MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31d423164c480b1ae238259697bb38f59de35f03804e4c7620df0ae545c4cdcd. 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: 31d423164c480b1ae238259697bb38f59de35f03804e4c7620df0ae545c4cdcd
SHA3-384 hash: 48be6eaddd14203ad4eaaab59147e3b0c7c51c640405a07cddf2dd5230805055cd9519ae2b7f342176b4555273aa1c0f
SHA1 hash: c04628a46e58e1201f17eb32529ea454aba5fc50
MD5 hash: 28cb215d20f5899cf6f649d0ec489653
humanhash: sierra-mexico-summer-monkey
File name:windy.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:41'296 bytes
First seen:2025-12-26 19:56:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:d2HJeRRzOfGyM21fczk86qp9OuCla5dBDmQMgJ4rgk11nbcuyD7UHQRjY:YCRzGGyD96k86qpSa5d8Hg9k11nouy8f
TLSH T1C803F139D3F6C285ED6C907156EF320A2C59D119A599C12EED8011B98F85B403F7EFD4
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) :41'296 bytes
File size (de-compressed) :87'316 bytes
Format:linux/i386
Unpacked file: 3f1c917d6a89ee333b8cf6717aa1bf8c61fa19489433db1ee6813e3ade773703

Intelligence

File Origin
# of uploads :
1
# of downloads :
28
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/59ed9d45-feb0-42a8-b92d-676a917379d2/
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/694ee8aa3f8fdbf8e952e85b/reports/38687624-733f-4ee9-9ae0-229e918094b2/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c4806fba-0a80-4813-8419-6ff411e72ece
Behavior Graph:
Download SVG
%3 guuid=58c64d8f-1b00-0000-6962-a8af2d0c0000 pid=3117 /usr/bin/sudo guuid=717a3591-1b00-0000-6962-a8af340c0000 pid=3124 /tmp/sample.bin net guuid=58c64d8f-1b00-0000-6962-a8af2d0c0000 pid=3117->guuid=717a3591-1b00-0000-6962-a8af340c0000 pid=3124 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=717a3591-1b00-0000-6962-a8af340c0000 pid=3124->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=6c93f291-1b00-0000-6962-a8af370c0000 pid=3127 /tmp/sample.bin guuid=717a3591-1b00-0000-6962-a8af340c0000 pid=3124->guuid=6c93f291-1b00-0000-6962-a8af370c0000 pid=3127 clone guuid=24aebfbe-1c00-0000-6962-a8af540e0000 pid=3668 /tmp/sample.bin guuid=717a3591-1b00-0000-6962-a8af340c0000 pid=3124->guuid=24aebfbe-1c00-0000-6962-a8af540e0000 pid=3668 clone guuid=37edc9be-1c00-0000-6962-a8af550e0000 pid=3669 /tmp/sample.bin net send-data zombie guuid=717a3591-1b00-0000-6962-a8af340c0000 pid=3124->guuid=37edc9be-1c00-0000-6962-a8af550e0000 pid=3669 clone guuid=ea45fb91-1b00-0000-6962-a8af380c0000 pid=3128 /tmp/sample.bin guuid=6c93f291-1b00-0000-6962-a8af370c0000 pid=3127->guuid=ea45fb91-1b00-0000-6962-a8af380c0000 pid=3128 clone guuid=fe470092-1b00-0000-6962-a8af390c0000 pid=3129 /tmp/sample.bin dns net send-data zombie guuid=6c93f291-1b00-0000-6962-a8af370c0000 pid=3127->guuid=fe470092-1b00-0000-6962-a8af390c0000 pid=3129 clone guuid=fe470092-1b00-0000-6962-a8af390c0000 pid=3129->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 240B ac4baa47-21a8-5b71-9591-629431bedc7b dot.polarisnetwork.fun:69 guuid=fe470092-1b00-0000-6962-a8af390c0000 pid=3129->ac4baa47-21a8-5b71-9591-629431bedc7b send: 4B guuid=37edc9be-1c00-0000-6962-a8af550e0000 pid=3669->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1200B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=37edc9be-1c00-0000-6962-a8af550e0000 pid=3669->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2b1d1009-f3a9-4b70-aa3b-28dc923e6714
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1840024
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840024 Sample: windy.i686.elf Startdate: 26/12/2025 Architecture: LINUX Score: 60 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 dot.polarisnetwork.fun 92.119.164.209, 69 MYVIRTUALSERVERmyVirtualserverDE Germany 2->30 32 2 other IPs or domains 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Sample is packed with UPX 2->38 8 windy.i686.elf 2->8         started        10 systemd snap-failure 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 windy.i686.elf 8->14         started        16 windy.i686.elf 8->16         started        18 windy.i686.elf 8->18         started        20 snap-failure systemctl 10->20         started        22 snap-failure 10->22         started        process6 24 windy.i686.elf 14->24         started        26 windy.i686.elf 14->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31d423164c480b1ae238259697bb38f59de35f03804e4c7620df0ae545c4cdcd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31d423164c480b1ae238259697bb38f59de35f03804e4c7620df0ae545c4cdcd/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 19:57:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghkcgfsmjafrvyryewljpozy6wo6gxydqbhey5ra34fokroezxgq._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/251226-ypf85strax/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/31d423164c480b1ae238259697bb38f59de35f03804e4c7620df0ae545c4cdcd

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 31d423164c480b1ae238259697bb38f59de35f03804e4c7620df0ae545c4cdcd

(this sample)

Mirai

elf 3f1c917d6a89ee333b8cf6717aa1bf8c61fa19489433db1ee6813e3ade773703

  
URLhaus
https://urlhaus.abuse.ch/url/3744209/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3744234/
  
Dropping
SHA256 3f1c917d6a89ee333b8cf6717aa1bf8c61fa19489433db1ee6813e3ade773703
  
Dropping
MD5 c6124b27fb4f13a77fddb325cf378a44

Comments