MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40acd47d0acd2b1ef4d0ff434160c7da6232009deece35ea4b5bded0dd58aece. 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 4 File information Comments

SHA256 hash: 40acd47d0acd2b1ef4d0ff434160c7da6232009deece35ea4b5bded0dd58aece
SHA3-384 hash: dd6a82f4183fa026ffae0c83fb96227f4fab87080027a275153db6c9adc7d343127159f523f2f1a7605f4ea7fee06d9e
SHA1 hash: e3b70b7777a1ff3c17b20f9d34aee424543e406c
MD5 hash: 3b4bb4db740c1742639417b2eb5713a3
humanhash: quiet-one-delta-xray
File name:debug
Download: download sample
Signature Mirai
File size:40'556 bytes
First seen:2026-08-01 19:55:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Mu//8y/9M5xmPrfeMCwM8IrqNC/tuaOc47htwzPj1fonbcuyD7UHQRj9/:MugxyT/+gC/p0hIr1Qnouy8Hy5/
TLSH T12A03F1A1DEC26542FAF70A34309EF5E68299DC2D114091FAC66BD5DF8C5FB262A4C1A0
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) :40'556 bytes
File size (de-compressed) :79'472 bytes
Format:linux/i386
Unpacked file: 936262b3ce5ecf728b8967cfa5da917a087d94fae488caaa74de57d05676b286

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
dropper mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
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:
2026-08-01T17:52:00Z UTC
Last seen:
2026-08-03T01:33:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=40d716d6-1c00-0000-7acd-618442080000 pid=2114 /usr/bin/sudo guuid=8a08dcdd-1c00-0000-7acd-61844c080000 pid=2124 /tmp/sample.bin net guuid=40d716d6-1c00-0000-7acd-618442080000 pid=2114->guuid=8a08dcdd-1c00-0000-7acd-61844c080000 pid=2124 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=8a08dcdd-1c00-0000-7acd-61844c080000 pid=2124->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-01 19:55:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet linux upx
Behaviour
Family: Mirai
Malware Config
C2 Extraction:
cvawrs.duckdns.org
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 40acd47d0acd2b1ef4d0ff434160c7da6232009deece35ea4b5bded0dd58aece

(this sample)

  
Delivery method
Distributed via web download

Comments