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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28f771d7b004ebb0eaaa5b449a5b292225c495bb0d8d54f73d4e9aa293c79362. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28f771d7b004ebb0eaaa5b449a5b292225c495bb0d8d54f73d4e9aa293c79362
SHA3-384 hash: 2540fbbeb02b88c5b538038262d2d180a41ed991e725a6d1aa6a52d043189a078914c92436b5e67fdb495d41f9c5d2dc
SHA1 hash: 694784a5b5a05322847b6f7bf70cb0fcf07116f3
MD5 hash: 1be425e673675bef27e6b58c5a5e1c4c
humanhash: music-muppet-vermont-video
File name:sora.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:85'312 bytes
First seen:2026-10-27 12:57:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:E6/iw/0w8HoQ5uy8NxqlcJ0vXxh11xYqcn6BZOpkMoAygR:x/8RHTgMcJ0fmqJZOpkM/JR
TLSH T10983C6297E218FBEF79D823947B78F22964837C637E1D581D15CDA005E7028E641BFA8
telfhash t175014948893c57f0d7665ddc6bddff76e05260cf49615e778e00b9aa9b6c9428e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 948e5aebf2f51f680b8a8267c7eb8b00f43ec3beb89064bb37a0b46e177df227
File size (compressed) :28'876 bytes
File size (de-compressed) :85'312 bytes
Format:linux/mips
Packed file: 948e5aebf2f51f680b8a8267c7eb8b00f43ec3beb89064bb37a0b46e177df227

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/d5b124bd-7356-4596-aa33-11c690e6c14f/
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9819563-0
Create hunting rule

Unix.Trojan.Mirai-9820623-0
Create hunting rule

Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-10-27T11:53:00Z UTC
Last seen:
2026-10-28T19:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/28f771d7b004ebb0eaaa5b449a5b292225c495bb0d8d54f73d4e9aa293c79362/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ef431440-e18f-479f-85ef-35d796f96b1f
Behavior Graph:
Download SVG
%3 guuid=66b61abf-1e00-0000-0b21-c00efd080000 pid=2301 /usr/bin/sudo guuid=209df0c1-1e00-0000-0b21-c00e03090000 pid=2307 /tmp/sample.bin guuid=66b61abf-1e00-0000-0b21-c00efd080000 pid=2301->guuid=209df0c1-1e00-0000-0b21-c00e03090000 pid=2307 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b2206f78-c4e8-45b5-b71d-f76a5c3303f5
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/28f771d7b004ebb0eaaa5b449a5b292225c495bb0d8d54f73d4e9aa293c79362
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28f771d7b004ebb0eaaa5b449a5b292225c495bb0d8d54f73d4e9aa293c79362/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-10-27 12:56:16 UTC
File Type:
ELF32 Big (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fd3xdv5qatv3b2vklncjuwzjeis4jfn3bwgvj5z5j2nkfe6hsnra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora botnet defense_evasion discovery
Link:
https://tria.ge/reports/261027-p7naqsds2v/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Contacts a large (128451) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
176.65.139.131
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/28f771d7b004ebb0eaaa5b449a5b292225c495bb0d8d54f73d4e9aa293c79362

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
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/

File information

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

Web download

Mirai

elf 948e5aebf2f51f680b8a8267c7eb8b00f43ec3beb89064bb37a0b46e177df227

Mirai

elf 28f771d7b004ebb0eaaa5b449a5b292225c495bb0d8d54f73d4e9aa293c79362

(this sample)

  
Dropped by
SHA256 948e5aebf2f51f680b8a8267c7eb8b00f43ec3beb89064bb37a0b46e177df227
  
Dropped by
MD5 58be440dec91c1819fbbb4367ccd9e08
  
URLhaus
https://urlhaus.abuse.ch/url/4035974/
  
Delivery method
Distributed via web download

Comments