MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3f8b01e09e948cb63a1dad3503ecad0d7c9a35c0c9715d036090c917e6663b7. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3f8b01e09e948cb63a1dad3503ecad0d7c9a35c0c9715d036090c917e6663b7
SHA3-384 hash: eabc96a34c6e77b5730142acb9f819465ecef0af2e0d6283fedc49684f4e52a48b40530471485d644c640ce3145c7258
SHA1 hash: 7fcffacdcb59b04c8ea5c88804013dc6d6de3897
MD5 hash: 7475aa0baeae0fdcf846021cc29d4d0f
humanhash: music-salami-salami-jupiter
File name:windy.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:104'040 bytes
First seen:2026-01-17 17:38:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:fOgitNptzKSJsv4v+BrG2iDwv7gO41mnQHW87Jiv9fxrOfzv0UXR:fOFtdzKIGLsZwv7gO42/w08
TLSH T1B8A32985FC819A12C5C5137BFB6E328D331673A4D2EE3207DE259F21338A59A0E7B651
telfhash t161c08c76601106ea2fe20b9182c8515e846bf6ac6b08308186c8f29d43e0c40b2a6066
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 ce2cb59ad460ac9f29a421caac7dd9d5587d7b6cf456728f84da43f5493a87d7
File size (compressed) :46'844 bytes
File size (de-compressed) :104'040 bytes
Format:linux/arm
Packed file: ce2cb59ad460ac9f29a421caac7dd9d5587d7b6cf456728f84da43f5493a87d7

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/8b576ad0-4156-4727-a58e-60d2de91aa1a/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-17T14:49:00Z UTC
Last seen:
2026-01-17T23:20:00Z 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
Link:
https://opentip.kaspersky.com/a3f8b01e09e948cb63a1dad3503ecad0d7c9a35c0c9715d036090c917e6663b7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c479849c-5633-4a76-884c-65f93b3b98cb
Behavior Graph:
Download SVG
%3 guuid=5c9d7519-1d00-0000-a2ba-0fa6580a0000 pid=2648 /usr/bin/sudo guuid=1a338a1c-1d00-0000-a2ba-0fa6620a0000 pid=2658 /tmp/sample.bin guuid=5c9d7519-1d00-0000-a2ba-0fa6580a0000 pid=2648->guuid=1a338a1c-1d00-0000-a2ba-0fa6620a0000 pid=2658 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e9d28eca-2338-4689-a3ac-1a50f57d5a43
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1852569
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852569 Sample: windy.arm.elf Startdate: 17/01/2026 Architecture: LINUX Score: 72 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 47.245.109.122, 37590, 37592, 37594 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 2->24 26 daisy.ubuntu.com 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 34 Yara detected Mirai 2->34 8 windy.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 windy.arm.elf 8->12         started        14 windy.arm.elf 8->14         started        16 windy.arm.elf 8->16         started        process6 18 windy.arm.elf 12->18         started        20 windy.arm.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a3f8b01e09e948cb63a1dad3503ecad0d7c9a35c0c9715d036090c917e6663b7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3f8b01e09e948cb63a1dad3503ecad0d7c9a35c0c9715d036090c917e6663b7/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a3f8b01e09e948cb63a1dad3503ecad0d7c9a35c0c9715d036090c917e6663b7
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-17 17:39:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=up4lahqj5femwy5b3ljvapwk2dl4ti24bslrlubwbegjc7tgmo3q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260117-v8my9ahw5a/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/54e4cf58-1b07-4a4c-8940-70d10e206ac3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a3f8b01e09e948cb63a1dad3503ecad0d7c9a35c0c9715d036090c917e6663b7

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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
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 ce2cb59ad460ac9f29a421caac7dd9d5587d7b6cf456728f84da43f5493a87d7

Mirai

elf a3f8b01e09e948cb63a1dad3503ecad0d7c9a35c0c9715d036090c917e6663b7

(this sample)

  
Dropped by
SHA256 ce2cb59ad460ac9f29a421caac7dd9d5587d7b6cf456728f84da43f5493a87d7
  
URLhaus
https://urlhaus.abuse.ch/url/3759533/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 801daa318d75b522554c9dcf404a8e1d

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