MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b50746e3473d7c167057190456ec0cd0404de31298d6f94100863f8e2cec1aff. 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 8 File information Comments

SHA256 hash: b50746e3473d7c167057190456ec0cd0404de31298d6f94100863f8e2cec1aff
SHA3-384 hash: d17811def809310f9991daeed47baffcc1e23a2d2b726e25c0ce371fa052d4e04ed6d23f5da61c08ca3125d987da969f
SHA1 hash: deee9c82d76ee2904e98ee5e3d8ab556b23321de
MD5 hash: 79ec300f37989cca8fa9d8ca3a20c979
humanhash: april-helium-artist-batman
File name:nz.spc
Download: download sample
Signature Mirai
File size:124'416 bytes
First seen:2026-08-04 08:36:52 UTC
Last seen:2026-08-04 16:28:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:zvRuAi+LMrcySCR2PA44YrCMGUIlKBClP9vDDDF6gbhjZiVygGtO7PYm5EOxApxi:67l29UP3hjZUyzkzYOEGHXxx
TLSH T1CAC36D22B4791E27C4E0A47712F75722B1F657D915A8CA4F7E720E8EBF112D02A07BB4
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
101
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-04T07:05:00Z UTC
Last seen:
2026-08-04T08:47:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=19733d17-1700-0000-53a8-f009640d0000 pid=3428 /usr/bin/sudo guuid=d15f571a-1700-0000-53a8-f0096c0d0000 pid=3436 /tmp/sample.bin guuid=19733d17-1700-0000-53a8-f009640d0000 pid=3428->guuid=d15f571a-1700-0000-53a8-f0096c0d0000 pid=3436 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1951747 Sample: nz.spc.elf Startdate: 04/08/2026 Architecture: LINUX Score: 72 22 s3o65awrf56.net 31.56.209.153, 44292, 44294, 44296 SWISSNET-ASUS Netherlands 2->22 24 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEM-CapeRegionalMedicalCenterIncUS United States 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Yara detected Mirai 2->30 8 nz.spc.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 nz.spc.elf 8->12         started        14 nz.spc.elf 8->14         started        16 nz.spc.elf 8->16         started        process6 18 nz.spc.elf 12->18         started        20 nz.spc.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-04 09:36:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet linux
Malware Config
C2 Extraction:
s3o65awrf56.net
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:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
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 b50746e3473d7c167057190456ec0cd0404de31298d6f94100863f8e2cec1aff

(this sample)

  
Delivery method
Distributed via web download

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