MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13a0764c31991c4e1a5ba79e5d2095b33f11df5f5d78232a48e9463a1b7be2d1. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 13a0764c31991c4e1a5ba79e5d2095b33f11df5f5d78232a48e9463a1b7be2d1
SHA3-384 hash: ba0b772cecc57579b1a5173503b8fc0efb71a490ad563674cef360e10a90efaac90fc94e9ea972cc9e543f37c3c4b43d
SHA1 hash: 96baef16656940d05cf47beba43577d6b6ba1d07
MD5 hash: d04872b265ae67c1d66dc01ad32301af
humanhash: kitten-cat-mango-missouri
File name:mYH
Download: download sample
Signature Mirai
File size:98'960 bytes
First seen:2026-08-02 09:28:23 UTC
Last seen:2026-08-03 04:31:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:oVraajlBcYkmGlOPq4RCS/hOIMLWsF3jyJ2hwOHSDT90ZNtbBpvJUTulyH:yr7XGlOPpAIWvF2J2FyDuZNtb3U
TLSH T150A3B71E6E629FACF2A9C23487F74A30965C23D127E1C5C4D1ACD5002E3835E995F7AE
telfhash t18d31c509493802f4e7710ddd6afdfe71e0a174db25251d378f11e899de6e9819d10c1d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
67
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Sets a written file as executable
Receives data from a server
Connection attempt
Sends data to a server
Manages services
Launching a process
Runs as daemon
Collects information on the CPU
Deleting a recently created file
Creating a file
Collects information on the RAM
Deletes a system binary file
Creates or modifies files in /cron to set up autorun
Writes symbolic links to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
55
Number of processes launched:
14
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-02T05:11:00Z UTC
Last seen:
2026-08-02T09:38:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=914eb1cb-2500-0000-7d0a-b1623f030000 pid=831 /usr/bin/sudo guuid=3dee3cce-2500-0000-7d0a-b16240030000 pid=832 /tmp/sample.bin guuid=914eb1cb-2500-0000-7d0a-b1623f030000 pid=831->guuid=3dee3cce-2500-0000-7d0a-b16240030000 pid=832 execve
Result
Threat name:
Generic IoTBotnet
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Generic IoTBotnet
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1951022 Sample: mYH.elf Startdate: 02/08/2026 Architecture: LINUX Score: 88 42 129.121.110.105, 1235, 23456, 38594 ORACLE-BMC-31898-OracleCorporationUS United States 2->42 44 129.121.114.124, 25365, 25565, 3389 ORACLE-BMC-31898-OracleCorporationUS United States 2->44 46 3 other IPs or domains 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected Generic IoTBotnet 2->52 54 Connects to many ports of the same IP (likely port scanning) 2->54 10 mYH.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        16 6 other processes 2->16 signatures3 process4 process5 18 mYH.elf 10->18         started        process6 20 mYH.elf 18->20         started        process7 22 mYH.elf 20->22         started        26 mYH.elf 20->26         started        28 mYH.elf 20->28         started        30 6 other processes 20->30 file8 36 /etc/rc.local, POSIX 22->36 dropped 38 /etc/crontab, ASCII 22->38 dropped 40 /etc/cron.d/crond, ASCII 22->40 dropped 56 Sample tries to set files in /etc globally writable 22->56 58 Sample reads /proc/mounts (often used for finding a writable filesystem) 22->58 60 Sample tries to persist itself using cron 22->60 62 Sample tries to persist itself using System V runlevels 22->62 32 mYH.elf systemctl 22->32         started        34 mYH.elf systemctl 22->34         started        64 Sample tries to kill multiple processes (SIGKILL) 26->64 signatures9 process10
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-02 09:29:33 UTC
File Type:
ELF32 Big (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
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: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: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 13a0764c31991c4e1a5ba79e5d2095b33f11df5f5d78232a48e9463a1b7be2d1

(this sample)

  
Delivery method
Distributed via web download

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