MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b97827c5bd2bca0571e5adb550f9b4dbba90b95e467f03f1c5278953b9ff545. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b97827c5bd2bca0571e5adb550f9b4dbba90b95e467f03f1c5278953b9ff545
SHA3-384 hash: b3aab8ea2c7a53bc9f9da45f5d009bae6b1242fca584e42cb34640da1693db3ada13140c53db235882009416c822dedb
SHA1 hash: 11ca7c112a9517063a07ce4a32ecec86b9980d04
MD5 hash: db57416bfee4729ac40eb43b0b576921
humanhash: lemon-fillet-saturn-quiet
File name:6
Download: download sample
Signature Mirai
Create hunting rule
File size:108'560 bytes
First seen:2025-01-12 23:11:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:aHnouoX1XB2FGpi9HcXSsqhITyXLWXJ4W8cN0R6QRiPaltai56vyp0OgcDnCgIZy:TF8oMhsEIT7JhBN0R6glkyp3JD1JT
TLSH T1AFB30A4AF8816B11C5D615BBFE1F019E33475BA8E3EA3213DD241B64778AA1F0F27906
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
154
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67844c07aa9c8e7858de6e57linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Launching a process
Manages services
Connection attempt
Collects information on the network activity
Creating a file
Creating a file in the %temp% directory
Kills processes
Opens a port
Sets a written file as executable
Sends data to a server
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/67844c06f093d6ed187f1232/reports/52e2452e-5fd4-406b-8cdb-2464d128e683/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8b97827c5bd2bca0571e5adb550f9b4dbba90b95e467f03f1c5278953b9ff545
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1caecd89-92f5-469f-8978-385df260c094
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1589622
Signature
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1589622 Sample: 6.elf Startdate: 13/01/2025 Architecture: LINUX Score: 80 51 41.203.64.77 globacom-asNG Nigeria 2->51 53 163.221.28.75 WIDE-BBWIDEProjectJP Japan 2->53 55 98 other IPs or domains 2->55 57 Suricata IDS alerts for network traffic 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Connects to many ports of the same IP (likely port scanning) 2->61 63 Uses known network protocols on non-standard ports 2->63 9 6.elf 2->9         started        13 xfce4-panel wrapper-2.0 2->13         started        15 xfce4-panel wrapper-2.0 2->15         started        17 5 other processes 2->17 signatures3 process4 file5 45 /tmp/crontab.tmp, troff 9->45 dropped 47 /etc/init.d/hello, Bourne-Again 9->47 dropped 65 Sample tries to kill multiple processes (SIGKILL) 9->65 67 Drops files in suspicious directories 9->67 19 6.elf sh 9->19         started        21 6.elf 9->21         started        23 6.elf sh 9->23         started        25 6.elf sh 9->25         started        signatures6 process7 process8 27 sh crontab 19->27         started        31 6.elf 21->31         started        33 sh systemctl 23->33         started        35 sh 25->35         started        file9 49 /var/spool/cron/crontabs/tmp.RAH47I, troff 27->49 dropped 69 Sample tries to persist itself using cron 27->69 71 Executes the "crontab" command typically for achieving persistence 27->71 37 6.elf 31->37         started        39 6.elf 31->39         started        41 6.elf 31->41         started        43 2 other processes 31->43 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8b97827c5bd2bca0571e5adb550f9b4dbba90b95e467f03f1c5278953b9ff545
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b97827c5bd2bca0571e5adb550f9b4dbba90b95e467f03f1c5278953b9ff545/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-12 23:11:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rolye7c32k6kavy6llnvkd43jw52sc4v4rt7apy4kj4jko476vcq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution persistence privilege_escalatio privilege_escalation
Link:
https://tria.ge/reports/250112-2586mswpfl/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Executes dropped EXE
Contacts a large (61997) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e84b789e-b250-41fc-99d7-66a02e423a14
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/8b97827c5bd2bca0571e5adb550f9b4dbba90b95e467f03f1c5278953b9ff545

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_8299c877
Create hunting rule
Author:Elastic Security
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 8b97827c5bd2bca0571e5adb550f9b4dbba90b95e467f03f1c5278953b9ff545

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3393726/
  
Delivery method
Distributed via web download

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