MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f42a960c0a6d49d775374265809840f3f3a234e7494352c2d8849191df802e3a. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: f42a960c0a6d49d775374265809840f3f3a234e7494352c2d8849191df802e3a
SHA3-384 hash: 95c581065ddc9ab686c0afd4709dd2ca84d6666dc3fc04ca8b27fd85bf02038a0f91d583a0d5d5da54f63b1e48b4d563
SHA1 hash: 938ef1fe806d69a612c19dd303b16043a9fe75ab
MD5 hash: 8ee0bd38ae611b802db2f90f6d7c8857
humanhash: rugby-solar-blue-blossom
File name:S3o.x86_64
Download: download sample
Signature Mirai
File size:47'940 bytes
First seen:2025-12-01 10:46:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:1tB548w628WWpbLcWgmL01yPFzmiRdWqsGsjmqbW+NVqsSiiOPF6IzzYl3clx05C:HBw62YcW70kFmixqLNVL7zzk3cAC
TLSH T1E3230287E51B956AF03334BB18AAD0C5DCB26CB9522B97B704D5A75F0CDA04F3802723
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
File size (compressed) :47'940 bytes
File size (de-compressed) :110'000 bytes
Format:linux/amd64
Unpacked file: ae98bedb68cd94e049ce089f8fbebca1a593c29ac36b9c0ee66dfd568f086603

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Sends data to a server
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823482 Sample: S3o.x86_64.elf Startdate: 01/12/2025 Architecture: LINUX Score: 68 22 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->22 24 vserge42.bounceme.net 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 8 S3o.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 S3o.x86_64.elf 8->12         started        14 S3o.x86_64.elf 8->14         started        16 S3o.x86_64.elf 8->16         started        process6 18 S3o.x86_64.elf 12->18         started        20 S3o.x86_64.elf 12->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-01 10:47:19 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
vserge42.bounceme.net
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf f42a960c0a6d49d775374265809840f3f3a234e7494352c2d8849191df802e3a

(this sample)

  
Delivery method
Distributed via web download

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