MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 837cbeb0525af6bcba6f8f1c21dc015282dcd5656f666e5b1061459fc4046140. 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 4 File information Comments

SHA256 hash: 837cbeb0525af6bcba6f8f1c21dc015282dcd5656f666e5b1061459fc4046140
SHA3-384 hash: 6e4875b70b07a9d5cc683e674df7f224e0c45c0e691a16f29b6700dee506b7f9951db4fab78c749106c4feafc423c516
SHA1 hash: 1098bad9d48175cc29ca19f429067e9af706201c
MD5 hash: c573919fd2918cfb59ae0ac8fe4bbe53
humanhash: princess-uranus-spring-florida
File name:tux.mpsl
Download: download sample
Signature Mirai
File size:134'020 bytes
First seen:2026-03-22 19:49:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:OXuiWsqNzORgyyody8yRfcNKfoOF5CAKQN8JMHnVVq0Zrd8wPJ3fIKd1ZgTYxj3Z:oWsqNz/cuOWhHq0MwPNBN
TLSH T18AD3E80ABB511FF7E86FDC3745ED170529CC595A22A83B797A34D828B64A24F09E3C70
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 :
64
Origin country :
DE DE
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
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Substitutes an application name
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
4
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
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.ew
Status:
terminated
Behavior Graph:
%3 guuid=605b4b44-1a00-0000-b21f-123985080000 pid=2181 /usr/bin/sudo guuid=cb319846-1a00-0000-b21f-12398b080000 pid=2187 /tmp/sample.bin guuid=605b4b44-1a00-0000-b21f-123985080000 pid=2181->guuid=cb319846-1a00-0000-b21f-12398b080000 pid=2187 execve guuid=d0665d47-1a00-0000-b21f-12398f080000 pid=2191 /usr/bin/dash guuid=cb319846-1a00-0000-b21f-12398b080000 pid=2187->guuid=d0665d47-1a00-0000-b21f-12398f080000 pid=2191 clone guuid=5d416147-1a00-0000-b21f-123990080000 pid=2192 /usr/bin/dash guuid=cb319846-1a00-0000-b21f-12398b080000 pid=2187->guuid=5d416147-1a00-0000-b21f-123990080000 pid=2192 clone guuid=b72b6747-1a00-0000-b21f-123991080000 pid=2193 /usr/bin/dash guuid=d0665d47-1a00-0000-b21f-12398f080000 pid=2191->guuid=b72b6747-1a00-0000-b21f-123991080000 pid=2193 clone
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-03-21 03:41:53 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
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
Modifies Watchdog functionality
Contacts a large (23682) 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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 837cbeb0525af6bcba6f8f1c21dc015282dcd5656f666e5b1061459fc4046140

(this sample)

  
Delivery method
Distributed via web download

Comments