MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f39f997e165331677a7138d0e83db7e48694918801e6c2c6cf8dcef742911cd6. 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: 7


Intelligence 7 IOCs YARA 7 File information Comments

SHA256 hash: f39f997e165331677a7138d0e83db7e48694918801e6c2c6cf8dcef742911cd6
SHA3-384 hash: 554d2aebd33f61973c6d388601a807355b1d412d281e973f244ee49b3c7e968010759acabf1bb912aada457f55e6e86e
SHA1 hash: bfeb3f4f7fad9d56f046bfb9ef44d2834d828783
MD5 hash: e8a5535891169cbcba78b62a4d071d4c
humanhash: neptune-ink-uranus-illinois
File name:FBI.arm5
Download: download sample
Signature Mirai
File size:103'716 bytes
First seen:2026-06-11 14:48:17 UTC
Last seen:2026-06-12 07:29:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:qPuk3gPhUbUl2PgSiFJcwPktjCTiOUOgoOjxHPUTXvHdDo2Rr5hj2ppJu:qxmjN39kiiRxHczv9kG5hj2ppJu
TLSH T11AA33A16BD418F03C2C625F7BB9E438837266779E6EF3202ED25AF6137864D70E2A550
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 :
5
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-06-11T23:43:00Z UTC
Last seen:
2026-06-12T20:15:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=552cf937-1900-0000-018e-61ce0b0b0000 pid=2827 /usr/bin/sudo guuid=a34d113a-1900-0000-018e-61ce110b0000 pid=2833 /tmp/sample.bin guuid=552cf937-1900-0000-018e-61ce0b0b0000 pid=2827->guuid=a34d113a-1900-0000-018e-61ce110b0000 pid=2833 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
56 / 100
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1926686 Sample: FBI.arm5.elf Startdate: 11/06/2026 Architecture: LINUX Score: 56 30 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->30 32 150.40.127.154, 39582, 39584, 39586 MAXKOHR Netherlands 2->32 34 daisy.ubuntu.com 91.189.95.56, 443, 50488 CANONICAL-ASGB United States 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 10 FBI.arm5.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 FBI.arm5.elf 10->16         started        18 FBI.arm5.elf 10->18         started        process6 20 FBI.arm5.elf 16->20         started        22 FBI.arm5.elf 16->22         started        process7 24 FBI.arm5.elf 20->24         started        26 FBI.arm5.elf 22->26         started        process8 28 FBI.arm5.elf 24->28         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-11 14:49:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:NET
Author:malware-lu
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 f39f997e165331677a7138d0e83db7e48694918801e6c2c6cf8dcef742911cd6

(this sample)

  
Delivery method
Distributed via web download

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