MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47e1b67862e668c9398b010a3b0d49dfce4162795b5db6219318cef9ba5fcc60. 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: 13


Intelligence 13 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 47e1b67862e668c9398b010a3b0d49dfce4162795b5db6219318cef9ba5fcc60
SHA3-384 hash: 1b120049a75198c8347650f61ddd21cff680a0b51fdb694876eea97fbd8430013d32671d9410809ca53c95d3c0b3924f
SHA1 hash: f046ca76425a4d8c1d4a54d0c320ad5625cc4e71
MD5 hash: 42d2c4354949e4b5a9776641b8982c52
humanhash: fourteen-bluebird-angel-william
File name:x86_64.kokz
Download: download sample
Signature Mirai
Create hunting rule
File size:97'904 bytes
First seen:2026-01-10 03:50:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:t98CLqekZEuHb3K4kkCJkDjDT7qOQb/1uDwgkQS0pZNAs6e11T:t98NewEuDHkkcQfT7qH/1uDtTpZNDHT
TLSH T1CFA36D42BAC0D8FCC46AC378435EA2B6D861F41D1231366B5BC0FE167D8ED113B2E692
telfhash t16431c4342dea299421eb5738b307e1e1d4611e1119f1b6e59d37a8e3cf157940c970e3
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 :
53
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Deletes a file
Receives data from a server
Attempts to kill processes by name
Opens a port
Sends data to a server
Deleting a recently created file
Launching a process
Connection attempt
Sets a written file as executable
Creating a file
Changes access rights for a written file
Runs as daemon
Creating a process from a recently created file
Kills processes
Writes files to system directory
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
Creates or modifies files to set up autorun
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai
Link:
https://www.filescan.io/uploads/6961ccc330368802bb7ee1a3/reports/44eb9693-b5d6-4e58-82f1-33527e540d59/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-10T00:09:00Z UTC
Last seen:
2026-01-10T03:34:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/47e1b67862e668c9398b010a3b0d49dfce4162795b5db6219318cef9ba5fcc60/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ca793f22-495a-43c5-8091-cdf36219400a
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1847770
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
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 deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Terminates several processes with shell command 'killall'
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1847770 Sample: x86_64.kokz.elf Startdate: 10/01/2026 Architecture: LINUX Score: 100 113 Malicious sample detected (through community Yara rule) 2->113 115 Multi AV Scanner detection for submitted file 2->115 10 x86_64.kokz.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        process3 signatures4 127 Sample tries to kill multiple processes (SIGKILL) 10->127 129 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->129 17 x86_64.kokz.elf 10->17         started        process5 file6 89 /var/spool/cron/root, ASCII 17->89 dropped 91 /var/spool/cron/crontabs/root, ASCII 17->91 dropped 93 /root/.bashrc, ASCII 17->93 dropped 95 11 other files (10 malicious) 17->95 dropped 117 Sample tries to set files in /etc globally writable 17->117 119 Sample tries to persist itself using /etc/profile 17->119 121 Drops files in suspicious directories 17->121 123 4 other signatures 17->123 21 x86_64.kokz.elf sh 17->21         started        23 x86_64.kokz.elf sh 17->23         started        25 x86_64.kokz.elf sh 17->25         started        27 124 other processes 17->27 signatures7 process8 signatures9 30 sh .monitor 21->30         started        32 sh cp 23->32         started        36 sh crontab 25->36         started        38 sh 25->38         started        131 Sample tries to kill multiple processes (SIGKILL) 27->131 40 sh cp 27->40         started        42 sh cp 27->42         started        44 sh cp 27->44         started        46 122 other processes 27->46 process10 file11 48 .monitor 30->48         started        79 /usr/bin/.update, ELF 32->79 dropped 97 Writes identical ELF files to multiple locations 32->97 99 Drops invisible ELF files 32->99 101 Drops files in suspicious directories 32->101 81 /var/spool/cron/crontabs/tmp.uPCTwr, ASCII 36->81 dropped 103 Sample tries to persist itself using cron 36->103 105 Executes the "crontab" command typically for achieving persistence 36->105 50 sh crontab 38->50         started        83 /boot/.update, ELF 40->83 dropped 85 /var/jbx/shared/.update, ELF 42->85 dropped 87 /var/log/.update, ELF 44->87 dropped 107 Sample tries to kill multiple processes (SIGKILL) 46->107 109 Sample deletes itself 46->109 111 Terminates several processes with shell command 'killall' 46->111 53 S99backup0 46->53         started        55 S99backup1 46->55         started        57 S99backup2 46->57         started        59 5 other processes 46->59 signatures12 process13 signatures14 69 66 other processes 48->69 125 Executes the "crontab" command typically for achieving persistence 50->125 61 S99backup0 .update 53->61         started        71 11 other processes 53->71 63 S99backup1 .update 55->63         started        73 11 other processes 55->73 65 S99backup2 .update 57->65         started        75 11 other processes 57->75 67 S99network .update 59->67         started        77 11 other processes 59->77 process15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/47e1b67862e668c9398b010a3b0d49dfce4162795b5db6219318cef9ba5fcc60
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/47e1b67862e668c9398b010a3b0d49dfce4162795b5db6219318cef9ba5fcc60/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/47e1b67862e668c9398b010a3b0d49dfce4162795b5db6219318cef9ba5fcc60
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-10 03:51:36 UTC
File Type:
ELF64 Little (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i7q3m6dc4zumsomlaefdwdkj37hecytzlno3mimtddhptos7zrqa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260110-eespmsc19f/
Behaviour
Reads runtime system information
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Unexpected DNS network traffic destination
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7640640-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/06037545-b709-43ac-8c02-9c98ca655a58
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/47e1b67862e668c9398b010a3b0d49dfce4162795b5db6219318cef9ba5fcc60

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_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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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 c07c0eef2f2ac6cb187918e6ec8158262e7beab8a79e418fce6389a9f89b451f

Mirai

elf 47e1b67862e668c9398b010a3b0d49dfce4162795b5db6219318cef9ba5fcc60

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3749720/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3749718/
  
Dropped by
SHA256 c07c0eef2f2ac6cb187918e6ec8158262e7beab8a79e418fce6389a9f89b451f
  
Dropped by
MD5 ae9e457c077f9be7bf1367a6dfc3878a
  
URLhaus
https://urlhaus.abuse.ch/url/3754457/

Comments