MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5ef3b135e2a0e79c30e8ca119ec94f1e4eea402d85968feb61ffb3e47e02318. 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: c5ef3b135e2a0e79c30e8ca119ec94f1e4eea402d85968feb61ffb3e47e02318
SHA3-384 hash: b5303e1643e3045c5ec87256e21285e048000dd6413edf91f8168d7f788347283a46e862bd179b831400a0ad6c73d990
SHA1 hash: 232396270a24985d5cb5e310875cf5fffcfd87c5
MD5 hash: fec2fba4c55f77917f8252b1c974753f
humanhash: alabama-kentucky-robin-virginia
File name:Space.arm7
Download: download sample
Signature Mirai
File size:61'844 bytes
First seen:2026-05-29 07:09:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:CVQSmwtMJXmejtESGuLTM5Tfv83KJ2crl2EWyt:CVywt8XZeOLgTX83KHl2EWyt
TLSH T1DB5302D26440D1F3D75503BB69A4D843FFA41BBC65DA30AB256A9248A1E3D483CD7BC2
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) :61'844 bytes
File size (de-compressed) :159'412 bytes
Format:linux/arm
Unpacked file: 820394de350a6c3f9c6c9135f1846fb172492b4f2dd7bbc5132b8ff2bc377b29

Intelligence


File Origin
# of uploads :
1
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
Verdict:
Unknown
Threat level:
  2.5/10
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:
47
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
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-29T04:47:00Z UTC
Last seen:
2026-05-30T23:06:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c109fba5-1a00-0000-e597-2bb20a090000 pid=2314 /usr/bin/sudo guuid=131b9ea8-1a00-0000-e597-2bb20f090000 pid=2319 /tmp/sample.bin guuid=c109fba5-1a00-0000-e597-2bb20a090000 pid=2314->guuid=131b9ea8-1a00-0000-e597-2bb20f090000 pid=2319 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-05-29 01:19:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery 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: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 c5ef3b135e2a0e79c30e8ca119ec94f1e4eea402d85968feb61ffb3e47e02318

(this sample)

  
Delivery method
Distributed via web download

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