MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3639e05ddc7cc0a5d0ebb36a683c1c6dec5ddcdd835fbbd4ad0da19e7495402. 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 8 File information Comments

SHA256 hash: f3639e05ddc7cc0a5d0ebb36a683c1c6dec5ddcdd835fbbd4ad0da19e7495402
SHA3-384 hash: e4d4b2230165101640c26b6e15b37d812c2758474d228ebf9de1f216525ba5353f9cbe5bae049d8f458919ca22b85da7
SHA1 hash: 64e2e7e281abdd22dccd8ff0fb5aebf741da44e0
MD5 hash: 4e793093528fbbda212561d4def0249f
humanhash: sweet-yankee-nuts-october
File name:Orbt.arc
Download: download sample
Signature Mirai
File size:149'008 bytes
First seen:2026-01-21 07:56:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:6xOYDXxlXfoBKSKjYKrvBZVgDCwVWKxA81qQ:Pw3ojKcoZZwCwVWK11qQ
TLSH T112E3BEB3B34F14A0C8220AF40BCF675D2A2325115E6B9BE76C5E363F5A335DA59063E1
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 :
65
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-21T05:03:00Z UTC
Last seen:
2026-01-21T08:44:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw
Status:
terminated
Behavior Graph:
%3 guuid=fd7944e4-1600-0000-da4d-a333b80c0000 pid=3256 /usr/bin/sudo guuid=c38d68e6-1600-0000-da4d-a333bd0c0000 pid=3261 /tmp/sample.bin guuid=fd7944e4-1600-0000-da4d-a333b80c0000 pid=3256->guuid=c38d68e6-1600-0000-da4d-a333bd0c0000 pid=3261 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-21 07:57:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_Xlogin_Nov24_1
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 f3639e05ddc7cc0a5d0ebb36a683c1c6dec5ddcdd835fbbd4ad0da19e7495402

(this sample)

  
Delivery method
Distributed via web download

Comments