MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ce3856890d8e6742373483cbe3f91f43d2ffe46d9cfb477ec2ba527cbfe757f3. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ce3856890d8e6742373483cbe3f91f43d2ffe46d9cfb477ec2ba527cbfe757f3
SHA3-384 hash: fd688b3c5358102e96a615b996c774fdab21b060a22aea207d214b7ada96b4bdb06fcb174309011a4a714cd119cbaddd
SHA1 hash: 454d23917519ec0c7c738e9bba4349af77405a75
MD5 hash: 735290e101ccd7d5f609c17225830ece
humanhash: mobile-august-wyoming-oxygen
File name:.ksysd
Download: download sample
Signature Mirai
Create hunting rule
File size:91'108 bytes
First seen:2025-08-18 08:43:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:5p8mFqAMf8jKelOQGO6UiEKy2GhuL3Ofv4h1yBbRS+tmoIw:5p8aqzf8bEQl68hhY3AvU04htw
TLSH T1D8937DC4F643D8F6E89305B16037EB725B33F1B52119EB43C7699932DC92901EA16BAC
telfhash t1d95103fa6dbe08e8f7d4ac00c31e5fe22925d27b295171b044a35ca133f7e4180b9835
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 :
34
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Sends data to a server
Receives data from a server
DNS request
Substitutes an application name
Deletes a system binary file
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2dbda0c7-171a-4836-b44d-e0c025648d02
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1759157
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1759157 Sample: .ksysd.elf Startdate: 18/08/2025 Architecture: LINUX Score: 96 18 phulocnhat2005.duckdns.org 2->18 20 phulocnhat2005.duckdns.org 45.153.34.54, 42597, 47538 SKYLINKNL Germany 2->20 22 Suricata IDS alerts for network traffic 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 30 4 other signatures 2->30 8 .ksysd.elf 2->8         started        10 gnome-session-binary sh gsd-rfkill 2->10         started        signatures3 28 Uses dynamic DNS services 18->28 process4 process5 12 .ksysd.elf 8->12         started        process6 14 .ksysd.elf 12->14         started        16 .ksysd.elf 12->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ce3856890d8e6742373483cbe3f91f43d2ffe46d9cfb477ec2ba527cbfe757f3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ce3856890d8e6742373483cbe3f91f43d2ffe46d9cfb477ec2ba527cbfe757f3/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/ce3856890d8e6742373483cbe3f91f43d2ffe46d9cfb477ec2ba527cbfe757f3
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-03 15:27:53 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zy4fncinrztuenzuqpf6h6i7ipjp7zdntt5uo7wcxjjhzp7hk7zq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux persistence rootkit
Link:
https://tria.ge/reports/250818-km8nqaej3s/
Behaviour
Write file to user bin folder
Loads a kernel module
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/e430324e-2cd4-4bd8-bd9a-a55153dcbca3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/ce3856890d8e6742373483cbe3f91f43d2ffe46d9cfb477ec2ba527cbfe757f3

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: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_Trojan_Gafgyt_28a2fe0c
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_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
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:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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

sh caf58623fa44a2e4388569c63bb627b67fb7996e3f0cc0b2a2ced4688c6d0379

Mirai

elf ce3856890d8e6742373483cbe3f91f43d2ffe46d9cfb477ec2ba527cbfe757f3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3605654/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 caf58623fa44a2e4388569c63bb627b67fb7996e3f0cc0b2a2ced4688c6d0379
  
Dropped by
MD5 b35064e73073c55ef01c01838821d82e
  
URLhaus
https://urlhaus.abuse.ch/url/3605106/
  
URLhaus
https://urlhaus.abuse.ch/url/3605663/
  
URLhaus
https://urlhaus.abuse.ch/url/3605664/
  
URLhaus
https://urlhaus.abuse.ch/url/3605666/
  
URLhaus
https://urlhaus.abuse.ch/url/3605698/

Comments