MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 738591dfc24cbf92f0054effab5a780f5b30c3f1bc05ab017004e484294949a2. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 738591dfc24cbf92f0054effab5a780f5b30c3f1bc05ab017004e484294949a2
SHA3-384 hash: 8be23767551cdcf89c8bdf1b32c4e48d37c9ae0cbcfae7a9143de33a7bb65a8a1a95cb469039fa52a12c93f9cf9d9601
SHA1 hash: e9a8ea9c88221b191a0141aa0c338c0b6de19dbc
MD5 hash: 8c6cf977dfe4b14508fa67b7c5494270
humanhash: bulldog-seven-florida-november
File name:teste.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:150'272 bytes
First seen:2024-12-03 23:55:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Xepl+0j1qNh7kpRaN4p7JGxrCJ2GKHWAy:XeplNUh7KwN4poxOQG4WZ
TLSH T17DE30845F8914F27C6D212BBFB5E428D372A17A8D3EE72079D216F20378685B0E77642
telfhash t1c021ee39bad40a9c0ae4d748429e213f1edd30f52f2135e9ab696b4f8153dc0b20c43b
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
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.28886.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

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

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674f9c8212e85e185e758113linux22vpnfull_triage
Tags:
mirai ddos
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-debug lolbin masquerade remote
Link:
https://www.filescan.io/uploads/674f9a921b2b810869e16be1/reports/7732b06f-cfc2-488b-958d-3b29a20da111/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
76
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/738591dfc24cbf92f0054effab5a780f5b30c3f1bc05ab017004e484294949a2
Behaviour
Process Renaming
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/49ee9235-ce2c-4394-bb64-e124d7f70e8f
Result
Threat name:
Gafgyt, Mirai, Moobot, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1567904
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Yara detected Moobot
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1567904 Sample: teste.arm5.elf Startdate: 04/12/2024 Architecture: LINUX Score: 96 18 209.95.20.241 XO-AS15US United States 2->18 20 100.46.121.29 WAYPORTUS United States 2->20 22 98 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 4 other signatures 2->30 8 teste.arm5.elf 2->8         started        signatures3 process4 process5 10 teste.arm5.elf 8->10         started        process6 12 teste.arm5.elf 10->12         started        14 teste.arm5.elf 10->14         started        16 teste.arm5.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/738591dfc24cbf92f0054effab5a780f5b30c3f1bc05ab017004e484294949a2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/738591dfc24cbf92f0054effab5a780f5b30c3f1bc05ab017004e484294949a2/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-03 23:56:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ooczdx6cjs7zf4afj372wwtyb5ntbq7rxqc2walqatsiikkjjgra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery
Link:
https://tria.ge/reports/241203-3yz5ts1lbs/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (69087) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7135966-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_0bce98a2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/5fc155a2-669a-4b6a-949e-b5a35ba37983
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/738591dfc24cbf92f0054effab5a780f5b30c3f1bc05ab017004e484294949a2

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_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 738591dfc24cbf92f0054effab5a780f5b30c3f1bc05ab017004e484294949a2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3318973/
  
Delivery method
Distributed via web download

Comments