MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31e871bf22741430a6da836e773480da675d3094e573cc0776645ba206578293. 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: 6


Intelligence 6 IOCs YARA 9 File information Comments

SHA256 hash: 31e871bf22741430a6da836e773480da675d3094e573cc0776645ba206578293
SHA3-384 hash: 8f6f63c8c1887c64c90cc0f599aa5f7efe9ef7663636564c4039f9c270b1408f8137690ef44ad05c9ad89fe14210758f
SHA1 hash: 844c4ed7accc5ea7598bc0d8bc3e87d38c657173
MD5 hash: fd50adfa80bce76573e2a9853293441f
humanhash: ink-mexico-seventeen-papa
File name:m9x7k2v8b3.arc
Download: download sample
Signature Mirai
File size:132'544 bytes
First seen:2026-02-16 13:44:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:bYBQQ9TET783bII/Lftv8/JW/EKaK/gJzyq:bYxTE7I/d8kbAzyq
TLSH T15FD3DF97F74B2491C86207F007CB7B8C6E636211DE2BEAF76C1E653B19790DB1906392
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 :
51
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Status:
terminated
Behavior Graph:
%3 guuid=b8537f3d-1800-0000-71ab-63837b0c0000 pid=3195 /usr/bin/sudo guuid=9d4a4d3f-1800-0000-71ab-63837e0c0000 pid=3198 /tmp/sample.bin guuid=b8537f3d-1800-0000-71ab-63837b0c0000 pid=3195->guuid=9d4a4d3f-1800-0000-71ab-63837e0c0000 pid=3198 execve
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_Xlogin_Nov24_1
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 31e871bf22741430a6da836e773480da675d3094e573cc0776645ba206578293

(this sample)

  
Delivery method
Distributed via web download

Comments