MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a528e37dc8ec07de6b52f5e32cc76ccfcb5e32055787f95a4547193436d29871. 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: 10


Intelligence 10 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a528e37dc8ec07de6b52f5e32cc76ccfcb5e32055787f95a4547193436d29871
SHA3-384 hash: c304ecf753427c8c28f8f89e97081eba8e1ae8f3f6f28a747d23a07716cb3dbe7ceab05d93e55cc4d080747cf6196858
SHA1 hash: 9fd3a1b612303821a0e6a232e5417716a417c576
MD5 hash: e3bb4d428c8611aa113f0e0deb90b33c
humanhash: video-island-speaker-carpet
File name:nuclear.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:278'466 bytes
First seen:2026-05-25 00:42:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:z234ITRK8unxj9GPZCAvV5a0crtOGNC05s/ouO4IV/Gvc:ze4IQ9GQAvLa0crtOGGk/x
TLSH T1F7444B45EB404E13C4D627B9BAFF82453333A7B493E7B20699246FB037C775A4E62A05
telfhash t1f3411eb69b7452264992dc68c9fe97a2151ec6175740ef23de30c48c245a08ee62bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Collects information on the network activity
Sends data to a server
Receives data from a server
Opens a port
DNS request
Runs as daemon
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand gcc lolbin masquerade rust
Link:
https://www.filescan.io/uploads/6a139b2aefbd399b39cba73c/reports/163bb524-ef52-4ee1-bdbe-b7192c967bf2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-24T21:50:00Z UTC
Last seen:
2026-05-25T12:55:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.hv HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Gafgyt.ij
Link:
https://opentip.kaspersky.com/a528e37dc8ec07de6b52f5e32cc76ccfcb5e32055787f95a4547193436d29871/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/98a93641-96e3-458c-9358-acea9d144361
Behavior Graph:
Download SVG
%3 guuid=ed285359-1800-0000-8487-8c7ce30b0000 pid=3043 /usr/bin/sudo guuid=ab678f5b-1800-0000-8487-8c7ceb0b0000 pid=3051 /tmp/sample.bin guuid=ed285359-1800-0000-8487-8c7ce30b0000 pid=3043->guuid=ab678f5b-1800-0000-8487-8c7ceb0b0000 pid=3051 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a7d57b24-1687-43fd-bb72-9a362a06270e
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a528e37dc8ec07de6b52f5e32cc76ccfcb5e32055787f95a4547193436d29871
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a528e37dc8ec07de6b52f5e32cc76ccfcb5e32055787f95a4547193436d29871/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a528e37dc8ec07de6b52f5e32cc76ccfcb5e32055787f95a4547193436d29871
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-25 00:43:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uuuog7oi5qd5422s6xrszr3mz7fv4mqfk6d7swsfi4mtinwstbyq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
antivm credential_access defense_evasion discovery
Link:
https://tria.ge/reports/260525-a24yzadt4v/
Behaviour
Process Discovery
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads process memory
Enumerates running processes
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Contacts a large (938) amount of remote hosts
Creates a reverse shell
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a528e37dc8ec07de6b52f5e32cc76ccfcb5e32055787f95a4547193436d29871

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:test_rule_vldslv
Create hunting rule
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
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 a528e37dc8ec07de6b52f5e32cc76ccfcb5e32055787f95a4547193436d29871

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3852673/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3847643/

Comments