MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3791bb0df1830312ce39f78399672667cea12c532bf635402519dc36b4c78774. 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: 14


Intelligence 14 IOCs YARA 20 File information Comments

SHA256 hash: 3791bb0df1830312ce39f78399672667cea12c532bf635402519dc36b4c78774
SHA3-384 hash: 564025922d4c104161abf3b11f76a416348cb9e7dbd86c62b94b9944ed491cb6fd42fcaf2fae94b3e9360820383dae40
SHA1 hash: dbe224be34995293636f2c2a1b694cb6fc7986e8
MD5 hash: 43b164cd077f79e54a2f6b0874bf6caf
humanhash: kitten-eighteen-red-green
File name:ub8ehJSePAfc9FYqZIT6.x86_64
Download: download sample
Signature Mirai
File size:173'464 bytes
First seen:2026-01-10 20:06:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:gqJVEETco3P2j3PqXgmXbFl/i9uET1xLwJTMGfUwpadJfCH0C7hD:5JVEETco3uji23RwJNxpaXShD
TLSH T10B043B1BB9C090FDC8D5C1744BFEB53AD932B4AD123C725B1798AE321E4DE201B2D9A5
telfhash t166519c602ea9395861c3e699b34feceaed3309140ee170a8ef2b79e5dd477cc0d52412
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 8ec3b6c7410622da04f910fd32b10c763ff686a4a6d0eefd148829e6373c65de
File size (compressed) :64'336 bytes
File size (de-compressed) :173'464 bytes
Format:linux/amd64
Packed file: 8ec3b6c7410622da04f910fd32b10c763ff686a4a6d0eefd148829e6373c65de

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
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
Locks files
Sends data to a server
DNS request
Creating a file in the %temp% directory
Deleting a recently created file
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-10T14:57:00Z UTC
Last seen:
2026-01-10T18:40:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=1734ce01-1800-0000-c80e-ff07cc090000 pid=2508 /usr/bin/sudo guuid=e0040e04-1800-0000-c80e-ff07d3090000 pid=2515 /tmp/sample.bin net guuid=1734ce01-1800-0000-c80e-ff07cc090000 pid=2508->guuid=e0040e04-1800-0000-c80e-ff07d3090000 pid=2515 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e0040e04-1800-0000-c80e-ff07d3090000 pid=2515->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=95963404-1800-0000-c80e-ff07d5090000 pid=2517 /tmp/sample.bin guuid=e0040e04-1800-0000-c80e-ff07d3090000 pid=2515->guuid=95963404-1800-0000-c80e-ff07d5090000 pid=2517 clone guuid=ebcd4904-1800-0000-c80e-ff07d7090000 pid=2519 /tmp/sample.bin guuid=e0040e04-1800-0000-c80e-ff07d3090000 pid=2515->guuid=ebcd4904-1800-0000-c80e-ff07d7090000 pid=2519 clone guuid=3773fa3f-1800-0000-c80e-ff07ec090000 pid=2540 /tmp/sample.bin guuid=e0040e04-1800-0000-c80e-ff07d3090000 pid=2515->guuid=3773fa3f-1800-0000-c80e-ff07ec090000 pid=2540 clone guuid=0fffc96a-1900-0000-c80e-ff07f5090000 pid=2549 /tmp/sample.bin guuid=e0040e04-1800-0000-c80e-ff07d3090000 pid=2515->guuid=0fffc96a-1900-0000-c80e-ff07f5090000 pid=2549 clone guuid=b6f474a6-1900-0000-c80e-ff07f7090000 pid=2551 /tmp/sample.bin guuid=e0040e04-1800-0000-c80e-ff07d3090000 pid=2515->guuid=b6f474a6-1900-0000-c80e-ff07f7090000 pid=2551 clone guuid=06631ee2-1900-0000-c80e-ff07f8090000 pid=2552 /tmp/sample.bin guuid=e0040e04-1800-0000-c80e-ff07d3090000 pid=2515->guuid=06631ee2-1900-0000-c80e-ff07f8090000 pid=2552 clone guuid=67ee26e2-1900-0000-c80e-ff07f9090000 pid=2553 /tmp/sample.bin dns net send-data zombie guuid=e0040e04-1800-0000-c80e-ff07d3090000 pid=2515->guuid=67ee26e2-1900-0000-c80e-ff07f9090000 pid=2553 clone guuid=07334004-1800-0000-c80e-ff07d6090000 pid=2518 /tmp/sample.bin guuid=95963404-1800-0000-c80e-ff07d5090000 pid=2517->guuid=07334004-1800-0000-c80e-ff07d6090000 pid=2518 clone guuid=d7780440-1800-0000-c80e-ff07ed090000 pid=2541 /tmp/sample.bin guuid=3773fa3f-1800-0000-c80e-ff07ec090000 pid=2540->guuid=d7780440-1800-0000-c80e-ff07ed090000 pid=2541 clone guuid=8a22ae7b-1800-0000-c80e-ff07ef090000 pid=2543 /tmp/sample.bin guuid=3773fa3f-1800-0000-c80e-ff07ec090000 pid=2540->guuid=8a22ae7b-1800-0000-c80e-ff07ef090000 pid=2543 clone guuid=937f58b7-1800-0000-c80e-ff07f2090000 pid=2546 /tmp/sample.bin delete-file guuid=3773fa3f-1800-0000-c80e-ff07ec090000 pid=2540->guuid=937f58b7-1800-0000-c80e-ff07f2090000 pid=2546 clone guuid=4deb60b7-1800-0000-c80e-ff07f3090000 pid=2547 /tmp/sample.bin dns net send-data zombie guuid=3773fa3f-1800-0000-c80e-ff07ec090000 pid=2540->guuid=4deb60b7-1800-0000-c80e-ff07f3090000 pid=2547 clone guuid=4deb60b7-1800-0000-c80e-ff07f3090000 pid=2547->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=4deb60b7-1800-0000-c80e-ff07f3090000 pid=2547->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1710B 3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 weifang.serveftp.com:3778 guuid=4deb60b7-1800-0000-c80e-ff07f3090000 pid=2547->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 225B guuid=67ee26e2-1900-0000-c80e-ff07f9090000 pid=2553->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=67ee26e2-1900-0000-c80e-ff07f9090000 pid=2553->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1520B guuid=67ee26e2-1900-0000-c80e-ff07f9090000 pid=2553->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 200B
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
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 a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848067 Sample: ub8ehJSePAfc9FYqZIT6.x86_64.elf Startdate: 10/01/2026 Architecture: LINUX Score: 100 78 109.202.202.202, 80 INIT7CH Switzerland 2->78 80 weifang.serveftp.com 45.83.207.173, 3778, 42946, 42950 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->80 82 5 other IPs or domains 2->82 90 Found malware configuration 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 Antivirus / Scanner detection for submitted sample 2->94 96 3 other signatures 2->96 11 systemd gdm3 2->11         started        13 ub8ehJSePAfc9FYqZIT6.x86_64.elf 2->13         started        15 systemd gpu-manager 2->15         started        17 20 other processes 2->17 signatures3 process4 file5 21 gdm3 gdm-session-worker 11->21         started        33 3 other processes 11->33 23 ub8ehJSePAfc9FYqZIT6.x86_64.elf 13->23         started        25 ub8ehJSePAfc9FYqZIT6.x86_64.elf 13->25         started        35 5 other processes 13->35 27 gpu-manager sh 15->27         started        37 7 other processes 15->37 76 /var/log/wtmp, data 17->76 dropped 84 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->84 86 Reads system files that contain records of logged in users 17->86 29 accounts-daemon language-validate 17->29         started        31 generate-config pkill 17->31         started        signatures6 process7 process8 39 gdm-session-worker gdm-wayland-session 21->39         started        41 ub8ehJSePAfc9FYqZIT6.x86_64.elf 23->41         started        54 4 other processes 25->54 44 sh grep 27->44         started        46 language-validate language-options 29->46         started        48 sh grep 37->48         started        50 sh grep 37->50         started        52 sh grep 37->52         started        56 4 other processes 37->56 signatures9 58 gdm-wayland-session dbus-run-session 39->58         started        60 gdm-wayland-session dbus-daemon 39->60         started        98 Sample tries to kill a massive number of system processes 41->98 100 Sample tries to kill multiple processes (SIGKILL) 41->100 63 language-options sh 46->63         started        process10 signatures11 65 dbus-run-session dbus-daemon 58->65         started        102 Sample reads /proc/mounts (often used for finding a writable filesystem) 60->102 68 dbus-daemon 60->68         started        70 sh locale 63->70         started        72 sh grep 63->72         started        process12 signatures13 88 Sample reads /proc/mounts (often used for finding a writable filesystem) 65->88 74 dbus-daemon false 68->74         started        process14
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-10 20:07:29 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e 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_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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_28a2fe0c
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_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
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_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
Rule name:unixredflags3
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 3791bb0df1830312ce39f78399672667cea12c532bf635402519dc36b4c78774

(this sample)

  
Delivery method
Distributed via web download

Comments