MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 491ca52fe6e0f4c8cb262237617e4e43aaf2ce74d3ed13cbf959bd48192466fa. 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 3 File information Comments

SHA256 hash: 491ca52fe6e0f4c8cb262237617e4e43aaf2ce74d3ed13cbf959bd48192466fa
SHA3-384 hash: 41d999de109eda473c4460e97ec5d188a07340f7328018ed0bf0ead2c3cd4a22bf29dba5c00405a856ce32674010b8cd
SHA1 hash: 22fb509f6028da7bd73a1ec2c422ccb4d3c16f0d
MD5 hash: ac4d36edceeae91b59227624efbd8b9c
humanhash: uncle-vegan-alpha-white
File name:sora.mpsl
Download: download sample
Signature Mirai
File size:29'944 bytes
First seen:2026-04-06 10:58:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:e8pVWtmRsLYEpB6V8S628FuRUuNJG9whQ3Cfbo6w+K95orj9+yrjRWGVCz0Nv+:jMYHb62x4ahQ3CfdwLjc+ytWn
TLSH T1ADD2D07EE5B441C6ED8E0C3E80CD3BA10E56D1C1631BDB9577218C895B32C5BF16A4B8
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
File size (compressed) :29'944 bytes
File size (de-compressed) :89'408 bytes
Format:linux/mipsel
Unpacked file: 91f72f6712a92fc697ef07a6bebc25ef9b8dcb386b8cb50e7a82e23db7248d97

Intelligence


File Origin
# of uploads :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai packed soft-404 upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=8b88b9a9-1a00-0000-99d0-2f11950a0000 pid=2709 /usr/bin/sudo guuid=3d4ca0ac-1a00-0000-99d0-2f11960a0000 pid=2710 /tmp/sample.bin guuid=8b88b9a9-1a00-0000-99d0-2f11950a0000 pid=2709->guuid=3d4ca0ac-1a00-0000-99d0-2f11960a0000 pid=2710 execve
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (37175) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 491ca52fe6e0f4c8cb262237617e4e43aaf2ce74d3ed13cbf959bd48192466fa

(this sample)

  
Delivery method
Distributed via web download

Comments