MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61daf676b1bdc71c3b719cbc1c6e7d39a267a131cb8951accb83b02be98a4d2d. 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: 12


Intelligence 12 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61daf676b1bdc71c3b719cbc1c6e7d39a267a131cb8951accb83b02be98a4d2d
SHA3-384 hash: 333074442168f251a7bc488a28c753c38746b553cbd6db0b5975467e694add4168600cc2c3afe123d4e98736a443de6a
SHA1 hash: 66a758ca55e2efb85b5606ad3d8b70e69ea30abb
MD5 hash: c57f4bba90b9810df5239d7e4ec8f5a9
humanhash: vermont-helium-vegan-spaghetti
File name:yakuza.i586
Download: download sample
Signature Mirai
Create hunting rule
File size:122'651 bytes
First seen:2024-11-23 10:02:02 UTC
Last seen:2024-12-01 15:41:36 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:hxUjGr5FOP9hiViBE3NAI74que6duSwWv69ny6JP/KTiFi:hxmeO66KSI748UuSpv69ny6JHKTiFi
TLSH T1DBC34BC3E780D7B3D08319B603A79B2502B1E9371A1BCE95F35C3CB49A19585F6266BC
telfhash t14e3133479579ca1d2f736c585c7c4fb5125aab2331526fb0bf9ac0889533002a978d4f
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 :
97
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31240.LX.BOT.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-7136105-0
Create hunting rule

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

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Unix.Trojan.Mirai-9907057-0
Create hunting rule

Unix.Trojan.Mirai-9924065-0
Create hunting rule

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

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6741a95db31374f09833b801linux22vpnfull_triage
Tags:
shellcode botnet overt
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug bash gcc lolbin masquerade obfuscated remote
Link:
https://www.filescan.io/uploads/6741a81d47b473f9c168fc9f/reports/b6499d5c-b320-425f-8276-6b1656d17508/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/61daf676b1bdc71c3b719cbc1c6e7d39a267a131cb8951accb83b02be98a4d2d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Momentum
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5a4c4813-07af-48df-a038-178de4263b11
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1561401
Signature
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1561401 Sample: yakuza.i586.elf Startdate: 23/11/2024 Architecture: LINUX Score: 68 39 209.220.62.241 XO-AS15US United States 2->39 41 52.83.247.197 WESTCLOUDDATANingxiaWestCloudDataTechnologyCoLtdCN China 2->41 43 98 other IPs or domains 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Yara detected Mirai 2->47 49 Uses IRC for communication with a C&C 2->49 51 2 other signatures 2->51 9 yakuza.i586.elf 2->9         started        signatures3 process4 process5 11 yakuza.i586.elf 9->11         started        process6 13 yakuza.i586.elf sh 11->13         started        15 yakuza.i586.elf sh 11->15         started        17 yakuza.i586.elf sh 11->17         started        19 44 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 82 other processes 19->37
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/61daf676b1bdc71c3b719cbc1c6e7d39a267a131cb8951accb83b02be98a4d2d/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-11-23 10:03:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mhnpm5vrxxdryo3rts6by3t5hgrgpijrzoevdlglqoycx2mkjuwq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Link:
https://tria.ge/reports/241123-l2tnsaspcz/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads CPU attributes
Enumerates running processes
Verdict:
Malicious
Tags:
trojan tsunami mirai gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_c573932b Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Gafgyt_750fe002 Linux_Trojan_Gafgyt_7167d08f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Tsunami_0fa3a6e9 Linux_Trojan_Tsunami_8a11f9be Linux_Trojan_Tsunami_6b3974b2
Link:
https://app.threat.zone/submission/da178de8-b99a-4a19-89d0-88634074ad79
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/61daf676b1bdc71c3b719cbc1c6e7d39a267a131cb8951accb83b02be98a4d2d

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_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_7167d08f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_750fe002
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_c573932b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_0fa3a6e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_6b3974b2
Create hunting rule
Author:Elastic Security
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: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 61daf676b1bdc71c3b719cbc1c6e7d39a267a131cb8951accb83b02be98a4d2d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3300562/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3300572/
  
URLhaus
https://urlhaus.abuse.ch/url/3300686/
  
URLhaus
https://urlhaus.abuse.ch/url/3300768/
  
URLhaus
https://urlhaus.abuse.ch/url/3300780/
  
URLhaus
https://urlhaus.abuse.ch/url/3300786/

Comments