MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9420a8e865ee3490b69ebb37a773c8255e63421fec669ff716c6e9388a3fd2e4. 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 2 File information Comments

SHA256 hash: 9420a8e865ee3490b69ebb37a773c8255e63421fec669ff716c6e9388a3fd2e4
SHA3-384 hash: 1352af5a45999c25b2c7a1791ef8e99c20ad6ce2670cd4426796bb0b3be6c50f65bde42c05eefa06cbeb83daee84e989
SHA1 hash: e6c06f3fe4597fb7c2e86ed29cb8491e7674f413
MD5 hash: 7c2082108d3b33daa8e9b4e0f882a955
humanhash: tennessee-nitrogen-mango-mango
File name:mips
Download: download sample
Signature Mirai
File size:113'928 bytes
First seen:2024-11-07 23:16:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:UGbYTHrhJ/iSf3fjJnBenEnYVIFFqqFqR4quH0IzjHbjomQ3V7ZrpgPi+Se3u45g:YXaSf9nB6VIGkbTuV7Zrp+BpQXzz7
TLSH T1F1B3C81E6E218FBDF368833547F78A35A35833D626E1C685D2ACD6101F6028D645FFA8
telfhash t18521b05c4a7812f497761c891adeefb7e1a130cf5b222d3b8e00a97daaadc419d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
761
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Runs as daemon
Connection attempt
Mounts file systems
Creating a file
Receives data from a server
DNS request
Changes access rights for a written file
Launching a process
Changes the time when the file was created, accessed, or modified
Opens a port
Sends data to a server
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
13
Number of processes launched:
9
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551683 Sample: mips.elf Startdate: 08/11/2024 Architecture: LINUX Score: 72 38 166.82.171.113 WINDSTREAMUS United States 2->38 40 93.150.243.51 VODAFONE-IT-ASNIT Italy 2->40 42 99 other IPs or domains 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Mirai 2->48 9 mips.elf 2->9         started        signatures3 process4 process5 11 mips.elf sh 9->11         started        13 mips.elf 9->13         started        15 mips.elf 9->15         started        17 mips.elf 9->17         started        process6 19 sh crontab 11->19         started        23 sh 11->23         started        25 mips.elf 13->25         started        27 mips.elf 13->27         started        29 mips.elf 15->29         started        file7 36 /var/spool/cron/crontabs/tmp.V24Jqh, ASCII 19->36 dropped 50 Sample tries to persist itself using cron 19->50 52 Executes the "crontab" command typically for achieving persistence 19->52 31 sh crontab 23->31         started        34 mips.elf 25->34         started        signatures8 process9 signatures10 54 Executes the "crontab" command typically for achieving persistence 31->54
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-11-07 23:17:10 UTC
File Type:
ELF32 Big (Exe)
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery execution persistence privilege_escalatio
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Creates/modifies Cron job
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
Contacts a large (245512) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6735924-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
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 9420a8e865ee3490b69ebb37a773c8255e63421fec669ff716c6e9388a3fd2e4

(this sample)

  
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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments