MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28b4e8084fd3eb35aa0fcf362c87c43b7b380379643c209b40015e744f5df425. 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: 28b4e8084fd3eb35aa0fcf362c87c43b7b380379643c209b40015e744f5df425
SHA3-384 hash: e01c8925eb655506fb52f3c5bedc97fa13a1ad6bf03345f21071aa74b222882c6fe17385e616fa1d1b9dabe7e368f119
SHA1 hash: d4db10357add1bd38a8ac0a7491946c8a3b4fa57
MD5 hash: a0489fc28cfb85f9d9c91dadd6fc2ca2
humanhash: emma-arizona-ten-oscar
File name:armv5l
Download: download sample
Signature Mirai
Create hunting rule
File size:117'796 bytes
First seen:2026-08-05 02:08:15 UTC
Last seen:2026-08-05 18:25:46 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:jGhGc30ZXifdC0e4ZJ+SZKeiIZZuKzDxWcxV7Z:K4c8XifdCB4D+UFJZZLDVZ
TLSH T1D8B31263B9C01F9366B3AB65E801A00B53627D9490072F3DC669FF2D5193E9C09EE4D7
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/24f201e8-2ed4-4e90-b50d-7651824fe3a9/
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/6a729b2328d44ce765baf26c/reports/9fc6ea28-41f0-41c3-a80f-e05bc43e146f/overview
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-08-04T23:14:00Z UTC
Last seen:
2026-08-05T11:00:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/28b4e8084fd3eb35aa0fcf362c87c43b7b380379643c209b40015e744f5df425/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/20410ea7-6d49-4b0e-bc86-8f7651dee817
Behavior Graph:
Download SVG
%3 guuid=36f2c442-1a00-0000-5c6b-773ba1080000 pid=2209 /usr/bin/sudo guuid=e69c134b-1a00-0000-5c6b-773bb4080000 pid=2228 /tmp/sample.bin guuid=36f2c442-1a00-0000-5c6b-773ba1080000 pid=2209->guuid=e69c134b-1a00-0000-5c6b-773bb4080000 pid=2228 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ef60b77d-15a6-4ff9-b939-0b01fb323971
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1952364
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/28b4e8084fd3eb35aa0fcf362c87c43b7b380379643c209b40015e744f5df425
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28b4e8084fd3eb35aa0fcf362c87c43b7b380379643c209b40015e744f5df425/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-05 05:35:10 UTC
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fc2oqccp2pvtlkqpz43czb6ehn5tqa3zmq6cbg2aafphit256qsq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260805-ckv1vahq4v/
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/28b4e8084fd3eb35aa0fcf362c87c43b7b380379643c209b40015e744f5df425

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

sh 5c724000830082753cdb5c57ae528b92350d9ff94bb0e935d17c04b9b41253ba

Mirai

elf 28b4e8084fd3eb35aa0fcf362c87c43b7b380379643c209b40015e744f5df425

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3897114/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 5c724000830082753cdb5c57ae528b92350d9ff94bb0e935d17c04b9b41253ba
  
Dropped by
MD5 24cef98575e7a54fd5ec53671d0c715d
  
URLhaus
https://urlhaus.abuse.ch/url/3897113/

Comments