MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f3345fbf8dfad389feca1c6c9713f75ad763c472b8aff6f85f04b11596c94ab. 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: 10


Intelligence 10 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f3345fbf8dfad389feca1c6c9713f75ad763c472b8aff6f85f04b11596c94ab
SHA3-384 hash: 96ffa95ab98b8fac475758c42cfa39dcea25cecc3532cd6f4c9888a92637b60d9e9d9920f96121208668aa7eb4126ed2
SHA1 hash: 686ebe18226b7d17e8f9785806e3b169f046a45e
MD5 hash: 3b364aeb92bf45c991012daf187ee8ab
humanhash: hydrogen-undress-monkey-charlie
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:63'502 bytes
First seen:2024-02-12 05:50:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:yK8r4PS/doXC+4Lfu3AHB0o2wW3E5bU+WQ10sl:y6PSuXZe2fE5wI
TLSH T18E53282B2A91C47FC19B53B52AD7E562A523B83D1B33950773D47E2DAF3A8C81C18316
telfhash t13311cb2018365639ae519834489c61b2157c2b17b6155fb6df3ac88c91304f2e23fe09
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter elfdigest
Tags:mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981158-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Connection attempt
Sends data to a server
Kills processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug mirai obfuscated
Link:
https://www.filescan.io/uploads/65c9b1c6af1f66769e139515/reports/5c5c72a3-f4d3-4e16-a3a9-e08ef473b186/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
93.123.85.126:80
Number of open files:
89
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
37215,2323,23
Full report:
https://elfdigest.com/brief/5f3345fbf8dfad389feca1c6c9713f75ad763c472b8aff6f85f04b11596c94ab
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/67a16c07-5199-4fb8-92ff-711d3c87ecb1
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1390553
Signature
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1390553 Sample: x86.elf Startdate: 12/02/2024 Architecture: LINUX Score: 100 21 41.56.231.133, 37215 rainZA South Africa 2->21 23 197.186.218.10 airtel-tz-asTZ Tanzania United Republic of 2->23 25 98 other IPs or domains 2->25 27 Snort IDS alert for network traffic 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 5 other signatures 2->33 8 x86.elf 2->8         started        10 dash rm 2->10         started        signatures3 process4 process5 12 x86.elf 8->12         started        process6 14 x86.elf 12->14         started        17 x86.elf 12->17         started        19 x86.elf 12->19         started        signatures7 35 Sample tries to kill a massive number of system processes 14->35 37 Sample tries to kill multiple processes (SIGKILL) 14->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5f3345fbf8dfad389feca1c6c9713f75ad763c472b8aff6f85f04b11596c94ab
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f3345fbf8dfad389feca1c6c9713f75ad763c472b8aff6f85f04b11596c94ab/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-02-12 05:51:05 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l4zul67y36wtrh7muhdms4j7owwxmpchfofp634f6bfrcwlmssvq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/240212-gj57msfg86/
Behaviour
Reads runtime system information
Enumerates running processes
Contacts a large (47670) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5f3345fbf8dfad389feca1c6c9713f75ad763c472b8aff6f85f04b11596c94ab

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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_46eec778
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_862c4e0e
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_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3fe3c668
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_637f2c04
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:mirai_botnet_unpack
Create hunting rule
Author:bozer
Description:Use to detect unpacked mirai, and there variants.
Rule name:Mirai_Unpack
Create hunting rule
Rule name:myMirai
Create hunting rule
Description:Mirai
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 5f3345fbf8dfad389feca1c6c9713f75ad763c472b8aff6f85f04b11596c94ab

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2760116/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2760118/

Comments