MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4ee55870257652da4b0979262625f3a67def54dbee4628a17e91f46cd2010b8. 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: 8


Intelligence 8 IOCs YARA 13 File information Comments

SHA256 hash: f4ee55870257652da4b0979262625f3a67def54dbee4628a17e91f46cd2010b8
SHA3-384 hash: 154b71e0d35003d1c1521f43dacdf6d2d303cefb4aac86191f7fffbf55938ad8503ba594d0a6978c0ea7d9ee9e7a82c6
SHA1 hash: 6255ada6341c177abcae5ad6c4ea7808306346c6
MD5 hash: 1b938b2276d911ad440680fe7becb59c
humanhash: stream-lactose-princess-twelve
File name:ciubuc_mpsl
Download: download sample
Signature Mirai
File size:3'164'412 bytes
First seen:2026-04-12 20:41:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:qno9YUoRt8nm/XZQX33CQMCcunR2sCL9AtAomN33puvP+Zu:hY5Za+Kyfpu+Zu
TLSH T160E52B156F900EF7EC6FCD3356AA4B02258DA40622D53F36B878D914FA5B60F4AD3878
Magika elf
Reporter BlinkzSec
Tags:mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
Origin country :
GB GB
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
Changes access rights for a written file
Deleting a recently created file
Sends data to a server
Kills processes
Removes directories
Receives data from a server
Creating a file
Changes access rights for a file
Runs as daemon
Opens a port
Accesses SSH
Traces processes
Substitutes an application name
Deletes a system binary file
Deleting of the original file
Gathering data
Result
Gathering data
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-04-12 20:44:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes itself
Deletes journal logs
Modifies Watchdog functionality
Traces itself
Contacts a large (146337) amount of remote hosts
Creates a large amount of network flows
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf f4ee55870257652da4b0979262625f3a67def54dbee4628a17e91f46cd2010b8

(this sample)

  
Delivery method
Distributed via web download

Comments