MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a347b55c338d3c9faa5ab78d46991881167f224a36d81ac8444ec6256242a7ff. 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: 14


Intelligence 14 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a347b55c338d3c9faa5ab78d46991881167f224a36d81ac8444ec6256242a7ff
SHA3-384 hash: baee0d3d5c46dc03aee878ce1989c56e8b1cbd80690fb92f288d2553514e7f877b2ab2dc332252fe33dcac08e6b52f43
SHA1 hash: 04605ed679870d08788d49e96efc78584f5bbf09
MD5 hash: b6de1d05c89679a93ac6f1a5a57d237e
humanhash: bacon-mirror-eleven-monkey
File name:yakuza.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:140'145 bytes
First seen:2024-11-06 14:11:42 UTC
Last seen:2024-11-06 16:51:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:A4RPJBQGKVlrdGurUzPu1E4zjPixM/yCv1FjP3+9/NJMHI:ZIUBPUqM1v1FjP3+JNJMHI
TLSH T138D33A13B5D2CDFFC09696F50BDB9261A963F4390B3A225B33A47C692F1ED891D2D210
telfhash t1e43133479579ca1d2f736c585c7c4fb5125aab233152afb0bf9ac0889533001a978e4f
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
DE DE
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

Sanesecurity.Malware.28960.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-7139223-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

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

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672b794a8d23d90491344f94linux22vpnfull_triage
Tags:
bashlite tsunami gafgyt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the OS
Connection attempt
Collects information on the CPU
Sends data to a server
Receives data from a server
Launching a process
Runs as daemon
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug bash gcc lolbin masquerade remote
Link:
https://www.filescan.io/uploads/672b793f210633def620efa8/reports/cfde08c7-3b43-483c-82af-b856bdf75a3e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/a347b55c338d3c9faa5ab78d46991881167f224a36d81ac8444ec6256242a7ff
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Tsunami
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/78ee50c9-b350-4f07-aad6-4084540ef342
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1550192
Signature
Machine Learning detection for sample
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: 1550192 Sample: yakuza.x86.elf Startdate: 06/11/2024 Architecture: LINUX Score: 68 39 193.28.138.40 ZE-WROCLAW-ASPL Germany 2->39 41 161.189.46.44, 23, 52632 WESTCLOUDDATANingxiaWestCloudDataTechnologyCoLtdCN China 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 2 other signatures 2->51 9 yakuza.x86.elf 2->9         started        signatures3 process4 process5 11 yakuza.x86.elf 9->11         started        process6 13 yakuza.x86.elf sh 11->13         started        15 yakuza.x86.elf sh 11->15         started        17 yakuza.x86.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/a347b55c338d3c9faa5ab78d46991881167f224a36d81ac8444ec6256242a7ff
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a347b55c338d3c9faa5ab78d46991881167f224a36d81ac8444ec6256242a7ff/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-10-29 14:58:06 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=und3kxbtru6j7ks2w6gungiyqelh6iskg3mbvscej3dckyscu77q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/241106-rhvdvstpam/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Reads CPU attributes
Enumerates running processes
Contacts a large (16829) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan tsunami gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_a6a2adb9 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_e0673a90 Linux_Trojan_Gafgyt_821173df Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_656bf077 Linux_Trojan_Gafgyt_148b91a2 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_32eb0c81 Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Tsunami_e98b83ee Linux_Trojan_Tsunami_8a11f9be Linux_Trojan_Tsunami_0e52c842
Link:
https://app.threat.zone/submission/cb019b36-5f1f-45ca-bc8e-cf8f66cf3362
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a347b55c338d3c9faa5ab78d46991881167f224a36d81ac8444ec6256242a7ff

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_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_148b91a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
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_656bf077
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_821173df
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_a6a2adb9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
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_e0673a90
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_8a11f9be
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_e98b83ee
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: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 a347b55c338d3c9faa5ab78d46991881167f224a36d81ac8444ec6256242a7ff

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3278879/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments