MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcfd1c9b186666483509dba5d0377d67e440449b7699f4304509855346cb6564. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcfd1c9b186666483509dba5d0377d67e440449b7699f4304509855346cb6564
SHA3-384 hash: e9a46f944f2fd9bfb29512b3e6bdb0ad6b4d7827c2f5050c37236b5f9591c4f216dbbf97959fc78d6dcdb19fa109e5a3
SHA1 hash: 3a1ca5fb4021056e76aa911a92e37fd591944ce7
MD5 hash: 85142ccdf61fcc44e250b0794d0d6558
humanhash: music-salami-friend-black
File name:windy.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:39'684 bytes
First seen:2026-01-12 11:19:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:ApDDQdmx3ELhtPG5AogtGdkcFF04nMPTt3gl+MFoV87fnbcuyD7UHQRjs:ApfQdmx3EdtPnb4qcFvcJuW8Lnouy8HL
TLSH T11303F15D9DE96921E0AB39F425CEB60CB460D12C907ADEF7CBD4301E66A1F613E08B17
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) :39'684 bytes
File size (de-compressed) :79'412 bytes
Format:linux/i386
Unpacked file: 5bc02d14621cae0f5284f44cfcd3846085b614972164444200d19af3721611ee

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e2f0cfc3-fd49-4fab-94b8-bf0eebda2954/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6964d90b30368802bb81aee8/reports/cd3e7d9f-82ef-404e-a57d-8890883eb0c2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T08:47:00Z UTC
Last seen:
2026-01-14T00:38:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/bcfd1c9b186666483509dba5d0377d67e440449b7699f4304509855346cb6564/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cb5755a0-2e62-472c-8d2d-6126ac6a1482
Behavior Graph:
Download SVG
%3 guuid=f5e62b8f-1a00-0000-0f73-81de7c0a0000 pid=2684 /usr/bin/sudo guuid=3682f990-1a00-0000-0f73-81de820a0000 pid=2690 /tmp/sample.bin net guuid=f5e62b8f-1a00-0000-0f73-81de7c0a0000 pid=2684->guuid=3682f990-1a00-0000-0f73-81de820a0000 pid=2690 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=3682f990-1a00-0000-0f73-81de820a0000 pid=2690->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=10c38691-1a00-0000-0f73-81de850a0000 pid=2693 /tmp/sample.bin guuid=3682f990-1a00-0000-0f73-81de820a0000 pid=2690->guuid=10c38691-1a00-0000-0f73-81de850a0000 pid=2693 clone guuid=fe7daabd-1b00-0000-0f73-81de9f0c0000 pid=3231 /tmp/sample.bin guuid=3682f990-1a00-0000-0f73-81de820a0000 pid=2690->guuid=fe7daabd-1b00-0000-0f73-81de9f0c0000 pid=3231 clone guuid=1263b5bd-1b00-0000-0f73-81dea00c0000 pid=3232 /tmp/sample.bin net send-data zombie guuid=3682f990-1a00-0000-0f73-81de820a0000 pid=2690->guuid=1263b5bd-1b00-0000-0f73-81dea00c0000 pid=3232 clone guuid=eb318d91-1a00-0000-0f73-81de860a0000 pid=2694 /tmp/sample.bin guuid=10c38691-1a00-0000-0f73-81de850a0000 pid=2693->guuid=eb318d91-1a00-0000-0f73-81de860a0000 pid=2694 clone guuid=fba69791-1a00-0000-0f73-81de870a0000 pid=2695 /tmp/sample.bin dns net send-data zombie guuid=10c38691-1a00-0000-0f73-81de850a0000 pid=2693->guuid=fba69791-1a00-0000-0f73-81de870a0000 pid=2695 clone guuid=fba69791-1a00-0000-0f73-81de870a0000 pid=2695->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 900B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=fba69791-1a00-0000-0f73-81de870a0000 pid=2695->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=1263b5bd-1b00-0000-0f73-81dea00c0000 pid=3232->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 930B guuid=1263b5bd-1b00-0000-0f73-81dea00c0000 pid=3232->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/155635cc-251f-4f5b-8f67-8ca097497595
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1848989
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848989 Sample: windy.x86.elf Startdate: 12/01/2026 Architecture: LINUX Score: 68 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->28 30 4 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 38 Sample is packed with UPX 2->38 8 windy.x86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 windy.x86.elf 8->16         started        18 windy.x86.elf 8->18         started        20 windy.x86.elf 8->20         started        process6 22 windy.x86.elf 16->22         started        24 windy.x86.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bcfd1c9b186666483509dba5d0377d67e440449b7699f4304509855346cb6564
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bcfd1c9b186666483509dba5d0377d67e440449b7699f4304509855346cb6564/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bcfd1c9b186666483509dba5d0377d67e440449b7699f4304509855346cb6564
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 11:20:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xt6rzgyymzteqnij3os5an35m7seare3o2m7imcfbgcvgrwlmvsa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260112-nfb8qady4g/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
202.1.31.175
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7e639223-04c1-48f3-b487-5b5569bb9275
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/bcfd1c9b186666483509dba5d0377d67e440449b7699f4304509855346cb6564

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: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 64a93c5b0e32cd73f1312dc3d10a9cc63ee26e139ca1f5c9c9d580c120d73980

Mirai

elf bcfd1c9b186666483509dba5d0377d67e440449b7699f4304509855346cb6564

(this sample)

Mirai

elf 5bc02d14621cae0f5284f44cfcd3846085b614972164444200d19af3721611ee

  
URLhaus
https://urlhaus.abuse.ch/url/3756685/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3756698/
  
Dropping
SHA256 5bc02d14621cae0f5284f44cfcd3846085b614972164444200d19af3721611ee
  
Dropping
MD5 71ea07b63ed0f18ed80db968bbfb5932
  
Dropped by
SHA256 64a93c5b0e32cd73f1312dc3d10a9cc63ee26e139ca1f5c9c9d580c120d73980
  
Dropped by
MD5 eaa26f164b5006ab9db083c5b2ab9c15
  
URLhaus
https://urlhaus.abuse.ch/url/3756680/
  
URLhaus
https://urlhaus.abuse.ch/url/3756706/
  
URLhaus
https://urlhaus.abuse.ch/url/3757625/

Comments