MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3815a27cd85a3d6bc0f097c6fc81b24d0b1556f7dcb33ee9582ffcc09631ff8. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3815a27cd85a3d6bc0f097c6fc81b24d0b1556f7dcb33ee9582ffcc09631ff8
SHA3-384 hash: ccbdf65d970a65d3856a94f6edd2dda9d02bfe5396e86e91fff350f8550dbe4d27dea51a21c87c317141b58f1165ace6
SHA1 hash: be2601f6e29ea2b841fc1baabc8d9a3f4d167ea4
MD5 hash: 63a6296a098b90bf44c6501188daa62b
humanhash: illinois-hot-december-oven
File name:S3o.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:45'464 bytes
First seen:2025-12-01 05:01:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:bI21viALV2n0Z4SiS/EcdafuZMJtSSEVS8/DHr6JKVz7vhQYFHJdnbcuyD7UHQRP:TskmfoMJgSEVlHr6kx7prlnouy8HyP
TLSH T1D613F1B7C2DFFA05CC0D50B882CD6A192755706AE3949E527E80BA37C89CF3563752B2
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) :45'464 bytes
File size (de-compressed) :100'660 bytes
Format:linux/i386
Unpacked file: 69088cec7642a50000fbde1039ac7e78f3bbf2c7b8db69e4ce86fd12bbce9479

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

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:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/692d2123d0d5e7288b5229a1/reports/66680b18-940b-4032-af7a-d0ebf8b40cd5/overview
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
Full report:
https://elfdigest.com/brief/a3815a27cd85a3d6bc0f097c6fc81b24d0b1556f7dcb33ee9582ffcc09631ff8
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5587172e-c19c-4b34-b5c0-69fe16c53ac8
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1823328
Signature
Connects to many ports of the same IP (likely port scanning)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823328 Sample: S3o.x86.elf Startdate: 01/12/2025 Architecture: LINUX Score: 72 22 vserge42.bounceme.net 41.216.189.185, 25618, 46786, 46790 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 2 other signatures 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       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a3815a27cd85a3d6bc0f097c6fc81b24d0b1556f7dcb33ee9582ffcc09631ff8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a3815a27cd85a3d6bc0f097c6fc81b24d0b1556f7dcb33ee9582ffcc09631ff8/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uoavuj6nqwr5npapbf6g7sa3etilcvlppxfth3uvql74ycldd74a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery linux upx
Link:
https://tria.ge/reports/251201-fnqgbaspf1/
Behaviour
Reads runtime system information
Writes file to tmp directory
Enumerates running processes
Mirai
Mirai family
Malware Config
C2 Extraction:
vserge42.bounceme.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/cd5ae60a-46f1-4840-9d0b-e8cac29ffca8
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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 a3815a27cd85a3d6bc0f097c6fc81b24d0b1556f7dcb33ee9582ffcc09631ff8

(this sample)

Mirai

elf 69088cec7642a50000fbde1039ac7e78f3bbf2c7b8db69e4ce86fd12bbce9479

  
URLhaus
https://urlhaus.abuse.ch/url/3717852/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 69088cec7642a50000fbde1039ac7e78f3bbf2c7b8db69e4ce86fd12bbce9479
  
Dropping
MD5 dca0dece6f89f3bbbd4d7bec8e82aff2

Comments