MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c18bb536ea07f0d8f7aca0137d9eb2f80f0300ea5b16cac4353da52bbe574af4. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c18bb536ea07f0d8f7aca0137d9eb2f80f0300ea5b16cac4353da52bbe574af4
SHA3-384 hash: 00dda723f6efb614e0a38469365d08a2db9b1cce5d995d5c13e4e90377a917fef361c2d186145e836e964f9f3a863010
SHA1 hash: adc016b7b28f0ab660ac29c94646d106c4352b0d
MD5 hash: 896472b8a5eb082018024e4ade6c8cdf
humanhash: aspen-failed-orange-speaker
File name:x86_32.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:221'836 bytes
First seen:2025-10-02 04:54:37 UTC
Last seen:2025-10-02 14:36:56 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:3TmZKOVyim3INCLLG85bfcoHrxRR1RAS:jm8O03INCjbbRR1RAS
TLSH T1AD247D83E643D5F0F86505B011AB9F325E72F9364025DA87CB95EA31EC62601B71EBBC
telfhash t1808164b22e766aedb7e09503c35b6b51dd2ae12b682439f502f136c632f2d127724c35
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 :
2
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Creating a file in the %temp% directory
Collects information on the CPU
Creating a file
Deletes a file
Unmounts file systems
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm
Link:
https://www.filescan.io/uploads/68de05cf74e5a289899d7f85/reports/561e49cd-62bf-4228-a06f-9e9d673152d9/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
15
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c18bb536ea07f0d8f7aca0137d9eb2f80f0300ea5b16cac4353da52bbe574af4
Behaviour
Persistence
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-02T02:33:00Z UTC
Last seen:
2025-10-02T05:25:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c18bb536ea07f0d8f7aca0137d9eb2f80f0300ea5b16cac4353da52bbe574af4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2b2d9384-449a-48f2-a685-b9bf921a3607
Behavior Graph:
Download SVG
%3 guuid=395e3fe1-1800-0000-0390-a9e1b40d0000 pid=3508 /usr/bin/sudo guuid=5c96ffe2-1800-0000-0390-a9e1bb0d0000 pid=3515 /tmp/sample.bin delete-file write-config write-file guuid=395e3fe1-1800-0000-0390-a9e1b40d0000 pid=3508->guuid=5c96ffe2-1800-0000-0390-a9e1bb0d0000 pid=3515 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1ebd1944-0cb6-4aa2-a440-2e4a8a0d8943
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1787836
Signature
Malicious sample detected (through community Yara rule)
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c18bb536ea07f0d8f7aca0137d9eb2f80f0300ea5b16cac4353da52bbe574af4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c18bb536ea07f0d8f7aca0137d9eb2f80f0300ea5b16cac4353da52bbe574af4/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-02 04:55:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygf3knxka7ynr55muajx3hvs7ahqgahklmlmvrbvhwssxpsxjl2a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/251002-fkhmashk5w/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Checks CPU configuration
Reads system network configuration
Modifies Bash startup script
Checks SCSI settings
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Reads list of loaded kernel modules
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7755770-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/223174e0-5579-4b3e-b983-592e721cad10
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c18bb536ea07f0d8f7aca0137d9eb2f80f0300ea5b16cac4353da52bbe574af4

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf c18bb536ea07f0d8f7aca0137d9eb2f80f0300ea5b16cac4353da52bbe574af4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618255/
  
Delivery method
Distributed via web download

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