MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 535afeb6dbe8f2bb78931a10fbce62a1db65738a691cf91f2dcf603759182fa5. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 535afeb6dbe8f2bb78931a10fbce62a1db65738a691cf91f2dcf603759182fa5
SHA3-384 hash: e263212aefb7e20611a6c210895b75ddecd957b50333369a8877d662cac21f97849ea6f4eded2b5ab16a1af7693e1ea1
SHA1 hash: d608a5642bae3b61ba98ea6e102ff58d3a5270dd
MD5 hash: be3eaf815d70b54b2826487023cd4278
humanhash: eight-blossom-steak-low
File name:4
Download: download sample
Signature Mirai
Create hunting rule
File size:90'092 bytes
First seen:2025-01-09 17:21:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:eqn1xllaY+XklyTl7akJIohuFSBvcpitMk+EMZislrnEVd9nRyc:PmFxE0IohsplrnEVrkc
TLSH T19493FA86F8815A11C6C106BBBE2F059E33076BA8E2DA7313DD241B64778B95F0F2754B
telfhash t130c08ce28a4880cc3b85aa1ac08f201c6ebb7d0b0e0b1006a54828c8c0e3282b089c06
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67800686ffdcee13ec88edc5linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Creating a file in the %temp% directory
Changes the time when the file was created, accessed, or modified
Launching a process
Kills processes
Sends data to a server
Manages services
Opens a port
Creating a file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/678005bb6b03c97a8ac81ffb/reports/7ad29f2c-dc8e-4e81-af5d-b33fdc579297/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/535afeb6dbe8f2bb78931a10fbce62a1db65738a691cf91f2dcf603759182fa5
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/7a740172-f5f2-4cb2-adc9-6f77a4a1ec5e
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1586889
Signature
Connects to many ports of the same IP (likely port scanning)
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: 1586889 Sample: 4.elf Startdate: 09/01/2025 Architecture: LINUX Score: 76 44 157.161.177.159, 18350, 37215 IMPNET-ASCH Switzerland 2->44 46 41.183.96.130, 18350, 37215 FNBCONNECTZA South Africa 2->46 48 98 other IPs or domains 2->48 54 Suricata IDS alerts for network traffic 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Connects to many ports of the same IP (likely port scanning) 2->58 60 Uses known network protocols on non-standard ports 2->60 10 4.elf 2->10         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 signatures5 62 Sample tries to kill multiple processes (SIGKILL) 10->62 19 4.elf 10->19         started        process6 process7 21 4.elf 19->21         started        file8 42 /tmp/crontab.tmp, ASCII 21->42 dropped 24 4.elf sh 21->24         started        26 4.elf sh 21->26         started        28 4.elf sh 21->28         started        30 4 other processes 21->30 process9 process10 32 sh crontab 24->32         started        36 sh systemctl 26->36         started        38 sh systemctl 28->38         started        file11 40 /var/spool/cron/crontabs/tmp.qvtKq4, ASCII 32->40 dropped 50 Sample tries to persist itself using cron 32->50 52 Executes the "crontab" command typically for achieving persistence 32->52 signatures12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/535afeb6dbe8f2bb78931a10fbce62a1db65738a691cf91f2dcf603759182fa5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/535afeb6dbe8f2bb78931a10fbce62a1db65738a691cf91f2dcf603759182fa5/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-09 17:22:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=knnp5nw35dzlw6etdiipxttcuhnwk44kneopshznz5qdowiyf6sq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution persistence privilege_escalatio privilege_escalation
Link:
https://tria.ge/reports/250109-vxjgpavqdz/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies rc script
Modifies systemd
Contacts a large (77404) 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/5c5e991a-e695-4913-ab89-006dbc827f8a
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/535afeb6dbe8f2bb78931a10fbce62a1db65738a691cf91f2dcf603759182fa5

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
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 535afeb6dbe8f2bb78931a10fbce62a1db65738a691cf91f2dcf603759182fa5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3386683/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3393656/

Comments