MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57b940381a5d405da6452b4edbbe9ce57ff52285494f1f04b8b662805ba29621. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57b940381a5d405da6452b4edbbe9ce57ff52285494f1f04b8b662805ba29621
SHA3-384 hash: 0da61424f98500975611ed0588f5ad29d5a22c5a3e4e55a0d455cb920dd76d4813bc5c6c1056b238ce3ddb54b5f12865
SHA1 hash: f8155688d9c11f99b63d03f38873d5b96ff1a442
MD5 hash: 9df26e502bdf5bebe23ea5d1c56933ae
humanhash: social-nevada-december-ohio
File name:9df26e502bdf5bebe23ea5d1c56933ae
Download: download sample
Signature Mirai
Create hunting rule
File size:67'216 bytes
First seen:2022-10-26 14:09:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:lTg9OuTO+YbA38Xcp2rOZZRya1W2TDPt+KHz8np:ey+YbAaccrAz5wq+Sm
TLSH T1D3633A99B401AFBCF99BEAF941120A0DF421A25560930F23B72BFE937D710E1DD06D4A
Reporter zbetcheckin
Tags:32 elf mirai motorola

Intelligence

File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-6981989-0
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Unix.Trojan.Mirai-7135937-0
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Unix.Dropper.Mirai-7136014-0
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Unix.Trojan.Mirai-9907086-0
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Unix.Trojan.Mirai-9940650-0
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Result
Verdict:
MALICIOUS
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5796febe-4b88-49c3-ab0e-0fc20628fd88
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1098484
Signature
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: 731146 Sample: U871IGdT6s.elf Startdate: 26/10/2022 Architecture: LINUX Score: 64 20 test.sharehy.com 2->20 22 156.101.112.253, 23 WASTE-MANUS United States 2->22 24 99 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 8 U871IGdT6s.elf 2->8         started        signatures3 process4 process5 10 U871IGdT6s.elf 8->10         started        12 U871IGdT6s.elf 8->12         started        process6 14 U871IGdT6s.elf 10->14         started        16 U871IGdT6s.elf 10->16         started        18 U871IGdT6s.elf 10->18         started       
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/57b940381a5d405da6452b4edbbe9ce57ff52285494f1f04b8b662805ba29621/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-10-26 16:03:19 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k64uaoa2lvaf3jsffnhnxpu44v77kiufjfhr6bfywzriaw5csyqq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/221026-rgprzsgadk/
Malware Config
C2 Extraction:
test.sharehy.com
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/57b940381a5d405da6452b4edbbe9ce57ff52285494f1f04b8b662805ba29621

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_575f5bc8
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

File information

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

Web download

Mirai

elf 57b940381a5d405da6452b4edbbe9ce57ff52285494f1f04b8b662805ba29621

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2385783/

Comments


Avatar
zbet commented on 2022-10-26 14:09:55 UTC

url : hxxp://45.138.70.19/Mddos/Mddos.m68k