MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf4a7efd5a9eef3fa50ba1463aa7ffef36548c11486c76b43b90a83ae304d29d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf4a7efd5a9eef3fa50ba1463aa7ffef36548c11486c76b43b90a83ae304d29d
SHA3-384 hash: 5e587e7857419423b2b48a0642b9c6493fabf3707c6bc843c7c6f6f21b7b2db2ed657aec232fa3838db758cb7421a558
SHA1 hash: 7a65931f4c69e89adfc3590e99c110ec39c95249
MD5 hash: 160d0a15d530fc906c4cf874f0a1e677
humanhash: batman-shade-bluebird-monkey
File name:boatnet.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:28'592 bytes
First seen:2026-03-31 12:13:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:8IzUjM8UgTFbCgNjNJG/KUy+g/gJ14Wd+:1Uj8gTVT+lLF+
TLSH T1A8D2D02CEDA95889CD786CBF8D090766CD1120C0316D4BEAB301CC59FB6B98E7559DB8
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 BlinkzSec
Tags:mirai UPX
File size (compressed) :28'592 bytes
File size (de-compressed) :101'820 bytes
Format:linux/mipsel
Unpacked file: 8a8aa0fe224f9dd7221e1538ee8c337a923a55c0407c60d12b208da9b25a199f

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
GB GB
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Sends data to a server
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cf4a7efd5a9eef3fa50ba1463aa7ffef36548c11486c76b43b90a83ae304d29d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-03-30T15:28:00Z UTC
Last seen:
2026-03-31T11:16:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cf4a7efd5a9eef3fa50ba1463aa7ffef36548c11486c76b43b90a83ae304d29d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/42382eb8-2914-4375-a1e6-3b228ec7434a
Behavior Graph:
Download SVG
%3 guuid=1eed54a1-1a00-0000-7158-9295280b0000 pid=2856 /usr/bin/sudo guuid=b2dbe7a3-1a00-0000-7158-92952f0b0000 pid=2863 /tmp/sample.bin guuid=1eed54a1-1a00-0000-7158-9295280b0000 pid=2856->guuid=b2dbe7a3-1a00-0000-7158-92952f0b0000 pid=2863 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/61810962-8f21-45ee-9d00-39746644b72f
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf4a7efd5a9eef3fa50ba1463aa7ffef36548c11486c76b43b90a83ae304d29d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf4a7efd5a9eef3fa50ba1463aa7ffef36548c11486c76b43b90a83ae304d29d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-30 22:48:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5fh57k2t3xt7jilufddvj77543fjdarjbwhnnb3scudvyye2koq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260331-pef1yscz71/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/cf4a7efd5a9eef3fa50ba1463aa7ffef36548c11486c76b43b90a83ae304d29d

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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 cf4a7efd5a9eef3fa50ba1463aa7ffef36548c11486c76b43b90a83ae304d29d

(this sample)

Mirai

elf 8a8aa0fe224f9dd7221e1538ee8c337a923a55c0407c60d12b208da9b25a199f

  
URLhaus
https://urlhaus.abuse.ch/url/3809097/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 8a8aa0fe224f9dd7221e1538ee8c337a923a55c0407c60d12b208da9b25a199f
  
Dropping
MD5 0bb1afd9bee89cb8879bf6908a2725f1

Comments