MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 520bdd7befb91a2138b260fc7eb2cccab557502f8b98209f5337c421799cc8e4. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments

SHA256 hash: 520bdd7befb91a2138b260fc7eb2cccab557502f8b98209f5337c421799cc8e4
SHA3-384 hash: bcfe503ce469b11fc96ecbc659565f94f982e09d775919e7a84444ab77213c36607bccfd618f94a9dc08075370b46f79
SHA1 hash: 58ee8f356065c1c65842a14cf5ab90ee27357a57
MD5 hash: 45a58266e0f1909602155407caa8e880
humanhash: montana-tennis-delaware-fix
File name:x86
Download: download sample
Signature Mirai
File size:107'824 bytes
First seen:2025-10-15 22:17:51 UTC
Last seen:2025-10-16 07:33:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:WsvWJdCLFaG1Bu3/45g1rMtWwb+Z8DcDmz2RH:WsOJdoYG1B0/45gd8Qw2RH
TLSH T17EB339C0BA47D4F5DD1642303177F73B9A32B47A113DDA87E3A89B327C92B41990A29C
telfhash t1f231e8b8f57208ecabc09503ba8e97705d0d76abb82077f609f71565367204143bad3c
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 :
3
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-15T20:27:00Z UTC
Last seen:
2025-10-16T01:27:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=2ffb5001-1700-0000-53ec-411b460d0000 pid=3398 /usr/bin/sudo guuid=2fdf4304-1700-0000-53ec-411b510d0000 pid=3409 /tmp/sample.bin net guuid=2ffb5001-1700-0000-53ec-411b460d0000 pid=3398->guuid=2fdf4304-1700-0000-53ec-411b510d0000 pid=3409 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2fdf4304-1700-0000-53ec-411b510d0000 pid=3409->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e8487004-1700-0000-53ec-411b520d0000 pid=3410 /tmp/sample.bin guuid=2fdf4304-1700-0000-53ec-411b510d0000 pid=3409->guuid=e8487004-1700-0000-53ec-411b520d0000 pid=3410 clone guuid=d6fb1940-1700-0000-53ec-411bc70d0000 pid=3527 /tmp/sample.bin guuid=2fdf4304-1700-0000-53ec-411b510d0000 pid=3409->guuid=d6fb1940-1700-0000-53ec-411bc70d0000 pid=3527 clone guuid=2455cd7b-1700-0000-53ec-411b3d0e0000 pid=3645 /tmp/sample.bin guuid=2fdf4304-1700-0000-53ec-411b510d0000 pid=3409->guuid=2455cd7b-1700-0000-53ec-411b3d0e0000 pid=3645 clone guuid=b1d1d47b-1700-0000-53ec-411b3e0e0000 pid=3646 /tmp/sample.bin net send-data zombie guuid=2fdf4304-1700-0000-53ec-411b510d0000 pid=3409->guuid=b1d1d47b-1700-0000-53ec-411b3e0e0000 pid=3646 clone guuid=b1d1d47b-1700-0000-53ec-411b3e0e0000 pid=3646->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 1fd11264-4612-52fe-a123-e1dab04b9dca 151.242.30.16:1999 guuid=b1d1d47b-1700-0000-53ec-411b3e0e0000 pid=3646->1fd11264-4612-52fe-a123-e1dab04b9dca send: 7B guuid=5af8ea7b-1700-0000-53ec-411b400e0000 pid=3648 /tmp/sample.bin guuid=b1d1d47b-1700-0000-53ec-411b3e0e0000 pid=3646->guuid=5af8ea7b-1700-0000-53ec-411b400e0000 pid=3648 clone guuid=1eba9eb7-1700-0000-53ec-411b090f0000 pid=3849 /tmp/sample.bin guuid=b1d1d47b-1700-0000-53ec-411b3e0e0000 pid=3646->guuid=1eba9eb7-1700-0000-53ec-411b090f0000 pid=3849 clone guuid=47284ef3-1700-0000-53ec-411ba30f0000 pid=4003 /tmp/sample.bin guuid=b1d1d47b-1700-0000-53ec-411b3e0e0000 pid=3646->guuid=47284ef3-1700-0000-53ec-411ba30f0000 pid=4003 clone
Result
Threat name:
Mirai, Moobot
Detection:
malicious
Classification:
troj
Score:
80 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1796139 Sample: x86.elf Startdate: 16/10/2025 Architecture: LINUX Score: 80 28 151.242.30.16, 1999, 52450, 52452 RASANAIR Iran (ISLAMIC Republic Of) 2->28 30 109.202.202.202, 80 INIT7CH Switzerland 2->30 32 3 other IPs or domains 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 2 other signatures 2->40 8 x86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 x86.elf 8->14         started        16 x86.elf 8->16         started        18 x86.elf 8->18         started        20 x86.elf 8->20         started        process6 22 x86.elf 14->22         started        24 x86.elf 14->24         started        26 x86.elf 14->26         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-10-15 22:18:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:owari defense_evasion discovery linux
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 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_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 520bdd7befb91a2138b260fc7eb2cccab557502f8b98209f5337c421799cc8e4

(this sample)

  
Delivery method
Distributed via web download

Comments