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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efe91df0741a0529c898501bad566eabb460e45c9e6a74cd73026863f27fe1c7. 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: 7


Intelligence 7 IOCs YARA 17 File information Comments

SHA256 hash: efe91df0741a0529c898501bad566eabb460e45c9e6a74cd73026863f27fe1c7
SHA3-384 hash: b1132babafa9c5aac7e39a16af1200ad2311183595e70812d52ba5bf736c3ae67639c32409607e822022e630fa706ec6
SHA1 hash: 0e31a081047a56c4ad710a1a4a84359bfd0bb2c4
MD5 hash: 9cfd7e0c07a5ceacf02cc61aa120b262
humanhash: oven-charlie-carolina-speaker
File name:efe91df0741a0529.bin
Download: download sample
Signature Mirai
File size:604'408 bytes
First seen:2026-09-28 15:24:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:Adf0GhGMSqeOf4vcqV4NCogcPR8W2oAlThNvSeNZoxphymve2MSSIjjNHLoc+MsL:0fhMKhq+NRHp8d9wX7GIyc+Ms2dex
TLSH T106D48E87BA50CDBFF887D336441306256020F2A255A2AB2FE15F7CA5DF2D1A07539BC6
Magika elf
Reporter whack_sh
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
Origin country :
US US
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc masquerade
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-09-29T21:27:00Z UTC
Last seen:
2026-09-30T08:35:00Z UTC
Hits:
~1000
Status:
terminated
Behavior Graph:
%3 guuid=f9806852-1a00-0000-4fc0-7db893060000 pid=1683 /usr/bin/sudo guuid=d9729b55-1a00-0000-4fc0-7db898060000 pid=1688 /tmp/sample.bin guuid=f9806852-1a00-0000-4fc0-7db893060000 pid=1683->guuid=d9729b55-1a00-0000-4fc0-7db898060000 pid=1688 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-09-28 15:25:33 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:golang
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:MIRAI_TELNETCURL_payload
Author:AfterPacket
Description:Mirai-lineage ELF payload carrying the leaked-source decoy domain
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:telebot_framework
Author:vietdx.mb
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: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 efe91df0741a0529c898501bad566eabb460e45c9e6a74cd73026863f27fe1c7

(this sample)

  
Delivery method
Distributed via web download

Comments