MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3671912e920c0192b13ce4823deb94d0279a6811ceaa5a298ac2449ba4b114f. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: f3671912e920c0192b13ce4823deb94d0279a6811ceaa5a298ac2449ba4b114f
SHA3-384 hash: 4938fd309b54cd5342fc60a12ccdc9c978584dd453fc29be94ca69acd2a0eb533a0fc917a98999f20325f8af3b4caffe
SHA1 hash: dddf5515b44eada6ba072a36eb5736fcd160ca0f
MD5 hash: 411b9be9f096fd277c1fb432f05ec662
humanhash: mobile-quiet-pasta-winner
File name:S3o.x86
Download: download sample
Signature Mirai
File size:45'448 bytes
First seen:2025-11-27 09:47:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:zpf/8KshvtflEvvMYx/jXZTTRFu84pDrBeqX0lBjfX1Wl6wcETWqOoenbcuyD7Ue:d/yFfKMs/jNTRUpDrBBX0lBBWMmOXnoR
TLSH T11913F24285438B46E0CFC475B8FE390A9964FA9F9F0745F316F434718805FB72A246D1
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) :45'448 bytes
File size (de-compressed) :100'660 bytes
Format:linux/i386
Unpacked file: db088377ad1ede93da796c4011696c4098a5d1865a7d50e84f838a4d14901a97

Intelligence


File Origin
# of uploads :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
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
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-27T07:06:00Z UTC
Last seen:
2025-11-27T17:11:00Z UTC
Hits:
~100
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: 1821643 Sample: S3o.x86.elf Startdate: 27/11/2025 Architecture: LINUX Score: 68 22 vserge42.bounceme.net 41.216.189.185, 12121, 40204, 40214 AS40676US South Africa 2->22 24 daisy.ubuntu.com 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Sample is packed with UPX 2->32 8 S3o.x86.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 S3o.x86.elf 8->12         started        14 S3o.x86.elf 8->14         started        16 S3o.x86.elf 8->16         started        process6 18 S3o.x86.elf 12->18         started        20 S3o.x86.elf 12->20         started       
Gathering data
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
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 f3671912e920c0192b13ce4823deb94d0279a6811ceaa5a298ac2449ba4b114f

(this sample)

Comments