MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21fde295094321e113cc7fe87fb3dc1230c4f602a21ea1919997e9289d683194. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21fde295094321e113cc7fe87fb3dc1230c4f602a21ea1919997e9289d683194
SHA3-384 hash: e3a9c408f872ebd6a09a09364c01565b4d09eb28e3cdc56269e751bd14c6e5491b6341f991efbc3307464b7d295074c8
SHA1 hash: 786dffad55690eb3b16777c32bc7bb65a5f48313
MD5 hash: e5e43c7b2f5162217646723e0a49eed4
humanhash: carolina-florida-mirror-november
File name:top1miku.armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:177'668 bytes
First seen:2025-07-18 06:46:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:iCxk8KGPZWiy5qygBahNYFIh6nwyHJbRqgI4snJqdM/9TKojum/walaY:jxk8KGPjy4pBahNYFIhMwabDI4snJ0M9
TLSH T1FF043B46EB418A13C4D327B9BADB42453323AB64D7EB330599286FF43F8679E0E63505
telfhash t1ae310b316b3015186ea1c924dcec97b2552a9b061305aa32df3ac49c181e49fe63ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
22
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Multios.Coinminer.Miner-6781728-2
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Sets a written file as executable
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Launching a process
Writes files to system directory
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc mirai rust
Link:
https://www.filescan.io/uploads/6879edc18a7d628a81b5ddfa/reports/9600456c-def1-461d-848b-791b3f5dd674/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/21fde295094321e113cc7fe87fb3dc1230c4f602a21ea1919997e9289d683194
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/46760a94-4422-4d7e-8df5-c520aa23aa0e
Behavior Graph:
Download SVG
%3 guuid=c26fdb15-1800-0000-6676-9e5de00c0000 pid=3296 /usr/bin/sudo guuid=aaca1c18-1800-0000-6676-9e5de60c0000 pid=3302 /tmp/sample.bin guuid=c26fdb15-1800-0000-6676-9e5de00c0000 pid=3296->guuid=aaca1c18-1800-0000-6676-9e5de60c0000 pid=3302 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7090951a-3d61-426b-9b77-06890c456c3b
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1739426
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Uses dynamic DNS services
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1739426 Sample: top1miku.armv7l.elf Startdate: 18/07/2025 Architecture: LINUX Score: 92 36 top1miku.duckdns.org 2->36 38 109.202.202.202, 80 INIT7CH Switzerland 2->38 40 3 other IPs or domains 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 46 Yara detected Xmrig cryptocurrency miner 2->46 10 top1miku.armv7l.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 48 Uses dynamic DNS services 36->48 process4 signatures5 58 Found strings related to Crypto-Mining 10->58 17 top1miku.armv7l.elf 10->17         started        process6 process7 19 top1miku.armv7l.elf 17->19         started        file8 32 /etc/init.d/sysd, POSIX 19->32 dropped 50 Sample tries to set files in /etc globally writable 19->50 52 Drops files in suspicious directories 19->52 54 Sample tries to persist itself using System V runlevels 19->54 23 top1miku.armv7l.elf sh 19->23         started        25 top1miku.armv7l.elf 19->25         started        signatures9 process10 signatures11 28 sh cp 23->28         started        56 Sample deletes itself 25->56 process12 file13 34 /usr/bin/.sh, ELF 28->34 dropped 60 Drops invisible ELF files 28->60 62 Drops files in suspicious directories 28->62 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21fde295094321e113cc7fe87fb3dc1230c4f602a21ea1919997e9289d683194
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21fde295094321e113cc7fe87fb3dc1230c4f602a21ea1919997e9289d683194/
Verdict:
Malicious
Threat:
Linux.Backdoor.Mirai
Link:
https://tip.neiki.dev/file/21fde295094321e113cc7fe87fb3dc1230c4f602a21ea1919997e9289d683194
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-18 06:46:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eh66ffijimq6ce6mp7uh7m64ciymj5qcuipkdemzs7usrhliggka._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery execution persistence
Link:
https://tria.ge/reports/250718-hjtz2sej51/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Deletes itself
Mirai
Mirai family
Malware Config
C2 Extraction:
top1miku.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135925-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2f03bb4e-5e04-4a46-9c6f-7a40d2fc8e2f
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/21fde295094321e113cc7fe87fb3dc1230c4f602a21ea1919997e9289d683194

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:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 21fde295094321e113cc7fe87fb3dc1230c4f602a21ea1919997e9289d683194

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3585019/
  
Delivery method
Distributed via web download

Comments