MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 723ef2e2fe041f254e9fd8c412cbceafdefe9c9988473461b575d11a9235fdee. 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 6 File information Comments

SHA256 hash: 723ef2e2fe041f254e9fd8c412cbceafdefe9c9988473461b575d11a9235fdee
SHA3-384 hash: 2a2fda92067ea6d5b5074fb7dbef9bf5ebf659244c9b1c63c1e13c73edaeafa616e6b97b93e60a29c8d936432b0c81ae
SHA1 hash: 29d59f708c327279d54db68ebf30fb275acaa982
MD5 hash: d867d1ae1a1dc34bb2f4e165b3ac3dfb
humanhash: nineteen-lake-salami-salami
File name:nz.sh4
Download: download sample
Signature Mirai
File size:83'812 bytes
First seen:2026-07-07 07:03:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:/6y1xh8uVMxxM4z9VRIKRP7SJCeRCaZiHfHye:/31xGxZ/RvRmCeRXW9
TLSH T14583AD33C93A0D68D84845B4B0B18FB65763E51581972EF7499AC63AD083EDCF58A3F4
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-07T00:54:00Z UTC
Last seen:
2026-07-08T19:20:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=f8c6bd52-1e00-0000-c8be-452034140000 pid=5172 /usr/bin/sudo guuid=d10fa655-1e00-0000-c8be-452035140000 pid=5173 /tmp/sample.bin guuid=f8c6bd52-1e00-0000-c8be-452034140000 pid=5172->guuid=d10fa655-1e00-0000-c8be-452035140000 pid=5173 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-07 05:49:56 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet 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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 723ef2e2fe041f254e9fd8c412cbceafdefe9c9988473461b575d11a9235fdee

(this sample)

  
Delivery method
Distributed via web download

Comments