MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8a1552be0e3cb87561624788c2ef3898812465ddd432337893d4bed75133f71. 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 3 File information Comments

SHA256 hash: a8a1552be0e3cb87561624788c2ef3898812465ddd432337893d4bed75133f71
SHA3-384 hash: 452ce804704e09b4e48a4bf70c16b0e37fdbc987c46568017f26110cd0c64b5868b62d69ae95680f236fb9382af36e52
SHA1 hash: 2ba510c61e18b7e2f3386cd81a1547e40322abff
MD5 hash: 51f2e64d8a1c8eeb4641264a9c5c0d67
humanhash: east-shade-asparagus-edward
File name:Yboats.arm7
Download: download sample
Signature Mirai
File size:71'536 bytes
First seen:2025-12-03 12:09:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:EpgOEjxRCpuyTZXGu/80y27sWcsTDm6clX7OXKH1I/cai:GEjmftGu/8tWcx6clv1Ocr
TLSH T1C76302A5E3D3E173E6591C7BDA724917324B1EB1970C893AA70C168BFBD7AC458BC801
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) :71'536 bytes
File size (de-compressed) :214'629 bytes
Format:linux/arm
Unpacked file: 89e8b14525ee72a98c9bcdcf2dfac0121faaa52c9d871bf8a7e9188e8f173419

Intelligence


File Origin
# of uploads :
1
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Gathering data
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Result
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825313 Sample: Yboats.arm7.elf Startdate: 03/12/2025 Architecture: LINUX Score: 52 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 daisy.ubuntu.com 162.213.35.25, 443, 56102 CANONICAL-ASGB United States 2->16 18 54.171.230.55, 443, 58876 AMAZON-02US United States 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Sample is packed with UPX 2->22 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 Yboats.arm7.elf 2->12         started        signatures3 process4
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable botnet discovery upx
Behaviour
Reads runtime system information
Deletes itself
Mirai
Mirai family
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 a8a1552be0e3cb87561624788c2ef3898812465ddd432337893d4bed75133f71

(this sample)

  
Delivery method
Distributed via web download

Comments