MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5443d764e399f0cd44ef17ea0940db73fc635045faa26f0ce8a4d8b3453b5988. 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: 5443d764e399f0cd44ef17ea0940db73fc635045faa26f0ce8a4d8b3453b5988
SHA3-384 hash: 0fc45a947256b10f9d14c1bcb906d358d79fb747101ded99b7363ce79efe43d1cf01d17348b41ed31c2fe68be078c271
SHA1 hash: b278a69a6afc344099d4b7bbf57c73e1d4bcd517
MD5 hash: c512e1d776de9011c88814e828b5df23
humanhash: twenty-quiet-pluto-mexico
File name:Fantazy.x86_64
Download: download sample
Signature Mirai
File size:60'192 bytes
First seen:2026-01-07 09:46:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:VxnNmgDnnCMheFX2UOimBQ9gOSrFFIBgs:VxnJUXdOiIOaFIBgs
TLSH T1EB433A07AD8486FEC0D9E17812BF7232D162F4BE2375764B27D4FE2A7918EA11B0D509
telfhash t1a011e5fa3aea1a94e1fffe767645f09418741ab005e533f0a87204f2d6527c55ca0410
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 :
58
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
Runs as daemon
Kills processes
Receives data from a server
Opens a port
Sends data to a server
Connection attempt
Kills critical processes
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-07T08:01:00Z UTC
Last seen:
2026-01-07T10:20:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=f7b586fa-1700-0000-ef0a-30e6640c0000 pid=3172 /usr/bin/sudo guuid=024c9cfc-1700-0000-ef0a-30e6650c0000 pid=3173 /tmp/sample.bin net guuid=f7b586fa-1700-0000-ef0a-30e6640c0000 pid=3172->guuid=024c9cfc-1700-0000-ef0a-30e6650c0000 pid=3173 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=024c9cfc-1700-0000-ef0a-30e6650c0000 pid=3173->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=fca9b7fc-1700-0000-ef0a-30e6660c0000 pid=3174 /tmp/sample.bin zombie guuid=024c9cfc-1700-0000-ef0a-30e6650c0000 pid=3173->guuid=fca9b7fc-1700-0000-ef0a-30e6660c0000 pid=3174 clone guuid=70d3bbfc-1700-0000-ef0a-30e6670c0000 pid=3175 /tmp/sample.bin net send-data zombie guuid=024c9cfc-1700-0000-ef0a-30e6650c0000 pid=3173->guuid=70d3bbfc-1700-0000-ef0a-30e6670c0000 pid=3175 clone guuid=70d3bbfc-1700-0000-ef0a-30e6670c0000 pid=3175->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 9bff2e1e-4e84-5ecd-918a-a1cdd4202ef3 130.12.180.28:63645 guuid=70d3bbfc-1700-0000-ef0a-30e6670c0000 pid=3175->9bff2e1e-4e84-5ecd-918a-a1cdd4202ef3 send: 9B guuid=d3f5c8fc-1700-0000-ef0a-30e6680c0000 pid=3176 /tmp/sample.bin guuid=70d3bbfc-1700-0000-ef0a-30e6670c0000 pid=3175->guuid=d3f5c8fc-1700-0000-ef0a-30e6680c0000 pid=3176 clone guuid=e30acbfc-1700-0000-ef0a-30e6690c0000 pid=3177 /tmp/sample.bin guuid=70d3bbfc-1700-0000-ef0a-30e6670c0000 pid=3175->guuid=e30acbfc-1700-0000-ef0a-30e6690c0000 pid=3177 clone guuid=9867cdfc-1700-0000-ef0a-30e66a0c0000 pid=3178 /tmp/sample.bin net net-scan send-data guuid=70d3bbfc-1700-0000-ef0a-30e6670c0000 pid=3175->guuid=9867cdfc-1700-0000-ef0a-30e66a0c0000 pid=3178 clone guuid=9867cdfc-1700-0000-ef0a-30e66a0c0000 pid=3178->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 1c4c4352-8e42-57eb-803d-c7d4604c0525 5.253.142.45:23 guuid=9867cdfc-1700-0000-ef0a-30e66a0c0000 pid=3178->1c4c4352-8e42-57eb-803d-c7d4604c0525 send: 40B guuid=9867cdfc-1700-0000-ef0a-30e66a0c0000 pid=3178|send-data send-data to 4097 IP addresses review logs to see them all guuid=9867cdfc-1700-0000-ef0a-30e66a0c0000 pid=3178->guuid=9867cdfc-1700-0000-ef0a-30e66a0c0000 pid=3178|send-data send
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: 1845893 Sample: Fantazy.x86_64.elf Startdate: 07/01/2026 Architecture: LINUX Score: 76 146 105.169.56.146, 23 unitel-ASAO Angola 2->146 148 64.3.219.247, 23 XO-AS15US United States 2->148 150 98 other IPs or domains 2->150 152 Malicious sample detected (through community Yara rule) 2->152 154 Antivirus / Scanner detection for submitted sample 2->154 156 Multi AV Scanner detection for submitted file 2->156 15 systemd gdm3 2->15         started        17 systemd gpu-manager 2->17         started        19 systemd accounts-daemon 2->19         started        22 30 other processes 2->22 signatures3 process4 file5 25 gdm3 gdm-session-worker 15->25         started        27 gdm3 gdm-session-worker 15->27         started        37 3 other processes 15->37 29 gpu-manager sh 17->29         started        31 gpu-manager sh 17->31         started        39 6 other processes 17->39 158 Reads system files that contain records of logged in users 19->158 33 accounts-daemon language-validate 19->33         started        144 /var/log/wtmp, data 22->144 dropped 160 Sample reads /proc/mounts (often used for finding a writable filesystem) 22->160 35 Fantazy.x86_64.elf 22->35         started        41 5 other processes 22->41 signatures6 process7 process8 43 gdm-session-worker gdm-x-session 25->43         started        45 gdm-session-worker gdm-wayland-session 27->45         started        47 sh grep 29->47         started        49 sh grep 31->49         started        51 language-validate language-options 33->51         started        53 Fantazy.x86_64.elf 35->53         started        58 2 other processes 35->58 56 sh grep 39->56         started        60 5 other processes 39->60 signatures9 62 gdm-x-session dbus-run-session 43->62         started        64 gdm-x-session Xorg Xorg.wrap Xorg 43->64         started        66 gdm-x-session Default 43->66         started        68 gdm-wayland-session dbus-run-session 45->68         started        70 language-options sh 51->70         started        162 Sample tries to kill multiple processes (SIGKILL) 53->162 process10 process11 72 dbus-run-session dbus-daemon 62->72         started        75 dbus-run-session gnome-session gnome-session-binary 1 62->75         started        77 Xorg sh 64->77         started        79 Xorg sh 64->79         started        81 dbus-run-session dbus-daemon 68->81         started        83 dbus-run-session gnome-session gnome-session-binary 1 68->83         started        85 sh locale 70->85         started        87 sh grep 70->87         started        signatures12 164 Sample tries to kill multiple processes (SIGKILL) 72->164 166 Sample reads /proc/mounts (often used for finding a writable filesystem) 72->166 89 dbus-daemon 72->89         started        91 dbus-daemon 72->91         started        100 9 other processes 72->100 93 gnome-session-binary sh gnome-shell 75->93         started        102 18 other processes 75->102 96 sh xkbcomp 77->96         started        98 sh xkbcomp 79->98         started        104 7 other processes 81->104 106 2 other processes 83->106 process13 signatures14 108 dbus-daemon at-spi-bus-launcher 89->108         started        110 dbus-daemon gjs 91->110         started        168 Sample reads /proc/mounts (often used for finding a writable filesystem) 93->168 113 gnome-shell ibus-daemon 93->113         started        123 9 other processes 100->123 115 gsd-print-notifications 102->115         started        117 gnome-session-check-accelerated gnome-session-check-accelerated-gl-helper 102->117         started        119 gnome-session-check-accelerated gnome-session-check-accelerated-gles-helper 102->119         started        121 dbus-daemon false 104->121         started        125 6 other processes 104->125 process15 signatures16 127 at-spi-bus-launcher dbus-daemon 108->127         started        170 Sample reads /proc/mounts (often used for finding a writable filesystem) 110->170 130 ibus-daemon 113->130         started        132 ibus-daemon ibus-memconf 113->132         started        134 ibus-daemon ibus-engine-simple 113->134         started        136 gsd-print-notifications gsd-printer 115->136         started        process17 signatures18 172 Sample tries to kill multiple processes (SIGKILL) 127->172 174 Sample reads /proc/mounts (often used for finding a writable filesystem) 127->174 138 dbus-daemon 127->138         started        140 ibus-daemon ibus-x11 130->140         started        process19 process20 142 dbus-daemon at-spi2-registryd 138->142         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-07 09:47:15 UTC
File Type:
ELF64 Little (Exe)
AV detection:
26 of 38 (68.42%)
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 (23847) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7135937-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_575f5bc8 Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2
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_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_575f5bc8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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 5443d764e399f0cd44ef17ea0940db73fc635045faa26f0ce8a4d8b3453b5988

(this sample)

  
Delivery method
Distributed via web download

Comments