MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a4f1934efdc02672bd669e1222b461f3bc9bb47709c2e1bcb80cacc521d6e10. 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 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a4f1934efdc02672bd669e1222b461f3bc9bb47709c2e1bcb80cacc521d6e10
SHA3-384 hash: 0dd924aeede039c5c3e6dde99d354ea8c22369297659610231c90fd811958560bb95d5ee9d3a68d0e8f02e78278153ee
SHA1 hash: 5d575f843aea5e752a43dea0763c0ac42f8b2f97
MD5 hash: dddb1f79c588b5565924f282a9ff3934
humanhash: low-charlie-sweet-london
File name:dddb1f79c588b5565924f282a9ff3934
Download: download sample
Signature Mirai
Create hunting rule
File size:114'433 bytes
First seen:2023-02-24 17:01:17 UTC
Last seen:2023-02-27 11:30:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:WgVq6RdwsXZWHUzjPQC2E7/CqaHarcM/9XqPB9:WgVnPxpeQjPQC2+/eHaoM/9XqPB9
TLSH T180B32A46EB808B03C4D52776BA9F42553323DB54D3DB73068928AFB43F867AE4E23516
telfhash t1f121b1325b2056256a61dd64ccee53b2162d87266748ab37cf31c5cc640a0eed737c8f
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 arm elf gafgyt mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135965-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
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:
botnet mirai
Link:
https://www.filescan.io/uploads/63f8ed8d9ba0219ea4bb8299/reports/1c015c5a-bb75-4edd-a769-b682b0d10cb7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
2323,23
Full report:
https://elfdigest.com/brief/4a4f1934efdc02672bd669e1222b461f3bc9bb47709c2e1bcb80cacc521d6e10
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3795dde-7730-4c79-8420-7a1435aa24af
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1182047
Signature
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 814887 Sample: TR19jS98FQ.elf Startdate: 24/02/2023 Architecture: LINUX Score: 92 21 botnet.sayto1k.ru 2->21 23 185.14.11.185 VOIX-ASIT Italy 2->23 25 99 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 33 3 other signatures 2->33 9 TR19jS98FQ.elf 2->9         started        signatures3 process4 process5 11 TR19jS98FQ.elf 9->11         started        process6 13 TR19jS98FQ.elf 11->13         started        15 TR19jS98FQ.elf 11->15         started        17 TR19jS98FQ.elf 11->17         started        process7 19 TR19jS98FQ.elf 13->19         started       
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a4f1934efdc02672bd669e1222b461f3bc9bb47709c2e1bcb80cacc521d6e10/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2023-02-22 02:46:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjhrsnhp3qbgok6wnhqsek2gd454to2hococ4g6lqdfmyuq5nyia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery
Link:
https://tria.ge/reports/230224-vj4wgahh8x/
Behaviour
Reads runtime system information
Contacts a large (68060) amount of remote hosts
Creates a large amount of network flows
Modifies the Watchdog daemon
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/4a4f1934efdc02672bd669e1222b461f3bc9bb47709c2e1bcb80cacc521d6e10

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: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:myMirai
Create hunting rule
Description:Mirai
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 4a4f1934efdc02672bd669e1222b461f3bc9bb47709c2e1bcb80cacc521d6e10

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2550076/

Comments


Avatar
zbet commented on 2023-02-24 17:01:21 UTC

url : hxxp://botnet.sayto1k.ru/arm7