MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 515fe1f5251f505a8ade313b8e75fa4b01a76f50957781bbb6c0e067f01d31b0. 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: 9


Intelligence 9 IOCs YARA 19 File information Comments

SHA256 hash: 515fe1f5251f505a8ade313b8e75fa4b01a76f50957781bbb6c0e067f01d31b0
SHA3-384 hash: 6d6ed8d84039d806665864f5a621130ef972c8174a72928a5b585628c1e6fdc5e58f21882424a3b751967724a4d84373
SHA1 hash: 5b8dc4ec5bf47ed4063e7e318dd89c2fea8dc2ad
MD5 hash: 5e04f9e0507b26c79290a98dabd3dae5
humanhash: colorado-berlin-failed-nitrogen
File name:x86
Download: download sample
Signature Mirai
File size:70'740 bytes
First seen:2026-08-22 14:11:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:TtWvgqA8qj4PfWjF7lOvZOWsIyq3XkZSQO:TtDqArj4HWBJOvwfIyq8O
TLSH T14D634BC9F983D5B6F8970930107AFF639DB3D6BE21A8DA43C3A495369D12502F412E6C
telfhash t121214cf75e1e48e8f3c4a840c35eaa55192ad677086136e445b2ccd036e7dc194bdc39
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 7b0fec9dc952de2ff789094282c1d2c5071cb3ac68a52bc9537842b85bd89daf
File size (compressed) :34'888 bytes
File size (de-compressed) :70'740 bytes
Format:linux/i386
Packed file: 7b0fec9dc952de2ff789094282c1d2c5071cb3ac68a52bc9537842b85bd89daf

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Status:
terminated
Behavior Graph:
%3 guuid=f781a026-1a00-0000-2492-025566090000 pid=2406 /usr/bin/sudo guuid=daa19129-1a00-0000-2492-02556d090000 pid=2413 /tmp/sample.bin net guuid=f781a026-1a00-0000-2492-025566090000 pid=2406->guuid=daa19129-1a00-0000-2492-02556d090000 pid=2413 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=daa19129-1a00-0000-2492-02556d090000 pid=2413->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=1d5bf429-1a00-0000-2492-02556e090000 pid=2414 /tmp/sample.bin guuid=daa19129-1a00-0000-2492-02556d090000 pid=2413->guuid=1d5bf429-1a00-0000-2492-02556e090000 pid=2414 clone guuid=b188ff56-1b00-0000-2492-0255810b0000 pid=2945 /tmp/sample.bin guuid=daa19129-1a00-0000-2492-02556d090000 pid=2413->guuid=b188ff56-1b00-0000-2492-0255810b0000 pid=2945 clone guuid=6bda0757-1b00-0000-2492-0255820b0000 pid=2946 /tmp/sample.bin net send-data zombie guuid=daa19129-1a00-0000-2492-02556d090000 pid=2413->guuid=6bda0757-1b00-0000-2492-0255820b0000 pid=2946 clone guuid=6598142a-1a00-0000-2492-02556f090000 pid=2415 /tmp/sample.bin guuid=1d5bf429-1a00-0000-2492-02556e090000 pid=2414->guuid=6598142a-1a00-0000-2492-02556f090000 pid=2415 clone guuid=aba4192a-1a00-0000-2492-025570090000 pid=2416 /tmp/sample.bin net send-data zombie guuid=1d5bf429-1a00-0000-2492-02556e090000 pid=2414->guuid=aba4192a-1a00-0000-2492-025570090000 pid=2416 clone guuid=aba4192a-1a00-0000-2492-025570090000 pid=2416->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 164f15e9-2bd1-5e4c-b602-67839a27eeb0 77.239.124.123:1234 guuid=aba4192a-1a00-0000-2492-025570090000 pid=2416->164f15e9-2bd1-5e4c-b602-67839a27eeb0 send: 285B guuid=6bda0757-1b00-0000-2492-0255820b0000 pid=2946->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=6bda0757-1b00-0000-2492-0255820b0000 pid=2946->164f15e9-2bd1-5e4c-b602-67839a27eeb0 send: 270B
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-22 14:12:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
77.239.124.123
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_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
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_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 515fe1f5251f505a8ade313b8e75fa4b01a76f50957781bbb6c0e067f01d31b0

(this sample)

  
Delivery method
Distributed via web download

Comments