MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efc5bb5e7deefd0a7753dd6d6492f0efb7e51085136dd0c9491992beece77451. 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 1 File information Comments

SHA256 hash: efc5bb5e7deefd0a7753dd6d6492f0efb7e51085136dd0c9491992beece77451
SHA3-384 hash: 37bce38f1a42834bf835c8d7587baaa3d134891ba1f795d8331599e666aba327cefca41b244b4dd11a0d7f33a385f47c
SHA1 hash: 683a8246d8823965f0e8f2a8f82807f9c3938d11
MD5 hash: b1d6d6935602ec0ce751f07307002acd
humanhash: papa-louisiana-nuts-gee
File name:splmips
Download: download sample
Signature Mirai
File size:84'636 bytes
First seen:2026-01-03 11:47:56 UTC
Last seen:2026-01-04 07:00:12 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:CZFIcIh+a41YWLbjEqvNEdnFgZSSD+1HSgSTc/TlR/TTcdjRhlmqu+7R1K:KInh6YdFhSy1AjRhIqu+HK
TLSH T18583A64A6E21DF6EFB68C73587B78F20D798239226E0C241D16CF9045D6434EA45FFA8
telfhash t1f5018118893813f097805dad6bedff36e59040eb9b229e37cd40edaa9b509469e00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
58
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.be
First seen:
2026-01-03T08:54:00Z UTC
Last seen:
2026-01-03T10:45:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.go
Status:
terminated
Behavior Graph:
%3 guuid=fb1e5a82-1900-0000-26ef-d68163140000 pid=5219 /usr/bin/sudo guuid=4fde1a84-1900-0000-26ef-d68164140000 pid=5220 /tmp/sample.bin guuid=fb1e5a82-1900-0000-26ef-d68163140000 pid=5219->guuid=4fde1a84-1900-0000-26ef-d68164140000 pid=5220 execve guuid=a0544586-1900-0000-26ef-d68166140000 pid=5222 /usr/bin/dash guuid=4fde1a84-1900-0000-26ef-d68164140000 pid=5220->guuid=a0544586-1900-0000-26ef-d68166140000 pid=5222 clone
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844080 Sample: splmips.elf Startdate: 03/01/2026 Architecture: LINUX Score: 60 22 103.84.173.218, 23 TOMATTOSTL-AS-APTomattosTechnologiesLtdBD Bangladesh 2->22 24 103.84.173.230, 23 TOMATTOSTL-AS-APTomattosTechnologiesLtdBD Bangladesh 2->24 26 100 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 8 splmips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 splmips.elf 8->14         started        process6 16 splmips.elf 14->16         started        18 splmips.elf 14->18         started        20 splmips.elf 14->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-03 11:48:19 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Renames itself
Contacts a large (18369) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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: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 efc5bb5e7deefd0a7753dd6d6492f0efb7e51085136dd0c9491992beece77451

(this sample)

  
Delivery method
Distributed via web download

Comments