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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31052cb3bf27c7cacd2008e4bb875929bebae7da347b18ac1737bff3cb41eff3. 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 18 File information Comments

SHA256 hash: 31052cb3bf27c7cacd2008e4bb875929bebae7da347b18ac1737bff3cb41eff3
SHA3-384 hash: caaaa53dff32536e1dfbb4a6b98f5cbfe93e7b76302ffa00d1de0a0e0efff8038b8ceb6b8a38e9e327e3060cb4f977b6
SHA1 hash: d1599813bf5ffb53f5f5255a2c541d07fcdc0f1b
MD5 hash: 1a5ed24f4437f88c1a8eddc45e3110d4
humanhash: emma-fourteen-seven-wyoming
File name:armv6l
Download: download sample
Signature Mirai
File size:646'544 bytes
First seen:2026-09-30 04:51:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:boZt04Lbu9otYOX+y+f2Ba8bl7745Ovi4T:kqoi1odK5Ovi
TLSH T11DD45D67BC919B90C5D149BEFB6E436C72035B79E2EFB106DA045F906BCA8950F3E201
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Collects information on the RAM
Sends data to a server
Sets a written file as executable
Connection attempt
Creating a file
Kills processes
Creating a file in the %temp% directory
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Performs a bruteforce attack in the network
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand gcc lolbin rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
92
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
23,2323,5555,8443
Behaviour
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.le
First seen:
2026-09-30T02:22:00Z UTC
Last seen:
2026-10-01T22:06:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=b53a7e6d-1b00-0000-faec-4f19f0080000 pid=2288 /usr/bin/sudo guuid=4495d570-1b00-0000-faec-4f19f5080000 pid=2293 /tmp/sample.bin guuid=b53a7e6d-1b00-0000-faec-4f19f0080000 pid=2288->guuid=4495d570-1b00-0000-faec-4f19f5080000 pid=2293 execve
Threat name:
Linux.Worm.Gafgyt
Status:
Malicious
First seen:
2026-09-30 04:52:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
xmrig_linux
Score:
  10/10
Tags:
family:xmrig_linux discovery execution miner persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Contacts a large (126126) amount of remote hosts
Creates a large amount of network flows
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Packer_Dropper_Fileless_Armhf
Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
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:golang
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
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:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 31052cb3bf27c7cacd2008e4bb875929bebae7da347b18ac1737bff3cb41eff3

(this sample)

  
Delivery method
Distributed via web download

Comments