MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f831a6d5224fb9b2d83e085578158f5ee035d4410f08c193bff9faa08d589730. 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 2 File information Comments

SHA256 hash: f831a6d5224fb9b2d83e085578158f5ee035d4410f08c193bff9faa08d589730
SHA3-384 hash: 4e8c2e31981d8e19444e1b9ccfe2d4273866c9ed9f19b16223c6f35e1785eead11cd6f5f69adf6cb1f8891477424987d
SHA1 hash: ba052852cbeae9d7d4e58fcfd66ea9a1bfa28753
MD5 hash: 80c687e90213617f61028dd7c60ddba1
humanhash: tennis-april-beryllium-jupiter
File name:mips
Download: download sample
Signature Mirai
File size:105'780 bytes
First seen:2024-12-21 05:30:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:CyF0CMjfjpLICVxlK+lKrwKcivSK5ApwOCW3vTVeYQIBrqni8VRqE:e9BLjVe5ApwOCWfThrqni3E
TLSH T1B9A3E91E6E618FBDF779C33447B78B21975923D62BE08685D2BCE6101E2024D641FFA8
telfhash t166219d4c497813e497721c9d2aaeefb3e5a130df0b366d378e10a8ada5ad9429d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
DNS request
Sends data to a server
Mounts file systems
Kills processes
Substitutes an application name
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:
5
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1579240 Sample: mips.elf Startdate: 21/12/2024 Architecture: LINUX Score: 72 30 shitrocket.dyn. [malformed] 2->30 32 hikvision.geek. [malformed] 2->32 34 106 other IPs or domains 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 42 Connects to many ports of the same IP (likely port scanning) 2->42 10 mips.elf 2->10         started        signatures3 44 Sends malformed DNS queries 32->44 process4 process5 12 mips.elf 10->12         started        14 mips.elf 10->14         started        16 mips.elf 10->16         started        process6 18 mips.elf 12->18         started        20 mips.elf 12->20         started        22 mips.elf 14->22         started        process7 24 mips.elf 18->24         started        26 mips.elf 22->26         started        process8 28 mips.elf 24->28         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-12-21 05:31:04 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Unexpected DNS network traffic destination
Contacts a large (73117) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
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 f831a6d5224fb9b2d83e085578158f5ee035d4410f08c193bff9faa08d589730

(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