MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d81a27bbf882d13e0752fcd8d70a53d67dfdeda877c62fb365e16c4ccae0804b. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d81a27bbf882d13e0752fcd8d70a53d67dfdeda877c62fb365e16c4ccae0804b
SHA3-384 hash: a3fe1706eec07d1fdf65f0b5af5c5c8733a864bfad5686beb7838477e05c767dd61a5c7cdde54a750d15b96465a1245c
SHA1 hash: 90299787ce1afced47b8e561a1dfc464df785d5b
MD5 hash: 7093765e3c465cad6f259b33fd6b3231
humanhash: snake-cold-uranus-finch
File name:Space.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:113'676 bytes
First seen:2026-06-01 13:59:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Fs1M5131VkQLo/+RcGP0Xvw58OL8/e7TZqV7+K5HQfcLT7+KZP:F6MLDkfmRceae7TMaUbZZP
TLSH T197B3B409BFA00EBBD8ABCC3709ED1B4228CD655722B93B757534D928B54A24F19D3C78
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 5643e7fd7708cff1c4bcac0e9e507caf85e7dd10fc09fd08657c903573d30737
File size (compressed) :42'180 bytes
File size (de-compressed) :113'676 bytes
Format:linux/mipsel
Packed file: 5643e7fd7708cff1c4bcac0e9e507caf85e7dd10fc09fd08657c903573d30737

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
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/7c2587af-805b-4f0d-9e08-ef5c2acb8f39/
Detection(s):
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:

Behaviour
Runs as daemon
Collects information on the RAM
Collects information on the CPU
Connection attempt
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-01T15:22:00Z UTC
Last seen:
2026-06-02T08:55:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d81a27bbf882d13e0752fcd8d70a53d67dfdeda877c62fb365e16c4ccae0804b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/66f98673-69b6-4333-b73d-b77b398036db
Behavior Graph:
Download SVG
%3 guuid=d0b28588-1a00-0000-8f24-952c4b0a0000 pid=2635 /usr/bin/sudo guuid=26c3378b-1a00-0000-8f24-952c520a0000 pid=2642 /tmp/sample.bin guuid=d0b28588-1a00-0000-8f24-952c4b0a0000 pid=2635->guuid=26c3378b-1a00-0000-8f24-952c520a0000 pid=2642 execve
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d81a27bbf882d13e0752fcd8d70a53d67dfdeda877c62fb365e16c4ccae0804b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d81a27bbf882d13e0752fcd8d70a53d67dfdeda877c62fb365e16c4ccae0804b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-01 14:03:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ancpo7yqlit4b2s7tmnocst2z6733nio7dc7m3f4fwezsxaqbfq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery
Link:
https://tria.ge/reports/260601-rblhdagv6r/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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/d81a27bbf882d13e0752fcd8d70a53d67dfdeda877c62fb365e16c4ccae0804b

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 5643e7fd7708cff1c4bcac0e9e507caf85e7dd10fc09fd08657c903573d30737

Mirai

elf d81a27bbf882d13e0752fcd8d70a53d67dfdeda877c62fb365e16c4ccae0804b

(this sample)

  
Dropped by
SHA256 5643e7fd7708cff1c4bcac0e9e507caf85e7dd10fc09fd08657c903573d30737
  
URLhaus
https://urlhaus.abuse.ch/url/3857062/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 fb3a5912cf92c4988d53e7c0ff1b471d

Comments