MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b63fdac7c3ca73c1c5650d74b71aab23e86ec11bd389560425cc60e89164442. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b63fdac7c3ca73c1c5650d74b71aab23e86ec11bd389560425cc60e89164442
SHA3-384 hash: f2b47bfb2f877affb6e1bc4f6bfae197752a547e1d5f8a26482d2075ca6eb024d80f3528ae218dbf6bae58185e590fbe
SHA1 hash: e096d82bb7e3b37d3b5b6f2cc46c280aa337bd51
MD5 hash: 1a98123c2d4a8c63de2c008c43aa3bf9
humanhash: montana-violet-double-freddie
File name:yakuza.sh
Download: download sample
Signature Mirai
Create hunting rule
File size:133'491 bytes
First seen:2024-10-19 11:40:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:BICADH/0xOHIBPnYbcHYn1eleJGBky11rNbe+vg3nD2w+//Tp64:2VDHcOHq4nXPy1hNbe+vg3nD2wo/Tp64
TLSH T116D34B47C8A28FB7C0566EB629FB5534071AF9520B0F0BD665286BF4074F9CEB50EB24
telfhash t12e3145479479ca2d2f732c586c7c4fb61256ab2331527fb0bf9ac4884533002b968d4f
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 NDA0E
Tags:elf gafgyt mirai sh Tsunami Yakuza

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28962.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28961.LCM.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Tsunami-6981161-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Malware.Mirai-9885121-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug bash gcc lolbin masquerade remote
Link:
https://www.filescan.io/uploads/67139aa2cb929da7ec4da9ac/reports/39c4ad59-9f05-455b-8ea0-9f2a3293ea12/overview
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/97ebe99e-4ed3-441b-b589-e5ad05d59727
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1537683
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1537683 Sample: yakuza.sh.elf Startdate: 19/10/2024 Architecture: LINUX Score: 64 39 50.55.100.237 ZIPLY-FIBER-LEGACY-ASNUS United States 2->39 41 64.127.187.126 WVFIBER-1US United States 2->41 43 98 other IPs or domains 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Uses IRC for communication with a C&C 2->49 51 Uses known network protocols on non-standard ports 2->51 9 yakuza.sh.elf 2->9         started        signatures3 process4 process5 11 yakuza.sh.elf 9->11         started        process6 13 yakuza.sh.elf sh 11->13         started        15 yakuza.sh.elf sh 11->15         started        17 yakuza.sh.elf sh 11->17         started        19 38 other processes 11->19 process7 21 sh pkill 13->21         started        23 sh busybox 13->23         started        25 sh pkill 15->25         started        27 sh busybox 15->27         started        29 sh pkill 17->29         started        31 sh busybox 17->31         started        33 sh pkill 19->33         started        35 sh busybox 19->35         started        37 70 other processes 19->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7b63fdac7c3ca73c1c5650d74b71aab23e86ec11bd389560425cc60e89164442
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7b63fdac7c3ca73c1c5650d74b71aab23e86ec11bd389560425cc60e89164442/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-10-19 01:43:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pnr73ld4hsttyhcwkdluw4nkwi7in3arxu4jkyccltda5ciwirba._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/241019-nsv7cswdjp/
Verdict:
Malicious
Tags:
trojan tsunami
YARA:
Linux_Trojan_Tsunami_8a11f9be
Link:
https://app.threat.zone/submission/aff7b0a8-9950-475d-9ae9-26be8267c612
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/7b63fdac7c3ca73c1c5650d74b71aab23e86ec11bd389560425cc60e89164442

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:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Trojan_Tsunami_8a11f9be
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:ShellScript_Downloader
Create hunting rule
Author:NDA0E
Description:Detects Generic ShellScript Downloader
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 7b63fdac7c3ca73c1c5650d74b71aab23e86ec11bd389560425cc60e89164442

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3242758/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3242790/

Comments