MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4c662015b1a6698af83ffa3b2f90562d673299e8b7516c8aa4a0a145b6173ef. 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 5 File information Comments

SHA256 hash: a4c662015b1a6698af83ffa3b2f90562d673299e8b7516c8aa4a0a145b6173ef
SHA3-384 hash: ed51711ef7ceac562906b3b1e0b4be0d958c7be265fda3c38fa62f42c2f66f07e1a8d4ba00ec67bc388b10bf12629e09
SHA1 hash: bc6f44f793af74306b5c00ca034e1be655dd55a2
MD5 hash: b5487ffbb207b285e6014d12df7b1b6f
humanhash: sad-helium-delta-hamper
File name:Orbt.m68k
Download: download sample
Signature Mirai
File size:189'856 bytes
First seen:2025-10-28 05:36:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:pG2B+LwVQHrRn/ta5wmphLWn2y9uYNtPBY3N2LAzOaiBcfVKjbiWL9vB6tY4:c2B+iAR//12y9PNtPKN7JiBc0L9v2Y4
TLSH T1B70439CBF800DDBDF80AE7764C534906B130B7B254924A377257796BED3A0A84927F86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
152
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade obfuscated remote
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-28T03:19:00Z UTC
Last seen:
2025-10-28T04:22:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=bf799260-1900-0000-06e0-2759f80f0000 pid=4088 /usr/bin/sudo guuid=2ee86e63-1900-0000-06e0-275901100000 pid=4097 /tmp/sample.bin guuid=bf799260-1900-0000-06e0-2759f80f0000 pid=4088->guuid=2ee86e63-1900-0000-06e0-275901100000 pid=4097 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1802903 Sample: Orbt.m68k.elf Startdate: 28/10/2025 Architecture: LINUX Score: 76 26 mirailoversddos.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 5 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Gafgyt 2->38 8 Orbt.m68k.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 40 Uses dynamic DNS services 26->40 process4 process5 16 Orbt.m68k.elf 8->16         started        18 Orbt.m68k.elf 8->18         started        20 Orbt.m68k.elf 8->20         started        process6 22 Orbt.m68k.elf 16->22         started        24 Orbt.m68k.elf 16->24         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-10-28 05:37:48 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-6981989-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
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 a4c662015b1a6698af83ffa3b2f90562d673299e8b7516c8aa4a0a145b6173ef

(this sample)

  
Delivery method
Distributed via web download

Comments