MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a21196e87dcc49505517aa11489d8855aeb49d35199ed026f88be6cc712e4bcc. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a21196e87dcc49505517aa11489d8855aeb49d35199ed026f88be6cc712e4bcc
SHA3-384 hash: 65a6e680a8ca46d7133df7d49bcbbed70306ea854d83b62ec17299e8e55baf0b4703aab9ec5f8056a4ca7e5ded6d27a6
SHA1 hash: 0a2a757a8b11f68afa392ffc6c998ee5b79d4dd6
MD5 hash: 9f7ad3e347b45d723c4913b6666803e9
humanhash: ink-washington-seventeen-maine
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:63'296 bytes
First seen:2023-07-26 13:22:15 UTC
Last seen:2023-07-28 04:33:05 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:dpmbSQ6U3q7cCBT/lZsK/0DiQWLiKimfFoktCe3fYRME:WShU3q7cEDlCK/0DO9i8Fok06fYRv
TLSH T1B4534B17B54280FDC49AC1744B2BBA39D93775FD0378B2A677D0EB222CA6D211E1DD44
telfhash t1992121a2ba6509a0f1fbf561b304d0450d200a1416fa36f2c275b9fadba5b820f78c37
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:gafgyt mirai

Intelligence

File Origin
# of uploads :
9
# of downloads :
92
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28878.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28879.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28877.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

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

Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
107.173.231.76
Number of open files:
44
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Full report:
https://elfdigest.com/brief/a21196e87dcc49505517aa11489d8855aeb49d35199ed026f88be6cc712e4bcc
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/116826a6-ca45-48b3-9972-74172157bfe5
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1280464
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sets full permissions to files and/or directories
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1280464 Sample: x86_64.elf Startdate: 26/07/2023 Architecture: LINUX Score: 100 25 botnet.nguyennghi.info 2->25 27 103.38.219.105, 37215 VUTELECOM-AS01-VU-APTelecomVanuatuLimitedVU Vanuatu 2->27 29 99 other IPs or domains 2->29 31 Snort IDS alert for network traffic 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 5 other signatures 2->37 8 x86_64.elf 2->8         started        signatures3 process4 process5 10 x86_64.elf sh 8->10         started        12 x86_64.elf 8->12         started        process6 14 sh chmod 10->14         started        17 sh rm 10->17         started        19 sh mkdir 10->19         started        21 x86_64.elf 12->21         started        23 x86_64.elf 12->23         started        signatures7 39 Sets full permissions to files and/or directories 14->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a21196e87dcc49505517aa11489d8855aeb49d35199ed026f88be6cc712e4bcc/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2023-07-26 13:12:38 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uiizn2d5zrevavixviiurhmikwxljhjvdgpnajxyrptmy4jojpga._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery linux
Link:
https://tria.ge/reports/230726-qmskdsbg45/
Behaviour
Reads runtime system information
Writes file to tmp directory
Enumerates running processes
Changes its process name
Contacts a large (37362) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
botnet.nguyennghi.info
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/a21196e87dcc49505517aa11489d8855aeb49d35199ed026f88be6cc712e4bcc

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
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_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_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:myMirai
Create hunting rule
Description:Mirai
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 a21196e87dcc49505517aa11489d8855aeb49d35199ed026f88be6cc712e4bcc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2557044/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2690326/

Comments