MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b4b28ebd0eba9249e7bb9088047cad37b92cef7f9545cfef317ff1de7bd515a. 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: 1b4b28ebd0eba9249e7bb9088047cad37b92cef7f9545cfef317ff1de7bd515a
SHA3-384 hash: f5d8815f5d0d0442113d0dbdbb2a016e2c1aaf51189c00a9ee6f5576a53183a0509f8094450d3a8abf0bedf917207f2e
SHA1 hash: 41f600e4ffac4e4880baee635c2b358f60ff13dc
MD5 hash: 2d5e7bc8bcf55a8863ee11829b50d1b7
humanhash: charlie-mike-three-grey
File name:armv5l
Download: download sample
Signature Mirai
Create hunting rule
File size:118'172 bytes
First seen:2026-08-09 13:49:05 UTC
Last seen:2026-08-10 06:08:01 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:9sdRxSN1NijMVhbyGgi46nzUPXHpebKLlTO3fr0G/Bff6VkuFy6M9x3EkdbeRCah:9ysmMVLaI3j5/BnyDMDEC0ImLn
TLSH T1CAB312B941A1B8C6A8381E75DD2CC79259338BF6F5DDB0EA2030F47E47845C739A4B58
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a5384d06-71b0-4f11-abb0-96a9fc9ee3ab/
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/6a7885683fa6348bf23f4869/reports/5c9ab0d6-c7b0-42ad-9871-5b9b3a30299d/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-10T23:13:00Z UTC
Last seen:
2026-08-10T23:32:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/1b4b28ebd0eba9249e7bb9088047cad37b92cef7f9545cfef317ff1de7bd515a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/70980324-d5db-4d0f-bbc2-e36871d89163
Behavior Graph:
Download SVG
%3 guuid=d8a4b08f-1700-0000-bf1e-10b1ef0d0000 pid=3567 /usr/bin/sudo guuid=21a45f91-1700-0000-bf1e-10b1f30d0000 pid=3571 /tmp/sample.bin guuid=d8a4b08f-1700-0000-bf1e-10b1ef0d0000 pid=3567->guuid=21a45f91-1700-0000-bf1e-10b1f30d0000 pid=3571 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/945f3beb-0ce0-495d-be6c-11deb3847fe5
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1954613
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/1b4b28ebd0eba9249e7bb9088047cad37b92cef7f9545cfef317ff1de7bd515a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b4b28ebd0eba9249e7bb9088047cad37b92cef7f9545cfef317ff1de7bd515a/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-09 13:49:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dnfsr26q5ousjht3xeeiar6k2n5zftxx7fkfz7xtc77r3z55kfna._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260809-q4xknssscx/
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/1b4b28ebd0eba9249e7bb9088047cad37b92cef7f9545cfef317ff1de7bd515a

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 1b4b28ebd0eba9249e7bb9088047cad37b92cef7f9545cfef317ff1de7bd515a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3897956/
  
Delivery method
Distributed via web download

Comments