MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79efee824119da93ba76189dcf485267dfc53c0e331810cf87d7f4f498c967dd. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments

SHA256 hash: 79efee824119da93ba76189dcf485267dfc53c0e331810cf87d7f4f498c967dd
SHA3-384 hash: ba2b4c9ba444b2d7bfe2c950a300f6b94219888f2cd080ea6f5bd557aa50654f14b67d2de52f4b9257f959384a7423ad
SHA1 hash: 68719172c3e2ad545ef25e0363b509ddae5ea312
MD5 hash: d1b8646ab581f173bf0a7899ba4adc2d
humanhash: venus-xray-tennis-robin
File name:Leyn.arm7
Download: download sample
Signature Mirai
File size:287'972 bytes
First seen:2026-01-18 18:50:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:SUh3MO++tfpmCMa7pML6qoI1ehg2Z9D0MBulvanpM/RdAm/2XNBdooU:/h3My3mCMa7e6qoIKd9D0M0Mny/Mm/qK
TLSH T1E7541986EA418F13C4D627BAFAAF414533339764D3EBB20699186FB4378775E0E36601
telfhash t1b85162f0576f91265699dbcc89c9bb6e051dd6022247ef33ff2180bca41549de818c8f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
18
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
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T15:57:00Z UTC
Last seen:
2026-01-18T15:58:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.Lotoor.bh HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=efacdd84-1a00-0000-dc4a-0ec5df090000 pid=2527 /usr/bin/sudo guuid=d28b2a87-1a00-0000-dc4a-0ec5e6090000 pid=2534 /tmp/sample.bin guuid=efacdd84-1a00-0000-dc4a-0ec5df090000 pid=2527->guuid=d28b2a87-1a00-0000-dc4a-0ec5e6090000 pid=2534 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
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
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852932 Sample: Leyn.arm7.elf Startdate: 18/01/2026 Architecture: LINUX Score: 92 59 193.32.162.76 2->59 61 45.208.206.177 zain-asGH Ghana 2->61 63 99 other IPs or domains 2->63 75 Suricata IDS alerts for network traffic 2->75 77 Detected Mirai 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 2 other signatures 2->81 10 Leyn.arm7.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.arm7.elf 10->16         started        20 Leyn.arm7.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.arm7.elf sh 16->22         started        24 Leyn.arm7.elf sh 16->24         started        26 Leyn.arm7.elf sh 16->26         started        30 7 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 2 other processes 30->48 file10 57 /var/spool/cron/crontabs/tmp.Qxa3Ib, 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
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-18 18:18:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai antivm defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Checks CPU configuration
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
File and Directory Permissions Modification
Contacts a large (75773) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:dsc
Author:Aaron DeVera
Description:Discord domains
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 79efee824119da93ba76189dcf485267dfc53c0e331810cf87d7f4f498c967dd

(this sample)

  
Delivery method
Distributed via web download

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