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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1bca91d3e2bd012c3e0dbe88e09062848c1cff602c990a541d7b1c9224ad16e. 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: 10


Intelligence 10 IOCs YARA 10 File information Comments

SHA256 hash: a1bca91d3e2bd012c3e0dbe88e09062848c1cff602c990a541d7b1c9224ad16e
SHA3-384 hash: 091240e2883821675761f1d348a247993c14c2163ec18e301172e12a733bdca9b0c293469d9a47225de284e2bfa46b73
SHA1 hash: e9dbd2ac6728dc6324de807bab1487ecdde0b1b2
MD5 hash: f580dd02245d3833e58444954d688bf9
humanhash: low-river-foxtrot-echo
File name:mips
Download: download sample
Signature Mirai
File size:241'960 bytes
First seen:2026-10-09 05:24:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:8nwvn/IGNemO5dqgFOfsW1oGZ6pjD/+pKXwPuA2fRPGavTv7gnD5NoWS3zaQ+:AwvnqfesW1bMDmK5AOPXynqaQ+
TLSH T1C234E967BAB6FFD8C8A5C5306571C3B44182ACE21AF5955DF361EB8CEE241007E1E2D2
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
103
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Collects information on the RAM
Changes the time when the file was created, accessed, or modified
Manages services
Changes access rights for a written file
Sends data to a server
Creating a file in the %temp% directory
Creating a file
Receives data from a server
Sets a written file as executable
Launching a process
Kills processes
Runs as daemon
Creating a process from a recently created file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Performs a bruteforce attack in the network
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
146
Number of processes launched:
39
Processes remaning?
true
Remote TCP ports scanned:
5555,23,2323,37215,52869,8443
Behaviour
Anti-VM
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-10-09T03:20:00Z UTC
Last seen:
2026-10-11T00:41:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=56a04fb2-1a00-0000-db62-4661020c0000 pid=3074 /usr/bin/sudo guuid=d067dfb4-1a00-0000-db62-4661050c0000 pid=3077 /tmp/sample.bin guuid=56a04fb2-1a00-0000-db62-4661020c0000 pid=3074->guuid=d067dfb4-1a00-0000-db62-4661050c0000 pid=3077 execve
Threat name:
Linux.PUA.Generic
Status:
Suspicious
First seen:
2026-10-09 05:25:36 UTC
File Type:
ELF32 Big (Exe)
AV detection:
6 of 24 (25.00%)
Threat level:
  1/5
Result
Malware family:
xmrig_linux
Score:
  10/10
Tags:
family:xmrig_linux defense_evasion discovery exection execution miner persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Schedules an At job
Write file to user bin folder
Contacts a large (3226) amount of remote hosts
Creates a large amount of network flows
Modifies the dynamic linker configuration file
Family: xmrig
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_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:golang
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:LIN_Malware_Unknown_ForgeAuto_0daebbb8
Author:Marjoriefort
Description:Detects Unknown (elf, etat binaire)
Rule name:MIRAI_TELNETCURL_payload
Author:AfterPacket
Description:Mirai-lineage ELF payload carrying the leaked-source decoy domain
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:telebot_framework
Author:vietdx.mb
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 a1bca91d3e2bd012c3e0dbe88e09062848c1cff602c990a541d7b1c9224ad16e

(this sample)

Comments