MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b3bca271c33cf4d5ee5c039849fc89d4fceea7557f206e9862bc847f382b4f5. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b3bca271c33cf4d5ee5c039849fc89d4fceea7557f206e9862bc847f382b4f5
SHA3-384 hash: 6de860840a2db6208263407527b178e09f0d8ec3777e5a0881419298eacac2cb16134020f83a0266eaac7b0fa1d865f8
SHA1 hash: 024b76ad4a2bfc68d0c369b93379154b31f1cd11
MD5 hash: 4e23ea15fb276f13084ce86cf4a16862
humanhash: friend-aspen-glucose-batman
File name:morte.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:39'728 bytes
First seen:2025-07-09 17:22:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:a4UJZwu5wtUHHUSQlzszUQJL0WNXqyGP1KnvkKdy9z2S3YN1XnbcuyD7UHQRjX:zUJZlBQ+KWGdAvkKdgGZnouy8Hyz
TLSH T1C803F139F56D8B15D54D203D788DEA9F2A10573BA00AFA720DD01C7267B7F291D223E6
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 :
17
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686ea553900df8e7f8693082linux22vpnfull_triage
Tags:
phishing gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Sets a written file as executable
Opens a port
Launching a process
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/686ea55361f15fb42a36fa4f/reports/5f1a5397-2548-4eef-b626-544f02cf3122/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/2b3bca271c33cf4d5ee5c039849fc89d4fceea7557f206e9862bc847f382b4f5
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 196.251.69.95:12121
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5281745c-3c7f-4b97-a990-ec71a84c7284
Behavior Graph:
Download SVG
%3 guuid=6941e55c-1900-0000-6778-4ae7580b0000 pid=2904 /usr/bin/sudo guuid=bf21b75f-1900-0000-6778-4ae75c0b0000 pid=2908 /tmp/sample.bin net guuid=6941e55c-1900-0000-6778-4ae7580b0000 pid=2904->guuid=bf21b75f-1900-0000-6778-4ae75c0b0000 pid=2908 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=bf21b75f-1900-0000-6778-4ae75c0b0000 pid=2908->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=baf75f60-1900-0000-6778-4ae75f0b0000 pid=2911 /tmp/sample.bin guuid=bf21b75f-1900-0000-6778-4ae75c0b0000 pid=2908->guuid=baf75f60-1900-0000-6778-4ae75f0b0000 pid=2911 clone guuid=92b46360-1900-0000-6778-4ae7600b0000 pid=2912 /tmp/sample.bin guuid=bf21b75f-1900-0000-6778-4ae75c0b0000 pid=2908->guuid=92b46360-1900-0000-6778-4ae7600b0000 pid=2912 clone guuid=25e47860-1900-0000-6778-4ae7610b0000 pid=2913 /tmp/sample.bin write-config zombie guuid=92b46360-1900-0000-6778-4ae7600b0000 pid=2912->guuid=25e47860-1900-0000-6778-4ae7610b0000 pid=2913 clone guuid=1d7cc264-1900-0000-6778-4ae7680b0000 pid=2920 /usr/bin/dash guuid=25e47860-1900-0000-6778-4ae7610b0000 pid=2913->guuid=1d7cc264-1900-0000-6778-4ae7680b0000 pid=2920 execve guuid=034ee971-1900-0000-6778-4ae76a0b0000 pid=2922 /tmp/sample.bin delete-file dns net send-data guuid=25e47860-1900-0000-6778-4ae7610b0000 pid=2913->guuid=034ee971-1900-0000-6778-4ae76a0b0000 pid=2922 clone guuid=b8480865-1900-0000-6778-4ae7690b0000 pid=2921 /usr/bin/cp guuid=1d7cc264-1900-0000-6778-4ae7680b0000 pid=2920->guuid=b8480865-1900-0000-6778-4ae7690b0000 pid=2921 execve guuid=034ee971-1900-0000-6778-4ae76a0b0000 pid=2922->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B 128bad62-53f0-5c82-890a-d4a6ddbfdf3c abc.galaxias.cc:12121 guuid=034ee971-1900-0000-6778-4ae76a0b0000 pid=2922->128bad62-53f0-5c82-890a-d4a6ddbfdf3c send: 9B guuid=94fbf171-1900-0000-6778-4ae76b0b0000 pid=2923 /tmp/sample.bin guuid=034ee971-1900-0000-6778-4ae76a0b0000 pid=2922->guuid=94fbf171-1900-0000-6778-4ae76b0b0000 pid=2923 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24ed3d7b-0ee9-4e9a-aab4-e14e54ea1793
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1732063
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1732063 Sample: morte.x86.elf Startdate: 09/07/2025 Architecture: LINUX Score: 100 36 abc.galaxias.cc 196.251.69.95, 12121, 59144 Web4AfricaZA Seychelles 2->36 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Mirai 2->48 50 2 other signatures 2->50 10 morte.x86.elf 2->10         started        signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 13 morte.x86.elf 10->13         started        15 morte.x86.elf 10->15         started        process6 process7 17 morte.x86.elf 13->17         started        file8 32 /etc/init.d/sysd, POSIX 17->32 dropped 38 Sample tries to set files in /etc globally writable 17->38 40 Drops files in suspicious directories 17->40 42 Sample tries to persist itself using System V runlevels 17->42 21 morte.x86.elf sh 17->21         started        23 morte.x86.elf 17->23         started        signatures9 process10 signatures11 26 sh cp 21->26         started        52 Sample deletes itself 23->52 30 morte.x86.elf 23->30         started        process12 file13 34 /usr/bin/.sh, ELF 26->34 dropped 56 Drops invisible ELF files 26->56 58 Drops files in suspicious directories 26->58 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2b3bca271c33cf4d5ee5c039849fc89d4fceea7557f206e9862bc847f382b4f5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2b3bca271c33cf4d5ee5c039849fc89d4fceea7557f206e9862bc847f382b4f5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-08 23:54:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fm54ujy4gphu2xxfya4yjh6itvh452tvk7zan2mgfpeep44cwt2q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery linux persistence upx
Link:
https://tria.ge/reports/250709-vxq7jazn13/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
abc.galaxias.cc
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/1373a2b6-2871-42c7-aea0-c5a9482ccd53
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/2b3bca271c33cf4d5ee5c039849fc89d4fceea7557f206e9862bc847f382b4f5

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 2b3bca271c33cf4d5ee5c039849fc89d4fceea7557f206e9862bc847f382b4f5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3574700/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3579387/

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