MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbb4882273f777b3191990c58f8fcf6fbc9782120f9a0c47b9ee4f9fca8b7d71. 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 6 File information Comments

SHA256 hash: fbb4882273f777b3191990c58f8fcf6fbc9782120f9a0c47b9ee4f9fca8b7d71
SHA3-384 hash: 6de28c6d18b5f20cec6eb2431cc63e0ba8598d8b7bce8ff1baa1e8ee7ddcc68cde8233d93991836ae8089b5713862c96
SHA1 hash: b9607e9857539383c6268aacc0d16a323de8d119
MD5 hash: b80986a909f1857e5c9977248f332f93
humanhash: orange-william-ink-skylark
File name:arm7
Download: download sample
Signature Mirai
File size:116'272 bytes
First seen:2026-06-01 07:44:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:CzhDhgbIzY3flw/3wEKU1UGj4paNfrI61QKweATiQGo:UhDysgtExn1UNpaNfrI61PwUq
TLSH T194B3184AF8829B11D5D612BEFE4E118E332367A8E3EE7112CD245F2033CA65B0E7B511
telfhash t1d7d09771fb60c48e6b8b04b3839ba30003acb50f2e10a06a60683b374110a00b007413
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
DNS request
Runs as daemon
Receives data from a server
Creating a file
Connection attempt
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin rust
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Mirai.lt
Status:
terminated
Behavior Graph:
%3 guuid=859ce166-1800-0000-4702-31efc10c0000 pid=3265 /usr/bin/sudo guuid=7fcfa569-1800-0000-4702-31efc80c0000 pid=3272 /tmp/sample.bin guuid=859ce166-1800-0000-4702-31efc10c0000 pid=3265->guuid=7fcfa569-1800-0000-4702-31efc80c0000 pid=3272 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: 1920905 Sample: arm7.elf Startdate: 01/06/2026 Architecture: LINUX Score: 56 25 163.237.68.203, 23 YOUR-ORG-INC-NA-YOURORGINCUS United States 2->25 27 65.107.161.78, 23 XO-AS15-VerizonBusinessUS United States 2->27 29 99 other IPs or domains 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 9 arm7.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 arm7.elf 9->15         started        17 arm7.elf 9->17         started        process6 19 arm7.elf 15->19         started        21 arm7.elf 15->21         started        process7 23 arm7.elf 19->23         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-01 07:45:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Changes its process name
Contacts a large (29778) amount of remote hosts
Creates a large amount of network flows
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
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/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:woof_mirai_variant
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information


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

Web download

Mirai

elf fbb4882273f777b3191990c58f8fcf6fbc9782120f9a0c47b9ee4f9fca8b7d71

(this sample)

  
Delivery method
Distributed via web download

Comments