MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a84f4d504ff0850b57d74d83173625da46364c9ea1af95059bcb17bed408403. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a84f4d504ff0850b57d74d83173625da46364c9ea1af95059bcb17bed408403
SHA3-384 hash: c2b513482ccbb2e79e7736bfe2f3aea6af24334cc2ca043ddb0683d2bc6fa1ed073b99219f257a88be75556a6cfe1ccc
SHA1 hash: 9a436e3278bcf216b1c12e1626bb87b920ab25bb
MD5 hash: 5dd313112a3fa20cd6f0df5f72334985
humanhash: four-bluebird-diet-angel
File name:sora.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:92'816 bytes
First seen:2026-02-08 19:31:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:I3IbjW5PF0GpLCDP9IS2pq4xuPP5+0v2xcpmxsXhEtJD1mzOYQl9rCH:I3WjaPF0x13x+0O+pRhEtJD1mVQlhC
TLSH T17B93A64E2E219F7DFFA8C23857F749609208239626E1D985D17CEB111EA034E742FFA5
telfhash t1aa013c1c8eb813e49a365caa041eefe6e06130de07366c274f15bdbcaa6dd425e05c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 9ed3d57eea43c1ea7a88c8e46ba71176eab171e28521c26c5a8e5496b64dc429
File size (compressed) :30'840 bytes
File size (de-compressed) :92'816 bytes
Format:linux/mips
Packed file: 9ed3d57eea43c1ea7a88c8e46ba71176eab171e28521c26c5a8e5496b64dc429

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/bce4febd-5453-4a3b-9795-6d59fdb702be/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-9819563-0
Create hunting rule

Unix.Trojan.Mirai-9820623-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Sends data to a server
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6988e4be2ffccda0976ac40c/reports/dc5b02d6-2afe-418e-9e43-592c0e0cf4e0/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/4a84f4d504ff0850b57d74d83173625da46364c9ea1af95059bcb17bed408403/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7f3cfda0-0b32-445b-8642-4383ec0c606a
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1865720
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1865720 Sample: sora.mips.elf Startdate: 08/02/2026 Architecture: LINUX Score: 80 24 155.1.97.71, 23 ZAMRENZM United States 2->24 26 207.208.59.113, 23 XO-AS15US United States 2->26 28 98 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 8 sora.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 sora.mips.elf 8->12         started        14 sora.mips.elf 8->14         started        16 sora.mips.elf 8->16         started        process6 18 sora.mips.elf 12->18         started        20 sora.mips.elf 12->20         started        22 sora.mips.elf 12->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a84f4d504ff0850b57d74d83173625da46364c9ea1af95059bcb17bed408403
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a84f4d504ff0850b57d74d83173625da46364c9ea1af95059bcb17bed408403/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4a84f4d504ff0850b57d74d83173625da46364c9ea1af95059bcb17bed408403
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-08 19:32:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkcpjvie74efbnl5otmdc43clwsggzgj5inpsuczxsyxx3kaqqbq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/260208-x82hrahs8g/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Modifies Watchdog functionality
Contacts a large (39022) amount of remote hosts
Creates a large amount of network flows
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/4a84f4d504ff0850b57d74d83173625da46364c9ea1af95059bcb17bed408403

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information

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

Web download

Mirai

elf 9ed3d57eea43c1ea7a88c8e46ba71176eab171e28521c26c5a8e5496b64dc429

Mirai

elf 4a84f4d504ff0850b57d74d83173625da46364c9ea1af95059bcb17bed408403

(this sample)

  
Dropped by
SHA256 9ed3d57eea43c1ea7a88c8e46ba71176eab171e28521c26c5a8e5496b64dc429
  
URLhaus
https://urlhaus.abuse.ch/url/3774367/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 51b9c9a86aeea70368010c007842f009

Comments