MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9b5bd808f405493c668f763d4b4faf3d40efcc75ceea4381a2bd07e341a6ccf. 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 3 File information Comments

SHA256 hash: b9b5bd808f405493c668f763d4b4faf3d40efcc75ceea4381a2bd07e341a6ccf
SHA3-384 hash: 2ce0f648c4c3247f5ee64b807ae4188bfe03fb1c095d8b1b968fdb72480e1205a89b41df399efd1c521c01068633a8b4
SHA1 hash: b8093a2ae9b33cfd43aa6b5d32bfca0f05f4bec7
MD5 hash: ab476915a97f9e164987285a7af2af9c
humanhash: echo-georgia-south-batman
File name:m68k
Download: download sample
Signature Mirai
File size:176'032 bytes
First seen:2025-08-07 10:49:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:dHBd66LQ5ALsmBQMNlyjm4ScWQE/Avd2M89TYEEGVjjbijLUKl1EjQjJ:FLLuAJDyjLSpQEYvUOEEFLUsjJ
TLSH T1640429C7F800DDBAF80AF33B4453092AB130BB9154925B373257797BED3A1991427E86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash explorer lolbin remote
Status:
terminated
Behavior Graph:
%3 guuid=951951d4-2200-0000-9d60-dd7d370a0000 pid=2615 /usr/bin/sudo guuid=516b44d6-2200-0000-9d60-dd7d3f0a0000 pid=2623 /tmp/sample.bin guuid=951951d4-2200-0000-9d60-dd7d370a0000 pid=2615->guuid=516b44d6-2200-0000-9d60-dd7d3f0a0000 pid=2623 execve
Result
Threat name:
Aquabot
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Yara detected Aquabot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1752244 Sample: m68k.elf Startdate: 07/08/2025 Architecture: LINUX Score: 84 25 eteryum.xyz. [malformed] 2->25 27 eteryum.xyz 2->27 29 4 other IPs or domains 2->29 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Aquabot 2->35 8 m68k.elf 2->8         started        10 gvfsd-fuse fusermount 2->10         started        13 systemd journalctl 2->13         started        15 13 other processes 2->15 signatures3 37 Sends malformed DNS queries 25->37 39 Performs DNS queries to domains with low reputation 27->39 process4 signatures5 17 m68k.elf 8->17         started        47 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->47 process6 signatures7 31 Sample deletes itself 17->31 20 m68k.elf 17->20         started        23 m68k.elf 17->23         started        process8 signatures9 41 Manipulation of devices in /dev 20->41 43 Deletes system log files 20->43 45 Sample tries to kill multiple processes (SIGKILL) 23->45
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-07 02:02:28 UTC
File Type:
ELF32 Big (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
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:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 b9b5bd808f405493c668f763d4b4faf3d40efcc75ceea4381a2bd07e341a6ccf

(this sample)

  
Delivery method
Distributed via web download

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