MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40cc61636631d2a50ab134d0bafd3786aa15ffff9068ac11f23ed2914254ccd4. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
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SHA256 hash: 40cc61636631d2a50ab134d0bafd3786aa15ffff9068ac11f23ed2914254ccd4
SHA3-384 hash: 35acbf7991ecea7266b2aa8b0deea39347d7cd3c4e1aa92aebbb6384ce31481195ab9256efcca394de0b117b572359bb
SHA1 hash: 72bc36d61159e0023201802d227802fb4e609efb
MD5 hash: 5de7ba577fcfdbd6cea6339d7e22e602
humanhash: pennsylvania-oven-wyoming-maine
File name:x86-20220123-0950
Download: download sample
Signature Mirai
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File size:28'700 bytes
First seen:2022-01-23 09:50:05 UTC
Last seen:2022-01-23 11:52:09 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:xw2NtDj5S6zCu44eN2MA0Hjwo13uU+BXJquLy:xFtBORH/13LuG
TLSH T134D2D062C386E4E7D40555B273260EEEEF62ECD2570EF1CB07C52ADA140A0D86674EB5
Reporter tolisec
Tags:mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai.4511.29079.8895.UNOFFICIAL
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Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/61ed25080f8c757253dd1158/reports/30164b1f-0c2f-453f-8471-77b5c1a7c730/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
136.144.41.60:80/.s4y
Number of open files:
0
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23,37215,52869
Full report:
https://elfdigest.com/brief/40cc61636631d2a50ab134d0bafd3786aa15ffff9068ac11f23ed2914254ccd4
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
136.144.41.60:3074
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f8e05228-f570-46cb-84ac-84a2263e0247
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/925822
Signature
Connects to many ports of the same IP (likely port scanning)
Deletes all firewall rules
Deletes security-related log files
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to stop the "iptables" service
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 558302 Sample: x86-20220123-0950 Startdate: 23/01/2022 Architecture: LINUX Score: 100 74 209.228.84.107 WINDSTREAMUS United States 2->74 76 156.133.93.215 VODACOM-ZA Luxembourg 2->76 78 98 other IPs or domains 2->78 80 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 Yara detected Mirai 2->84 86 3 other signatures 2->86 13 x86-20220123-0950 2->13         started        signatures3 process4 process5 15 x86-20220123-0950 13->15         started        17 x86-20220123-0950 13->17         started        19 x86-20220123-0950 13->19         started        21 x86-20220123-0950 13->21         started        process6 23 x86-20220123-0950 15->23         started        process7 25 x86-20220123-0950 23->25         started        process8 27 x86-20220123-0950 sh 25->27         started        29 x86-20220123-0950 sh 25->29         started        31 x86-20220123-0950 sh 25->31         started        33 10 other processes 25->33 process9 35 sh service systemctl 27->35         started        38 sh rm 29->38         started        40 sh rm 31->40         started        42 sh iptables 33->42         started        44 sh service systemctl 33->44         started        46 sh rm 33->46         started        48 7 other processes 33->48 signatures10 88 Tries to stop the "iptables" service 35->88 50 service 35->50         started        52 service basename 35->52         started        54 service basename 35->54         started        56 service systemctl 35->56         started        90 Sample deletes itself 38->90 92 Deletes security-related log files 40->92 94 Deletes all firewall rules 42->94 58 service 44->58         started        60 service basename 44->60         started        62 service basename 44->62         started        64 service systemctl 44->64         started        process11 process12 66 service systemctl 50->66         started        68 service sed 50->68         started        70 service systemctl 58->70         started        72 service sed 58->72         started       
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/40cc61636631d2a50ab134d0bafd3786aa15ffff9068ac11f23ed2914254ccd4/
Threat name:
Linux.Trojan.Mirai
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Status:
Malicious
First seen:
2022-01-23 09:51:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux persistence
Link:
https://tria.ge/reports/220123-ltzvtsfha3/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads CPU attributes
Creates/modifies Cron job
Write file to user bin folder
Deletes system logs
Writes file to system bin folder
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/40cc61636631d2a50ab134d0bafd3786aa15ffff9068ac11f23ed2914254ccd4

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
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses

File information

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

Web download

Mirai

elf 40cc61636631d2a50ab134d0bafd3786aa15ffff9068ac11f23ed2914254ccd4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1978267/
  
Delivery method
Distributed via web download

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