MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8f4b4cd88fa898539e4ccc2c2de14df5bdc78b5e2dae1053725574169dfaa68. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments

SHA256 hash: e8f4b4cd88fa898539e4ccc2c2de14df5bdc78b5e2dae1053725574169dfaa68
SHA3-384 hash: 066e2581912ad04272c0c3182c61931fb713305f546b397feaaee784240bbf05aaa373062ff06c56db82cdfcb1890079
SHA1 hash: 3bc950eb6444acf1e349833c9c35633a40b3964c
MD5 hash: 961e597308ca6229b8d4599c778144f9
humanhash: bulldog-alpha-music-kentucky
File name:nz.sh4
Download: download sample
Signature Mirai
File size:80'336 bytes
First seen:2026-06-19 06:09:51 UTC
Last seen:2026-06-19 18:21:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:s/8EGEhFnk9C01XKlM5m74ND9YC9leyAcsI:s0EGySC01alHcD9YKf9sI
TLSH T17D739E23CCAA1998D59842B8B574FF3A5773D41056831FF611AACA76A043EECF8063F4
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 :
3
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-19T03:17:00Z UTC
Last seen:
2026-06-20T23:22:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw
Status:
terminated
Behavior Graph:
%3 guuid=55d5f82e-1a00-0000-bd21-1abfc20c0000 pid=3266 /usr/bin/sudo guuid=589aa131-1a00-0000-bd21-1abfc30c0000 pid=3267 /tmp/sample.bin guuid=55d5f82e-1a00-0000-bd21-1abfc20c0000 pid=3266->guuid=589aa131-1a00-0000-bd21-1abfc30c0000 pid=3267 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-19 06:10:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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: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: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 e8f4b4cd88fa898539e4ccc2c2de14df5bdc78b5e2dae1053725574169dfaa68

(this sample)

  
Delivery method
Distributed via web download

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