MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4066f531e5d8d1135eb2e26632f3cd6bb8428eac11f8e53eb09f29b40d5b5479. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 4066f531e5d8d1135eb2e26632f3cd6bb8428eac11f8e53eb09f29b40d5b5479
SHA3-384 hash: 1561615d05561da90e9fb6413c97ac63452007593111dc5a7417a983fb85474c339bb2a7f0cdd376245a4dee7e4dc63b
SHA1 hash: 5b0c57a76100126ecbeb458db5d3dc075227d437
MD5 hash: f75465cf9a3b0de58286f17f970a7042
humanhash: butter-avocado-vegan-sixteen
File name:evpyuqbis
Download: download sample
Signature Mirai
File size:37'396 bytes
First seen:2026-06-19 13:31:46 UTC
Last seen:2026-06-20 10:28:31 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:0hFpoG+zuN07uUaXpJ24C47+lYa9AkCmDCofHJnbcuyD7UGQRj5v:cFGtaN0aUaJ24x7GYscofHJnouy8GyNv
TLSH T1F8F2F19FD56B0744D65E383B0E6E200E0A98E44B5794D34B9F84F1488CF4FD2AA7A4D3
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 BlinkzSec
Tags:mirai UPX
File size (compressed) :37'396 bytes
File size (de-compressed) :82'868 bytes
Format:linux/i386
Unpacked file: b88d377c96205efccc5e74768f1596e04e75fcffee005b3418c83aad6a5a116c

Intelligence


File Origin
# of uploads :
2
# of downloads :
54
Origin country :
SE SE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the RAM
Sends data to a server
Collects information on the CPU
Connection attempt
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-17T13:24:00Z UTC
Last seen:
2026-06-21T09:47:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=094598dc-1b00-0000-f8b0-baaa2e0c0000 pid=3118 /usr/bin/sudo guuid=18e8d8de-1b00-0000-f8b0-baaa320c0000 pid=3122 /tmp/sample.bin net guuid=094598dc-1b00-0000-f8b0-baaa2e0c0000 pid=3118->guuid=18e8d8de-1b00-0000-f8b0-baaa320c0000 pid=3122 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=18e8d8de-1b00-0000-f8b0-baaa320c0000 pid=3122->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a691b6df-1b00-0000-f8b0-baaa340c0000 pid=3124 /tmp/sample.bin guuid=18e8d8de-1b00-0000-f8b0-baaa320c0000 pid=3122->guuid=a691b6df-1b00-0000-f8b0-baaa340c0000 pid=3124 clone guuid=f62aaa0c-1d00-0000-f8b0-baaa200e0000 pid=3616 /tmp/sample.bin guuid=18e8d8de-1b00-0000-f8b0-baaa320c0000 pid=3122->guuid=f62aaa0c-1d00-0000-f8b0-baaa200e0000 pid=3616 clone guuid=e7fcbd0c-1d00-0000-f8b0-baaa210e0000 pid=3617 /tmp/sample.bin net send-data zombie guuid=18e8d8de-1b00-0000-f8b0-baaa320c0000 pid=3122->guuid=e7fcbd0c-1d00-0000-f8b0-baaa210e0000 pid=3617 clone guuid=20db26e0-1b00-0000-f8b0-baaa350c0000 pid=3125 /tmp/sample.bin guuid=a691b6df-1b00-0000-f8b0-baaa340c0000 pid=3124->guuid=20db26e0-1b00-0000-f8b0-baaa350c0000 pid=3125 clone guuid=637730e0-1b00-0000-f8b0-baaa360c0000 pid=3126 /tmp/sample.bin net send-data zombie guuid=a691b6df-1b00-0000-f8b0-baaa340c0000 pid=3124->guuid=637730e0-1b00-0000-f8b0-baaa360c0000 pid=3126 clone 4c2bea0e-a378-544b-8c18-886577d3929d 45.156.87.130:4143 guuid=637730e0-1b00-0000-f8b0-baaa360c0000 pid=3126->4c2bea0e-a378-544b-8c18-886577d3929d send: 2B guuid=e7fcbd0c-1d00-0000-f8b0-baaa210e0000 pid=3617->4c2bea0e-a378-544b-8c18-886577d3929d send: 2B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-17 18:41:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 4066f531e5d8d1135eb2e26632f3cd6bb8428eac11f8e53eb09f29b40d5b5479

(this sample)

  
Delivery method
Distributed via web download

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