MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b964204fec858a7a4ce20c36a969d9e167203ab23f19ee3213c4914104c3331. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 8b964204fec858a7a4ce20c36a969d9e167203ab23f19ee3213c4914104c3331
SHA3-384 hash: 786c7cb4cdfc432cad2a8bf925dfd53cbea5b191f28f973404b3f2ffa16f424c1c032a9efec5ab37fbe2e0451ea08728
SHA1 hash: ef7afb5b063f7de4d4caed2570689890522d674e
MD5 hash: 75eeb573562331e4c8812d251c37312c
humanhash: montana-lamp-india-california
File name:windy.sh4
Download: download sample
Signature Mirai
File size:80'384 bytes
First seen:2026-01-17 17:32:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:U/G/lVA7lvz4CXKLKIJjL74QN/VQC9yUxdM7A:Ue9VUx4CXKuI1J/VQ9OS7A
TLSH T19A73AE23C8AA1998D25C42B8B070FE3A5763E45056536FF7059BCA7AA047EDCF8093F5
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
99
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T16:30:00Z UTC
Last seen:
2026-01-18T14:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=76de007d-1b00-0000-0102-2858ba0d0000 pid=3514 /usr/bin/sudo guuid=3f31a27e-1b00-0000-0102-2858be0d0000 pid=3518 /tmp/sample.bin guuid=76de007d-1b00-0000-0102-2858ba0d0000 pid=3514->guuid=3f31a27e-1b00-0000-0102-2858be0d0000 pid=3518 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852556 Sample: windy.sh4.elf Startdate: 17/01/2026 Architecture: LINUX Score: 64 22 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->22 24 daisy.ubuntu.com 2->24 26 botsss.shadowbat8s88sww.qzz. 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 8 windy.sh4.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 windy.sh4.elf 8->12         started        14 windy.sh4.elf 8->14         started        16 windy.sh4.elf 8->16         started        process6 18 windy.sh4.elf 12->18         started        20 windy.sh4.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-13 15:16:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 8b964204fec858a7a4ce20c36a969d9e167203ab23f19ee3213c4914104c3331

(this sample)

  
Delivery method
Distributed via web download

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