MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d413731643aeee91c44c73061eb1493c8438740af31399c5edf96829ff536b7d. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d413731643aeee91c44c73061eb1493c8438740af31399c5edf96829ff536b7d
SHA3-384 hash: bd5cf87ca8190297f2f0ab38bb99a3e40f2d85b86ccc09968a03fd11d214675aa2c8dd03a25be95a186d0e3f5db41785
SHA1 hash: 3dd2061f59d0d20bc32e2d7cc3ee5a4b239bdeff
MD5 hash: a75431b6a852220d0c789f81f423ea03
humanhash: december-coffee-low-violet
File name:yakuza.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:60'912 bytes
First seen:2025-01-27 08:04:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:79U6eG1KF/lQdsDFgIdWQABNRI8YdjOzBIsYaEMdrqYHD:uCIQdsxg8WTjkGSihj
TLSH T1A353F19D036EC786FB2DDEB8BEE68ED42D19AD37894C4113864D238117E10A50EB59F8
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Collects information on the CPU
Collects information on the OS
Connection attempt
DNS request
Launching a process
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/67973e310a04287e8b02d0dd/reports/957ae277-3060-45bb-a02e-2d79e5b6ad12/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
5
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d413731643aeee91c44c73061eb1493c8438740af31399c5edf96829ff536b7d
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/2e582841-8430-45a2-b2ce-3353ed78df30
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1600207
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1600207 Sample: yakuza.x86.elf Startdate: 27/01/2025 Architecture: LINUX Score: 68 39 109.202.202.202, 80 INIT7CH Switzerland 2->39 41 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->41 43 2 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 Yara detected Mirai 2->49 51 Sample is packed with UPX 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 54 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        37 101 other processes 19->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d413731643aeee91c44c73061eb1493c8438740af31399c5edf96829ff536b7d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d413731643aeee91c44c73061eb1493c8438740af31399c5edf96829ff536b7d/
Threat name:
Linux.Backdoor.Bushido
Create hunting rule
Status:
Malicious
First seen:
2025-01-27 08:05:07 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2qjxgfsdv3xjdrcmomdb5mkjhscdq5ak6mjztrpn7fuct72tnn6q._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux upx
Link:
https://tria.ge/reports/250127-jyvesszpgj/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Reads CPU attributes
Enumerates running processes
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9d999a8c-8be7-4811-a434-993138ab0282
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/d413731643aeee91c44c73061eb1493c8438740af31399c5edf96829ff536b7d

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf d413731643aeee91c44c73061eb1493c8438740af31399c5edf96829ff536b7d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3336628/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3336492/
  
URLhaus
https://urlhaus.abuse.ch/url/3336514/

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