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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40beb40bd3af85dfd5aee02c8c146c7922a58e0cee068e4104fb8dc8ea86fbc6. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: 40beb40bd3af85dfd5aee02c8c146c7922a58e0cee068e4104fb8dc8ea86fbc6
SHA3-384 hash: 6cf701c5111a940ae538342642510c64ea12e4f3aa9fe1c9dc372914b820d392c87a74d5f34efa27d6fcf7e92cebbaa4
SHA1 hash: 38e1b6588ad338227142fa401b822804d065f298
MD5 hash: a7a8f9d601a55cc78d7b729ad614ef3a
humanhash: island-edward-carpet-venus
File name:mips
Download: download sample
Signature Mirai
File size:60'484 bytes
First seen:2025-08-09 12:10:45 UTC
Last seen:2025-08-10 03:05:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:SPs4z8HbwNCmxhGqJfu/qG4DPI0EPl0/bPb29iatVJu8:AzGbIDcIfuCnDP8+/bPu/VQ8
TLSH T1EE43023943189CDDD6D4A0FD89D08E116F67DF2492DAFCF76908A782BE070D4A505EE2
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) :60'484 bytes
File size (de-compressed) :195'012 bytes
Format:linux/mips
Unpacked file: 0f1fa78af07a7733f325d02cc006837c7959f912dd05faffc35b3b77efbe3c71

Intelligence


File Origin
# of uploads :
4
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sets a written file as executable
Launching a process
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
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
79
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=f0f86f63-1c00-0000-298a-dc9fac0b0000 pid=2988 /usr/bin/sudo guuid=61e6cd65-1c00-0000-298a-dc9fb10b0000 pid=2993 /tmp/sample.bin guuid=f0f86f63-1c00-0000-298a-dc9fac0b0000 pid=2988->guuid=61e6cd65-1c00-0000-298a-dc9fb10b0000 pid=2993 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Multi AV Scanner detection for submitted file
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 Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1753693 Sample: mips.elf Startdate: 09/08/2025 Architecture: LINUX Score: 84 35 t.nightbotnet.my.id 185.208.159.135, 33308, 33310, 33312 SIMPLECARRER2IT Switzerland 2->35 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Gafgyt 2->47 49 Yara detected Mirai 2->49 51 Sample is packed with UPX 2->51 10 mips.elf 2->10         started        signatures3 process4 signatures5 53 Sample tries to set files in /etc globally writable 10->53 55 Drops files in suspicious directories 10->55 57 Sample tries to persist itself using System V runlevels 10->57 13 mips.elf 10->13         started        15 mips.elf sh 10->15         started        process6 process7 17 mips.elf 13->17         started        21 sh cp 15->21         started        file8 31 /etc/init.d/sysd, POSIX 17->31 dropped 37 Sample tries to set files in /etc globally writable 17->37 39 Drops files in suspicious directories 17->39 41 Sample tries to persist itself using System V runlevels 17->41 23 mips.elf sh 17->23         started        25 mips.elf 17->25         started        43 Drops invisible ELF files 21->43 signatures9 process10 process11 27 sh cp 23->27         started        file12 33 /usr/bin/.sh, ELF 27->33 dropped 59 Drops invisible ELF files 27->59 61 Drops files in suspicious directories 27->61 signatures13
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-08-09 12:11:37 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
UPX packed file
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Malware Family:
n/a
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 40beb40bd3af85dfd5aee02c8c146c7922a58e0cee068e4104fb8dc8ea86fbc6

(this sample)

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

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