MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b55b85e421b0984692514508133f910eb56d9272e033171d762e887282a67b94. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b55b85e421b0984692514508133f910eb56d9272e033171d762e887282a67b94
SHA3-384 hash: 2f8211f8869d7382f4375a99897087ae7e6f66a03985da57560b45fbc775874c8bdf67b9b2a58103326c1368b1ff11ca
SHA1 hash: 3e56637c585bccd4b39ed2f74951faf0d38acbd2
MD5 hash: c84941d8ad1e59daf81ec62423e9fe5d
humanhash: saturn-eleven-triple-jersey
File name:windy.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:67'420 bytes
First seen:2025-12-26 19:57:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:hJeZWmgxe4ECwrc9n97cKhdyFw4r453KT4yAUOpzv2ZHjgA+bSRbx9q3UELlKCng:iVnCwQ99bz8wjO4xzpDxNSRbkL1B9Ps
TLSH T180630265134AEA966030ECF352F45987BB3C5DACD1AE720308B52DC9F164E16E9FB482
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 UPX
File size (compressed) :67'420 bytes
File size (de-compressed) :176'507 bytes
Format:linux/arm
Unpacked file: 6823c1b4f2a9c3e0615d3765e6a91c2ad8e1107c07c0b7d2c7eb3b46ad4aee8b

Intelligence

File Origin
# of uploads :
1
# of downloads :
28
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6fe44658-1a8e-4242-bfc6-ee4677e795ba/
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/694ee8d584afa5547b5e82ad/reports/e90e6108-c6f8-4928-ae31-ce8840cc6cc0/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6e7ef232-f5ad-424c-955b-0fc8c19b0f7a
Behavior Graph:
Download SVG
%3 guuid=959040c0-1900-0000-92c3-3fd26c090000 pid=2412 /usr/bin/sudo guuid=6e32dfc2-1900-0000-92c3-3fd26e090000 pid=2414 /tmp/sample.bin guuid=959040c0-1900-0000-92c3-3fd26c090000 pid=2412->guuid=6e32dfc2-1900-0000-92c3-3fd26e090000 pid=2414 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c56d870-5b52-4d3c-b67b-4972691c150e
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1840004
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840004 Sample: windy.arm7.elf Startdate: 26/12/2025 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       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b55b85e421b0984692514508133f910eb56d9272e033171d762e887282a67b94
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b55b85e421b0984692514508133f910eb56d9272e033171d762e887282a67b94/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvnylzbbwcmenesriuebgp4rb22w3ets4azrohlwf2ehfavgpoka._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251226-ypmqxswrhq/
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 b55b85e421b0984692514508133f910eb56d9272e033171d762e887282a67b94

(this sample)

Mirai

elf 6823c1b4f2a9c3e0615d3765e6a91c2ad8e1107c07c0b7d2c7eb3b46ad4aee8b

  
URLhaus
https://urlhaus.abuse.ch/url/3744243/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3744253/
  
Dropping
SHA256 6823c1b4f2a9c3e0615d3765e6a91c2ad8e1107c07c0b7d2c7eb3b46ad4aee8b
  
Dropping
MD5 ce097c788727547644508416f3e4eb27

Comments