MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65b5a782c941346495e1c7e2f6bd858669bcf935c186e3ff3b5d143e65a124e8. 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: 15


Intelligence 15 IOCs YARA 15 File information Comments

SHA256 hash: 65b5a782c941346495e1c7e2f6bd858669bcf935c186e3ff3b5d143e65a124e8
SHA3-384 hash: 0f0b2969069f55b7abfa8abb4087f4f6a55d50d4e0bdc2cd89522d771fb9c9e391500f480954450c90f1c52c9ff7c6ef
SHA1 hash: f7b9004d4aa1616c628a44bfa0e305af3251d1aa
MD5 hash: 5ee31edb994240b552030fdfb2462906
humanhash: crazy-bluebird-fanta-fillet
File name:Fantazy.i686
Download: download sample
Signature Mirai
File size:78'608 bytes
First seen:2025-12-09 05:20:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Kt+qZs87flIJGrw7VODopsKqhGfbkzdit5mZaFvigERMSlcQ:Kt+grLqJGrw7EDop4hGfRgaFqgERzlcQ
TLSH T197733B85F9C745F6C9178934A1ABF23FCA31E5794070966DDF896F32DA27B01910228E
telfhash t16e1191ba27664dd837d05812f24b97307e19ab6b10107ab755f3253812a7991437bd34
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 :
48
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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Kills processes
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-08T19:24:00Z UTC
Last seen:
2025-12-09T07:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.dx
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1829268 Sample: Fantazy.i686.elf Startdate: 09/12/2025 Architecture: LINUX Score: 76 100 203.133.159.56, 23 ZLANZTVCOLTDJP Japan 2->100 102 113.215.56.169 WASUHZHuashumediaNetworkLimitedCN China 2->102 104 99 other IPs or domains 2->104 110 Malicious sample detected (through community Yara rule) 2->110 112 Antivirus / Scanner detection for submitted sample 2->112 114 Multi AV Scanner detection for submitted file 2->114 11 systemd gdm3 2->11         started        13 systemd gdm3 2->13         started        15 systemd gpu-manager 2->15         started        17 88 other processes 2->17 signatures3 process4 file5 21 gdm3 gdm-session-worker 11->21         started        31 3 other processes 11->31 23 gdm3 gdm-session-worker 13->23         started        33 3 other processes 13->33 35 8 other processes 15->35 98 /var/log/wtmp, data 17->98 dropped 106 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->106 108 Reads system files that contain records of logged in users 17->108 25 Fantazy.i686.elf 17->25         started        27 accounts-daemon language-validate 17->27         started        29 accounts-daemon language-validate 17->29         started        37 35 other processes 17->37 signatures6 process7 process8 39 gdm-session-worker gdm-wayland-session 21->39         started        41 gdm-session-worker gdm-wayland-session 23->41         started        43 Fantazy.i686.elf 25->43         started        52 2 other processes 25->52 46 language-validate language-options 27->46         started        48 language-validate language-options 29->48         started        54 8 other processes 35->54 50 language-validate language-options 37->50         started        56 26 other processes 37->56 signatures9 58 gdm-wayland-session dbus-run-session 39->58         started        60 gdm-wayland-session dbus-daemon 39->60         started        63 gdm-wayland-session dbus-run-session 41->63         started        65 gdm-wayland-session dbus-daemon 41->65         started        116 Sample tries to kill multiple processes (SIGKILL) 43->116 67 language-options sh 46->67         started        69 language-options sh 48->69         started        71 language-options sh 50->71         started        73 language-options sh 56->73         started        process10 signatures11 75 dbus-run-session dbus-daemon 58->75         started        120 Sample reads /proc/mounts (often used for finding a writable filesystem) 60->120 78 dbus-daemon 60->78         started        80 dbus-run-session dbus-daemon 63->80         started        82 dbus-daemon 65->82         started        84 sh locale 67->84         started        86 sh grep 67->86         started        88 2 other processes 69->88 90 2 other processes 71->90 92 2 other processes 73->92 process12 signatures13 118 Sample reads /proc/mounts (often used for finding a writable filesystem) 75->118 94 dbus-daemon false 78->94         started        96 dbus-daemon false 82->96         started        process14
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-09 01:32:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai credential_access defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (23684) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
katana.chernobyl.network
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7135937-0
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_c8385b81 Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_3a85a418 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_575f5bc8 Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_3278f1b8 Linux_Trojan_Mirai_cc93863b
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:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3278f1b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_575f5bc8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_c8385b81
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information


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

Web download

Mirai

elf 65b5a782c941346495e1c7e2f6bd858669bcf935c186e3ff3b5d143e65a124e8

(this sample)

  
Delivery method
Distributed via web download

Comments