MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b3767d7b50c24090104bb87f43b0585ce49be0b12b2f29c6fb878de2a23ab64. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: 5b3767d7b50c24090104bb87f43b0585ce49be0b12b2f29c6fb878de2a23ab64
SHA3-384 hash: 3fe5bb671f70772c8c1199a08d16ed7266dc32ed06b5a7be6f97ff7c679d6296b8e6b7cdc2bbba3288f6c4ec8789bb7a
SHA1 hash: d1a36acc8c9a466ff846452df04e74358672a671
MD5 hash: dc9387d041e12218b932c16072ce9244
humanhash: fix-lamp-yankee-quiet
File name:ecco.sh4
Download: download sample
Signature Mirai
File size:229'984 bytes
First seen:2025-12-05 16:41:38 UTC
Last seen:2025-12-07 00:47:20 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:vUa4MEpcDwwKuOmSrveahVFCqboxqzcx+I26X9EWrluLiiZW6hh1NAK:vUxrwKuOmS7BrboxqfodrKiipAK
TLSH T109248C62E832ADDCC2189175B4F4DF395B239440414B6EFAA6A7CB345087E9EF118BF4
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
71
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan 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-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-7136288-0
Unix.Trojan.Mirai-7138377-0
Unix.Trojan.Mirai-7674518-0
Unix.Trojan.Mirai-8025795-0
Unix.Trojan.Mirai-9441505-0
Unix.Trojan.Mirai-9807962-0
Unix.Trojan.Mirai-9808381-0
Unix.Trojan.Mirai-9858729-0
Unix.Trojan.Generic-9910198-0
Unix.Trojan.Generic-9910199-0
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-10042712-0
Unix.Trojan.Mirai-10058414-0
Unix.Packed.Botnet-6566031-0
Unix.Dropper.Botnet-6566040-0
Unix.Trojan.Gafgyt-6748839-0
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-05T12:02:00Z UTC
Last seen:
2025-12-06T20:21:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.ii HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Gafgyt.cn HEUR:Exploit.Linux.DLink.b HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Exploit.Linux.Netgear.b HEUR:Exploit.Linux.Netgear.a HEUR:Exploit.Linux.Mvpower.a HEUR:Exploit.Linux.CVE-2018-10561.a HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Exploit.Linux.DLink.a HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Exploit.Linux.Vacron.a
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
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
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: 1827404 Sample: ecco.sh4.elf Startdate: 05/12/2025 Architecture: LINUX Score: 100 58 208.38.89.48 WINDSTREAMUS United States 2->58 60 123.30.215.217 VNPT-AS-VNVNPTCorpVN Viet Nam 2->60 62 99 other IPs or domains 2->62 72 Suricata IDS alerts for network traffic 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for dropped file 2->76 78 6 other signatures 2->78 12 ecco.sh4.elf 2->12         started        signatures3 process4 process5 14 ecco.sh4.elf 12->14         started        process6 16 ecco.sh4.elf 14->16         started        file7 52 /etc/init.d/sysd, POSIX 16->52 dropped 64 Sample tries to set files in /etc globally writable 16->64 66 Drops files in suspicious directories 16->66 68 Sample tries to persist itself using System V runlevels 16->68 20 ecco.sh4.elf 16->20         started        23 ecco.sh4.elf sh 16->23         started        signatures8 process9 file10 54 /usr/Bin), ELF 20->54 dropped 25 ecco.sh4.elf 20->25         started        27 ecco.sh4.elf sh 20->27         started        29 ecco.sh4.elf 20->29         started        31 sh cp 23->31         started        process11 process12 33 ecco.sh4.elf 25->33         started        35 ecco.sh4.elf 25->35         started        37 ecco.sh4.elf 25->37         started        47 1003 other processes 25->47 39 sh crontab 27->39         started        43 sh 27->43         started        45 ecco.sh4.elf 29->45         started        file13 56 /var/spool/cron/crontabs/tmp.COI7BS, ASCII 39->56 dropped 80 Sample tries to persist itself using cron 39->80 82 Executes the "crontab" command typically for achieving persistence 39->82 49 sh crontab 43->49         started        84 Manipulation of devices in /dev 45->84 86 Deletes system log files 45->86 signatures14 process15 signatures16 70 Executes the "crontab" command typically for achieving persistence 49->70
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-12-05 16:42:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
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: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: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 5b3767d7b50c24090104bb87f43b0585ce49be0b12b2f29c6fb878de2a23ab64

(this sample)

  
Delivery method
Distributed via web download

Comments