MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8635582d86a4bdb208d46a307c108fde79e1acba5ac62937b816bbe82e476fc4. 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 2 File information Comments

SHA256 hash: 8635582d86a4bdb208d46a307c108fde79e1acba5ac62937b816bbe82e476fc4
SHA3-384 hash: b934c95bd7c2df2e9fddd7502765526cca23d571e0bb1e21cd3e290a1cd5ce0f6f50d52b7aefc89b57c1671b341dee0d
SHA1 hash: bbe40208b4039f9266cf4093021ff20b7a67bc09
MD5 hash: 3df559b843a2527ad69a26039f33f50e
humanhash: venus-robin-aspen-enemy
File name:windy.i686
Download: download sample
Signature Mirai
File size:41'304 bytes
First seen:2025-10-18 16:11:00 UTC
Last seen:2025-10-19 04:03:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:+2xIg7G1/o/nvlTd++o8mhbuj68W4QDc8+iCMedj4XuBCYnbcuyD7UHQRjd:TKL1A/NTdxqhbL81mc86Medj4XuBCYn0
TLSH T1FD03E1D5A4F75244E63E153C09B7F6210C324161AD340AE2EC9C2577B64FFE6A26CAD4
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 :
2
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-18T13:23:00Z UTC
Last seen:
2025-10-19T23:46:00Z UTC
Hits:
~10
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
Status:
terminated
Behavior Graph:
%3 guuid=ea356741-1e00-0000-5aae-2d4d090c0000 pid=3081 /usr/bin/sudo guuid=a3d3b843-1e00-0000-5aae-2d4d0f0c0000 pid=3087 /tmp/sample.bin net guuid=ea356741-1e00-0000-5aae-2d4d090c0000 pid=3081->guuid=a3d3b843-1e00-0000-5aae-2d4d0f0c0000 pid=3087 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=a3d3b843-1e00-0000-5aae-2d4d0f0c0000 pid=3087->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=31306349-1e00-0000-5aae-2d4d110c0000 pid=3089 /tmp/sample.bin guuid=a3d3b843-1e00-0000-5aae-2d4d0f0c0000 pid=3087->guuid=31306349-1e00-0000-5aae-2d4d110c0000 pid=3089 clone guuid=1aedab75-1f00-0000-5aae-2d4d8e0e0000 pid=3726 /tmp/sample.bin guuid=a3d3b843-1e00-0000-5aae-2d4d0f0c0000 pid=3087->guuid=1aedab75-1f00-0000-5aae-2d4d8e0e0000 pid=3726 clone guuid=5c1fb375-1f00-0000-5aae-2d4d8f0e0000 pid=3727 /tmp/sample.bin net send-data zombie guuid=a3d3b843-1e00-0000-5aae-2d4d0f0c0000 pid=3087->guuid=5c1fb375-1f00-0000-5aae-2d4d8f0e0000 pid=3727 clone guuid=17cb6a49-1e00-0000-5aae-2d4d120c0000 pid=3090 /tmp/sample.bin guuid=31306349-1e00-0000-5aae-2d4d110c0000 pid=3089->guuid=17cb6a49-1e00-0000-5aae-2d4d120c0000 pid=3090 clone guuid=f8f56f49-1e00-0000-5aae-2d4d130c0000 pid=3091 /tmp/sample.bin dns net send-data zombie guuid=31306349-1e00-0000-5aae-2d4d110c0000 pid=3089->guuid=f8f56f49-1e00-0000-5aae-2d4d130c0000 pid=3091 clone guuid=f8f56f49-1e00-0000-5aae-2d4d130c0000 pid=3091->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 45B 0ecf02bb-0e2c-5ebd-8166-f09908e50581 mirailoversddos.duckdns.org:69 guuid=f8f56f49-1e00-0000-5aae-2d4d130c0000 pid=3091->0ecf02bb-0e2c-5ebd-8166-f09908e50581 send: 10B guuid=5c1fb375-1f00-0000-5aae-2d4d8f0e0000 pid=3727->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1380B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=5c1fb375-1f00-0000-5aae-2d4d8f0e0000 pid=3727->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797677 Sample: windy.i686.elf Startdate: 18/10/2025 Architecture: LINUX Score: 64 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 windy.i686.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 windy.i686.elf 8->12         started        14 windy.i686.elf 8->14         started        16 windy.i686.elf 8->16         started        process6 18 windy.i686.elf 12->18         started        20 windy.i686.elf 12->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-10-18 16:20:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
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.

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
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 8635582d86a4bdb208d46a307c108fde79e1acba5ac62937b816bbe82e476fc4

(this sample)

  
Delivery method
Distributed via web download

Comments