MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5125ca8e6f62d315285d88c44567a6379c667d4449d576fb191c563cd51c97b7. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 5125ca8e6f62d315285d88c44567a6379c667d4449d576fb191c563cd51c97b7
SHA3-384 hash: 991a7ddcdb69c6684b10bf72529ab877ce71fbbda387758522fd7023bf4ea4f76d8b3fb5ec9aebf2d1574ca6bd49fcdc
SHA1 hash: fc6e9804531f65f361cd59963ed25f7bec54e25e
MD5 hash: ef29825218b41310fe731e79463cfb02
humanhash: xray-mike-spring-massachusetts
File name:ecco.x86
Download: download sample
Signature Mirai
File size:76'548 bytes
First seen:2025-12-05 19:03:44 UTC
Last seen:2025-12-05 22:59:02 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:6fjiFzpLFuwy3HPs96prFS+fo0H8K9yaOEf0U5nouy8ty0:6u1MNVpzo6D9y7fUoutZ
TLSH T185730267F1D226A7CC7E13308C3F289748B0964CB6A140C56FF624769D2432B77A9997
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 UPX
File size (compressed) :76'548 bytes
File size (de-compressed) :212'200 bytes
Format:linux/i386
Unpacked file: 417cb884a5ed947961e7982e6798a89ebf7094747c51234c2671591b11529c98

Intelligence


File Origin
# of uploads :
2
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-05T11:43:00Z UTC
Last seen:
2025-12-07T01:04:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.Netgear.b HEUR:Exploit.Linux.DLink.b HEUR:Backdoor.Linux.Mirai.ii HEUR:Exploit.Linux.Vacron.a HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Exploit.Linux.Mvpower.a HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.b HEUR:Exploit.Linux.Netgear.a HEUR:Exploit.Linux.DLink.a HEUR:Exploit.Linux.CVE-2018-10561.a HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Gafgyt.cn
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
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
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1827621 Sample: ecco.x86.elf Startdate: 05/12/2025 Architecture: LINUX Score: 100 76 206.146.2.34 ZAYO-MNUS United States 2->76 78 163.250.185.29 WEST-NET-WESTUS Chile 2->78 80 98 other IPs or domains 2->80 88 Malicious sample detected (through community Yara rule) 2->88 90 Multi AV Scanner detection for submitted file 2->90 92 Yara detected Gafgyt 2->92 94 3 other signatures 2->94 12 ecco.x86.elf 2->12         started        signatures3 process4 process5 14 ecco.x86.elf 12->14         started        process6 16 ecco.x86.elf 14->16         started        file7 68 /etc/init.d/sysd, POSIX 16->68 dropped 82 Sample tries to set files in /etc globally writable 16->82 84 Drops files in suspicious directories 16->84 86 Sample tries to persist itself using System V runlevels 16->86 20 ecco.x86.elf 16->20         started        22 ecco.x86.elf 16->22         started        25 ecco.x86.elf sh 16->25         started        signatures8 process9 file10 27 ecco.x86.elf 20->27         started        29 ecco.x86.elf sh 20->29         started        31 ecco.x86.elf 20->31         started        39 4 other processes 20->39 70 /usr/Bin), ELF 22->70 dropped 33 ecco.x86.elf 22->33         started        35 ecco.x86.elf sh 22->35         started        37 sh cp 25->37         started        process11 process12 55 756 other processes 27->55 41 sh crontab 29->41         started        45 sh 29->45         started        47 ecco.x86.elf 31->47         started        57 3 other processes 31->57 59 232 other processes 33->59 49 sh crontab 35->49         started        51 sh 35->51         started        53 ecco.x86.elf 39->53         started        file13 72 /var/spool/cron/crontabs/tmp.tTRxOW, ASCII 41->72 dropped 96 Sample tries to persist itself using cron 41->96 98 Executes the "crontab" command typically for achieving persistence 41->98 61 sh crontab 45->61         started        64 ecco.x86.elf 47->64         started        74 /var/spool/cron/crontabs/tmp.JdFiNL, ASCII 49->74 dropped 66 sh crontab 51->66         started        signatures14 process15 signatures16 100 Executes the "crontab" command typically for achieving persistence 61->100
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-05 18:58:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
UPX packed file
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (332408) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
draft22.redirectme.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 5125ca8e6f62d315285d88c44567a6379c667d4449d576fb191c563cd51c97b7

(this sample)

  
Delivery method
Distributed via web download

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