MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b94019781f602f9ade7fad8ee0a2b290410fda0ffccc97fa375cd4e7f0600f75. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b94019781f602f9ade7fad8ee0a2b290410fda0ffccc97fa375cd4e7f0600f75
SHA3-384 hash: eb05858e352f8db8e6a8f6c5e92fcb2252a26d85b394179e7bf6fb56c280936c2760c9090ca76b85aa236c008db95427
SHA1 hash: 76d8e4982a1c18385b531ad28a1cd60568fdf790
MD5 hash: 3d64bfa652d824c02f500bcdc6313a04
humanhash: gee-twelve-single-potato
File name:S3o.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:110'000 bytes
First seen:2025-12-01 04:53:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:emvsrP1O2m3v9yg62bUQ5IuGcLlumTThDygfEKEpMC:emvsgv9yg62bUQqTYTpfZWMC
TLSH T129B34B03B8C29CFDC046C034477FB936D925F0EE2638B29B67F5AE266D0EE600B19955
telfhash t101217bb53dd9319820dba6ba724fede6ca7209150e9672a4de1b2d47cf0bfc44d82045
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b7fa748325fc32394164fdce01e2d903da6678589ef907b39f76467a44f1007c
File size (compressed) :47'940 bytes
File size (de-compressed) :110'000 bytes
Format:linux/amd64
Packed file: b7fa748325fc32394164fdce01e2d903da6678589ef907b39f76467a44f1007c

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
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.9999-14.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-7135954-0
Create hunting rule

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

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

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

Unix.Trojan.Mirai-9441505-0
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
Connection attempt
DNS request
Changes access rights for a written file
Runs as daemon
Receives data from a server
Opens a port
Changes access rights for a file
Sends data to a server
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Link:
https://www.filescan.io/uploads/692d1f72efb205635359a875/reports/0d9b7e85-8438-407d-aba8-589ccb8610e0/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
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/b94019781f602f9ade7fad8ee0a2b290410fda0ffccc97fa375cd4e7f0600f75
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1823318
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1823318 Sample: S3o.x86_64.elf Startdate: 01/12/2025 Architecture: LINUX Score: 72 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected Mirai 2->45 9 S3o.x86_64.elf 2->9         started        11 python3.8 dpkg 2->11         started        process3 process4 13 S3o.x86_64.elf 9->13         started        15 S3o.x86_64.elf 9->15         started        17 S3o.x86_64.elf 9->17         started        process5 19 S3o.x86_64.elf 13->19         started        21 S3o.x86_64.elf 13->21         started        23 S3o.x86_64.elf 15->23         started        process6 25 S3o.x86_64.elf 19->25         started        27 S3o.x86_64.elf 19->27         started        29 S3o.x86_64.elf 19->29         started        31 S3o.x86_64.elf 23->31         started        process7 33 S3o.x86_64.elf 25->33         started        35 S3o.x86_64.elf 27->35         started        37 S3o.x86_64.elf 29->37         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b94019781f602f9ade7fad8ee0a2b290410fda0ffccc97fa375cd4e7f0600f75
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b94019781f602f9ade7fad8ee0a2b290410fda0ffccc97fa375cd4e7f0600f75/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xfabs6a7maxzvxt7vwhobivssbaq7wqp7tgjp6rxltkop4dab52q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251201-fjlmkafm5x/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/d382e4f9-9dfb-41e2-8b40-e87cd09760a9
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b94019781f60/report/overview.html
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: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_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
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 b7fa748325fc32394164fdce01e2d903da6678589ef907b39f76467a44f1007c

Mirai

elf b94019781f602f9ade7fad8ee0a2b290410fda0ffccc97fa375cd4e7f0600f75

(this sample)

  
Dropped by
SHA256 b7fa748325fc32394164fdce01e2d903da6678589ef907b39f76467a44f1007c
  
URLhaus
https://urlhaus.abuse.ch/url/3713347/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 1bc0917eb72a9a95a9219b331a45e9be
  
URLhaus
https://urlhaus.abuse.ch/url/3712139/

Comments