MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca741dca89bf03eb56f33266ab2a7e4a3529d24a1e84c0d6bca274b735ab031b. 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: 8


Intelligence 8 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca741dca89bf03eb56f33266ab2a7e4a3529d24a1e84c0d6bca274b735ab031b
SHA3-384 hash: ad2bed8422601eedfe715659ebe3c33ee16ae834c521609556c34e801c920ccedf85225b217eb2216cbf74ed5bd935e5
SHA1 hash: b54246865756416404f2523955f19f4cba2fd1c9
MD5 hash: fff29277258a931878008d619cb23dcc
humanhash: quiet-fillet-arizona-hawaii
File name:bot_64
Download: download sample
Signature Mirai
Create hunting rule
File size:1'113'608 bytes
First seen:2026-06-14 20:48:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:svr0xNgnXt6B0xtUij5RwukrkrV1Nh5oY:sv4xNg9wUtP5RxCKV1GY
TLSH T154358D2AB2B3B67DD047C03047DBCAA14531F0756A323D7F26C4DA353EA6DA51369B22
telfhash t15901c433c3b8b5354797d67fe4985f6352ee80328d0da82bb69a8e7c030585d120796f
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-42.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the CPU
Creating a file in the %temp% directory
Collects information on the RAM
Changes access rights for a written file
Locks files
Creating a file
Changes access rights for a file
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
Collects information on the network activity
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6a2f13d7554e843ff86b64d6/reports/3b306472-309d-415b-ab62-d061816dba99/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6c07a94e-25d6-4e60-85c2-d1a168f0f170
Behavior Graph:
Download SVG
%3 guuid=b972688b-1700-0000-fee1-f889130e0000 pid=3603 /usr/bin/sudo guuid=dc001f8d-1700-0000-fee1-f889170e0000 pid=3607 /tmp/sample.bin delete-file net guuid=b972688b-1700-0000-fee1-f889130e0000 pid=3603->guuid=dc001f8d-1700-0000-fee1-f889170e0000 pid=3607 execve 38992aea-e04b-50fc-a28f-2696341d2038 94.156.152.234:8080 guuid=dc001f8d-1700-0000-fee1-f889170e0000 pid=3607->38992aea-e04b-50fc-a28f-2696341d2038 con guuid=00452f90-1700-0000-fee1-f889220e0000 pid=3618 /tmp/sample.bin zombie guuid=dc001f8d-1700-0000-fee1-f889170e0000 pid=3607->guuid=00452f90-1700-0000-fee1-f889220e0000 pid=3618 clone guuid=b0ef3890-1700-0000-fee1-f889230e0000 pid=3619 /tmp/sample.bin net send-data write-file zombie guuid=00452f90-1700-0000-fee1-f889220e0000 pid=3618->guuid=b0ef3890-1700-0000-fee1-f889230e0000 pid=3619 clone guuid=b0ef3890-1700-0000-fee1-f889230e0000 pid=3619->38992aea-e04b-50fc-a28f-2696341d2038 send: 764B guuid=c3a76490-1700-0000-fee1-f889260e0000 pid=3622 /tmp/sample.bin delete-file write-file guuid=b0ef3890-1700-0000-fee1-f889230e0000 pid=3619->guuid=c3a76490-1700-0000-fee1-f889260e0000 pid=3622 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/52dce74c-d3a8-48dc-865d-79bf6a3e9d3b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1927763
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1927763 Sample: bot_64.elf Startdate: 14/06/2026 Architecture: LINUX Score: 64 25 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->25 27 94.156.152.234, 36646, 36648, 36650 INTERNET-MAGNATEZA South Africa 2->27 29 4 other IPs or domains 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Multi AV Scanner detection for submitted file 2->33 9 bot_64.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 signatures5 37 Sample deletes itself 9->37 18 bot_64.elf 9->18         started        process6 process7 20 bot_64.elf 18->20         started        signatures8 35 Sample reads /proc/mounts (often used for finding a writable filesystem) 20->35 23 bot_64.elf 20->23         started        process9
Score:
95%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ca741dca89bf03eb56f33266ab2a7e4a3529d24a1e84c0d6bca274b735ab031b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca741dca89bf03eb56f33266ab2a7e4a3529d24a1e84c0d6bca274b735ab031b/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-06-14 20:49:36 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zj2b3sujx4b6wvxtgjtkwkt6ji2stuskd2cmbvv4uj2lonnlamnq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260614-zl8pnahv8l/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads CPU attributes
Deletes itself
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:malwareelf55503
Create hunting rule
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 ca741dca89bf03eb56f33266ab2a7e4a3529d24a1e84c0d6bca274b735ab031b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3862264/
  
Delivery method
Distributed via web download

Comments