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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b28233f84b6022af819adc47e0763ad76ec39d057e6b59dcc219a97e63f0cbd0. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b28233f84b6022af819adc47e0763ad76ec39d057e6b59dcc219a97e63f0cbd0
SHA3-384 hash: b102530aeb3d1a32cca3edc22a067114ae04f6523ccc880b83ddd609cada8d4e3a3bd4d9ffb0e8458539b2f4617ca7ad
SHA1 hash: fc9f712f4334968337d74373ac7a7e37d6d89612
MD5 hash: 2b98832f6191c6745b3e84240056c9f3
humanhash: high-xray-orange-mars
File name:b28233f84b6022af819adc47e0763ad76ec39d057e6b59dcc219a97e63f0cbd0
Download: download sample
Signature Mirai
Create hunting rule
File size:255'652 bytes
First seen:2026-10-12 15:36:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:mwwHoFezhmE+FdsjIIG71dn2UNeUlDquYenS2Jtybj:mwwIdE+FdsjIR7zJlmuZS23ybj
TLSH T1AD44A70E7E228F7EF6B8873457B78E20975933D627E1D645D1ACD1011E2029E642FFA8
telfhash t1a34181180d7817b057256c9d49adfb37e66330da7e162c378e11e86aab69f835d11c0c
Magika elf
Reporter thinngo
Tags:elf gafgyt honeypot mips mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
GB GB
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b0ea66c4-e179-420b-b06d-e44618f2e051/
Detection(s):
Unix.Trojan.Mirai-8041698-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Launching a process
Connection attempt
Receives data from a server
Manages services
Sends data to a server
Runs as daemon
Kills processes
Opens a port
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/6acd062824e6633b77b0f109/reports/30261720-5b87-4a89-b7dd-b300eab7457f/overview
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
61
Number of processes launched:
18
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b28233f84b6022af819adc47e0763ad76ec39d057e6b59dcc219a97e63f0cbd0
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-10-12T12:04:00Z UTC
Last seen:
2026-10-14T12:46:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b28233f84b6022af819adc47e0763ad76ec39d057e6b59dcc219a97e63f0cbd0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1500427c-3774-4906-8461-6b9f96d1c642
Behavior Graph:
Download SVG
%3 guuid=566109e2-1600-0000-5de9-3963590e0000 pid=3673 /usr/bin/sudo guuid=4491ace4-1600-0000-5de9-39636a0e0000 pid=3690 /tmp/sample.bin guuid=566109e2-1600-0000-5de9-3963590e0000 pid=3673->guuid=4491ace4-1600-0000-5de9-39636a0e0000 pid=3690 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ef151dba-e016-4224-99f6-d0244566db0b
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b28233f84b6022af819adc47e0763ad76ec39d057e6b59dcc219a97e63f0cbd0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b28233f84b6022af819adc47e0763ad76ec39d057e6b59dcc219a97e63f0cbd0/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-10-12 16:09:29 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wkbdh6clmark7am23rd6a5r225xmhhifpzvvtxgcdgux4y7qzpia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/261012-tlv6nscv9z/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies systemd
File and Directory Permissions Modification
Deletes itself
Modifies Watchdog functionality
Family: Mirai
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/b28233f84b6022af819adc47e0763ad76ec39d057e6b59dcc219a97e63f0cbd0

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
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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:unixredflags3
Create hunting rule
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 b28233f84b6022af819adc47e0763ad76ec39d057e6b59dcc219a97e63f0cbd0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3916053/

Comments