MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4551d2fb0b9f348564161dd0c3fb706c871fd0a08d1f031272378eb2d39ed6d1. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4551d2fb0b9f348564161dd0c3fb706c871fd0a08d1f031272378eb2d39ed6d1
SHA3-384 hash: 7b7682387bc4c181899e0c0b2d81d2788214d32e5b21fbfc09254d6a595633b7f0fa9146817e1ca13e010ca300cb35df
SHA1 hash: f2f69535d32a0e569a50738f43272ba46f450e1a
MD5 hash: 502e8251971c7c31411b751376d22faf
humanhash: blue-nine-johnny-diet
File name:windy.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:41'988 bytes
First seen:2025-11-23 18:14:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:KxCamcw1GTi3P/aKbSxUS1Kc1EslIsyCpfDoBbtijm1yc3KgTXK1wK2sBx05F:KxCamcGWCP/DkUS1nWCpcBbt+u13Kgj/
TLSH T17A13F2B9AD3BE3BAE037A9B5240597D9FCD12003CB53575301D861AFBC6AB5C9800B93
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) :41'988 bytes
File size (de-compressed) :85'904 bytes
Format:linux/amd64
Unpacked file: c8c7cb02b59d99f8ac54eb8e53c0f05e7d202378ef8f2cd154b22f05f8b93107

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4551d2fb0b9f348564161dd0c3fb706c871fd0a08d1f031272378eb2d39ed6d1
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-23T14:42:00Z UTC
Last seen:
2025-11-23T15:04:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4551d2fb0b9f348564161dd0c3fb706c871fd0a08d1f031272378eb2d39ed6d1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3a716efe-b916-4827-8612-f1c00048f9e7
Behavior Graph:
Download SVG
%3 guuid=96039aa3-1c00-0000-4631-cce37f0b0000 pid=2943 /usr/bin/sudo guuid=331ad8a5-1c00-0000-4631-cce3830b0000 pid=2947 /tmp/sample.bin mprotect-exec net guuid=96039aa3-1c00-0000-4631-cce37f0b0000 pid=2943->guuid=331ad8a5-1c00-0000-4631-cce3830b0000 pid=2947 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=331ad8a5-1c00-0000-4631-cce3830b0000 pid=2947->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=dcbe95a6-1c00-0000-4631-cce3850b0000 pid=2949 /tmp/sample.bin guuid=331ad8a5-1c00-0000-4631-cce3830b0000 pid=2947->guuid=dcbe95a6-1c00-0000-4631-cce3850b0000 pid=2949 clone guuid=ddbe83d1-1d00-0000-4631-cce3c70d0000 pid=3527 /tmp/sample.bin guuid=331ad8a5-1c00-0000-4631-cce3830b0000 pid=2947->guuid=ddbe83d1-1d00-0000-4631-cce3c70d0000 pid=3527 clone guuid=888991d1-1d00-0000-4631-cce3c80d0000 pid=3528 /tmp/sample.bin net send-data zombie guuid=331ad8a5-1c00-0000-4631-cce3830b0000 pid=2947->guuid=888991d1-1d00-0000-4631-cce3c80d0000 pid=3528 clone guuid=9410a1a6-1c00-0000-4631-cce3860b0000 pid=2950 /tmp/sample.bin guuid=dcbe95a6-1c00-0000-4631-cce3850b0000 pid=2949->guuid=9410a1a6-1c00-0000-4631-cce3860b0000 pid=2950 clone guuid=9145a5a6-1c00-0000-4631-cce3870b0000 pid=2951 /tmp/sample.bin net send-data zombie guuid=dcbe95a6-1c00-0000-4631-cce3850b0000 pid=2949->guuid=9145a5a6-1c00-0000-4631-cce3870b0000 pid=2951 clone guuid=9145a5a6-1c00-0000-4631-cce3870b0000 pid=2951->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 930B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=9145a5a6-1c00-0000-4631-cce3870b0000 pid=2951->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=888991d1-1d00-0000-4631-cce3c80d0000 pid=3528->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 930B guuid=888991d1-1d00-0000-4631-cce3c80d0000 pid=3528->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1819633
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819633 Sample: windy.x86_64.elf Startdate: 23/11/2025 Architecture: LINUX Score: 64 26 dot.cbzp.fun. [malformed] 2->26 28 169.254.169.254, 80 USDOSUS Reserved 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 Sample is packed with UPX 2->36 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 38 Sends malformed DNS queries 26->38 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/4551d2fb0b9f348564161dd0c3fb706c871fd0a08d1f031272378eb2d39ed6d1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4551d2fb0b9f348564161dd0c3fb706c871fd0a08d1f031272378eb2d39ed6d1/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 18:15:41 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ivi5f6ylt42ikzawdximh63qnsdr7ufarupqgetsg6hlfu4623iq._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/251123-wv7l6svmar/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
dot.cbzp.fun
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dd846c65-dd61-467d-ba56-cd341c2dcb00
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: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

elf 4551d2fb0b9f348564161dd0c3fb706c871fd0a08d1f031272378eb2d39ed6d1

(this sample)

Mirai

elf c8c7cb02b59d99f8ac54eb8e53c0f05e7d202378ef8f2cd154b22f05f8b93107

  
Dropping
SHA256 c8c7cb02b59d99f8ac54eb8e53c0f05e7d202378ef8f2cd154b22f05f8b93107
  
Dropping
MD5 a09d4faf1439dc62f2e011ac0859c02d
  
URLhaus
https://urlhaus.abuse.ch/url/3715265/
  
Delivery method
Distributed via web download

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