MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b74dbd02b7ebb51700f3c5900283e46570fe497f9b415d25a029623118073519. 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: 13


Intelligence 13 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b74dbd02b7ebb51700f3c5900283e46570fe497f9b415d25a029623118073519
SHA3-384 hash: 4fa2180e8e46d8a0d1defbe44034841170ace1b22dfd9c549c51c1e6f4b156d01f14f77d8fbe1b7aaed6317fceade561
SHA1 hash: 752253649e258ddca604a5c0df57ba16760e06b8
MD5 hash: c0a45453b6d9d258e56e7d997f3e87d0
humanhash: robin-oranges-bravo-utah
File name:yakuza.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:142'864 bytes
First seen:2024-11-07 04:56:24 UTC
Last seen:2024-12-26 13:06:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:FlX3si5JBCbWaKS8Ju4Gk2LM3hUd7KxMoAKv1FjP3+9/NJMHI:bX3sHwd2wRMsv1FjP3+JNJMHI
TLSH T1C4D34B13B5D2CDFFC0A296F50BDB92659863F43A0B36215723A47DA92F1E9C91D2E210
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 :
4
# of downloads :
93
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-7136105-0
Create hunting rule

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

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

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

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

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672c48ba8d23d9049134a24clinux22vpnfull_triage
Tags:
trojan botnet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the OS
Connection attempt
Collects information on the CPU
Launching a process
Runs as daemon
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug bash gcc lolbin masquerade obfuscated remote
Link:
https://www.filescan.io/uploads/672c48aec7967d5267a96327/reports/2122a198-2866-4564-b7bc-5af01d23b604/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:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b74dbd02b7ebb51700f3c5900283e46570fe497f9b415d25a029623118073519
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/8ef18a34-064a-48b8-9f5c-04426e365077
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1550735
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1550735 Sample: yakuza.x86.elf Startdate: 07/11/2024 Architecture: LINUX Score: 76 39 45.86.86.60, 46722, 5060 DALANETKZ Italy 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected Mirai 2->45 47 3 other signatures 2->47 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 39 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 72 other processes 19->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b74dbd02b7ebb51700f3c5900283e46570fe497f9b415d25a029623118073519
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b74dbd02b7ebb51700f3c5900283e46570fe497f9b415d25a029623118073519/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-10-03 02:41:08 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=w5g32avx5o2roahtywiafa7emvyp4sl7tnav2jnaffrdcgahgumq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Link:
https://tria.ge/reports/241107-fk9qsaykdm/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Reads CPU attributes
Enumerates running processes
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/150c8dee-3a87-47d0-9db2-540097e12a85
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/b74dbd02b7ebb51700f3c5900283e46570fe497f9b415d25a029623118073519

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 b74dbd02b7ebb51700f3c5900283e46570fe497f9b415d25a029623118073519

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3279733/
  
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