MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 856cb8fdeaca8d350ffd17e57449b3d2ac8c930f7cfe148692c4a2f6fd7e8e4b. 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

SHA256 hash: 856cb8fdeaca8d350ffd17e57449b3d2ac8c930f7cfe148692c4a2f6fd7e8e4b
SHA3-384 hash: 5201c787745617986b3d43e65afcb4cf1ee485bab77f379cdb396fc5daa4172fbaadce972e63bc2e2c642102ab01efa0
SHA1 hash: 507e12e8553e5ccf316ad3828bb74074d2b1082d
MD5 hash: be447feb18d502df1664feb0ae6a03ab
humanhash: don-helium-paris-fillet
File name:splx86
Download: download sample
Signature Mirai
File size:74'704 bytes
First seen:2025-12-17 13:46:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:cKGSRx5jqg1vU1mMusz3Vfy5ETAuu5vxfUc9vRR:HGSNjV9gmMuwfyKTRCpJ
TLSH T165735AC59713EDFAEC1A087155B7EB379E32F1360069EA83E784B532B843611A6063DC
telfhash t1db31f9f62ebe0cecf7d46c44c14e6e21366ba67b656036a100f3a83137e7901646ac79
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 abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T10:51:00Z UTC
Last seen:
2025-12-18T04:54:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gp HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.go
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1834816 Sample: splx86.elf Startdate: 17/12/2025 Architecture: LINUX Score: 68 22 45.33.24.150 LINODE-APLinodeLLCUS United States 2->22 24 45.33.24.151 LINODE-APLinodeLLCUS United States 2->24 26 100 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Connects to many IPs within the same subnet mask (likely port scanning) 2->34 8 splx86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 splx86.elf 8->14         started        process6 16 splx86.elf 14->16         started        18 splx86.elf 14->18         started        20 splx86.elf 14->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-17 13:47:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Renames itself
Contacts a large (89099) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7755770-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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 856cb8fdeaca8d350ffd17e57449b3d2ac8c930f7cfe148692c4a2f6fd7e8e4b

(this sample)

  
Delivery method
Distributed via web download

Comments