MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a52bea4dd41ce0bb8753ba04d630b846e891bfaac90fe637af6f9907c5593f8. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a52bea4dd41ce0bb8753ba04d630b846e891bfaac90fe637af6f9907c5593f8
SHA3-384 hash: 1aa57338b93dbdc3ec06237e72fcab05c44b5d30ae21829cfd0b65eb929db999981cdfb0143795112d1ceeb402b45c84
SHA1 hash: 42f6e554e9f2cf81df5a4569b1bf76c9da3abb71
MD5 hash: 8b5280cdf6f929a5e056884635bf636c
humanhash: asparagus-winter-oregon-oregon
File name:5
Download: download sample
Signature Mirai
Create hunting rule
File size:92'024 bytes
First seen:2025-01-10 00:51:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:iLn1XgdEQ7xq9oel7aIV4W1aiXnYkci3a+/MP7iIdy9E21vn7qY:FJIEIV4W1a7dy9E21v2
TLSH T11B930A86F9815A11C6D106B7BD2F019E3306ABA8E2DE7313DD241B64778BA5F0F2750B
telfhash t1f4c08020463501dc27e05054d3cc544e6738e657130534d26654275ed4f3341504cc87
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 :
154
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=67807040ffdcee13ec895584linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Manages services
Kills processes
Changes access rights for a written file
Connection attempt
Opens a port
Sends data to a server
Launching a process
Changes the time when the file was created, accessed, or modified
Creating a file in the %temp% directory
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
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/67806f320e6ff2c75702b60c/reports/0661307a-5f5c-4e26-8335-827eba468b16/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/1a52bea4dd41ce0bb8753ba04d630b846e891bfaac90fe637af6f9907c5593f8
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/987b18be-78aa-4bda-b5b5-967225f3da59
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1587262
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
Sample tries to persist itself using System V runlevels
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: 1587262 Sample: 5.elf Startdate: 10/01/2025 Architecture: LINUX Score: 84 52 41.2.21.177 VODACOM-ZA South Africa 2->52 54 41.2.68.162 VODACOM-ZA South Africa 2->54 56 98 other IPs or domains 2->56 58 Suricata IDS alerts for network traffic 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Connects to many ports of the same IP (likely port scanning) 2->62 64 Uses known network protocols on non-standard ports 2->64 11 5.elf 2->11         started        14 xfce4-panel wrapper-2.0 2->14         started        16 xfce4-panel wrapper-2.0 2->16         started        18 6 other processes 2->18 signatures3 process4 signatures5 74 Sample tries to kill multiple processes (SIGKILL) 11->74 20 5.elf 11->20         started        process6 process7 22 5.elf 20->22         started        file8 48 /tmp/crontab.tmp, ASCII 22->48 dropped 50 /etc/init.d/hello, Bourne-Again 22->50 dropped 72 Drops files in suspicious directories 22->72 26 5.elf sh 22->26         started        28 5.elf sh 22->28         started        30 5.elf sh 22->30         started        32 5 other processes 22->32 signatures9 process10 process11 34 sh crontab 26->34         started        38 sh update-rc.d 28->38         started        40 sh systemctl 30->40         started        42 sh systemctl 32->42         started        file12 46 /var/spool/cron/crontabs/tmp.2w0WYe, ASCII 34->46 dropped 66 Sample tries to persist itself using cron 34->66 68 Executes the "crontab" command typically for achieving persistence 34->68 70 Sample tries to persist itself using System V runlevels 38->70 44 update-rc.d systemctl 38->44         started        signatures13 process14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1a52bea4dd41ce0bb8753ba04d630b846e891bfaac90fe637af6f9907c5593f8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1a52bea4dd41ce0bb8753ba04d630b846e891bfaac90fe637af6f9907c5593f8/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-10 00:52:04 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=djjl5jg5ihhaxodvhoqe2yylqrxisg72vsip4y32634za7cvsp4a._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution persistence privilege_escalatio privilege_escalation
Link:
https://tria.ge/reports/250110-a72qssylbk/
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 init.d
Modifies rc script
Modifies systemd
Contacts a large (77171) 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/419e4f14-d02f-44ef-aff1-f4111404f1a0
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/1a52bea4dd41ce0bb8753ba04d630b846e891bfaac90fe637af6f9907c5593f8

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 1a52bea4dd41ce0bb8753ba04d630b846e891bfaac90fe637af6f9907c5593f8

(this sample)

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

Comments