MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3bd04ded327f48798299b6a27cbc3e4c8318a1836cb2fc8dcab8ada9a36f670. 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: 10


Intelligence 10 IOCs YARA 16 File information Comments

SHA256 hash: a3bd04ded327f48798299b6a27cbc3e4c8318a1836cb2fc8dcab8ada9a36f670
SHA3-384 hash: 590558a11ef967d399c5fec01fcee5aa12b10d61ebf6416a55a5307fa473154a03a4ab4acd78134cddaca15a8bcf63eb
SHA1 hash: b4151a15c471530bf45de94a6e4313764fcf9944
MD5 hash: 31b296f88c4350019a41714e0d345225
humanhash: fifteen-minnesota-kilo-august
File name:vaxstresser.i686
Download: download sample
Signature Mirai
File size:87'316 bytes
First seen:2026-04-27 20:52:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:HInlZzkj+0cO4xoPEw6HMAyvleEMWximKjfTsv4gz9F7EY:HIlySh9is7HMAQjwmKjfTc4DY
TLSH T17D8329C1FA8BC0F1D91B89304067F73FCB31E9695061975DEF9A9E36DA33581A212389
telfhash t18a3103f6167a0de897e00c41e24e6f652d1eab7b606037a34273c930222fc42427bd39
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 aa1f63d4581631b161db6d109d5272d5596bb034a5fc4f2a2c9f214e83802857
File size (compressed) :41'304 bytes
File size (de-compressed) :87'316 bytes
Format:linux/i386
Packed file: aa1f63d4581631b161db6d109d5272d5596bb034a5fc4f2a2c9f214e83802857

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-27T18:28:00Z UTC
Last seen:
2026-04-29T16:33:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=338db89f-1a00-0000-3d71-11150a0a0000 pid=2570 /usr/bin/sudo guuid=6c7e31a2-1a00-0000-3d71-1115120a0000 pid=2578 /tmp/sample.bin net guuid=338db89f-1a00-0000-3d71-11150a0a0000 pid=2570->guuid=6c7e31a2-1a00-0000-3d71-1115120a0000 pid=2578 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=6c7e31a2-1a00-0000-3d71-1115120a0000 pid=2578->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=8a456aa2-1a00-0000-3d71-1115140a0000 pid=2580 /tmp/sample.bin guuid=6c7e31a2-1a00-0000-3d71-1115120a0000 pid=2578->guuid=8a456aa2-1a00-0000-3d71-1115140a0000 pid=2580 clone guuid=f33edece-1b00-0000-3d71-1115840c0000 pid=3204 /tmp/sample.bin guuid=6c7e31a2-1a00-0000-3d71-1115120a0000 pid=2578->guuid=f33edece-1b00-0000-3d71-1115840c0000 pid=3204 clone guuid=7d27e2ce-1b00-0000-3d71-1115850c0000 pid=3205 /tmp/sample.bin net send-data zombie guuid=6c7e31a2-1a00-0000-3d71-1115120a0000 pid=2578->guuid=7d27e2ce-1b00-0000-3d71-1115850c0000 pid=3205 clone guuid=451272a2-1a00-0000-3d71-1115150a0000 pid=2581 /tmp/sample.bin guuid=8a456aa2-1a00-0000-3d71-1115140a0000 pid=2580->guuid=451272a2-1a00-0000-3d71-1115150a0000 pid=2581 clone guuid=fa6f76a2-1a00-0000-3d71-1115160a0000 pid=2582 /tmp/sample.bin dns net send-data zombie guuid=8a456aa2-1a00-0000-3d71-1115140a0000 pid=2580->guuid=fa6f76a2-1a00-0000-3d71-1115160a0000 pid=2582 clone guuid=fa6f76a2-1a00-0000-3d71-1115160a0000 pid=2582->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 37B b2aa0397-4a7c-52bd-bda0-5fdf9cddca6c botnet.fizra.biz.id:69 guuid=fa6f76a2-1a00-0000-3d71-1115160a0000 pid=2582->b2aa0397-4a7c-52bd-bda0-5fdf9cddca6c send: 10B guuid=7d27e2ce-1b00-0000-3d71-1115850c0000 pid=3205->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1140B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=7d27e2ce-1b00-0000-3d71-1115850c0000 pid=3205->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-27 20:54:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 a3bd04ded327f48798299b6a27cbc3e4c8318a1836cb2fc8dcab8ada9a36f670

(this sample)

  
Delivery method
Distributed via web download

Comments