MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f40469bcca831782dd2e5388f9a0c0543f40e2f66d9dfd4ff388436391c1da7. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f40469bcca831782dd2e5388f9a0c0543f40e2f66d9dfd4ff388436391c1da7
SHA3-384 hash: 6b9b019234bfcaf67cdb99afc67e7aef6f747c85e69c897454d51c6f5f3795cf0f014bfcfae5cb65ca102e107940c343
SHA1 hash: 871e35787a424cd28138cbdef1c331c862698bb1
MD5 hash: a40f0d3697e9949921d94806e2c4f3f1
humanhash: mobile-emma-carpet-vegan
File name:splarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:144'172 bytes
First seen:2025-12-16 11:09:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Ey9UmqOEHZM1HErC/sVtkg6odj1vkfxDQtUVnK65:Ey9vqOeZM1DEVtkg6odhvkfRQ6
TLSH T113E30745AD409F15C5D722BAFF6F118C331347A8D3EEB017E8286B55738AA1B0E3A947
telfhash t1a3d02b14fa042ee8b7d44c9840eea0127748f05f532c10a9c9fedecbaa12dcd7a05467
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
43
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-7755770-0
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
DNS request
Runs as daemon
Receives data from a server
Creating a file
Opens a port
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-16T09:23:00Z UTC
Last seen:
2025-12-16T11:03:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3f40469bcca831782dd2e5388f9a0c0543f40e2f66d9dfd4ff388436391c1da7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3e79e37b-b7ed-45f6-8ebb-8262ff2e86e3
Behavior Graph:
Download SVG
%3 guuid=eb4305b5-1900-0000-e67a-318dae090000 pid=2478 /usr/bin/sudo guuid=762229b8-1900-0000-e67a-318db7090000 pid=2487 /tmp/sample.bin guuid=eb4305b5-1900-0000-e67a-318dae090000 pid=2478->guuid=762229b8-1900-0000-e67a-318db7090000 pid=2487 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7a56b4a5-57c4-4641-abc1-3357c2e97cc4
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1833826
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Sample scans a subnet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1833826 Sample: splarm7.elf Startdate: 16/12/2025 Architecture: LINUX Score: 64 22 47.252.37.10, 23 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 2->22 24 47.252.37.11, 23 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 2->24 26 100 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 34 Sample scans a subnet 2->34 8 splarm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 splarm7.elf 8->14         started        process6 16 splarm7.elf 14->16         started        18 splarm7.elf 14->18         started        20 splarm7.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3f40469bcca831782dd2e5388f9a0c0543f40e2f66d9dfd4ff388436391c1da7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3f40469bcca831782dd2e5388f9a0c0543f40e2f66d9dfd4ff388436391c1da7/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-16 11:10:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h5aeng6mvayxqlos4u4i7gqmavb7idrpm3m57vh7hccdmoi4dwtq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Link:
https://tria.ge/reports/251216-m89t1sh12d/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Renames itself
Contacts a large (395640) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/3bb7d490-eb4e-4bf2-9100-3e321e2ff416
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/3f40469bcca831782dd2e5388f9a0c0543f40e2f66d9dfd4ff388436391c1da7

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_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 3f40469bcca831782dd2e5388f9a0c0543f40e2f66d9dfd4ff388436391c1da7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726310/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726313/

Comments