MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad21dac5752d485775ec55f34a2cd7cf54857391f8238a1364d0d59a47c8aa4d. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ad21dac5752d485775ec55f34a2cd7cf54857391f8238a1364d0d59a47c8aa4d
SHA3-384 hash: d04903d58038413fa34e477a502d8377e7c0154dd27b7f6d640000d54e5ca1ffaff399b1e107471b5d8f6c61d67a7332
SHA1 hash: 39fa1df6d440320a6cbba1a524ed9376730340d4
MD5 hash: c185be33f4015ec9c299d146d9385de7
humanhash: steak-failed-kilo-moon
File name:windy.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:85'904 bytes
First seen:2026-01-12 11:20:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Mqbd7IdAcsgBY+T4AALkCkj6Rv3U8GbdGrAyvQ7ol:Td74AcsgBR4lkCdRvAbdGrXQ7
TLSH T17B832A47B98190FEC499D03847BF7537C923B4BE1239B29B63D4AE262D09EE01F19746
telfhash t1c92145b13d5a186890ffea323303e18188621d9506f136f6ce7768f6cf6a3801d96057
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a16884f22c23b1eaf3cf4592db352d6059a8a7cb755bd99f5843bcaa77950d8b
File size (compressed) :42'020 bytes
File size (de-compressed) :85'904 bytes
Format:linux/amd64
Packed file: a16884f22c23b1eaf3cf4592db352d6059a8a7cb755bd99f5843bcaa77950d8b

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
NL NL
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/0323e4d6-14a5-4803-979d-c4a99dfa9082/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6964d94307ef5fa68e855974/reports/cc6fc07c-741c-4cbf-896a-12d7a1665ec7/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-12T09:34:00Z UTC
Last seen:
2026-01-14T00:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ad21dac5752d485775ec55f34a2cd7cf54857391f8238a1364d0d59a47c8aa4d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/58a17450-807a-4647-8a84-0eb842f8abd8
Behavior Graph:
Download SVG
%3 guuid=297f567d-1900-0000-e824-cabf29080000 pid=2089 /usr/bin/sudo guuid=0183b17f-1900-0000-e824-cabf31080000 pid=2097 /tmp/sample.bin net guuid=297f567d-1900-0000-e824-cabf29080000 pid=2089->guuid=0183b17f-1900-0000-e824-cabf31080000 pid=2097 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=0183b17f-1900-0000-e824-cabf31080000 pid=2097->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=93030b80-1900-0000-e824-cabf32080000 pid=2098 /tmp/sample.bin guuid=0183b17f-1900-0000-e824-cabf31080000 pid=2097->guuid=93030b80-1900-0000-e824-cabf32080000 pid=2098 clone guuid=df6e86aa-1a00-0000-e824-cabfef0a0000 pid=2799 /tmp/sample.bin guuid=0183b17f-1900-0000-e824-cabf31080000 pid=2097->guuid=df6e86aa-1a00-0000-e824-cabfef0a0000 pid=2799 clone guuid=863d8daa-1a00-0000-e824-cabff00a0000 pid=2800 /tmp/sample.bin dns net send-data zombie guuid=0183b17f-1900-0000-e824-cabf31080000 pid=2097->guuid=863d8daa-1a00-0000-e824-cabff00a0000 pid=2800 clone guuid=9db81080-1900-0000-e824-cabf34080000 pid=2100 /tmp/sample.bin guuid=93030b80-1900-0000-e824-cabf32080000 pid=2098->guuid=9db81080-1900-0000-e824-cabf34080000 pid=2100 clone guuid=f03c1480-1900-0000-e824-cabf35080000 pid=2101 /tmp/sample.bin dns net send-data zombie guuid=93030b80-1900-0000-e824-cabf32080000 pid=2098->guuid=f03c1480-1900-0000-e824-cabf35080000 pid=2101 clone guuid=f03c1480-1900-0000-e824-cabf35080000 pid=2101->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 900B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=f03c1480-1900-0000-e824-cabf35080000 pid=2101->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=863d8daa-1a00-0000-e824-cabff00a0000 pid=2800->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 900B guuid=863d8daa-1a00-0000-e824-cabff00a0000 pid=2800->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a1bbb2c1-afc4-416d-970c-c3cd3b48bc76
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1848975
Signature
Antivirus / Scanner detection for submitted sample
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: 1848975 Sample: windy.x86_64.elf Startdate: 12/01/2026 Architecture: LINUX Score: 72 26 202.1.31.175 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 3 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 windy.x86_64.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_64.elf 8->16         started        18 windy.x86_64.elf 8->18         started        20 windy.x86_64.elf 8->20         started        process6 22 windy.x86_64.elf 16->22         started        24 windy.x86_64.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ad21dac5752d485775ec55f34a2cd7cf54857391f8238a1364d0d59a47c8aa4d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ad21dac5752d485775ec55f34a2cd7cf54857391f8238a1364d0d59a47c8aa4d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 11:22:33 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vuq5vrlvfvefo5pmkxzuulgxz5kik44r7aryue3e2dkzur6ivjgq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260112-nfwx5ady7f/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
202.1.31.175
Verdict:
Unknown
Tags:
trojan gafgyt mirai
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/25ffdce2-1d19-4873-81af-c0e89495f9c4
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ad21dac5752d/report/overview.html
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/ad21dac5752d485775ec55f34a2cd7cf54857391f8238a1364d0d59a47c8aa4d

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Mirai

elf a16884f22c23b1eaf3cf4592db352d6059a8a7cb755bd99f5843bcaa77950d8b

Mirai

elf ad21dac5752d485775ec55f34a2cd7cf54857391f8238a1364d0d59a47c8aa4d

(this sample)

  
Dropped by
SHA256 a16884f22c23b1eaf3cf4592db352d6059a8a7cb755bd99f5843bcaa77950d8b
  
Dropped by
MD5 0843dea1438ce9be1739a9e0ef5fbe08
  
URLhaus
https://urlhaus.abuse.ch/url/3756687/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3756703/
  
URLhaus
https://urlhaus.abuse.ch/url/3757601/

Comments