MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f2ef3d8b5617798a2edf449e1da32ebe50de3a9f5d72d092a790ffe97c4d983. 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: 1f2ef3d8b5617798a2edf449e1da32ebe50de3a9f5d72d092a790ffe97c4d983
SHA3-384 hash: f56f1a9accad8c3fb2ae82756fb97e588b9f77fa9cda415599b2bfd9ef8d78af189a450bcbe146b433fe7a0fae4b540b
SHA1 hash: 5a61475fe096549a4174b66f5857da85ccfd492f
MD5 hash: afba489ebfa5758aaa3593c547be43b6
humanhash: carolina-bacon-one-papa
File name:Fantazy.i486
Download: download sample
Signature Mirai
File size:74'328 bytes
First seen:2025-12-16 20:20:14 UTC
Last seen:2025-12-25 03:38:43 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:7NKUBf1J2hoQYjSwScT8vAZNpz7hVS9QAkY8:7N11CYelvAZNpz7hk9kY8
TLSH T186735D46D7CBF9F0CD4106B8206BEB35D93698323234DFF7E7D9B657A952212A04226C
telfhash t15c2100f60ab418e4b7d08942c10d4b706e9dab3b281076a307f3653422afe83903bc39
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 :
5
# of downloads :
43
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
Receives data from a server
Kills processes
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-16T17:45:00Z UTC
Last seen:
2025-12-18T15:13:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=8498f3b9-1a00-0000-8a9c-9c0265090000 pid=2405 /usr/bin/sudo guuid=501c7cbc-1a00-0000-8a9c-9c0266090000 pid=2406 /tmp/sample.bin net guuid=8498f3b9-1a00-0000-8a9c-9c0265090000 pid=2405->guuid=501c7cbc-1a00-0000-8a9c-9c0266090000 pid=2406 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=501c7cbc-1a00-0000-8a9c-9c0266090000 pid=2406->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a7bc1bbd-1a00-0000-8a9c-9c0267090000 pid=2407 /tmp/sample.bin guuid=501c7cbc-1a00-0000-8a9c-9c0266090000 pid=2406->guuid=a7bc1bbd-1a00-0000-8a9c-9c0267090000 pid=2407 clone guuid=8d511fbd-1a00-0000-8a9c-9c0268090000 pid=2408 /tmp/sample.bin net send-data zombie guuid=501c7cbc-1a00-0000-8a9c-9c0266090000 pid=2406->guuid=8d511fbd-1a00-0000-8a9c-9c0268090000 pid=2408 clone guuid=8d511fbd-1a00-0000-8a9c-9c0268090000 pid=2408->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 78e3738d-7262-5540-8dc6-5596f84d4d72 91.92.243.68:63645 guuid=8d511fbd-1a00-0000-8a9c-9c0268090000 pid=2408->78e3738d-7262-5540-8dc6-5596f84d4d72 send: 24B guuid=fa712fbd-1a00-0000-8a9c-9c0269090000 pid=2409 /tmp/sample.bin guuid=8d511fbd-1a00-0000-8a9c-9c0268090000 pid=2408->guuid=fa712fbd-1a00-0000-8a9c-9c0269090000 pid=2409 clone guuid=fc7036bd-1a00-0000-8a9c-9c026a090000 pid=2410 /tmp/sample.bin guuid=8d511fbd-1a00-0000-8a9c-9c0268090000 pid=2408->guuid=fc7036bd-1a00-0000-8a9c-9c026a090000 pid=2410 clone guuid=fcd53bbd-1a00-0000-8a9c-9c026b090000 pid=2411 /tmp/sample.bin net net-scan send-data guuid=8d511fbd-1a00-0000-8a9c-9c0268090000 pid=2408->guuid=fcd53bbd-1a00-0000-8a9c-9c026b090000 pid=2411 clone guuid=b37d3c9b-2000-0000-8a9c-9c028b140000 pid=5259 /tmp/sample.bin net send-data guuid=8d511fbd-1a00-0000-8a9c-9c0268090000 pid=2408->guuid=b37d3c9b-2000-0000-8a9c-9c028b140000 pid=5259 clone guuid=fcd53bbd-1a00-0000-8a9c-9c026b090000 pid=2411->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con b30843a0-3d2e-5b2c-a695-c76144e84d60 200.60.4.209:23 guuid=fcd53bbd-1a00-0000-8a9c-9c026b090000 pid=2411->b30843a0-3d2e-5b2c-a695-c76144e84d60 send: 111B guuid=fcd53bbd-1a00-0000-8a9c-9c026b090000 pid=2411|send-data send-data to 4081 IP addresses review logs to see them all guuid=fcd53bbd-1a00-0000-8a9c-9c026b090000 pid=2411->guuid=fcd53bbd-1a00-0000-8a9c-9c026b090000 pid=2411|send-data send cfd0a8ff-4e2b-54d0-a76b-59a519215b7d 216.202.200.164:7777 guuid=b37d3c9b-2000-0000-8a9c-9c028b140000 pid=5259->cfd0a8ff-4e2b-54d0-a76b-59a519215b7d send: 5981620B guuid=8a04549b-2000-0000-8a9c-9c028c140000 pid=5260 /tmp/sample.bin guuid=b37d3c9b-2000-0000-8a9c-9c028b140000 pid=5259->guuid=8a04549b-2000-0000-8a9c-9c028c140000 pid=5260 clone
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: 1834358 Sample: Fantazy.i486.elf Startdate: 16/12/2025 Architecture: LINUX Score: 76 152 72.9.212.90 VONAGE-BUSINESSUS United States 2->152 154 188.109.86.239 VODANETInternationalIP-BackboneofVodafoneDE Germany 2->154 156 98 other IPs or domains 2->156 160 Malicious sample detected (through community Yara rule) 2->160 162 Antivirus / Scanner detection for submitted sample 2->162 164 Multi AV Scanner detection for submitted file 2->164 15 systemd gdm3 2->15         started        17 systemd gdm3 2->17         started        19 systemd gpu-manager 2->19         started        21 86 other processes 2->21 signatures3 process4 file5 25 gdm3 gdm-session-worker 15->25         started        27 gdm3 gdm-session-worker 15->27         started        35 5 other processes 15->35 29 gdm3 gdm-session-worker 17->29         started        37 3 other processes 17->37 39 8 other processes 19->39 150 /var/log/wtmp, data 21->150 dropped 166 Sample reads /proc/mounts (often used for finding a writable filesystem) 21->166 168 Reads system files that contain records of logged in users 21->168 31 Fantazy.i486.elf 21->31         started        33 accounts-daemon language-validate 21->33         started        41 34 other processes 21->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 gdm-session-worker gdm-wayland-session 29->47         started        49 Fantazy.i486.elf 31->49         started        56 2 other processes 31->56 52 language-validate language-options 33->52         started        58 8 other processes 39->58 54 language-validate language-options 41->54         started        60 25 other processes 41->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 gdm-wayland-session dbus-run-session 47->70         started        158 Sample tries to kill multiple processes (SIGKILL) 49->158 72 language-options sh 52->72         started        74 language-options sh 54->74         started        76 language-options sh 60->76         started        process10 process11 78 dbus-run-session dbus-daemon 62->78         started        81 dbus-run-session gnome-session gnome-session-binary 1 62->81         started        87 2 other processes 64->87 83 dbus-run-session dbus-daemon 68->83         started        85 dbus-run-session gnome-session gnome-session-binary 1 68->85         started        89 2 other processes 70->89 91 2 other processes 72->91 93 2 other processes 74->93 95 2 other processes 76->95 signatures12 178 Sample tries to kill multiple processes (SIGKILL) 78->178 180 Sample reads /proc/mounts (often used for finding a writable filesystem) 78->180 97 dbus-daemon 78->97         started        99 dbus-daemon 78->99         started        104 8 other processes 78->104 101 gnome-session-binary sh gnome-shell 81->101         started        106 17 other processes 81->106 108 7 other processes 83->108 110 2 other processes 85->110 112 2 other processes 87->112 114 7 other processes 89->114 process13 signatures14 116 dbus-daemon at-spi-bus-launcher 97->116         started        118 dbus-daemon gjs 99->118         started        170 Sample reads /proc/mounts (often used for finding a writable filesystem) 101->170 121 gnome-shell ibus-daemon 101->121         started        129 8 other processes 104->129 123 gnome-session-check-accelerated gnome-session-check-accelerated-gl-helper 106->123         started        125 gnome-session-check-accelerated gnome-session-check-accelerated-gles-helper 106->125         started        127 dbus-daemon false 108->127         started        131 6 other processes 108->131 133 7 other processes 114->133 process15 signatures16 135 at-spi-bus-launcher dbus-daemon 116->135         started        172 Sample reads /proc/mounts (often used for finding a writable filesystem) 118->172 138 ibus-daemon 121->138         started        140 ibus-daemon ibus-memconf 121->140         started        142 ibus-daemon ibus-engine-simple 121->142         started        process17 signatures18 174 Sample tries to kill multiple processes (SIGKILL) 135->174 176 Sample reads /proc/mounts (often used for finding a writable filesystem) 135->176 144 dbus-daemon 135->144         started        146 ibus-daemon ibus-x11 138->146         started        process19 process20 148 dbus-daemon at-spi2-registryd 144->148         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-16 20:21:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
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 (23686) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7135937-0
YARA:
Linux_Trojan_Mirai_aa39fb02 Linux_Trojan_Mirai_3a56423b Linux_Trojan_Mirai_575f5bc8 Linux_Trojan_Mirai_6e8e9257
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_3a56423b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_575f5bc8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6e8e9257
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_aa39fb02
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 1f2ef3d8b5617798a2edf449e1da32ebe50de3a9f5d72d092a790ffe97c4d983

(this sample)

  
Delivery method
Distributed via web download

Comments