MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86be40dbc7ad18cca753fb5e4973fc8ccb2fe1c93f218f3ae14c7859f14fc39f. 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: 86be40dbc7ad18cca753fb5e4973fc8ccb2fe1c93f218f3ae14c7859f14fc39f
SHA3-384 hash: 74577942d2a0e2b3d682b44c97b0fb62fe5f0d77731785fc8b486f8054d50c946293b642bd67fbe6e671e55221fda27f
SHA1 hash: 9272779e67df95b32b5b4b37e6b3c69c730fcfc5
MD5 hash: 26c80e482e5206d53d661a5a5acb44ad
humanhash: butter-bulldog-island-jupiter
File name:4
Download: download sample
Signature Mirai
Create hunting rule
File size:92'028 bytes
First seen:2025-01-11 03:56:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:O/n8u+4suChTOeGvl7aKCxj1ejnpHxMR+0M5i1UlkPGbCFnmuSAyUX0v7p6df:EeVQEKCxuplkPGbS6AyUX0v7p6
TLSH T19F93FA86F881AA11C6C142B7BD2F055E3306A7A8E2DE7353DD241B64778B95F0F27A07
telfhash t1c8c08cc4c9ac04cd3b4411ae82cfa64522fcba07022e1006ed803b0ac2f7201a489c63
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 :
99
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6781ec122c8240e189bbc2b2linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Manages services
Connection attempt
Creating a file
Kills processes
Opens a port
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/6781ec1010df0fde5dd43c09/reports/ef9bd160-6c37-44bc-982a-9a10c6c554e9/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/86be40dbc7ad18cca753fb5e4973fc8ccb2fe1c93f218f3ae14c7859f14fc39f
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/bf416b59-944c-4d67-a698-92b9d6319db1
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1588795
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 deletes itself
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1588795 Sample: 4.elf Startdate: 11/01/2025 Architecture: LINUX Score: 72 66 81.6.96.66 VODAFONETURKEYTR Turkey 2->66 68 171.255.249.12 VIETEL-AS-APViettelGroupVN Viet Nam 2->68 70 98 other IPs or domains 2->70 74 Multi AV Scanner detection for submitted file 2->74 76 Connects to many ports of the same IP (likely port scanning) 2->76 9 dash rm 4.elf 2->9         started        13 systemd bash 2->13         started        15 dash rm 2->15         started        17 7 other processes 2->17 signatures3 process4 file5 60 /tmp/crontab.tmp, ASCII 9->60 dropped 62 /etc/init.d/hello, Bourne-Again 9->62 dropped 86 Sample tries to kill multiple processes (SIGKILL) 9->86 88 Drops files in suspicious directories 9->88 19 4.elf sh 9->19         started        21 4.elf 9->21         started        23 4.elf sh 9->23         started        33 2 other processes 9->33 25 bash rm 13->25         started        28 bash wget 13->28         started        31 bash 4 13->31         started        35 2 other processes 13->35 signatures6 process7 file8 37 sh crontab 19->37         started        41 4.elf 21->41         started        43 sh systemctl 23->43         started        84 Sample deletes itself 25->84 64 /tmp/4, ELF 28->64 dropped 45 sh systemctl 33->45         started        47 sh 33->47         started        signatures9 process10 file11 58 /var/spool/cron/crontabs/tmp.duLOaV, ASCII 37->58 dropped 78 Sample tries to persist itself using cron 37->78 80 Executes the "crontab" command typically for achieving persistence 37->80 82 Sample tries to kill multiple processes (SIGKILL) 41->82 49 4.elf 41->49         started        52 4.elf 41->52         started        54 4.elf 41->54         started        56 4.elf 41->56         started        signatures12 process13 signatures14 72 Sample tries to kill multiple processes (SIGKILL) 49->72
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/86be40dbc7ad18cca753fb5e4973fc8ccb2fe1c93f218f3ae14c7859f14fc39f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/86be40dbc7ad18cca753fb5e4973fc8ccb2fe1c93f218f3ae14c7859f14fc39f/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-11 03:57:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q27ebw6hvummzj2t7npes474rtfs7yojh4qy6oxbjr4ft4kpyopq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution persistence privilege_escalatio privilege_escalation
Link:
https://tria.ge/reports/250111-ehxsrsvqck/
Behaviour
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 (66331) 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/fba07edc-9c72-4ca3-87a7-b9f26ba47f7f
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/86be40dbc7ad18cca753fb5e4973fc8ccb2fe1c93f218f3ae14c7859f14fc39f

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 86be40dbc7ad18cca753fb5e4973fc8ccb2fe1c93f218f3ae14c7859f14fc39f

(this sample)

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

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