MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef3fcb7ebf6adc4a3cdaddfa66a6c5257ac8124fc74ae5d5b6f8c041272efb62. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef3fcb7ebf6adc4a3cdaddfa66a6c5257ac8124fc74ae5d5b6f8c041272efb62
SHA3-384 hash: ea8e65e20804c6f172505c542937117bc2e497d05962c67083656513734fcd3c913598e5c45ce586d321da8809079402
SHA1 hash: 9b247024f924d9d8fed7e58e5bbd0bd06a38f94e
MD5 hash: c11dc0fa9b4afe37bcf3ed15d669d5a3
humanhash: chicken-triple-gee-hotel
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:113'472 bytes
First seen:2026-01-11 20:31:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:lZjO1r6cL4Eb/jdXoPcalpx2W6zS/SEQct3pv0Vv0rA2T2:lOv7dXoPcalhqS/SEQctpv0V8r
TLSH T19DB3099ABC819B11D6D566BAFE0E118D33134B78E3FA7103CD145B2A678AC6B0F3B541
telfhash t106e06131ce5d8d5117d9905252de3325195670d7276d1d0334347898db23ec5f921a2e
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
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-10008934-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Creating a file
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/696408da30368802bb808022/reports/45e0d5ee-1871-494c-ab86-3fd8e92faeb7/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-11T17:39:00Z UTC
Last seen:
2026-01-11T17:39:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ef3fcb7ebf6adc4a3cdaddfa66a6c5257ac8124fc74ae5d5b6f8c041272efb62/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5c605d35-7799-45fe-a80c-978f8b58546e
Behavior Graph:
Download SVG
%3 guuid=8ed59006-1a00-0000-2398-4920b70a0000 pid=2743 /usr/bin/sudo guuid=3b398b08-1a00-0000-2398-4920be0a0000 pid=2750 /tmp/sample.bin guuid=8ed59006-1a00-0000-2398-4920b70a0000 pid=2743->guuid=3b398b08-1a00-0000-2398-4920be0a0000 pid=2750 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5d30c711-dba7-4ca1-972b-0c3d20d858f0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1848570
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848570 Sample: arm7.elf Startdate: 11/01/2026 Architecture: LINUX Score: 60 18 103.78.144.23, 23 WIN-NAP-AS-IDPTWIRELESSINDONESIAID Indonesia 2->18 20 103.78.144.49, 23 WIN-NAP-AS-IDPTWIRELESSINDONESIAID Indonesia 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 Connects to many IPs within the same subnet mask (likely port scanning) 2->28 8 arm7.elf 2->8         started        signatures3 process4 process5 10 arm7.elf 8->10         started        process6 12 arm7.elf 10->12         started        14 arm7.elf 10->14         started        16 arm7.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef3fcb7ebf6adc4a3cdaddfa66a6c5257ac8124fc74ae5d5b6f8c041272efb62
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef3fcb7ebf6adc4a3cdaddfa66a6c5257ac8124fc74ae5d5b6f8c041272efb62/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-11 20:32:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5474w7v7nloeupg23x5gnjwfev5mqespy5folvnw7daecjzo7nra._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/260111-zbf7nad17c/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Renames itself
Contacts a large (45560) 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/5af4dfcc-0844-475f-9e80-43eb5d22a44e
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/ef3fcb7ebf6adc4a3cdaddfa66a6c5257ac8124fc74ae5d5b6f8c041272efb62

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: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 ef3fcb7ebf6adc4a3cdaddfa66a6c5257ac8124fc74ae5d5b6f8c041272efb62

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739233/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3738855/

Comments