MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fb1d8352fd1652e4c4e86be3f4d463bc21428ec8d72b13b9b3ba4cfa809f8fd. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 4fb1d8352fd1652e4c4e86be3f4d463bc21428ec8d72b13b9b3ba4cfa809f8fd
SHA3-384 hash: d0966a1b75fd1298cd088b7d0522ec78b04a16a6891cf0dfda22feb30d06afb537b396a2b66b0be571deacd80b5cfcb7
SHA1 hash: f65bb554b6246f6380b4b501ebac04ff82906a0f
MD5 hash: 168b592a7eceae8e23ba539c3a833b13
humanhash: oranges-double-island-kansas
File name:rizzx.arm
Download: download sample
Signature Mirai
File size:41'620 bytes
First seen:2026-02-26 04:12:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:iNYZqyhMdr7iy9Ob8W9LFJdYsDVrA7htUo0wUbs3UozwR8:EYrMd/B9ObbfDR00onUGz88
TLSH T1D713E139C4C0A453DED12837E968C4C8161B95F8E1EE7B5B1C28EF44F56319758A8C9B
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 UPX
File size (compressed) :41'620 bytes
File size (de-compressed) :93'076 bytes
Format:linux/arm
Unpacked file: 21055ad93cdfe3a2da24bb7aef4988442ea36f90c2f916e80d966512884089e0

Intelligence


File Origin
# of uploads :
1
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-02-24 11:35:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 4fb1d8352fd1652e4c4e86be3f4d463bc21428ec8d72b13b9b3ba4cfa809f8fd

(this sample)

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