MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b646fab71b5e93ccd80b61786fd193086be21158ef8e25f8ff76468db55cdbd2. 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 3 File information Comments

SHA256 hash: b646fab71b5e93ccd80b61786fd193086be21158ef8e25f8ff76468db55cdbd2
SHA3-384 hash: c36fe9fcc0bdc25f2bd1d5705df2a1447708913513529bca5d46fb61460ef64d6075c063a6194e35cf9b058c41a2cd2d
SHA1 hash: f20d8dadd5ba34c63377ea24b5d0e51a79aeda84
MD5 hash: 953875614fec2a7b7b308ada235fd391
humanhash: oregon-violet-london-ohio
File name:boatnet.i486
Download: download sample
Signature Mirai
File size:23'440 bytes
First seen:2026-04-19 12:12:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:MniiBi3f2PSrf64K5WFSlvNjJ6mAN8bhmglJbN2EIKHT0P6+PbhDYOK6sNrUeCVn:xiBiv2PSbePxNNw8dtlJwEIGT0P1PbhD
TLSH T16CB2E16C50940E09D85B40FF9ABE05E6E66184834AFFCBD99F270CC3E2B74A2791C614
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
File size (compressed) :23'440 bytes
File size (de-compressed) :54'204 bytes
Format:linux/i386
Unpacked file: a84b4544c37bc2b6426c5c0a5970038f1858f2cd8f4c76723cfac0d7e034618c

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Runs as daemon
Receives data from a server
Connection attempt
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-19T09:08:00Z UTC
Last seen:
2026-04-21T06:39:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=b5c60457-1900-0000-5002-4280330b0000 pid=2867 /usr/bin/sudo guuid=3cc7945a-1900-0000-5002-42803c0b0000 pid=2876 /tmp/sample.bin net guuid=b5c60457-1900-0000-5002-4280330b0000 pid=2867->guuid=3cc7945a-1900-0000-5002-42803c0b0000 pid=2876 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=3cc7945a-1900-0000-5002-42803c0b0000 pid=2876->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0b81e65a-1900-0000-5002-42803e0b0000 pid=2878 /tmp/sample.bin zombie guuid=3cc7945a-1900-0000-5002-42803c0b0000 pid=2876->guuid=0b81e65a-1900-0000-5002-42803e0b0000 pid=2878 clone guuid=e76beb5a-1900-0000-5002-42803f0b0000 pid=2879 /tmp/sample.bin guuid=3cc7945a-1900-0000-5002-42803c0b0000 pid=2876->guuid=e76beb5a-1900-0000-5002-42803f0b0000 pid=2879 clone guuid=738bf05a-1900-0000-5002-4280400b0000 pid=2880 /tmp/sample.bin net send-data zombie guuid=3cc7945a-1900-0000-5002-42803c0b0000 pid=2876->guuid=738bf05a-1900-0000-5002-4280400b0000 pid=2880 clone guuid=738bf05a-1900-0000-5002-4280400b0000 pid=2880->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con d183a5f6-61ac-5c8a-bd44-32bf5155798d 176.65.139.59:3778 guuid=738bf05a-1900-0000-5002-4280400b0000 pid=2880->d183a5f6-61ac-5c8a-bd44-32bf5155798d send: 5B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-19 12:12:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux upx
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b646fab71b5e93ccd80b61786fd193086be21158ef8e25f8ff76468db55cdbd2

(this sample)

  
Delivery method
Distributed via web download

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