MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3fb14712d2b26f7ac50538e7152acc52f23ac21b0a34174cdcc688d86fd8f9f. 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: b3fb14712d2b26f7ac50538e7152acc52f23ac21b0a34174cdcc688d86fd8f9f
SHA3-384 hash: ec9c0077985f5a99043284d2797d0dc45ebf59a346cffd3ad304edff742a637fa9abaf7e494e2d9965ff57aa2fb7ee69
SHA1 hash: e667387ef5bc206b0b3663e9a6497ce024cbec3e
MD5 hash: 04d6d22ff3c50e24a1183c99f057282f
humanhash: wyoming-johnny-oregon-mobile
File name:rep.i486
Download: download sample
Signature Mirai
Create hunting rule
File size:42'820 bytes
First seen:2025-08-01 12:34:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Ja9aFc2+S0asoJ2T9cZYJAL/7SyGRCo9yS9oHuv5cnbcuyD7UoURx:y4soLcAD7SyGESg/nouy8L
TLSH T16213F2E292F43469A04A94311838F9377ED06A49A3E15327DB4C35F1EA753780738FAB
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 :
26
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-10028259-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Runs as daemon
Opens a port
Kills processes
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/688cb4a29dbaf6e4b220cb09/reports/21870b79-d4de-4754-92df-8e37b6c8ca8d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
custom
Botnet:
unknown
Number of open files:
18
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/b3fb14712d2b26f7ac50538e7152acc52f23ac21b0a34174cdcc688d86fd8f9f
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fe213ca5-bff1-476a-ad11-0158954569bd
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1748453
Signature
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1748453 Sample: rep.i486.elf Startdate: 01/08/2025 Architecture: LINUX Score: 64 25 91.186.63.96, 23 WOBCOMDE Germany 2->25 27 216.217.104.162, 23 WINDSTREAMUS United States 2->27 29 99 other IPs or domains 2->29 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Connects to many ports of the same IP (likely port scanning) 2->37 8 rep.i486.elf 2->8         started        10 gdm3 Default 2->10         started        12 gdm3 Default 2->12         started        14 17 other processes 2->14 signatures3 process4 process5 16 rep.i486.elf 8->16         started        process6 18 rep.i486.elf 16->18         started        21 rep.i486.elf 16->21         started        23 rep.i486.elf 16->23         started        signatures7 31 Sample tries to kill multiple processes (SIGKILL) 18->31
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3fb14712d2b26f7ac50538e7152acc52f23ac21b0a34174cdcc688d86fd8f9f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3fb14712d2b26f7ac50538e7152acc52f23ac21b0a34174cdcc688d86fd8f9f/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/b3fb14712d2b26f7ac50538e7152acc52f23ac21b0a34174cdcc688d86fd8f9f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-01 12:29:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wp5ri4jnfmtpplcqkohhcuvmyuxshlbbwcruc5gnzrui3bx5r6pq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
antivm defense_evasion discovery linux
Link:
https://tria.ge/reports/250801-psmqnaap7x/
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Contacts a large (28701) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10028259-0
YARA:
n/a
Link:
https://app.threat.zone/submission/20b71b2f-18cf-4600-90b9-88fdbd1a4fbc
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/b3fb14712d2b26f7ac50538e7152acc52f23ac21b0a34174cdcc688d86fd8f9f

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: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_antiunpack_elf32
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information

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

Web download

Mirai

elf b3fb14712d2b26f7ac50538e7152acc52f23ac21b0a34174cdcc688d86fd8f9f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3594233/
  
Delivery method
Distributed via web download

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