MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3981ed03f37107dc257154d6f61fa07b33810e279e0b3ee7786d137c499a7e0f. 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: 3981ed03f37107dc257154d6f61fa07b33810e279e0b3ee7786d137c499a7e0f
SHA3-384 hash: 55998301465e16b5d74520a4dff5385a9c0bb0f855e58b304d0f6ef4e3784f585e6bb8c20419ec147335c6c0982aceb5
SHA1 hash: 8bca3450234fe49e91dec2076706b73becb982a6
MD5 hash: 7a850f19265dafb247a81f7a7c0c13b3
humanhash: avocado-two-sweet-table
File name:splx86
Download: download sample
Signature Mirai
Create hunting rule
File size:119'760 bytes
First seen:2025-12-16 19:06:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:TxPZ2UaYkNS5QoytIr1aJXJCQFwTvicfKKPQjOMUOvoD:dh2Gp5FG8IXJ7FwT6ciKIKuvo
TLSH T19AC34991EE82E4B9EC050478707A5737CA34FB35011BDB87DFAA9D70AD81201D669BBC
telfhash t16e31357abf625eecb7d1d918cadf2722c93ea167682130fc08f516d432f251020a9c39
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9933849-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951089-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

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
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6941adb53f8fdbf8e9485335/reports/e5afc721-aac2-408f-aebb-73462a59744b/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-16T17:19:00Z UTC
Last seen:
2025-12-16T18:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3981ed03f37107dc257154d6f61fa07b33810e279e0b3ee7786d137c499a7e0f/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bd0963d5-4aad-48af-9c44-ec17b460a5e7
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1834304
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1834304 Sample: splx86.elf Startdate: 16/12/2025 Architecture: LINUX Score: 64 18 40.128.201.74 WINDSTREAMUS United States 2->18 20 129.228.110.53 VIACOM-ASUS United States 2->20 22 99 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 8 splx86.elf 2->8         started        signatures3 process4 process5 10 splx86.elf 8->10         started        process6 12 splx86.elf 10->12         started        14 splx86.elf 10->14         started        16 splx86.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3981ed03f37107dc257154d6f61fa07b33810e279e0b3ee7786d137c499a7e0f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3981ed03f37107dc257154d6f61fa07b33810e279e0b3ee7786d137c499a7e0f/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-16 19:07:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hga62a7toed5yjlrktlpmh5apmzycdrhtyft5z3ynujxysm2pyhq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/251216-xsbmdscm2s/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Renames itself
Unexpected DNS network traffic destination
Contacts a large (317954) 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
Link:
https://app.threat.zone/submission/c98db305-85ec-445b-9d41-130af1af1b0a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3981ed03f37107dc257154d6f61fa07b33810e279e0b3ee7786d137c499a7e0f

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
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 3981ed03f37107dc257154d6f61fa07b33810e279e0b3ee7786d137c499a7e0f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726305/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726302/

Comments