MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca81f37f0704fd9774b5709703b2eb1ad3da7f24d3bf9d567b4e6ee8e1f27e29. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca81f37f0704fd9774b5709703b2eb1ad3da7f24d3bf9d567b4e6ee8e1f27e29
SHA3-384 hash: a612de4289721dbe43150fdb489b18ede3b39f8c92a3731609766ef89483e4bccc3993e5134bd1e88e457305c870a77d
SHA1 hash: c5444c26e6273abb02b4bdd65f44f642c3f16f6c
MD5 hash: 1abab8d6846bb9da7b35e935988ba70f
humanhash: pennsylvania-iowa-william-winter
File name:x-3.2-.dick
Download: download sample
Signature Mirai
Create hunting rule
File size:170'190 bytes
First seen:2026-06-15 11:30:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:8WAe8K4e7AVIhEYKFmV4gi0ZvNKNnY4872nL8ZZ39tU:8WYNYK4Wg3vNKNnY4872nL8ZZ39tU
TLSH T1D2F319C1AA12FEB3C5C39FB512A7D7100AF3E8251B1B8E46F7ADADF0495A4C8B10565C
telfhash t1a6814468953d04d9ef639d19a8696ba34553e52622e4bf29ff26ccc8080e46df214d0f
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 :
72
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981156-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file in the %temp% directory
Changes access rights for a written file
Sends data to a server
Changes access rights for a file
Connection attempt
Receives data from a server
Runs as daemon
Creating a process from a recently created file
Kills processes
Sets a written file as executable
Launching a process
Deleting a recently created file
Substitutes an application name
Writes files to system directory
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b456e380-2177-473e-b921-5ee9c798f490
Behavior Graph:
Download SVG
%3 guuid=45122f61-1c00-0000-c7d8-b05741070000 pid=1857 /usr/bin/sudo guuid=9f618263-1c00-0000-c7d8-b05747070000 pid=1863 /tmp/sample.bin guuid=45122f61-1c00-0000-c7d8-b05741070000 pid=1857->guuid=9f618263-1c00-0000-c7d8-b05747070000 pid=1863 execve guuid=4778d263-1c00-0000-c7d8-b05749070000 pid=1865 /tmp/sample.bin guuid=9f618263-1c00-0000-c7d8-b05747070000 pid=1863->guuid=4778d263-1c00-0000-c7d8-b05749070000 pid=1865 clone guuid=c2eed663-1c00-0000-c7d8-b0574a070000 pid=1866 /tmp/sample.bin guuid=9f618263-1c00-0000-c7d8-b05747070000 pid=1863->guuid=c2eed663-1c00-0000-c7d8-b0574a070000 pid=1866 clone guuid=6559e163-1c00-0000-c7d8-b0574b070000 pid=1867 /tmp/sample.bin delete-file write-config zombie guuid=c2eed663-1c00-0000-c7d8-b0574a070000 pid=1866->guuid=6559e163-1c00-0000-c7d8-b0574b070000 pid=1867 clone guuid=6ff76c67-1c00-0000-c7d8-b05756070000 pid=1878 /usr/bin/dash guuid=6559e163-1c00-0000-c7d8-b0574b070000 pid=1867->guuid=6ff76c67-1c00-0000-c7d8-b05756070000 pid=1878 execve guuid=14f60a68-1c00-0000-c7d8-b05759070000 pid=1881 /usr/bin/dash guuid=6559e163-1c00-0000-c7d8-b0574b070000 pid=1867->guuid=14f60a68-1c00-0000-c7d8-b05759070000 pid=1881 execve guuid=03fa1e69-1c00-0000-c7d8-b0575e070000 pid=1886 /tmp/sample.bin guuid=6559e163-1c00-0000-c7d8-b0574b070000 pid=1867->guuid=03fa1e69-1c00-0000-c7d8-b0575e070000 pid=1886 clone guuid=df7b2d69-1c00-0000-c7d8-b0575f070000 pid=1887 /tmp/sample.bin dns net send-data guuid=6559e163-1c00-0000-c7d8-b0574b070000 pid=1867->guuid=df7b2d69-1c00-0000-c7d8-b0575f070000 pid=1887 clone guuid=e2589f67-1c00-0000-c7d8-b05757070000 pid=1879 /usr/bin/cp guuid=6ff76c67-1c00-0000-c7d8-b05756070000 pid=1878->guuid=e2589f67-1c00-0000-c7d8-b05757070000 pid=1879 execve guuid=0ae93c68-1c00-0000-c7d8-b0575a070000 pid=1882 /usr/bin/cp guuid=14f60a68-1c00-0000-c7d8-b05759070000 pid=1881->guuid=0ae93c68-1c00-0000-c7d8-b0575a070000 pid=1882 execve 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=df7b2d69-1c00-0000-c7d8-b0575f070000 pid=1887->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 38B e26ff29f-7a4f-5cb3-9b38-aa9008736111 cxvcx.losersonly.xyz:9118 guuid=df7b2d69-1c00-0000-c7d8-b0575f070000 pid=1887->e26ff29f-7a4f-5cb3-9b38-aa9008736111 send: 21B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/90db155e-e0ab-4bf0-a7a7-40cd5dbec847
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ca81f37f0704fd9774b5709703b2eb1ad3da7f24d3bf9d567b4e6ee8e1f27e29
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca81f37f0704fd9774b5709703b2eb1ad3da7f24d3bf9d567b4e6ee8e1f27e29/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-15 11:32:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zka7g7yhat6zo5fvoclqhmxldlj5u7ze2o7z2vt3jzxorypspyuq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux persistence
Link:
https://tria.ge/reports/260615-nnhqgac16l/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Modifies init.d
Modifies rc script
Write file to user bin folder
Deletes itself
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ca81f37f0704fd9774b5709703b2eb1ad3da7f24d3bf9d567b4e6ee8e1f27e29

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: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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
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 ca81f37f0704fd9774b5709703b2eb1ad3da7f24d3bf9d567b4e6ee8e1f27e29

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3864928/
  
Delivery method
Distributed via web download

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