MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b8fa5f9e75f63b50fbfceed3345f07dc3bd8bbdad9cb8492db33853938f811b. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b8fa5f9e75f63b50fbfceed3345f07dc3bd8bbdad9cb8492db33853938f811b
SHA3-384 hash: 91a296ebd1002d3fdc26f247a635bb16253209b5863338eec7ba0cf032969a7118474ec01b4215374d6c5cfc74ec5a80
SHA1 hash: ea1fdffc362ff29465b746423e68edcf409f18cf
MD5 hash: 5d4ff9a571d33c7bc970cf2e7ac70c01
humanhash: massachusetts-item-mexico-kitten
File name:Space.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:42'788 bytes
First seen:2026-05-26 19:42:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:XG2/l2Geuo2SdeQxZE2hgoG3U6ZQ+PVgOJ4MmJdtBNCwToOM:X3JuMQxm2htqzVgOjGP
TLSH T12C13199AFCC24A3FC1C01379A6AE5A4D3721E3E5D2CB7607CE585B3136C660E1D6AD80
telfhash t1e4e06840fc755e1854e76570dcdc47b095012223606a4b20cf55dae0883f110e30ce4d
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c84a5d3aad64f4dec45f8992855ec7fe7a05c75f5d9b94ba7563944cc645df53
File size (compressed) :20'540 bytes
File size (de-compressed) :42'788 bytes
Format:linux/arm
Packed file: c84a5d3aad64f4dec45f8992855ec7fe7a05c75f5d9b94ba7563944cc645df53

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/061ea4e4-6cb4-4ae3-88ba-308027e60de2/
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/6a15f7a146e44aecc0bdc6e7/reports/9d0c5c3e-83fc-4443-9976-74adfcbb8458/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-26T17:44:00Z UTC
Last seen:
2026-05-26T18:12:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3b8fa5f9e75f63b50fbfceed3345f07dc3bd8bbdad9cb8492db33853938f811b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2bbe3c8a-a4c5-4a7e-b628-e7b0196db34b
Behavior Graph:
Download SVG
%3 guuid=0f6c9ce7-1b00-0000-acba-296ec00b0000 pid=3008 /usr/bin/sudo guuid=12a856ea-1b00-0000-acba-296ec60b0000 pid=3014 /tmp/sample.bin guuid=0f6c9ce7-1b00-0000-acba-296ec00b0000 pid=3008->guuid=12a856ea-1b00-0000-acba-296ec60b0000 pid=3014 execve
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3b8fa5f9e75f63b50fbfceed3345f07dc3bd8bbdad9cb8492db33853938f811b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b8fa5f9e75f63b50fbfceed3345f07dc3bd8bbdad9cb8492db33853938f811b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-26 19:43:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hoh2l6phl5r3kd57z3wtgrpqpxb33c55vwolqsjnwm4fhe4pqenq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet
Link:
https://tria.ge/reports/260526-ye6q2shx3p/
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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf c84a5d3aad64f4dec45f8992855ec7fe7a05c75f5d9b94ba7563944cc645df53

Mirai

elf 3b8fa5f9e75f63b50fbfceed3345f07dc3bd8bbdad9cb8492db33853938f811b

(this sample)

  
Dropped by
SHA256 c84a5d3aad64f4dec45f8992855ec7fe7a05c75f5d9b94ba7563944cc645df53
  
URLhaus
https://urlhaus.abuse.ch/url/3853551/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 a4aef27cf0b1329a07f75396015a83c5

Comments