MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20db703a00f5f5c1acd937c4ed88a99994aa0c41165b9de67c43cbd0893680ef. 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 3 File information Comments

SHA256 hash: 20db703a00f5f5c1acd937c4ed88a99994aa0c41165b9de67c43cbd0893680ef
SHA3-384 hash: 3e35cd73616f9ef4c5d3972769fa35c628540a7298805cbc5a9c3ad9d7043dcca4b238a2ac7a870d45f26c17d5924c71
SHA1 hash: 71b58b47b4e28804c720976d6b959cf1a410000c
MD5 hash: 195ecec903ce945cf2177f521077f51f
humanhash: kentucky-stairway-finch-white
File name:windy.arm7
Download: download sample
Signature Mirai
File size:67'416 bytes
First seen:2025-10-18 16:11:02 UTC
Last seen:2025-10-18 18:16:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:LRMSbdHYEnQfaib05SM7ZAaq5mAHL/B9kU+09Zq:LCSbJYEnLVjZAaqMcLpmU+0zq
TLSH T123630235518734C287420A72C9C8C8C7BD3C1AFD95BEB5474EB5C97C22A6648BEB5D0E
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) :67'416 bytes
File size (de-compressed) :176'515 bytes
Format:linux/arm
Unpacked file: 73effb28b9ee5f1cbbe304c5118ee0ef98da5f500ac82d2f0a991d10ade695e1

Intelligence


File Origin
# of uploads :
3
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-18T13:25:00Z UTC
Last seen:
2025-10-19T23:44:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Status:
terminated
Behavior Graph:
%3 guuid=3a4871c0-2100-0000-ef8c-8365610c0000 pid=3169 /usr/bin/sudo guuid=4ca90ec3-2100-0000-ef8c-8365650c0000 pid=3173 /tmp/sample.bin guuid=3a4871c0-2100-0000-ef8c-8365610c0000 pid=3169->guuid=4ca90ec3-2100-0000-ef8c-8365650c0000 pid=3173 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797676 Sample: windy.arm7.elf Startdate: 18/10/2025 Architecture: LINUX Score: 52 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->24 26 daisy.ubuntu.com 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Sample is packed with UPX 2->30 8 windy.arm7.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 windy.arm7.elf 8->12         started        14 windy.arm7.elf 8->14         started        16 windy.arm7.elf 8->16         started        process6 18 windy.arm7.elf 12->18         started        20 windy.arm7.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-18 16:16:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 20db703a00f5f5c1acd937c4ed88a99994aa0c41165b9de67c43cbd0893680ef

(this sample)

  
Delivery method
Distributed via web download

Comments