MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2476449909542ff305679213d59901b911dab6ca8397b123c4b819f2e68ad4b5. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2476449909542ff305679213d59901b911dab6ca8397b123c4b819f2e68ad4b5
SHA3-384 hash: ee304d52ff4d01443d042ebe121a01c8372694e9e49d0d5e409a7abb140749373db15e9e973303aabc04efbd18c1eba7
SHA1 hash: 4f30fcb244aeb79d2df1a3997393f7e2e7ae80cc
MD5 hash: 521ac803959757d3d32c3b03f891d834
humanhash: autumn-blossom-delaware-nevada
File name:mipsel.kok
Download: download sample
Signature Mirai
Create hunting rule
File size:139'520 bytes
First seen:2026-01-05 13:51:58 UTC
Last seen:2026-01-09 02:57:44 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:pcQhyX59Yl8YIJJVD0nbHlBAzSaV1MkUHLmpai9z1mKnxVsMYyU9DX/OO39QvICE:eQ0X5Gl8lCESaHUsJ1mZm5bHJskpKy
TLSH T17FD3F609FF610FFBE86FCD3706A9074525CC565622B83B763534D928F24A24B0AE38B4
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 :
3
# of downloads :
87
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-10010127-0
Create hunting rule

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

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Sends data to a server
Launching a process
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Deletes a file
Opens a port
Receives data from a server
Creating a file
Runs as daemon
Connection attempt
Changes access rights for a written file
Creating a process from a recently created file
Kills processes
Writes files to system directory
Substitutes an application name
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
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin masquerade mirai
Link:
https://www.filescan.io/uploads/695bc20c148c21e830f07c67/reports/3393a939-ccf1-44f6-b62e-4fa89006929c/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-05T04:13:00Z UTC
Last seen:
2026-01-06T00:55:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gu
Link:
https://opentip.kaspersky.com/2476449909542ff305679213d59901b911dab6ca8397b123c4b819f2e68ad4b5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6fc759a6-657c-4f2b-a03a-0415851b2aa6
Behavior Graph:
Download SVG
%3 guuid=e1b73316-1700-0000-6df5-d1d36e0c0000 pid=3182 /usr/bin/sudo guuid=21d86a18-1700-0000-6df5-d1d3750c0000 pid=3189 /tmp/sample.bin guuid=e1b73316-1700-0000-6df5-d1d36e0c0000 pid=3182->guuid=21d86a18-1700-0000-6df5-d1d3750c0000 pid=3189 execve guuid=33c73c19-1700-0000-6df5-d1d3790c0000 pid=3193 /usr/bin/dash guuid=21d86a18-1700-0000-6df5-d1d3750c0000 pid=3189->guuid=33c73c19-1700-0000-6df5-d1d3790c0000 pid=3193 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e5c523a9-ded5-4047-82bc-244b2640e35c
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1844909
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
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 a massive number of system processes
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'
Uses known network protocols on non-standard ports
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844909 Sample: mipsel.kok.elf Startdate: 05/01/2026 Architecture: LINUX Score: 100 96 103.92.24.214, 15779 TLSOFT-AS-VN8Floor96-98DaoDuyAnhPhuNhuanHCMCVN Viet Nam 2->96 98 91.92.241.12, 48146, 6969 THEZONEBG Bulgaria 2->98 100 17 other IPs or domains 2->100 102 Multi AV Scanner detection for submitted file 2->102 104 Uses known network protocols on non-standard ports 2->104 11 mipsel.kok.elf 2->11         started        signatures3 process4 signatures5 126 Sample tries to kill multiple processes (SIGKILL) 11->126 128 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->128 14 mipsel.kok.elf 11->14         started        process6 file7 88 /var/spool/cron/root, ASCII 14->88 dropped 90 /var/spool/cron/crontabs/root, ASCII 14->90 dropped 92 /root/.bashrc, ASCII 14->92 dropped 94 11 other files (10 malicious) 14->94 dropped 130 Sample tries to set files in /etc globally writable 14->130 132 Sample tries to persist itself using /etc/profile 14->132 134 Drops files in suspicious directories 14->134 136 4 other signatures 14->136 18 mipsel.kok.elf sh 14->18         started        20 mipsel.kok.elf sh 14->20         started        22 mipsel.kok.elf sh 14->22         started        24 48 other processes 14->24 signatures8 process9 signatures10 27 sh S99backup0 18->27         started        29 sh S99backup1 20->29         started        31 sh S99backup2 22->31         started        122 Sample tries to kill a massive number of system processes 24->122 124 Sample tries to kill multiple processes (SIGKILL) 24->124 33 sh S99network 24->33         started        35 sh cp 24->35         started        39 sh crontab 24->39         started        41 47 other processes 24->41 process11 file12 43 S99backup0 27->43         started        45 S99backup1 29->45         started        47 S99backup2 31->47         started        49 S99network 33->49         started        78 /usr/bin/.update, ELF 35->78 dropped 108 Writes identical ELF files to multiple locations 35->108 110 Drops invisible ELF files 35->110 112 Drops files in suspicious directories 35->112 80 /var/spool/cron/crontabs/tmp.RN2cJR, ASCII 39->80 dropped 114 Sample tries to persist itself using cron 39->114 116 Executes the "crontab" command typically for achieving persistence 39->116 82 /var/log/.update, ELF 41->82 dropped 84 /var/jbx/shared/.update, ELF 41->84 dropped 86 /boot/.update, ELF 41->86 dropped 118 Sample deletes itself 41->118 120 Terminates several processes with shell command 'killall' 41->120 51 sh crontab 41->51         started        54 .monitor 41->54         started        56 sh .update 41->56         started        58 sh .update 41->58         started        signatures13 process14 signatures15 60 S99backup0 .update 43->60         started        68 171 other processes 43->68 62 S99backup1 .update 45->62         started        70 169 other processes 45->70 64 S99backup2 .update 47->64         started        72 165 other processes 47->72 66 S99network .update 49->66         started        74 159 other processes 49->74 106 Executes the "crontab" command typically for achieving persistence 51->106 76 2 other processes 54->76 process16
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2476449909542ff305679213d59901b911dab6ca8397b123c4b819f2e68ad4b5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2476449909542ff305679213d59901b911dab6ca8397b123c4b819f2e68ad4b5/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/2476449909542ff305679213d59901b911dab6ca8397b123c4b819f2e68ad4b5
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-05 09:04:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=er3ejgijkqx7gblhsij5lgibxei5vnwkqol3ci6exam7fzuk2s2q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/260105-q6sz9s1pan/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Deletes log files
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ca8af103-41c2-4f99-bdc4-2cf3653a69dd
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/2476449909542ff305679213d59901b911dab6ca8397b123c4b819f2e68ad4b5

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: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: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 2476449909542ff305679213d59901b911dab6ca8397b123c4b819f2e68ad4b5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3749759/
  
Delivery method
Distributed via web download

Comments