MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 237effca2382491b4deca2a965ce2a834a4a8168f46bbea1bb16c96bb10182bd. 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: 12


Intelligence 12 IOCs YARA 10 File information Comments

SHA256 hash: 237effca2382491b4deca2a965ce2a834a4a8168f46bbea1bb16c96bb10182bd
SHA3-384 hash: bdf28ee7c1258f069ba8e08ec66c60584b112bfb18b40e17201ccbe19fc6e0a8a5f3f2ccae6ebb2a183eb916253135d9
SHA1 hash: fe66d62c3909a7eec759c07c8eb608762c5864f5
MD5 hash: 8811464a7762983ec4f2ab6e6691b50e
humanhash: nine-oscar-jersey-magnesium
File name:arm6
Download: download sample
Signature Mirai
File size:196'881 bytes
First seen:2026-05-23 15:21:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:MlOn1D2llto+ia3+6e0s3eyVilHMsCdmk3e0t3:MlMDktga3+6e0s3eyc/emkO0t3
TLSH T121143A46EB418A13C4D71776B6AF42053323EB64D3EB73069928BFB43F8279E4E62505
telfhash t13c3161358730462e5de1cda0e8fa87b25229c7021b49bb33cf76c08c54164ade63ac8f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
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
DNS request
Opens a port
Creates or modifies symbolic links
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Sets a file as executable
Runs as daemon
Creating a process from a recently created file
Sets a written file as executable
Creates directories
Launching a process
Manages services
Writes files to system directory
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-23T12:28:00Z UTC
Last seen:
2026-05-25T00:39:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ez HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=07c52f68-1900-0000-51d1-df553e0f0000 pid=3902 /usr/bin/sudo guuid=d9f2dc69-1900-0000-51d1-df55440f0000 pid=3908 /tmp/sample.bin guuid=07c52f68-1900-0000-51d1-df553e0f0000 pid=3902->guuid=d9f2dc69-1900-0000-51d1-df55440f0000 pid=3908 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-05-23 15:22:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Attempts to change immutable files
Modifies systemd
File and Directory Permissions Modification
Deletes itself
Executes dropped EXE
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_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:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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: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 237effca2382491b4deca2a965ce2a834a4a8168f46bbea1bb16c96bb10182bd

(this sample)

  
Delivery method
Distributed via web download

Comments