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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5842fabc581ddd4ae938b8b9acc01a2a5dc77b852cfe77267d51116f84ba1e5. 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: 8


Intelligence 8 IOCs YARA 11 File information Comments

SHA256 hash: a5842fabc581ddd4ae938b8b9acc01a2a5dc77b852cfe77267d51116f84ba1e5
SHA3-384 hash: cb6dca1514b3df299d442eb2db7988c590bbfc0f6604f9a699886d07dd1f7a0fab901ad23cebeeb1ad594be05e3371be
SHA1 hash: 1b6b97153cd45cf82ab72697b8ef47a25e1a0294
MD5 hash: 9f9947f497e697587164c2dbf1797176
humanhash: uranus-six-sad-fanta
File name:arm7
Download: download sample
Signature Mirai
File size:244'578 bytes
First seen:2026-08-27 09:44:46 UTC
Last seen:2026-08-27 12:48:27 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:NlgCijGDX+r0Lo1CgO5z1ygIvSsaU5Ioscmn3TW5IOEssMOgh5oIV52b5M/9UN:8COGDXa0Lo1CgON1jIvSsaU5IosfD6EP
TLSH T10F344A52AA929A13C1C3177AFBCF41053323A66693DB7306F91CABB43F8725E4E63541
telfhash t137311f3117359516aeb0da589ced53b7152ec3266285ef73ee25c4dc940a0abe633c0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Creating a file in the %temp% subdirectories
Sets a written file as executable
Creating a file in the %temp% directory
Receives data from a server
Collects information on the OS
Kills processes
Creating a process from a recently created file
Creates directories in a temporary directory
Creating a file
Collects information on the RAM
Opens a port
Launching a process
Deleting a recently created file
Runs as daemon
Sends data to a server
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-27T08:05:00Z UTC
Last seen:
2026-08-27T08:52:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3fe973ae-1a00-0000-ba2f-11ae940c0000 pid=3220 /usr/bin/sudo guuid=49e6bab2-1a00-0000-ba2f-11aea00c0000 pid=3232 /tmp/sample.bin guuid=3fe973ae-1a00-0000-ba2f-11ae940c0000 pid=3220->guuid=49e6bab2-1a00-0000-ba2f-11aea00c0000 pid=3232 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-27 09:45:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads system network configuration
Creates a large amount of network flows
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Reads list of loaded kernel modules
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_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Rootkit_Generic_61229bdf
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 a5842fabc581ddd4ae938b8b9acc01a2a5dc77b852cfe77267d51116f84ba1e5

(this sample)

  
Delivery method
Distributed via web download

Comments