MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4051d4ca92413f0e35f7a5258cb92b818e98c659a7986e438ff916f51bc421f5. 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 5 File information Comments

SHA256 hash: 4051d4ca92413f0e35f7a5258cb92b818e98c659a7986e438ff916f51bc421f5
SHA3-384 hash: 1754f2b4ed846639d318de7646c471e2455bb63a7cd87f64c070bf065a8f395be4a35fdfd1d9cd959018100b4a98a53b
SHA1 hash: 413c469b540314de3d9dd876a223734019c0aef3
MD5 hash: 4da50738f771a0e18945e0bcbbf2223f
humanhash: victor-texas-nine-north
File name:arm7
Download: download sample
Signature Mirai
File size:150'810 bytes
First seen:2024-02-19 21:35:22 UTC
Last seen:2024-02-19 21:36:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:RJ0cPwiO3Kqc/aydFrRkPYB9s4Jsii2OXMknM/9yY:RJ0c5V/aydFrRkgB9Kh2OXMEM/9yY
TLSH T193E33C56FA418B13C0D61779B6DF42453323ABA493DB73069928BFB43F8679E0E23905
telfhash t15c2131705336a115aea1cc64dcee87f2111996232744af73ee36c0cc68060cae52bc0f
Reporter elfdigest
Tags:mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
92
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Creates directories
DNS request
Creating a file
Sends data to a server
Sets a written file as executable
Connection attempt
Launching a process
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
103.172.79.74
Number of open files:
90
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
37215
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Mirai, Moobot
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1394812 Sample: arm7.elf Startdate: 19/02/2024 Architecture: LINUX Score: 100 26 bonet.networkbn.com 2->26 28 197.211.42.26, 37215 globacom-asNG Nigeria 2->28 30 99 other IPs or domains 2->30 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 7 other signatures 2->38 8 arm7.elf 2->8         started        signatures3 process4 process5 10 arm7.elf sh 8->10         started        12 arm7.elf 8->12         started        process6 14 sh rm 10->14         started        16 sh mkdir 10->16         started        18 sh mv 10->18         started        20 sh chmod 10->20         started        22 arm7.elf 12->22         started        24 arm7.elf 12->24         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-02-19 21:36:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai discovery
Behaviour
Reads runtime system information
Writes file to tmp directory
Enumerates running processes
Changes its process name
Contacts a large (35061) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
bonet.networkbn.com
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 4051d4ca92413f0e35f7a5258cb92b818e98c659a7986e438ff916f51bc421f5

(this sample)

  
Delivery method
Distributed via web download

Comments