MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ef45b9b5130ceefad36e943b9083515d91219d0f91eabde26d5001e2224718d. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments

SHA256 hash: 8ef45b9b5130ceefad36e943b9083515d91219d0f91eabde26d5001e2224718d
SHA3-384 hash: db4f5579d43a7a9b9367450aa8bb857d17f40bddf4c2de8b1f9c16c63270889101456e85481adc2616e44a0e0690ac3e
SHA1 hash: 77fe34bfd12d649ce8fbdc8b7e11933474c3db72
MD5 hash: 7579b7a1431082f487fb642ea678a91b
humanhash: wyoming-nuts-mockingbird-blossom
File name:miraint.spc
Download: download sample
Signature Mirai
File size:54'724 bytes
First seen:2026-02-17 01:01:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:g+oSy7lGvzbq9Ghc1SuA+/5DugQk71JqILfuO+hhQSRF29:g+IlGvvSGhcQuA+/5DVP71rchw
TLSH T18C335A22A8791E1BC0D0F87A62F78729B2F50B0F25A88B1E7D620F4EFF215D0555B1B5
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet gafgyt masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.be
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=33691571-1800-0000-d387-dab3f90c0000 pid=3321 /usr/bin/sudo guuid=3f806273-1800-0000-d387-dab3fa0c0000 pid=3322 /tmp/sample.bin guuid=33691571-1800-0000-d387-dab3f90c0000 pid=3321->guuid=3f806273-1800-0000-d387-dab3fa0c0000 pid=3322 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-17 01:02:29 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai linux
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_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 8ef45b9b5130ceefad36e943b9083515d91219d0f91eabde26d5001e2224718d

(this sample)

  
Delivery method
Distributed via web download

Comments