MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27c31da0fe5cbd377e2c812f1b92845e314c7c088ef258815ff5638af5284690. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27c31da0fe5cbd377e2c812f1b92845e314c7c088ef258815ff5638af5284690
SHA3-384 hash: 9702e261e26ad933f26dbe321ca64a49df2cabf1c6df2dda46f80cfca1429e366b40bdab2296624ea169e3e34a7d7785
SHA1 hash: 10ab329806f961c844c262a3cb9dcfbdd79db45f
MD5 hash: 4ce7eec6c7917579c4ed815f21199d5f
humanhash: kilo-pip-paris-fix
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:29'516 bytes
First seen:2023-10-16 05:50:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:EYicrAqMzfOwJEZTjucJa+tyJ50SqL7hKnbcuyD7UryqW:PzAVfiZK4tyJulZKnouy8mqW
TLSH T10BD2E143A3171A98DBFA0672DC9B7C4C1810BF4D899847E9DBECF1364C14B15AB7A322
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 :
115
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.DarkNexus-7679166-0
Create hunting rule

Unix.Trojan.Mirai-7669677-0
Create hunting rule

Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug mirai
Link:
https://www.filescan.io/uploads/652ccf474feff9bfde56096c/reports/2465436c-7503-4c9c-96ee-8eff4de4c170/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
custom
Botnet:
81.161.229.133:80/Y91
Number of open files:
3
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/27c31da0fe5cbd377e2c812f1b92845e314c7c088ef258815ff5638af5284690
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/760a5b62-3a60-40b8-92d5-85c8605ff1f3
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1326170
Signature
Machine Learning detection for sample
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1326170 Sample: x86.elf Startdate: 16/10/2023 Architecture: LINUX Score: 80 26 78.153.176.96 ZENSYSTEMS-ASDK Denmark 2->26 28 124.195.143.193 YTLCOMMS-MYYTLCommunicationsSdnBhdMY Malaysia 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 Multi AV Scanner detection for submitted file 2->36 38 3 other signatures 2->38 10 x86.elf 2->10         started        signatures3 process4 process5 12 x86.elf 10->12         started        14 x86.elf 10->14         started        process6 16 x86.elf 12->16         started        18 x86.elf 12->18         started        process7 20 x86.elf 16->20         started        22 x86.elf 18->22         started        process8 24 x86.elf 20->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/27c31da0fe5cbd377e2c812f1b92845e314c7c088ef258815ff5638af5284690
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/27c31da0fe5cbd377e2c812f1b92845e314c7c088ef258815ff5638af5284690/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2023-10-16 05:51:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e7br3ih6ls6to7rmqexrxeuelyyuy7air3zfrak76vryv5jii2ia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton botnet discovery linux
Link:
https://tria.ge/reports/231016-gj57msea59/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Writes file to system bin folder
Changes its process name
Modifies Watchdog functionality
Contacts a large (105588) amount of remote hosts
Creates a large amount of network flows
Mirai
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/27c31da0fe5cbd377e2c812f1b92845e314c7c088ef258815ff5638af5284690

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_b548632d
Create hunting rule
Author:Elastic Security
Rule name:myMirai
Create hunting rule
Description:Mirai
Rule name:upx_antiunpack_elf32
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 27c31da0fe5cbd377e2c812f1b92845e314c7c088ef258815ff5638af5284690

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2720915/
  
Delivery method
Distributed via web download

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