MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13b7ca871f8ccdadcd5664f7434de18ea36bbff93a551f1061e215bbf7104947. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash: 13b7ca871f8ccdadcd5664f7434de18ea36bbff93a551f1061e215bbf7104947
SHA3-384 hash: 143daccbaf6b59a1c4b7807fbd6b6ac5dc65033353abfdcc435ff359d8f43be9f6079785f502c6586c829c7070f7208b
SHA1 hash: 0706983caea00c2063d86bc7781dc16147fa016b
MD5 hash: e6ba9070db21c7d9efc673c01e28adf2
humanhash: bravo-jersey-video-shade
File name:data_x86_64
Download: download sample
Signature Mirai
File size:420'096 bytes
First seen:2026-06-24 12:51:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:2cRc/IklhdD0xINttedt7jAcuHii1nLOdmdwUJh:/HUgxI1QfAc8ii1duUJh
TLSH T17F945A52F1A228FCD952C931825E6123E63874594322ADFB27C8EF753D16AD06F3EB50
telfhash t15eb14a71454a64b8e552e4e4cfb1f736ebb643e4d3846931823dfc70ee12ba45e62807
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 :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Opens a port
Creating a file in the %temp% directory
Changes access rights for a written file
Creating a file
Changes access rights for a file
Connection attempt
Runs as daemon
Sets a written file as executable
Changes owner for a written file
Kills processes
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash expand lolbin
Status:
terminated
Behavior Graph:
%3 guuid=858e3f79-1900-0000-e266-c12832140000 pid=5170 /usr/bin/sudo guuid=1b8dfd7b-1900-0000-e266-c12833140000 pid=5171 /tmp/sample.bin net guuid=858e3f79-1900-0000-e266-c12832140000 pid=5170->guuid=1b8dfd7b-1900-0000-e266-c12833140000 pid=5171 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1b8dfd7b-1900-0000-e266-c12833140000 pid=5171->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=3b009b7c-1900-0000-e266-c12834140000 pid=5172 /tmp/sample.bin zombie guuid=1b8dfd7b-1900-0000-e266-c12833140000 pid=5171->guuid=3b009b7c-1900-0000-e266-c12834140000 pid=5172 clone guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173 /tmp/sample.bin net send-data write-config write-file zombie guuid=3b009b7c-1900-0000-e266-c12834140000 pid=5172->guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173 clone guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 198B 1cc2f53a-48d9-56e5-b7b8-c5e2ef72e5a8 46.247.108.74:8082 guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173->1cc2f53a-48d9-56e5-b7b8-c5e2ef72e5a8 send: 119B b4bf20d4-f7c8-5c24-8830-c23364537aa4 8.8.4.4:53 guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173->b4bf20d4-f7c8-5c24-8830-c23364537aa4 send: 198B 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173->54d92a3b-1447-55af-b534-047898c60c8d send: 198B guuid=98f89b81-1900-0000-e266-c12836140000 pid=5174 /tmp/sample.bin net write-file guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173->guuid=98f89b81-1900-0000-e266-c12836140000 pid=5174 clone guuid=9a0ca981-1900-0000-e266-c12837140000 pid=5175 /tmp/sample.bin delete-file net send-data guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173->guuid=9a0ca981-1900-0000-e266-c12837140000 pid=5175 clone guuid=b86a2d82-1900-0000-e266-c12838140000 pid=5176 /tmp/sample.bin guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173->guuid=b86a2d82-1900-0000-e266-c12838140000 pid=5176 clone guuid=0a043761-2000-0000-e266-c12851140000 pid=5201 /tmp/sample.bin net send-data guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173->guuid=0a043761-2000-0000-e266-c12851140000 pid=5201 clone guuid=f3ebc939-2700-0000-e266-c12853140000 pid=5203 /tmp/sample.bin net send-data guuid=c01eb17c-1900-0000-e266-c12835140000 pid=5173->guuid=f3ebc939-2700-0000-e266-c12853140000 pid=5203 clone 24dfe4cf-f936-5f15-9f37-19347cbf3522 127.0.0.1:30566 guuid=98f89b81-1900-0000-e266-c12836140000 pid=5174->24dfe4cf-f936-5f15-9f37-19347cbf3522 con guuid=9a0ca981-1900-0000-e266-c12837140000 pid=5175->24dfe4cf-f936-5f15-9f37-19347cbf3522 send: 385B d3c5bb44-4a4b-5582-b8e9-c1d616172ee6 171.225.223.29:443 guuid=0a043761-2000-0000-e266-c12851140000 pid=5201->d3c5bb44-4a4b-5582-b8e9-c1d616172ee6 send: 426088B guuid=fb0e5561-2000-0000-e266-c12852140000 pid=5202 /tmp/sample.bin guuid=0a043761-2000-0000-e266-c12851140000 pid=5201->guuid=fb0e5561-2000-0000-e266-c12852140000 pid=5202 clone guuid=f3ebc939-2700-0000-e266-c12853140000 pid=5203->d3c5bb44-4a4b-5582-b8e9-c1d616172ee6 send: 2261544B guuid=d28eea39-2700-0000-e266-c12854140000 pid=5204 /tmp/sample.bin guuid=f3ebc939-2700-0000-e266-c12853140000 pid=5203->guuid=d28eea39-2700-0000-e266-c12854140000 pid=5204 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Drops files in suspicious directories
Drops invisible ELF files
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1933148 Sample: data_x86_64.elf Startdate: 24/06/2026 Architecture: LINUX Score: 96 43 171.225.223.29 VIETEL-AS-APViettelGroupVN Vietnam 2->43 45 109.202.202.202 INIT7CH Switzerland 2->45 47 4 other IPs or domains 2->47 49 Antivirus detection for dropped file 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 10 data_x86_64.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 data_x86_64.elf 10->16         started        process6 18 data_x86_64.elf 16->18         started        file7 35 /var/lib/.pgSKk4mbPghmb, ELF 18->35 dropped 37 /root/.bashrc, ASCII 18->37 dropped 39 /etc/rc.local, ASCII 18->39 dropped 41 6 other malicious files 18->41 dropped 55 Sample tries to persist itself using /etc/profile 18->55 57 Drops invisible ELF files 18->57 59 Drops files in suspicious directories 18->59 61 4 other signatures 18->61 22 data_x86_64.elf 18->22         started        25 data_x86_64.elf 18->25         started        27 data_x86_64.elf 18->27         started        29 2 other processes 18->29 signatures8 process9 signatures10 63 Sample reads /proc/mounts (often used for finding a writable filesystem) 22->63 65 Deletes system log files 22->65 31 data_x86_64.elf 25->31         started        33 data_x86_64.elf 27->33         started        process11
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-24 12:53:59 UTC
File Type:
ELF64 Little (Exe)
AV detection:
5 of 36 (13.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Deletes Audit logs
Deletes system logs
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_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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 13b7ca871f8ccdadcd5664f7434de18ea36bbff93a551f1061e215bbf7104947

(this sample)

  
Delivery method
Distributed via web download

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