MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18f8668a863058aa53e3930741f2e3a8c53e895c34fda7cb34b74feabe908dc9. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18f8668a863058aa53e3930741f2e3a8c53e895c34fda7cb34b74feabe908dc9
SHA3-384 hash: c8f023d5d459025392aa98e54a62eddf659b5c3825b41c1ed4de3bb6a27bbd0bc7815da15b2d6cf9e3b461950f8d8572
SHA1 hash: cb3ac657663783707abae564aa19ebb985b2d271
MD5 hash: c6a3c7d80e59f9395f7b534424a91b28
humanhash: fix-tennis-minnesota-four
File name:S3o.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:201'506 bytes
First seen:2025-12-01 04:21:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:9MygR/fQdiY2xN4aTBMvlZe5cgCHMh493r5M/9pTKF:9MBR/fQA1xN4aTBMvlZe5XaxFu/vTG
TLSH T114144A46EA414B13C0D7137AB6AF424A333297A493DB73069D286FB43BC379E0E67645
telfhash t1cf3110b2973152266a61dd14ddec97b2162dc7071288fe33df35849c141a49ee53bc1f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 4ca0d670752b6ef68b9dc0af8001458973a7cd7bc990ffae6d55907b89aca83c
File size (compressed) :73'256 bytes
File size (de-compressed) :201'506 bytes
Format:linux/arm
Packed file: 4ca0d670752b6ef68b9dc0af8001458973a7cd7bc990ffae6d55907b89aca83c

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Runs as daemon
DNS request
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/18f8668a863058aa53e3930741f2e3a8c53e895c34fda7cb34b74feabe908dc9
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/2817a0e0-db18-4f37-be6d-71da29f178c3
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1823305
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823305 Sample: S3o.arm7.elf Startdate: 01/12/2025 Architecture: LINUX Score: 68 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->28 30 3 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Yara detected Mirai 2->36 38 Connects to many ports of the same IP (likely port scanning) 2->38 8 S3o.arm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 S3o.arm7.elf 8->16         started        18 S3o.arm7.elf 8->18         started        20 S3o.arm7.elf 8->20         started        process6 22 S3o.arm7.elf 16->22         started        24 S3o.arm7.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/18f8668a863058aa53e3930741f2e3a8c53e895c34fda7cb34b74feabe908dc9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/18f8668a863058aa53e3930741f2e3a8c53e895c34fda7cb34b74feabe908dc9/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dd4gncuggbmkuu7dsmdud4xdvdct5ck4gt62pszuw5h6vpuqrxeq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery
Link:
https://tria.ge/reports/251201-ezbxmaet9b/
Behaviour
Reads runtime system information
Writes file to tmp directory
Enumerates running processes
Malware Config
C2 Extraction:
vserge42.bounceme.net
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/820af4aa-d8df-4e25-8f1a-99d9fed0b86f
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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
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 4ca0d670752b6ef68b9dc0af8001458973a7cd7bc990ffae6d55907b89aca83c

Mirai

elf 18f8668a863058aa53e3930741f2e3a8c53e895c34fda7cb34b74feabe908dc9

(this sample)

  
Dropped by
SHA256 4ca0d670752b6ef68b9dc0af8001458973a7cd7bc990ffae6d55907b89aca83c
  
URLhaus
https://urlhaus.abuse.ch/url/3717853/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 b65a314839f22a973eef502def6d84ec

Comments