MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef5d274ea8c4c2f1c105cf400c935359187fc435ff6874daa6792e18b080a1be. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef5d274ea8c4c2f1c105cf400c935359187fc435ff6874daa6792e18b080a1be
SHA3-384 hash: fa6d16561844c2c27d7b2d498a51ebf9b1c55454b2c5f41b085615e0b9056a1801e6e3107d8500b3186af1b6f8515c63
SHA1 hash: f85b52e8f64b2d073a038c3eb2f8dbfb60150668
MD5 hash: c65b4b9ee13f29eb2b10b0b218b4d0f6
humanhash: mars-thirteen-pip-single
File name:bot.armv6l
Download: download sample
Signature Mirai
Create hunting rule
File size:77'412 bytes
First seen:2026-05-12 18:23:36 UTC
Last seen:2026-05-13 16:37:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:yjoSrNjlUZa9ayN87002+iSFVj1LwiNLtCOr+0DoISa7:w0yaVgFvc1ki5tSxISa7
TLSH T198730992FE81C941C5D529BBFA6F41CC338307ACC3DE72029E11AB3566DF55A4A7AE01
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 :
2
# of downloads :
52
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.DDoS.2637.1393.28686.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6a03705811d0143726899fc8/reports/7de252fa-bc8f-4968-9474-4a8e059dd170/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ef5d274ea8c4c2f1c105cf400c935359187fc435ff6874daa6792e18b080a1be
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-05-12T16:35:00Z UTC
Last seen:
2026-05-12T17:50:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ef5d274ea8c4c2f1c105cf400c935359187fc435ff6874daa6792e18b080a1be/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1c6c26da-0f80-406b-8af4-324390f5913c
Behavior Graph:
Download SVG
%3 guuid=553c64cf-1a00-0000-725a-10bbb70c0000 pid=3255 /usr/bin/sudo guuid=90045ed1-1a00-0000-725a-10bbbc0c0000 pid=3260 /tmp/sample.bin guuid=553c64cf-1a00-0000-725a-10bbb70c0000 pid=3255->guuid=90045ed1-1a00-0000-725a-10bbbc0c0000 pid=3260 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ff6a1894-ac96-4dd5-80cb-b86b32ee4e20
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1912449
Signature
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Sample deletes itself
Sample tries to kill a massive number of system processes
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
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1912449 Sample: bot.armv6l.elf Startdate: 12/05/2026 Architecture: LINUX Score: 96 96 faggotcnc.duckdns.org 2->96 98 faggotcnc.duckdns.org 176.65.139.112, 60418, 60420, 60422 PALTEL-ASPALTELAutonomousSystemPS Germany 2->98 100 3 other IPs or domains 2->100 102 Suricata IDS alerts for network traffic 2->102 104 Detected Mirai 2->104 13 bot.armv6l.elf 2->13         started        15 systemd sh 2->15         started        17 systemd snapd-env-generator 2->17         started        19 6 other processes 2->19 signatures3 106 Uses dynamic DNS services 96->106 process4 process5 21 bot.armv6l.elf 13->21         started        23 bot.armv6l.elf 13->23         started        25 sh 15->25         started        process6 27 bot.armv6l.elf 21->27         started        file7 92 /etc/rc.local, ASCII 27->92 dropped 94 /etc/init.d/system048, POSIX 27->94 dropped 116 Sample tries to kill a massive number of system processes 27->116 118 Sample tries to kill multiple processes (SIGKILL) 27->118 120 Sample tries to set files in /etc globally writable 27->120 122 3 other signatures 27->122 31 bot.armv6l.elf sh 27->31         started        33 bot.armv6l.elf sh 27->33         started        35 bot.armv6l.elf sh 27->35         started        37 5 other processes 27->37 signatures8 process9 process10 39 sh crontab 31->39         started        43 sh 31->43         started        45 sh crontab 33->45         started        47 sh 33->47         started        49 sh update-rc.d 35->49         started        51 sh systemctl 37->51         started        53 sh system048 37->53         started        55 sh systemctl 37->55         started        57 sh systemctl 37->57         started        file11 88 /var/spool/cron/crontabs/tmp.w5vAaA, ASCII 39->88 dropped 108 Sample tries to persist itself using cron 39->108 110 Executes the "crontab" command typically for achieving persistence 39->110 59 sh crontab 43->59         started        62 sh grep 43->62         started        90 /var/spool/cron/crontabs/tmp.AqhVbW, ASCII 45->90 dropped 64 sh crontab 47->64         started        66 sh grep 47->66         started        112 Sample tries to persist itself using System V runlevels 49->112 68 update-rc.d systemctl 49->68         started        70 systemctl systemd-sysv-install 51->70         started        72 system048 53->72         started        signatures12 process13 signatures14 114 Executes the "crontab" command typically for achieving persistence 59->114 74 systemd-sysv-install update-rc.d 70->74         started        76 systemd-sysv-install update-rc.d 70->76         started        78 systemd-sysv-install getopt 70->78         started        80 system048 curl 72->80         started        process15 process16 82 update-rc.d systemctl 74->82         started        84 update-rc.d systemctl 76->84         started        86 system048 wget 80->86         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef5d274ea8c4c2f1c105cf400c935359187fc435ff6874daa6792e18b080a1be
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef5d274ea8c4c2f1c105cf400c935359187fc435ff6874daa6792e18b080a1be/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-05-12 18:24:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55osotviytbpdqifz5aaze2tlemh7rbv75uhjwvgpexbrmeaug7a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm credential_access discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260512-w18rescs7q/
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Executes dropped EXE
Unexpected DNS network traffic destination
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef5d274ea8c4c2f1c105cf400c935359187fc435ff6874daa6792e18b080a1be

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: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 ef5d274ea8c4c2f1c105cf400c935359187fc435ff6874daa6792e18b080a1be

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3844830/
  
Delivery method
Distributed via web download

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