MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ef8848fac533ec93db7276a474fdf0b3ef78b66a9c66d35264bf63cf1fbb04d. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ef8848fac533ec93db7276a474fdf0b3ef78b66a9c66d35264bf63cf1fbb04d
SHA3-384 hash: 03da95e158ff1a1035b08c7c652bf04a57ed68d855e2a4e0117d2c93ee0c0a1d5d97294afc681ee0376fbc23c7246df9
SHA1 hash: 54e0e0d01275409ce0d1506686f8e810a5a7ad0a
MD5 hash: eb57ed84ff874a03a308213b509f09a3
humanhash: uncle-bulldog-beer-friend
File name:data_arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:152'004 bytes
First seen:2026-06-24 14:07:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:GT/Dnqehkb2PTssvNb98BXSauayN+ExrRD7+a2nhfHPy0dDHxg0NBfK:GXnqEkb2PTsaNh8BPExVDqa0hJdD+0NI
TLSH T129E32A1669528B12D5C311BAFF9E914D33132FB8E3EE32129D246F60678B8DB0E77512
telfhash t133f0c020afe51e687fd0146a50e7d913a92c30d947012c92ab6c031fdf971e2f536403
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 :
60
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-31.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
DNS request
Connection attempt
Opens a port
Creating a file in the %temp% directory
Changes access rights for a written file
Sets a written file as executable
Kills processes
Changes access rights for a file
Runs as daemon
Changes owner for a written file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash gcc lolbin rust
Link:
https://www.filescan.io/uploads/6a3be4e090632a45f738a381/reports/755f0b8b-a9f0-42ca-a8a1-a533df700535/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/18dde6ad-ca8f-40f9-8455-282bb6a6b681
Behavior Graph:
Download SVG
%3 guuid=6e41ed66-1900-0000-c8dc-60732f140000 pid=5167 /usr/bin/sudo guuid=fa3a026a-1900-0000-c8dc-607330140000 pid=5168 /tmp/sample.bin guuid=6e41ed66-1900-0000-c8dc-60732f140000 pid=5167->guuid=fa3a026a-1900-0000-c8dc-607330140000 pid=5168 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/76aa5611-3ecf-4177-a3b1-7b4c79bd5e30
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1933224
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1933224 Sample: data_arm6.elf Startdate: 24/06/2026 Architecture: LINUX Score: 100 36 109.202.202.202, 80 INIT7CH Switzerland 2->36 38 46.247.108.74, 33362, 33364, 33366 FLORIANKOLBDE Germany 2->38 40 3 other IPs or domains 2->40 50 Antivirus detection for dropped file 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected Mirai 2->56 9 data_arm6.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 data_arm6.elf 9->15         started        process6 17 data_arm6.elf 15->17         started        file7 28 /var/lib/.jFfBmtHMtJI89, ELF 17->28 dropped 30 /root/.bashrc, ASCII 17->30 dropped 32 /etc/rc.local, ASCII 17->32 dropped 34 6 other malicious files 17->34 dropped 42 Sample tries to persist itself using /etc/profile 17->42 44 Drops invisible ELF files 17->44 46 Drops files in suspicious directories 17->46 48 4 other signatures 17->48 21 data_arm6.elf 17->21         started        24 data_arm6.elf 17->24         started        26 data_arm6.elf 17->26         started        signatures8 process9 signatures10 58 Sample reads /proc/mounts (often used for finding a writable filesystem) 21->58 60 Deletes system log files 21->60
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1ef8848fac533ec93db7276a474fdf0b3ef78b66a9c66d35264bf63cf1fbb04d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ef8848fac533ec93db7276a474fdf0b3ef78b66a9c66d35264bf63cf1fbb04d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-24 14:08:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d34ijd5mkm7mspnxe5veot67bm7ppc3gvhdg2njgjp3dz4p3wbgq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260624-rftpjscx2y/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads CPU attributes
Reads system network configuration
Modifies Bash startup script
Reads process memory
Reads AppArmor ptrace settings
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Reads network interface configuration
Deletes Audit 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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
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 1ef8848fac533ec93db7276a474fdf0b3ef78b66a9c66d35264bf63cf1fbb04d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3866645/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3858999/

Comments