdb491da10c3f7976a87784e5489c6a2b5b497458f541d422370e766690f1e5330a2ec0369e17b97bcce1ce
SHA1 hash: 733c2c93242bc1c34162c07348c74e3660e68ef0
MD5 hash: 5b2dcd1e8440e626afdfea9ce876d00e
humanhash: vegan-equal-colorado-mars
File name:boatnet.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:46'724 bytes
First seen:2026-01-10 12:46:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:EessG0aMqhczBPPoy3YWX/RJOHXkRMscGQaUdhBMfngAjwnbcuyD7UoQRjy:EessLD556HXbayaXMnouy8oym
TLSH T17223F15AD3F4137CD82933389CBE668268C0F45A629409273EE464DDB4AC7E16B5DC63
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
File size (compressed) :46'724 bytes
File size (de-compressed) :123'208 bytes
Format:linux/i386
Unpacked file: ba856ab36ca260bfb770a7470b5de562475883cb58e306d9abeebfd0514a97af

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/64231f3e-e6f2-45a2-b892-dae805bb2978/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Connection attempt
Sends data to a server
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/69624a2140358be74af8c093/reports/a853be6b-ebad-4957-addb-5dc1cdb7cfbb/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-10T11:01:00Z UTC
Last seen:
2026-01-11T05:42:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/237c93fcf0bf76e3caf620641472356b8cf6c8653cbc7508967f1aab9d0280c3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f30aae43-9de9-43f1-b84b-a2ad6a787bff
Behavior Graph:
Download SVG
%3 guuid=541e462f-1a00-0000-3340-941bc7080000 pid=2247 /usr/bin/sudo guuid=e3c4d931-1a00-0000-3340-941bc8080000 pid=2248 /tmp/sample.bin net guuid=541e462f-1a00-0000-3340-941bc7080000 pid=2247->guuid=e3c4d931-1a00-0000-3340-941bc8080000 pid=2248 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e3c4d931-1a00-0000-3340-941bc8080000 pid=2248->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5226ba32-1a00-0000-3340-941bc9080000 pid=2249 /tmp/sample.bin zombie guuid=e3c4d931-1a00-0000-3340-941bc8080000 pid=2248->guuid=5226ba32-1a00-0000-3340-941bc9080000 pid=2249 clone guuid=707fc332-1a00-0000-3340-941bca080000 pid=2250 /tmp/sample.bin guuid=e3c4d931-1a00-0000-3340-941bc8080000 pid=2248->guuid=707fc332-1a00-0000-3340-941bca080000 pid=2250 clone guuid=0f3bcd32-1a00-0000-3340-941bcb080000 pid=2251 /tmp/sample.bin net send-data zombie guuid=e3c4d931-1a00-0000-3340-941bc8080000 pid=2248->guuid=0f3bcd32-1a00-0000-3340-941bcb080000 pid=2251 clone guuid=0f3bcd32-1a00-0000-3340-941bcb080000 pid=2251->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 619239fa-1301-50f0-ad67-2b4dfb258a68 144.172.110.33:3778 guuid=0f3bcd32-1a00-0000-3340-941bcb080000 pid=2251->619239fa-1301-50f0-ad67-2b4dfb258a68 send: 25B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/836711a4-8347-4852-96af-bdbcaeb65553
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1847872
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847872 Sample: boatnet.x86.elf Startdate: 10/01/2026 Architecture: LINUX Score: 72 24 144.172.110.33, 3778, 51352 PONYNETUS United States 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 7 boatnet.x86.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.x86.elf 7->15         started        18 boatnet.x86.elf 7->18         started        20 boatnet.x86.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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/237c93fcf0bf76e3caf620641472356b8cf6c8653cbc7508967f1aab9d0280c3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/237c93fcf0bf76e3caf620641472356b8cf6c8653cbc7508967f1aab9d0280c3/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/237c93fcf0bf76e3caf620641472356b8cf6c8653cbc7508967f1aab9d0280c3
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-10 12:46:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=en6jh7hqx53ohsxwebsbi4rvnogpnsdfhs6hkcewp4nkxhicqdbq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260110-pztsjsgs2a/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/cd0343b4-fe77-499d-bb88-f466daef7554
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/237c93fcf0bf76e3caf620641472356b8cf6c8653cbc7508967f1aab9d0280c3

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 237c93fcf0bf76e3caf620641472356b8cf6c8653cbc7508967f1aab9d0280c3

(this sample)

Mirai

elf ba856ab36ca260bfb770a7470b5de562475883cb58e306d9abeebfd0514a97af

  
URLhaus
https://urlhaus.abuse.ch/url/3754879/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 ba856ab36ca260bfb770a7470b5de562475883cb58e306d9abeebfd0514a97af
  
Dropping
MD5 2d7b79b6426c966e860cdd2573dd3688

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