MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f3ce77a4a445fd79e1a5f3cf990280ea5985c4af9c48a4365f877356c3fcd93. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7f3ce77a4a445fd79e1a5f3cf990280ea5985c4af9c48a4365f877356c3fcd93
SHA3-384 hash: 1aa66eaa3f0b816b47d7f20917221a244e5568b58394136b7c76f747f56e2179c9cdd076e0ac2951d4e5d3bf5fe15122
SHA1 hash: d72a2f06fcea589c1b78b088d4b6a128ec40d6b2
MD5 hash: 5ceeca742e2b38a1e2ff04b2bb475bd5
humanhash: hamper-oscar-three-spring
File name:Leyn.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:211'512 bytes
First seen:2026-01-18 18:51:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:lbybJFKDUoTPUn7VrVTzFKzOo375t4aR8mkOii7le:lbyN3s1t4s8nYg
TLSH T10B241946BC919B56C6D522BBFB5E42CD332A17B8D2EE3103DD255F20378A85B0E3B641
telfhash t13d4165a1eba40ffc77e481d482bfa42665f931ca4f012552cd19675f6cc2cc1b62e827
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 :
46
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/7e4bfc46-ba30-4b6c-bcc1-513e0e093588/
Detection(s):
Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ad3dd0f3-70cb-4010-931c-8c2e6ef78dae
Behavior Graph:
Download SVG
%3 guuid=ff31faa7-1900-0000-9857-6b854d090000 pid=2381 /usr/bin/sudo guuid=7423eea9-1900-0000-9857-6b8550090000 pid=2384 /tmp/sample.bin guuid=ff31faa7-1900-0000-9857-6b854d090000 pid=2381->guuid=7423eea9-1900-0000-9857-6b8550090000 pid=2384 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc53246c-e3f2-45bd-95f0-c1a4dac0b76b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1852924
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852924 Sample: Leyn.arm.elf Startdate: 18/01/2026 Architecture: LINUX Score: 92 59 193.32.162.76 2->59 61 88.96.183.15 ZEN-ASZenInternet-UKGB United Kingdom 2->61 63 99 other IPs or domains 2->63 75 Suricata IDS alerts for network traffic 2->75 77 Antivirus / Scanner detection for submitted sample 2->77 79 Detected Mirai 2->79 81 2 other signatures 2->81 10 Leyn.arm.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        signatures3 process4 process5 16 Leyn.arm.elf 10->16         started        20 Leyn.arm.elf sh 10->20         started        file6 55 /etc/init.d/update, POSIX 16->55 dropped 65 Drops files in suspicious directories 16->65 22 Leyn.arm.elf sh 16->22         started        24 Leyn.arm.elf sh 16->24         started        26 Leyn.arm.elf sh 16->26         started        30 6 other processes 16->30 28 sh ps 20->28         started        signatures7 process8 process9 32 sh crontab 22->32         started        36 sh 22->36         started        38 sh chmod 24->38         started        40 sh ln 26->40         started        42 sh update-rc.d 30->42         started        44 sh systemctl 30->44         started        46 sh systemctl 30->46         started        48 sh cp 30->48         started        file10 57 /var/spool/cron/crontabs/tmp.2LE1uc, data 32->57 dropped 67 Sample tries to persist itself using cron 32->67 69 Executes the "crontab" command typically for achieving persistence 32->69 50 sh crontab 36->50         started        71 Sample tries to set files in /etc globally writable 38->71 53 update-rc.d systemctl 42->53         started        signatures11 process12 signatures13 73 Executes the "crontab" command typically for achieving persistence 50->73
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7f3ce77a4a445fd79e1a5f3cf990280ea5985c4af9c48a4365f877356c3fcd93
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7f3ce77a4a445fd79e1a5f3cf990280ea5985c4af9c48a4365f877356c3fcd93/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 18:19:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p46oo6skirp5phq2l46ptebib2szqxck7hciuq3f7b3tk3b7zwjq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260118-xhpfhadv8h/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a3607fce-30b6-4dc1-8a57-0e26af675652
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:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 7f3ce77a4a445fd79e1a5f3cf990280ea5985c4af9c48a4365f877356c3fcd93

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3759857/
  
Delivery method
Distributed via web download

Comments