MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03cb26f0b288a53fc7d714438f3df63a3dbf09263250a3d351730d8fb77964a8. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
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SHA256 hash: 03cb26f0b288a53fc7d714438f3df63a3dbf09263250a3d351730d8fb77964a8
SHA3-384 hash: ec473c7d9f1a94bcb5a5003f2eb1b5ca8b9d3d7beaded9330889265c82a7cb44ac50fbccf60ad42fc52e87d000f9537f
SHA1 hash: 21b661181520e9085bb89a25e77c3f8ad2cc2116
MD5 hash: 394c3f2ebbb90d6ecc7b9a05ac1d6400
humanhash: sad-echo-salami-ohio
File name:arm7
Download: download sample
Signature Mirai
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File size:72'488 bytes
First seen:2022-03-24 22:50:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Ba8qda2q9Jmgmn3ccKBqNEen6x9Ah1oKL7b9NfZylqZtcEfp:xqdhumR3cc36xKhDL7b9NfIwZtn
TLSH T160631200947744F1CBF76177FBC1488A4C46AFB8D8B2ADE79B8C61782F4A15856B4E0B
Reporter tolisec
Tags:mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai.4306.23657.3319.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug gafgyt mirai
Link:
https://www.filescan.io/uploads/623cf5a91f2042394824591e/reports/e602f034-d5db-419d-a381-7b06a34b5356/overview
Result
Verdict:
MALICIOUS
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4a035b8f-6434-4763-a7fa-72cd10de3992
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/964205
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 596687 Sample: arm7 Startdate: 25/03/2022 Architecture: LINUX Score: 88 72 41.188.184.77 simbanet-tzTZ Tanzania United Republic of 2->72 74 156.158.50.65 airtel-tz-asTZ Tanzania United Republic of 2->74 76 98 other IPs or domains 2->76 78 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 Yara detected Mirai 2->82 84 3 other signatures 2->84 15 systemd mandb arm7 2->15         started        17 systemd logrotate 2->17         started        19 systemd install 2->19         started        21 systemd find 2->21         started        signatures3 process4 process5 23 arm7 15->23         started        25 arm7 15->25         started        27 arm7 15->27         started        37 3 other processes 15->37 29 logrotate sh 17->29         started        31 logrotate sh 17->31         started        33 logrotate gzip 17->33         started        35 logrotate gzip 17->35         started        process6 39 arm7 23->39         started        41 arm7 23->41         started        44 sh invoke-rc.d 29->44         started        46 sh rsyslog-rotate 31->46         started        signatures7 48 arm7 39->48         started        86 Sample tries to kill multiple processes (SIGKILL) 41->86 50 invoke-rc.d runlevel 44->50         started        52 invoke-rc.d systemctl 44->52         started        54 invoke-rc.d ls 44->54         started        56 invoke-rc.d systemctl 44->56         started        58 rsyslog-rotate systemctl 46->58         started        process8 process9 60 arm7 48->60         started        process10 62 arm7 60->62         started        process11 64 arm7 62->64         started        process12 66 arm7 64->66         started        process13 68 arm7 66->68         started        process14 70 arm7 68->70         started       
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/03cb26f0b288a53fc7d714438f3df63a3dbf09263250a3d351730d8fb77964a8/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-03-24 22:50:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux
Link:
https://tria.ge/reports/220324-2sa33scben/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Write file to user bin folder
Modifies the Watchdog daemon
Writes file to system bin folder
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.03
Link:
https://yomi.yoroi.company/submissions/03cb26f0b288a53fc7d714438f3df63a3dbf09263250a3d351730d8fb77964a8

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
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth
Description:Detects a suspicious ELF binary with UPX compression
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 03cb26f0b288a53fc7d714438f3df63a3dbf09263250a3d351730d8fb77964a8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2114499/
  
Delivery method
Distributed via web download

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