MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b833394b614d4635a17a3ae30d43380fbc0b8dcd7a8de601715f8d87e9489c85. 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: 5


Intelligence 5 IOCs YARA 9 File information Comments

SHA256 hash: b833394b614d4635a17a3ae30d43380fbc0b8dcd7a8de601715f8d87e9489c85
SHA3-384 hash: 0a2dbaaf4da53c3bdbff181a478390d6df199a254ebb4751e4448583586fda57eb039150e2a3f065ddcbfb11b5b127c7
SHA1 hash: 1313e34358e6eadf44061010d874737a94cbd536
MD5 hash: 43613c68a124a4481d4c226ddb4f36e1
humanhash: oranges-lithium-uniform-nineteen
File name:nz.arc
Download: download sample
Signature Mirai
File size:124'352 bytes
First seen:2026-07-21 05:31:57 UTC
Last seen:2026-07-22 02:31:23 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:H5LQvJrKIEcfzXZ3NB4BuLaLWqxIijGsueEoutC8xZJqKg0//LWQ:H5LQv5gqrDqBuLetRGsZutCpKg0/q
TLSH T1F6C3BE97F68B24A1CC6147F007C76B8D2E6362118E6BE9E76C0E763B097A1DF19063C1
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 :
4
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Status:
terminated
Behavior Graph:
%3 guuid=7bfa5772-1b00-0000-fa9d-43d8f00b0000 pid=3056 /usr/bin/sudo guuid=66b8ce74-1b00-0000-fa9d-43d8f10b0000 pid=3057 /tmp/sample.bin guuid=7bfa5772-1b00-0000-fa9d-43d8f00b0000 pid=3056->guuid=66b8ce74-1b00-0000-fa9d-43d8f10b0000 pid=3057 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-21 05:33:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet linux
Malware Config
C2 Extraction:
jkqhdbbbqwiujkaz.hopto.org
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_Xlogin_Nov24_1
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
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 b833394b614d4635a17a3ae30d43380fbc0b8dcd7a8de601715f8d87e9489c85

(this sample)

  
Delivery method
Distributed via web download

Comments