MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57a725a6b786bce7630aae16b038ac6317495137039036a8913009b0b2b60efd. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57a725a6b786bce7630aae16b038ac6317495137039036a8913009b0b2b60efd
SHA3-384 hash: 976176fdaff4f62c2e8148919421038f49bbc756401a406ce5e6abdfbedb2a60b57f5cc1dae12daa67b754eb3b3f885b
SHA1 hash: eea7860a6a2df9ec1e93b3cbde905b91f0854816
MD5 hash: e1935a498c4106cef28a1abe687e739d
humanhash: bluebird-music-double-violet
File name:old.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:78'928 bytes
First seen:2026-01-10 12:59:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:n8bw//RzreZ6ldbGzoFTgmxEyYXZsoLW1BvlUlXtMHOfEAC5wKEPcOKAuuvjM:n7//tyZ6ldbGzoFTgmx6ZsoS1BvlUlXT
TLSH T130734AD4F693E8F1DC070538707AEB229E33F1BA6139DA97D3E46933AC517029502A9C
telfhash t13221a1f9167e08e8e7d49800d20e0f65659ea77f746035f306b39424226fd87207bc79
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 :
45
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/7a05d2dc-f2ab-40fa-9088-6c2adbd8542d/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/69624d7e1a20a4c87b1a62b4/reports/ac655e8a-c173-4a2a-a337-d459077f11e6/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-10T10:47:00Z UTC
Last seen:
2026-01-10T12:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/57a725a6b786bce7630aae16b038ac6317495137039036a8913009b0b2b60efd/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/00b2f1f2-81bf-4733-9e4e-44c98ffaee7a
Behavior Graph:
Download SVG
%3 guuid=74fa3dfb-1900-0000-1a90-13fefc090000 pid=2556 /usr/bin/sudo guuid=a9c378fd-1900-0000-1a90-13fe030a0000 pid=2563 /tmp/sample.bin net guuid=74fa3dfb-1900-0000-1a90-13fefc090000 pid=2556->guuid=a9c378fd-1900-0000-1a90-13fe030a0000 pid=2563 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=a9c378fd-1900-0000-1a90-13fe030a0000 pid=2563->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2e06a3fd-1900-0000-1a90-13fe050a0000 pid=2565 /tmp/sample.bin guuid=a9c378fd-1900-0000-1a90-13fe030a0000 pid=2563->guuid=2e06a3fd-1900-0000-1a90-13fe050a0000 pid=2565 clone guuid=a066a7fd-1900-0000-1a90-13fe060a0000 pid=2566 /tmp/sample.bin guuid=a9c378fd-1900-0000-1a90-13fe030a0000 pid=2563->guuid=a066a7fd-1900-0000-1a90-13fe060a0000 pid=2566 clone guuid=8e5eacfd-1900-0000-1a90-13fe070a0000 pid=2567 /tmp/sample.bin net send-data zombie guuid=a9c378fd-1900-0000-1a90-13fe030a0000 pid=2563->guuid=8e5eacfd-1900-0000-1a90-13fe070a0000 pid=2567 clone guuid=8e5eacfd-1900-0000-1a90-13fe070a0000 pid=2567->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con b393e69b-4ba0-58b0-a654-8800266f5fb8 45.153.34.36:1999 guuid=8e5eacfd-1900-0000-1a90-13fe070a0000 pid=2567->b393e69b-4ba0-58b0-a654-8800266f5fb8 send: 7B guuid=e3b5f4fd-1900-0000-1a90-13fe090a0000 pid=2569 /tmp/sample.bin guuid=8e5eacfd-1900-0000-1a90-13fe070a0000 pid=2567->guuid=e3b5f4fd-1900-0000-1a90-13fe090a0000 pid=2569 clone guuid=09bafafd-1900-0000-1a90-13fe0a0a0000 pid=2570 /tmp/sample.bin guuid=8e5eacfd-1900-0000-1a90-13fe070a0000 pid=2567->guuid=09bafafd-1900-0000-1a90-13fe0a0a0000 pid=2570 clone guuid=9a8bfffd-1900-0000-1a90-13fe0b0a0000 pid=2571 /tmp/sample.bin net net-scan send-data guuid=8e5eacfd-1900-0000-1a90-13fe070a0000 pid=2567->guuid=9a8bfffd-1900-0000-1a90-13fe0b0a0000 pid=2571 clone guuid=9a8bfffd-1900-0000-1a90-13fe0b0a0000 pid=2571->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con b5d2e23d-230d-554a-8e0e-9f86db6baa56 159.108.226.84:23 guuid=9a8bfffd-1900-0000-1a90-13fe0b0a0000 pid=2571->b5d2e23d-230d-554a-8e0e-9f86db6baa56 send: 40B c2e7082d-d017-5e98-ac7e-d400dca31778 201.177.230.193:23 guuid=9a8bfffd-1900-0000-1a90-13fe0b0a0000 pid=2571->c2e7082d-d017-5e98-ac7e-d400dca31778 send: 292B guuid=9a8bfffd-1900-0000-1a90-13fe0b0a0000 pid=2571|send-data send-data to 4034 IP addresses review logs to see them all guuid=9a8bfffd-1900-0000-1a90-13fe0b0a0000 pid=2571->guuid=9a8bfffd-1900-0000-1a90-13fe0b0a0000 pid=2571|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7bd2b353-9c3b-4727-bb7e-937ebed30743
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1847889
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847889 Sample: old.x86.elf Startdate: 10/01/2026 Architecture: LINUX Score: 80 24 37.226.200.192 WINDTRE-ASIT Italy 2->24 26 147.229.152.34, 23 VUTBR-ASCZ Czech Republic 2->26 28 99 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 2 other signatures 2->36 8 old.x86.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 old.x86.elf 8->12         started        14 old.x86.elf 8->14         started        16 old.x86.elf 8->16         started        process6 18 old.x86.elf 12->18         started        20 old.x86.elf 12->20         started        22 old.x86.elf 12->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/57a725a6b786bce7630aae16b038ac6317495137039036a8913009b0b2b60efd
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57a725a6b786bce7630aae16b038ac6317495137039036a8913009b0b2b60efd/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-10 13:00:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k6tsljvxq26ooyykvyllaofmmmlusujxaoidnkergae3bmvwb36q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:owari defense_evasion discovery linux
Link:
https://tria.ge/reports/260110-p8yg4agy3h/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (48467) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/861bd656-3845-4d31-9dab-36ba0f44aee0
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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
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 57a725a6b786bce7630aae16b038ac6317495137039036a8913009b0b2b60efd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3755385/
  
Delivery method
Distributed via web download

Comments