MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 645d2fc37a391a513e4fc2cf41fb00aa196c9365f5e18fc1301366c9abc4663f. 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: 5


Intelligence 5 IOCs YARA 11 File information Comments

SHA256 hash: 645d2fc37a391a513e4fc2cf41fb00aa196c9365f5e18fc1301366c9abc4663f
SHA3-384 hash: c98e8beb079d15b8bdcf3249e83cb7588ca7b9aad7c45f9ff236fe28c1a6fcd09e23f999d82518a06b0a3dd3cab2e9b8
SHA1 hash: bf50d9ab8616063d6b721e4f7b9874d2db1a4fee
MD5 hash: 99750e2ee333a74d860f94cf5a727f7f
humanhash: texas-juliet-tango-robert
File name:arc
Download: download sample
Signature Mirai
File size:108'172 bytes
First seen:2026-04-02 10:21:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:JDrdsl9QUBAf6HGwdQJAwbsZYae4aJ4gP/LW:lrdslpp9gLbrataJ4gPq
TLSH T149B39E8BF6075A90CC2187F80BCB5BDD3A233212AF6788E77C1E253D59781DE4A06791
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 :
75
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=b043d6ad-1b00-0000-5113-e325cd0a0000 pid=2765 /usr/bin/sudo guuid=6f0764b0-1b00-0000-5113-e325d40a0000 pid=2772 /tmp/sample.bin guuid=b043d6ad-1b00-0000-5113-e325cd0a0000 pid=2765->guuid=6f0764b0-1b00-0000-5113-e325d40a0000 pid=2772 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-02 10:22:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 645d2fc37a391a513e4fc2cf41fb00aa196c9365f5e18fc1301366c9abc4663f

(this sample)

  
Delivery method
Distributed via web download

Comments