MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81f6d40527ef98bba374bd650f4f8bc229d4ddb545b44fc4baf31e99fa9b5d3f. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81f6d40527ef98bba374bd650f4f8bc229d4ddb545b44fc4baf31e99fa9b5d3f
SHA3-384 hash: 734f9e0e51cb56be3b3afabefdda083430c7dc6231a52c02fcd5bdf4efa1ec351284c0da91cf8cb19da34d4afb07004c
SHA1 hash: 7ee308c61bb3ed69b06a26ae3676eaf5d01d4e67
MD5 hash: 1b479b19ef5be3d56be06f5a0f22f125
humanhash: fourteen-apart-violet-sodium
File name:Space.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:38'076 bytes
First seen:2026-03-14 13:18:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:cgN29x3ZpzZ5VjNuvtE54Fe7GbxBDbYsPs4P5cZqT9MKSJgGlzDpbuR1J/:q9xJZZNKNFjBfRUMSqT/WVJuJ
TLSH T18703E03D090510F4E57EC17F92E947A0653607AA6942CE163260F6E7A70E8BC78A37EC
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika unknown
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :38'076 bytes
File size (de-compressed) :101'188 bytes
Format:linux/mips
Unpacked file: 6b1e79c0baceee4dd4472236e595640406ba9b8f81dbe45365af16eef87cdb7f

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a63ef33a-1c93-4432-9b4d-e252f4c81b67/
Detection(s):
Unix.Trojan.Mirai-10058417-0
Create hunting rule

Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
36
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/81f6d40527ef98bba374bd650f4f8bc229d4ddb545b44fc4baf31e99fa9b5d3f
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
Link:
https://opentip.kaspersky.com/81f6d40527ef98bba374bd650f4f8bc229d4ddb545b44fc4baf31e99fa9b5d3f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/06ebb4a1-469f-4f95-9d30-02e9c4e644db
Behavior Graph:
Download SVG
%3 guuid=bc15a7b0-1a00-0000-670e-46f69b080000 pid=2203 /usr/bin/sudo guuid=d75228b3-1a00-0000-670e-46f6a4080000 pid=2212 /tmp/sample.bin guuid=bc15a7b0-1a00-0000-670e-46f69b080000 pid=2203->guuid=d75228b3-1a00-0000-670e-46f6a4080000 pid=2212 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/36b18238-b2cd-4550-9cb7-e2a6dd65dc0c
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81f6d40527ef98bba374bd650f4f8bc229d4ddb545b44fc4baf31e99fa9b5d3f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81f6d40527ef98bba374bd650f4f8bc229d4ddb545b44fc4baf31e99fa9b5d3f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-14 13:19:38 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qh3nibjh56mlxi3uxvsq6t4lyiu5jxnviw2e7rf26mpjt6u3lu7q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260314-qkpqqaft9m/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/81f6d40527ef98bba374bd650f4f8bc229d4ddb545b44fc4baf31e99fa9b5d3f

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
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 81f6d40527ef98bba374bd650f4f8bc229d4ddb545b44fc4baf31e99fa9b5d3f

(this sample)

Mirai

elf 6b1e79c0baceee4dd4472236e595640406ba9b8f81dbe45365af16eef87cdb7f

  
URLhaus
https://urlhaus.abuse.ch/url/3795791/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3795808/
  
Dropping
SHA256 6b1e79c0baceee4dd4472236e595640406ba9b8f81dbe45365af16eef87cdb7f
  
Dropping
MD5 0a82563091653c0c5a1d7beafce1c57d

Comments