MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f75efaa78238fa1d57714a69221e863f5ebbf6d5d0e28c07d6f9197b670e587. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f75efaa78238fa1d57714a69221e863f5ebbf6d5d0e28c07d6f9197b670e587
SHA3-384 hash: 33f4c8616956bf0c9d7f8a8a9f38d682f9d96c98dec56accaac10015673a9f59d4159fc64b85f6cdc66b251a4da6303d
SHA1 hash: e810066b155a88c703b9ccd687107aaa79679557
MD5 hash: 5d73fc2fb6341ec89b315de3fda52516
humanhash: artist-cola-lemon-pizza
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:55'328 bytes
First seen:2026-07-12 08:11:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:52SDVYaBNGdtQobGdNNdXJd3mUcBk+BgE+XkgKvGVJuh:/DOUNGjQJd3dTcBk+d+VKvGVQh
TLSH T11643016C464298D2EE6E94B00F9202921D7015A75D139CC3616EF7CEDF8E95858F3ED3
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) :55'328 bytes
File size (de-compressed) :184'148 bytes
Format:linux/mips
Unpacked file: 1a319959cf6087e535c903c173e9bdd045d0037a305ac006fc252c0fd6797783

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/961582ff-b7c0-41b9-adb6-417a43957867/
Detection(s):
SecuriteInfo.com.Linux.Mirai.10621.4805.7149.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Deletes a file
Opens a port
Receives data from a server
Locks files
Connection attempt
Sends data to a server
Runs as daemon
DNS request
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a534cfc4b2892b5efa4a474/reports/2cb17b58-ec91-49ef-85e6-5d60aba27724/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e2684341-5476-42f5-8355-cdfea95fadfb
Behavior Graph:
Download SVG
%3 guuid=2f556d6b-2000-0000-4dd5-2bd82f140000 pid=5167 /usr/bin/sudo guuid=3bd6bb6d-2000-0000-4dd5-2bd83b140000 pid=5179 /tmp/sample.bin guuid=2f556d6b-2000-0000-4dd5-2bd82f140000 pid=5167->guuid=3bd6bb6d-2000-0000-4dd5-2bd83b140000 pid=5179 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e12f814f-0766-415b-b713-a35b6e56f70f
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1941131
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1941131 Sample: mips.elf Startdate: 12/07/2026 Architecture: LINUX Score: 64 17 wifihgu.duckdns.org 2->17 19 wifihgu.duckdns.org 103.130.215.73, 35950, 35952, 35954 BKHOST-AS-VNVietnamOnlineNetworkSolutionJointStockCompnayVN Vietnam 2->19 21 Antivirus / Scanner detection for submitted sample 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Sample is packed with UPX 2->25 7 mips.elf 2->7         started        signatures3 27 Uses dynamic DNS services 17->27 process4 process5 9 mips.elf 7->9         started        11 mips.elf 7->11         started        13 mips.elf 7->13         started        15 mips.elf 7->15         started       
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f75efaa78238fa1d57714a69221e863f5ebbf6d5d0e28c07d6f9197b670e587/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2026-07-12 08:17:30 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5267ktyeoh2dvlxcstjeipimp26xp3nluhcrqd5n6izpntq4wdq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260712-j4rk4agv2t/
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/4f75efaa78238fa1d57714a69221e863f5ebbf6d5d0e28c07d6f9197b670e587

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 4f75efaa78238fa1d57714a69221e863f5ebbf6d5d0e28c07d6f9197b670e587

(this sample)

Mirai

elf 1a319959cf6087e535c903c173e9bdd045d0037a305ac006fc252c0fd6797783

  
URLhaus
https://urlhaus.abuse.ch/url/3884571/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 1a319959cf6087e535c903c173e9bdd045d0037a305ac006fc252c0fd6797783
  
Dropping
MD5 185dc868bb68ea18eba34a697eacd85d

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