MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a3727775a98d08edeb56d34bb70830964550810cfaaa0abe8e3b8eb7c2f3d30. 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: 9


Intelligence 9 IOCs YARA 10 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a3727775a98d08edeb56d34bb70830964550810cfaaa0abe8e3b8eb7c2f3d30
SHA3-384 hash: db2849375c4bfb6ae37c0c8b0540aa46bebc993e5eb0b0fe4e32ed15fe23928153f90aeb7be493c34b60755d56bdef16
SHA1 hash: 36bfc763eb8f06ffe4ad2c1f487d96e3c6a4d67a
MD5 hash: 301299bf673773c3e3600393d7d9d0ba
humanhash: idaho-kitten-five-apart
File name:301299bf673773c3e3600393d7d9d0ba
Download: download sample
Signature Mirai
Create hunting rule
File size:38'800 bytes
First seen:2023-02-24 17:00:58 UTC
Last seen:2023-02-27 11:30:37 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:6ryDw+2jd+xIPTWri8wklJug2OV3NwX4AaceiV5og:7w+2j02Pirrig2OjwX4xceivog
TLSH T128034BC59893E9F5EC16157120B7FB328B36F13A10AAED87E759D132AC43A05A2072CD
telfhash t1b511e1b56fa22afcf2d1f504c72a86e3aa3ad2635d305cf5557a26213bf20122073430
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf intel mirai

Intelligence

File Origin
# of uploads :
7
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135965-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
67%
Tags:
anti-debug botnet mirai
Link:
https://www.filescan.io/uploads/63f8ed535d47c2515e7fe8e0/reports/9f87c313-baa4-4f1c-81be-01655ef003c0/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
44
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
2323,23
Full report:
https://elfdigest.com/brief/9a3727775a98d08edeb56d34bb70830964550810cfaaa0abe8e3b8eb7c2f3d30
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
45.12.253.144:38241
UDP botnet C2(s):
not identified
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4a5e8fa8-74c1-46c2-9b1a-a1259ee0a639
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1182039
Signature
Connects to many ports of the same IP (likely port scanning)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 814872 Sample: z8VEyUufok.elf Startdate: 24/02/2023 Architecture: LINUX Score: 80 16 botnet.sayto1k.ru 2->16 18 167.217.231.90 ZAYO-6461US United States 2->18 20 99 other IPs or domains 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 2 other signatures 2->28 8 z8VEyUufok.elf 2->8         started        signatures3 process4 process5 10 z8VEyUufok.elf 8->10         started        process6 12 z8VEyUufok.elf 10->12         started        14 z8VEyUufok.elf 10->14         started       
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9a3727775a98d08edeb56d34bb70830964550810cfaaa0abe8e3b8eb7c2f3d30/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2023-02-22 01:59:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ti3so522tdii5xvvnu2lw4edbfsfkcaqz6vkbk7i4o4ow7bphuya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery linux
Link:
https://tria.ge/reports/230224-vjh9rsab32/
Behaviour
Contacts a large (64631) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
botnet.sayto1k.ru
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/9a3727775a98d08edeb56d34bb70830964550810cfaaa0abe8e3b8eb7c2f3d30

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_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_95e0056c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 9a3727775a98d08edeb56d34bb70830964550810cfaaa0abe8e3b8eb7c2f3d30

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2550078/

Comments


Avatar
zbet commented on 2023-02-24 17:01:00 UTC

url : hxxp://botnet.sayto1k.ru/x86