MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc99a099a6938268f9ad972d4b4c29bc826f00687aee1630ddae87dfba6f4820. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc99a099a6938268f9ad972d4b4c29bc826f00687aee1630ddae87dfba6f4820
SHA3-384 hash: 145bd3f99a4dd8aa1832c918ef6de0a2d3305fbf2ab42758ec4152daaf0dbe193016f37a66073860496e9e2c002e2cef
SHA1 hash: b7bd9d857a73e814d68f62b056b2b8fa0033e060
MD5 hash: f875595093e51498f1c20273f30fced8
humanhash: seventeen-london-earth-music
File name:astro.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:66'232 bytes
First seen:2026-01-28 13:57:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:cFITkNDUIbw4MfJs4NvqJWmfqQnZcgFH1K+Pum8g8vsz+78ilfXKSWNob2q/SY:Zg9fMfJsB8mfHNF1K+mm8g2D8ilf6SWa
TLSH T1F5533A99B8029E3CF8CBD5BD84974E09B92133D151831F276AABFDE37D321649D02D86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/3cd8cfb4-f36c-40ce-ad96-537e2cafef5f/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
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

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/bc99a099a6938268f9ad972d4b4c29bc826f00687aee1630ddae87dfba6f4820/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/376dc199-99aa-452a-bc7f-e374f445c221
Behavior Graph:
Download SVG
%3 guuid=204bbf3e-1900-0000-8148-68c11e0c0000 pid=3102 /usr/bin/sudo guuid=8d55e540-1900-0000-8148-68c1230c0000 pid=3107 /tmp/sample.bin guuid=204bbf3e-1900-0000-8148-68c11e0c0000 pid=3102->guuid=8d55e540-1900-0000-8148-68c1230c0000 pid=3107 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/63df59a0-1412-4589-bb27-2f9ce242845b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1859062
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859062 Sample: astro.m68k.elf Startdate: 28/01/2026 Architecture: LINUX Score: 72 48 104.221.41.106 VIDEOTRONCA Canada 2->48 50 100.41.195.234 UUNETUS United States 2->50 52 98 other IPs or domains 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected Mirai 2->58 10 astro.m68k.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 process5 18 astro.m68k.elf 10->18         started        20 astro.m68k.elf 10->20         started        22 astro.m68k.elf 10->22         started        process6 24 astro.m68k.elf 18->24         started        26 astro.m68k.elf 18->26         started        28 astro.m68k.elf 20->28         started        30 astro.m68k.elf 20->30         started        32 astro.m68k.elf 20->32         started        process7 34 astro.m68k.elf 24->34         started        36 astro.m68k.elf 24->36         started        38 astro.m68k.elf 24->38         started        40 astro.m68k.elf 28->40         started        42 astro.m68k.elf 28->42         started        process8 44 astro.m68k.elf 34->44         started        46 astro.m68k.elf 34->46         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bc99a099a6938268f9ad972d4b4c29bc826f00687aee1630ddae87dfba6f4820
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc99a099a6938268f9ad972d4b4c29bc826f00687aee1630ddae87dfba6f4820/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bc99a099a6938268f9ad972d4b4c29bc826f00687aee1630ddae87dfba6f4820
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-28 13:58:38 UTC
File Type:
ELF32 Big (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xsm2bgngsobgr6nns4wuwtbjxsbg6adiplxbmmg5v2d57otpjaqa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora linux
Link:
https://tria.ge/reports/260128-q91vaadt4e/
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: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

File information

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

Web download

Mirai

elf bc99a099a6938268f9ad972d4b4c29bc826f00687aee1630ddae87dfba6f4820

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3765042/
  
Delivery method
Distributed via web download

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