MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71e37c6e4cbf19e7ec6d984ba368a93ca63acb61c73d3ea03fdbdd6036fc9eea. 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: 5


Intelligence 5 IOCs YARA 12 File information Comments

SHA256 hash: 71e37c6e4cbf19e7ec6d984ba368a93ca63acb61c73d3ea03fdbdd6036fc9eea
SHA3-384 hash: adb94d2e975069df707c447cd9797a4f910e171aee302560a47fca748ba13f5717a11af64ea5f8327d35de6c881fd11e
SHA1 hash: 4b4f7fdd25ea21d600a2928e8214220849e1735c
MD5 hash: ae8a95eb1108f48814ebc2a356022a32
humanhash: mississippi-aspen-gee-uniform
File name:kworkerd-events
Download: download sample
Signature Mirai
File size:241'492 bytes
First seen:2026-06-10 10:06:06 UTC
Last seen:2026-06-10 21:22:02 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:LoVs7/oZhidFu2rmN05Ig3Rep+/ecRMo2+:Lcs7/IidEAmTssto2+
TLSH T1F4346D42AA43DAF2E01315F112EB5F635A32ED3A092FC5CAE7A43DB1CCA11D4961673D
telfhash t11db16af26ea61aee73a4a906c30e3f11ed0ad6b7195530f705f135d932f2642a770872
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 BlinkzSec
Tags:mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
55
Origin country :
GB GB
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Collects information on the CPU
Creating a file in the %temp% directory
Changes access rights for a written file
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Launching a process
Kills processes
Manages services
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deleting of the original file
Status:
terminated
Behavior Graph:
%3 guuid=42f35af0-1700-0000-9bf5-6009720c0000 pid=3186 /usr/bin/sudo guuid=c00fe8f1-1700-0000-9bf5-6009780c0000 pid=3192 /tmp/sample.bin guuid=42f35af0-1700-0000-9bf5-6009720c0000 pid=3186->guuid=c00fe8f1-1700-0000-9bf5-6009780c0000 pid=3192 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-10 10:03:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Reads MAC address of network interface
Deletes itself
Modifies Watchdog functionality
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_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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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: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
Rule name:VPNFilterStage3PluginTor

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 71e37c6e4cbf19e7ec6d984ba368a93ca63acb61c73d3ea03fdbdd6036fc9eea

(this sample)

  
Delivery method
Distributed via web download

Comments