MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 623fc73d98e3105411b49ae20573da2991faa73f5586c0dd0255f48d85d596ea. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 623fc73d98e3105411b49ae20573da2991faa73f5586c0dd0255f48d85d596ea
SHA3-384 hash: a20e49966f26c1942aec1438d607df478aba3501140f62f6e0ad33216dfc0807a83109cbf1e8de260f1aabc09b81729b
SHA1 hash: aa5c40755075b48f197d4a723d8ee4a70797efc1
MD5 hash: fc67be64b3095af91b6476bd3ba24da4
humanhash: neptune-hamper-eleven-alanine
File name:arm
Download: download sample
Signature Mirai
File size:58'680 bytes
First seen:2026-07-08 19:07:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:i4X0p1BBqnFxN2NusRaysCYzgZQ6nFdQX+SOJbqR9tfS/O7UHtCE62/DAWUWYb6R:qp1BFgsR8CYz0rdQOGnfhDLy/sw
TLSH T188431881B8819A13C5D4137AF5AE458D3B3563E8E2CF7217CE224F203AC692F0C6BE55
telfhash t1d331c2a69e180fcc67f4c740458a16a8bdec35b85714b63ddf2eaf5b11534d0325a43b
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 908ba87316fb65dd8a155177d53343bd19a2a0c99ff5d92a18c785a2746ff8ec
File size (compressed) :22'608 bytes
File size (de-compressed) :58'680 bytes
Format:linux/arm
Packed file: 908ba87316fb65dd8a155177d53343bd19a2a0c99ff5d92a18c785a2746ff8ec

Intelligence


File Origin
# of uploads :
1
# of downloads :
82
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite dropper mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
21
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-08T15:20:00Z UTC
Last seen:
2026-07-08T16:59:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=aad3b412-2100-0000-5696-f915cf0b0000 pid=3023 /usr/bin/sudo guuid=c6b0ca15-2100-0000-5696-f915d40b0000 pid=3028 /tmp/sample.bin guuid=aad3b412-2100-0000-5696-f915cf0b0000 pid=3023->guuid=c6b0ca15-2100-0000-5696-f915d40b0000 pid=3028 execve
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-08 19:08:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_af48ca6a
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 623fc73d98e3105411b49ae20573da2991faa73f5586c0dd0255f48d85d596ea

(this sample)

  
Delivery method
Distributed via web download

Comments