MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50fb71af4bd1a64094411511e589a57204996c4d710205183077c33bd519a691. 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 2 File information Comments

SHA256 hash: 50fb71af4bd1a64094411511e589a57204996c4d710205183077c33bd519a691
SHA3-384 hash: af7e2fae1ad4080b3324315d9f0d975d77615f859f9c61de3c99b1282657acf07946421c5a00c43298eb12b55c8b0bc2
SHA1 hash: 46180cc23f9ab14c69d367889817442e3d1536b5
MD5 hash: 335f942514776b7ec460851aef149762
humanhash: arkansas-jig-spring-fillet
File name:m9x7k2v8b3.mips
Download: download sample
Signature Mirai
File size:43'844 bytes
First seen:2026-01-01 08:05:44 UTC
Last seen:2026-01-01 10:22:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:0pfyczYKDqEhkwk0CuRkvru68189JkekIQE2ubdOnoDAYV6aCTJgGlzDpbuR1Jam:0pfyczDDJDhSu68e/k0dDAYV6aCJVJu7
TLSH T1EF13E128178215E9E8BEF7790B968FA43DF52FACB6838C845D44F5875FA116420C3BC6
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika unknown
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :43'844 bytes
File size (de-compressed) :117'968 bytes
Format:linux/mips
Unpacked file: 5461e3e2e5ec985add1b8292bd8ffa5cfd8b3c6c5523c682af3720db63c24050

Intelligence


File Origin
# of uploads :
3
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-31T17:01:00Z UTC
Last seen:
2026-01-01T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=935972e2-1600-0000-9857-084cbb0c0000 pid=3259 /usr/bin/sudo guuid=22c31ee5-1600-0000-9857-084cbf0c0000 pid=3263 /tmp/sample.bin guuid=935972e2-1600-0000-9857-084cbb0c0000 pid=3259->guuid=22c31ee5-1600-0000-9857-084cbf0c0000 pid=3263 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1843057 Sample: m9x7k2v8b3.mips.elf Startdate: 01/01/2026 Architecture: LINUX Score: 52 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 4 other IPs or domains 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Sample is packed with UPX 2->34 8 m9x7k2v8b3.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 m9x7k2v8b3.mips.elf 8->16         started        18 m9x7k2v8b3.mips.elf 8->18         started        20 m9x7k2v8b3.mips.elf 8->20         started        process6 22 m9x7k2v8b3.mips.elf 16->22         started        24 m9x7k2v8b3.mips.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-01 04:30:03 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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 50fb71af4bd1a64094411511e589a57204996c4d710205183077c33bd519a691

(this sample)

  
Delivery method
Distributed via web download

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