MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfb4fc546e7c80572a85cea5828f27621dcefb05a35c06685e43cc67f8d3a48b. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfb4fc546e7c80572a85cea5828f27621dcefb05a35c06685e43cc67f8d3a48b
SHA3-384 hash: b4d0ef59fa18ce08691844a53af09f5e34f1a58c33fad868b51e70f9f936f7c28518f9d9f0f7960df2bf04802738dfba
SHA1 hash: 0295e4d6ea552057c1e7b1a0d9706ba0285c59a2
MD5 hash: f9c2132a47abca7b082115f0949a60ff
humanhash: iowa-mirror-romeo-potato
File name:bfb4fc546e7c80572a85cea5828f27621dcefb05a35c06685e43cc67f8d3a48b
Download: download sample
Signature Mirai
Create hunting rule
File size:40'240 bytes
First seen:2026-08-23 16:30:11 UTC
Last seen:2026-08-24 17:04:33 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:jkQN8ilMcMpGXlRmPXQVRJDL6AdQ1punrG4H6LK9q3UEL7:vPDMp+mPXM+rBtL7
TLSH T18C03F1018567EB72C2B48A334C44BF461B956EFAECFD32E89E04C09464C296B177DD4B
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 viniciusouza
Tags:mirai UPX
File size (compressed) :40'240 bytes
File size (de-compressed) :90'844 bytes
Format:linux/arm
Unpacked file: 59ed5459fabbeefbdd13f4b2282ed703ae63bcdecc89b2502ec3fe3161bf5201

Intelligence

File Origin
# of uploads :
32
# of downloads :
39
Origin country :
US US
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ffb33557-29e3-409d-a418-c6dbff6e9d93/
Detection(s):
SecuriteInfo.com.Linux.Mirai.9788.10105.12913.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Sends data to a server
Connection attempt
Runs as daemon
Creating a file
Traces processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a8b205b05bdf452ef5a1a18/reports/218a5569-7671-4bc7-b34b-b589fd0f0a47/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/bfb4fc546e7c80572a85cea5828f27621dcefb05a35c06685e43cc67f8d3a48b
Behaviour
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7e0fe744-2c38-4d3c-8b4e-41dad5825049
Behavior Graph:
Download SVG
%3 guuid=ebfc2281-1900-0000-28c7-f68c3a0a0000 pid=2618 /usr/bin/sudo guuid=9b3ea084-1900-0000-28c7-f68c3e0a0000 pid=2622 /tmp/sample.bin guuid=ebfc2281-1900-0000-28c7-f68c3a0a0000 pid=2618->guuid=9b3ea084-1900-0000-28c7-f68c3e0a0000 pid=2622 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df015e34-00a7-4408-8548-c1a0cd911c23
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bfb4fc546e7c80572a85cea5828f27621dcefb05a35c06685e43cc67f8d3a48b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfb4fc546e7c80572a85cea5828f27621dcefb05a35c06685e43cc67f8d3a48b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-23 16:30:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x62pyvdopsafokufz2syfdzhmio456yfunoam2c6ipggp6gtusfq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery upx
Link:
https://tria.ge/reports/260823-tz4pzaybpb/
Behaviour
Reads runtime system information
Checks hardware identifiers (DMI)
Traces itself
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/bfb4fc546e7c80572a85cea5828f27621dcefb05a35c06685e43cc67f8d3a48b

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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: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 bfb4fc546e7c80572a85cea5828f27621dcefb05a35c06685e43cc67f8d3a48b

(this sample)

Mirai

elf 59ed5459fabbeefbdd13f4b2282ed703ae63bcdecc89b2502ec3fe3161bf5201

  
Dropping
SHA256 59ed5459fabbeefbdd13f4b2282ed703ae63bcdecc89b2502ec3fe3161bf5201
  
Dropping
MD5 c1b3802582cf09976eedd3e58428a5a8
  
URLhaus
https://urlhaus.abuse.ch/url/3906525/
  
Delivery method
Distributed via web download

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