MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15b65716d6044566c43046a0dfff7cb699890dd5ea4b8bc120b72e38d3f7394e. 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 10 File information Comments

SHA256 hash: 15b65716d6044566c43046a0dfff7cb699890dd5ea4b8bc120b72e38d3f7394e
SHA3-384 hash: 5a4fcbdfb9f07e22d7047c339bc58f2617ef9ca2e517c71491bcc508536121b2d5ecb52cfccf609579605608013837aa
SHA1 hash: f2e414ff6fd85c8fad89db92c692da190b6d4a27
MD5 hash: 668d89ad3b3b3d4923ed2a41dc594d83
humanhash: beer-wisconsin-cat-spring
File name:ecco.arm7
Download: download sample
Signature Mirai
File size:332'849 bytes
First seen:2025-12-04 21:18:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:80Hg/DvEQaeE9IHzbBSxfrka/MaBpXT8VebF6N0aqO2ZZRM/Rom32eCgHmSm8:80A/DvEBeCIHzMxfrkaEaBpXTYeB6M7U
TLSH T1EB643A46EA418E23C4C617B6F6AF4245333397A4D3E7B2069A285FB43BC775E0E23645
telfhash t1b25187f18b3a8d215e72fb189ced9b61656fca164645fe33df12c88c501600ed616c5f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 4804240c1a0547c1b2a11e020c87f27cc86eba76ab724c536bad0b3afd8b0fae
File size (compressed) :110'284 bytes
File size (de-compressed) :332'849 bytes
Format:linux/arm
Packed file: 4804240c1a0547c1b2a11e020c87f27cc86eba76ab724c536bad0b3afd8b0fae

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
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
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Sanesecurity.Malware.30435.LC.UNOFFICIAL
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Sanesecurity.Malware.29001.LCM.UNOFFICIAL
Unix.Trojan.Mirai-7100807-0
Unix.Dropper.Mirai-7135870-0
Unix.Dropper.Mirai-7135881-0
Unix.Dropper.Mirai-7135897-0
Unix.Dropper.Mirai-7135901-0
Unix.Dropper.Mirai-7135909-0
Unix.Trojan.Mirai-7135916-0
Unix.Dropper.Mirai-7135918-0
Unix.Dropper.Mirai-7135925-0
Unix.Dropper.Mirai-7135954-0
Unix.Dropper.Mirai-7135996-0
Unix.Dropper.Mirai-7136013-0
Unix.Dropper.Mirai-7136016-0
Unix.Dropper.Mirai-7136017-0
Unix.Dropper.Mirai-7136028-0
Unix.Dropper.Mirai-7136033-0
Unix.Dropper.Mirai-7136057-0
Unix.Dropper.Mirai-7139229-0
Unix.Trojan.Mirai-8025795-0
Unix.Trojan.Mirai-9441505-0
Unix.Trojan.Mirai-9760303-0
Unix.Trojan.Mirai-9807962-0
Unix.Trojan.Mirai-9808381-0
Unix.Trojan.Mirai-9858729-0
Unix.Dropper.Mirai-9977145-0
Unix.Dropper.Mirai-10007027-0
Unix.Trojan.Mirai-10009361-0
Unix.Trojan.Mirai-10011027-0
Unix.Trojan.Mirai-10011918-0
Unix.Trojan.Mirai-10058414-0
Unix.Trojan.Mirai-5607483-0
Unix.Packed.Botnet-6566031-0
Unix.Dropper.Botnet-6566040-0
Unix.Trojan.Gafgyt-6748839-0
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-04T17:36:00Z UTC
Last seen:
2025-12-04T19:53:00Z UTC
Hits:
~10
Result
Threat name:
Mirai, Gafgyt
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826817 Sample: ecco.arm7.elf Startdate: 04/12/2025 Architecture: LINUX Score: 100 54 82.93.81.189 XS4ALL-NLAmsterdamNL Netherlands 2->54 56 190.101.86.193 VTRBANDAANCHASACL Chile 2->56 58 98 other IPs or domains 2->58 66 Suricata IDS alerts for network traffic 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus detection for dropped file 2->70 72 4 other signatures 2->72 12 ecco.arm7.elf 2->12         started        signatures3 process4 process5 14 ecco.arm7.elf 12->14         started        process6 16 ecco.arm7.elf 14->16         started        file7 48 /etc/init.d/sysd, POSIX 16->48 dropped 60 Sample tries to set files in /etc globally writable 16->60 62 Drops files in suspicious directories 16->62 64 Sample tries to persist itself using System V runlevels 16->64 20 ecco.arm7.elf 16->20         started        23 ecco.arm7.elf sh 16->23         started        signatures8 process9 file10 50 /usr/Bin), ELF 20->50 dropped 25 ecco.arm7.elf 20->25         started        27 ecco.arm7.elf sh 20->27         started        29 sh cp 23->29         started        process11 process12 31 ecco.arm7.elf 25->31         started        33 ecco.arm7.elf 25->33         started        35 ecco.arm7.elf 25->35         started        43 1005 other processes 25->43 37 sh crontab 27->37         started        41 sh 27->41         started        file13 52 /var/spool/cron/crontabs/tmp.mS425Q, ASCII 37->52 dropped 74 Sample tries to persist itself using cron 37->74 76 Executes the "crontab" command typically for achieving persistence 37->76 45 sh crontab 41->45         started        signatures14 process15 signatures16 78 Executes the "crontab" command typically for achieving persistence 45->78
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-12-04 21:19:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Modifies Watchdog functionality
Contacts a large (281301) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
draft22.redirectme.net
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 15b65716d6044566c43046a0dfff7cb699890dd5ea4b8bc120b72e38d3f7394e

(this sample)

  
Delivery method
Distributed via web download

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