MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4764a1efb1dda2cc50f294de2884f1a67b68acbcf6d3fdb168c26ae59b599028. 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: 4764a1efb1dda2cc50f294de2884f1a67b68acbcf6d3fdb168c26ae59b599028
SHA3-384 hash: d13c51498eefd4fe1b15a4c7acc583d4a690675771252b29054445c5312b8267b8a227496bc221295c0ca46938c4be9a
SHA1 hash: 57de5be8dd283c6b6e72516261a4fbbb78a700c6
MD5 hash: 8d55960d1d4ab27227cff2158c832ab7
humanhash: kansas-beer-jig-hotel
File name:top1miku.armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:198'813 bytes
First seen:2025-07-20 06:49:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:Y8QgejxJKt0xakFyXBho5Nb4k217/DM/9YNLYlmMwazEvY:Y9gejHKt0xakFyXBhmcVVA/+NamMdzQY
TLSH T1AF144C42EA918A13C4D317BAB69F42453323A764D3EB73069918AFF43F8779E0E63505
telfhash t1a5311e715b3511259ea1d928dceca3b2512e9b021305ef32df39c48c182e49be13ac0f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
18
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
DNS request
Receives data from a server
Runs as daemon
Sets a written file as executable
Opens a port
Sets a file as executable
Launching a process
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin mirai obfuscated remote
Link:
https://www.filescan.io/uploads/687c91f07bc45bdee1b21878/reports/aaaf776f-342f-4c55-88ee-2ea4bfe62169/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
2323,23,37215
Full report:
https://elfdigest.com/brief/4764a1efb1dda2cc50f294de2884f1a67b68acbcf6d3fdb168c26ae59b599028
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/38f17ba6-72c4-466c-b091-7b37eb3c2965
Behavior Graph:
Download SVG
%3 guuid=29e80c10-1b00-0000-d618-60d4650c0000 pid=3173 /usr/bin/sudo guuid=f404a412-1b00-0000-d618-60d4660c0000 pid=3174 /tmp/sample.bin guuid=29e80c10-1b00-0000-d618-60d4650c0000 pid=3173->guuid=f404a412-1b00-0000-d618-60d4660c0000 pid=3174 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/897d94f3-c3fd-4afe-ba85-d95f4cf37a35
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1740347
Signature
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
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: 1740347 Sample: top1miku.armv7l.elf Startdate: 20/07/2025 Architecture: LINUX Score: 100 54 top1miku.duckdns.org 2->54 56 206.74.104.69 WCCL-ASUS United States 2->56 58 99 other IPs or domains 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Yara detected Mirai 2->62 64 Yara detected Xmrig cryptocurrency miner 2->64 66 Connects to many ports of the same IP (likely port scanning) 2->66 10 top1miku.armv7l.elf 2->10         started        13 xfce4-session xfce4-panel 2->13         started        15 gnome-session-binary sh gnome-shell 2->15         started        17 10 other processes 2->17 signatures3 68 Uses dynamic DNS services 54->68 process4 signatures5 76 Found strings related to Crypto-Mining 10->76 19 top1miku.armv7l.elf 10->19         started        21 xfce4-panel 13->21         started        23 xfce4-panel 13->23         started        25 xfce4-panel 13->25         started        27 19 other processes 13->27 78 Sample reads /proc/mounts (often used for finding a writable filesystem) 15->78 process6 process7 29 top1miku.armv7l.elf 19->29         started        file8 52 /etc/init.d/sysd, POSIX 29->52 dropped 80 Sample tries to set files in /etc globally writable 29->80 82 Drops files in suspicious directories 29->82 84 Sample tries to persist itself using System V runlevels 29->84 33 top1miku.armv7l.elf sh 29->33         started        35 top1miku.armv7l.elf 29->35         started        signatures9 process10 signatures11 38 sh cp 33->38         started        70 Sample tries to kill multiple processes (SIGKILL) 35->70 42 top1miku.armv7l.elf sh 35->42         started        44 top1miku.armv7l.elf sh 35->44         started        46 top1miku.armv7l.elf sh 35->46         started        48 10 other processes 35->48 process12 file13 50 /usr/bin/.sh, ELF 38->50 dropped 72 Drops invisible ELF files 38->72 74 Drops files in suspicious directories 38->74 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4764a1efb1dda2cc50f294de2884f1a67b68acbcf6d3fdb168c26ae59b599028
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4764a1efb1dda2cc50f294de2884f1a67b68acbcf6d3fdb168c26ae59b599028/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-19 18:25:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 35 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i5skd35r3wrmyuhsstpcrbhruz5wrlf463j73mliyjvolg2zsaua._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery execution persistence
Link:
https://tria.ge/reports/250720-hmpjqshp4w/
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
File and Directory Permissions Modification
Contacts a large (723522) amount of remote hosts
Creates a large amount of network flows
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/eaa83b2f-a91b-4590-80e7-eae891ed2ecb
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/4764a1efb1dda2cc50f294de2884f1a67b68acbcf6d3fdb168c26ae59b599028

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 4764a1efb1dda2cc50f294de2884f1a67b68acbcf6d3fdb168c26ae59b599028

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3586262/
  
Delivery method
Distributed via web download

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