MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c03e74290ffbc6332f3d357d54853000ea53f19ee0fa3fb36d466989c48826f. 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 13 File information Comments

SHA256 hash: 5c03e74290ffbc6332f3d357d54853000ea53f19ee0fa3fb36d466989c48826f
SHA3-384 hash: 57df95d34b7550524898e09eb510930363440c776facd18739d88829d7c4d807dcd194084bbbc22ffef3bd61aed72c64
SHA1 hash: 97a2f81bcec1a444d5774f153962e092cca08e40
MD5 hash: 33cbf1d616d30881dce372a9fc4bc0f7
humanhash: florida-minnesota-don-charlie
File name:top1miku.x86_64
Download: download sample
Signature Mirai
File size:160'296 bytes
First seen:2025-07-18 06:03:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:oL+mHqbFAySLM35qFdJyaPIeT1u1CHeEuO48SsGkCOK1bX:oLHQutZQkZSSqT
TLSH T10EF35A07B4C084FDC4DAC1744BEFA136E972F22D5238B15B27C5AE262E4DE216F6D690
telfhash t19951cf7429aa3e58a1fbd29a734de968e871095015e078f4df7b2ce1cfa27c50e71062
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Deletes a file
Sets a written file as executable
Launching a process
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
130
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 161.97.77.188:2004
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=14c78b8a-1600-0000-aa2f-b07fd10c0000 pid=3281 /usr/bin/sudo guuid=23228f8c-1600-0000-aa2f-b07fd50c0000 pid=3285 /tmp/sample.bin net guuid=14c78b8a-1600-0000-aa2f-b07fd10c0000 pid=3281->guuid=23228f8c-1600-0000-aa2f-b07fd50c0000 pid=3285 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=23228f8c-1600-0000-aa2f-b07fd50c0000 pid=3285->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=7c8fa88c-1600-0000-aa2f-b07fd70c0000 pid=3287 /tmp/sample.bin zombie guuid=23228f8c-1600-0000-aa2f-b07fd50c0000 pid=3285->guuid=7c8fa88c-1600-0000-aa2f-b07fd70c0000 pid=3287 clone guuid=048cb28c-1600-0000-aa2f-b07fd80c0000 pid=3288 /tmp/sample.bin write-config zombie guuid=7c8fa88c-1600-0000-aa2f-b07fd70c0000 pid=3287->guuid=048cb28c-1600-0000-aa2f-b07fd80c0000 pid=3288 clone guuid=45ef3b8d-1600-0000-aa2f-b07fda0c0000 pid=3290 /usr/bin/dash guuid=048cb28c-1600-0000-aa2f-b07fd80c0000 pid=3288->guuid=45ef3b8d-1600-0000-aa2f-b07fda0c0000 pid=3290 execve guuid=e460388e-1600-0000-aa2f-b07fde0c0000 pid=3294 /tmp/sample.bin delete-file dns net send-data guuid=048cb28c-1600-0000-aa2f-b07fd80c0000 pid=3288->guuid=e460388e-1600-0000-aa2f-b07fde0c0000 pid=3294 clone guuid=1ce1648d-1600-0000-aa2f-b07fdb0c0000 pid=3291 /usr/bin/cp guuid=45ef3b8d-1600-0000-aa2f-b07fda0c0000 pid=3290->guuid=1ce1648d-1600-0000-aa2f-b07fdb0c0000 pid=3291 execve guuid=e460388e-1600-0000-aa2f-b07fde0c0000 pid=3294->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 38B a1cb65f6-afd3-5a3a-9fa0-f13741392136 top1miku.duckdns.org:2004 guuid=e460388e-1600-0000-aa2f-b07fde0c0000 pid=3294->a1cb65f6-afd3-5a3a-9fa0-f13741392136 send: 9B
Result
Threat name:
Gafgyt, Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
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 Gafgyt
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1739376 Sample: top1miku.x86_64.elf Startdate: 18/07/2025 Architecture: LINUX Score: 100 36 top1miku.duckdns.org 2->36 38 109.202.202.202, 80 INIT7CH Switzerland 2->38 40 4 other IPs or domains 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected Gafgyt 2->46 50 2 other signatures 2->50 10 top1miku.x86_64.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 60 Found strings related to Crypto-Mining 10->60 17 top1miku.x86_64.elf 10->17         started        process6 process7 19 top1miku.x86_64.elf 17->19         started        file8 32 /etc/init.d/sysd, POSIX 19->32 dropped 52 Sample tries to set files in /etc globally writable 19->52 54 Drops files in suspicious directories 19->54 56 Sample tries to persist itself using System V runlevels 19->56 23 top1miku.x86_64.elf sh 19->23         started        25 top1miku.x86_64.elf 19->25         started        signatures9 process10 signatures11 28 sh cp 23->28         started        58 Sample deletes itself 25->58 process12 file13 34 /usr/bin/.sh, ELF 28->34 dropped 62 Drops invisible ELF files 28->62 64 Drops files in suspicious directories 28->64 signatures14
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-18 06:04:25 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence
Behaviour
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:
trojan gafgyt mirai Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:unixredflags3
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 5c03e74290ffbc6332f3d357d54853000ea53f19ee0fa3fb36d466989c48826f

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments